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Part # Country Qty Buy Distributor

Search Pb(Lead)-Free/RoHS-Green Search

Base Part Number (1)
SC189A 
Lead Free Part Number (1A), (13)
SC189ASKTRT 
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR 
# of leads
Package Type
SOT-23 
Pb-Free (2)
YES 
Reflow Temp °C (3)
260 
Lead or Ball Finish
MATTE Sn 
MSL Rating
End of Life Reference (6)
Last Time to Buy (6)
REACH SVH C(223) EC1907/2006 (18)
JIG 101 A & B (12)
YES 
RoHS / RoHS 2 2011/65/EC (4) (5)
RoHS 2/3 Amend 2015/863 (7)
WEEE 2012/19/EU (19)
YES 
China RoHS 2 GB/T 26572-2011
Halogen Free / Low IEC 61249-2-21/JS709C (20)
Proposition 65 (21)
Packaging Material 94/62/EC (17)
RoHS Compliant by Exception (8)
NO 
1 Exp. 9/20/2015
2(a) Exp. 12/31/2012
2(b)(3) Exp. 12/31/2011
3 Exp. 12/31/2011
4 Exp. 12/31/2011
5 Exp. TBD
6(a)* Exp. TBD
6(b)* Exp. TBD
6(c)* Exp. TBD
7(a)* Exp. TBD
7(b)* Exp. TBD
7(c)-III Exp. 1/1/2013
8(b) Exp. TBD
9 Exp. TBD
11(a) Exp. 9/24/2010
12 Exp. 9/24/2010
13(a)* Exp. TBD
13(b) Exp. TBD
14 Exp. 1/1/2011
15* Exp. TBD
Green Reportable Substance (9) Antimony (Sb)/ Berylliuum (Be)
Phosphorus (P) & (Red P)
Compliant (ND4) or below threshold PPM (7)
ND4 
Device Mass (mg)
REFER TO IPC 1752-2 
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
YES 
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
YES 
60°C/90%RH 4000 Hrs, Whisker Test
YES 
Automotive
AEC Q100 Qualified (14)
N/A 
Grade (11)
N/A 
AEC Q101 (22)
N/A 
PPAP Ready (15)
N/A 
IMDS Posted (16)
N/A 
Declarations and Reports
IPC-1752-2
Base Part Number (1)
SC189A 
Lead Free Part Number (1A), (13)
SC189AULTRT 
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR 
# of leads
Package Type
MLPD-UT 
Pb-Free (2)
YES 
Reflow Temp °C (3)
260 
Lead or Ball Finish
MATTE Sn 
MSL Rating
End of Life Reference (6)
Last Time to Buy (6)
REACH SVH C(223) EC1907/2006 (18)
JIG 101 A & B (12)
YES 
RoHS / RoHS 2 2011/65/EC (4) (5)
RoHS 2/3 Amend 2015/863 (7)
WEEE 2012/19/EU (19)
YES 
China RoHS 2 GB/T 26572-2011
Halogen Free / Low IEC 61249-2-21/JS709C (20)
Proposition 65 (21)
Packaging Material 94/62/EC (17)
RoHS Compliant by Exception (8)
NO 
1 Exp. 9/20/2015
2(a) Exp. 12/31/2012
2(b)(3) Exp. 12/31/2011
3 Exp. 12/31/2011
4 Exp. 12/31/2011
5 Exp. TBD
6(a)* Exp. TBD
6(b)* Exp. TBD
6(c)* Exp. TBD
7(a)* Exp. TBD
7(b)* Exp. TBD
7(c)-III Exp. 1/1/2013
8(b) Exp. TBD
9 Exp. TBD
11(a) Exp. 9/24/2010
12 Exp. 9/24/2010
13(a)* Exp. TBD
13(b) Exp. TBD
14 Exp. 1/1/2011
15* Exp. TBD
Green Reportable Substance (9) Antimony (Sb)/ Berylliuum (Be)
Phosphorus (P) & (Red P)
Compliant (ND4) or below threshold PPM (7)
ND4 
Device Mass (mg)
REFER TO IPC 1752-2 
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
YES 
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
YES 
60°C/90%RH 4000 Hrs, Whisker Test
YES 
Automotive
AEC Q100 Qualified (14)
N/A 
Grade (11)
N/A 
AEC Q101 (22)
N/A 
PPAP Ready (15)
N/A 
IMDS Posted (16)
N/A 
Declarations and Reports
IPC-1752-2
Base Part Number (1)
SC189B 
Lead Free Part Number (1A), (13)
SC189BSKTRT 
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR 
# of leads
Package Type
SOT-23 
Pb-Free (2)
YES 
Reflow Temp °C (3)
260 
Lead or Ball Finish
MATTE Sn 
MSL Rating
End of Life Reference (6)
Last Time to Buy (6)
REACH SVH C(223) EC1907/2006 (18)
JIG 101 A & B (12)
YES 
RoHS / RoHS 2 2011/65/EC (4) (5)
RoHS 2/3 Amend 2015/863 (7)
WEEE 2012/19/EU (19)
YES 
China RoHS 2 GB/T 26572-2011
Halogen Free / Low IEC 61249-2-21/JS709C (20)
Proposition 65 (21)
Packaging Material 94/62/EC (17)
RoHS Compliant by Exception (8)
NO 
1 Exp. 9/20/2015
2(a) Exp. 12/31/2012
2(b)(3) Exp. 12/31/2011
3 Exp. 12/31/2011
4 Exp. 12/31/2011
5 Exp. TBD
6(a)* Exp. TBD
6(b)* Exp. TBD
6(c)* Exp. TBD
7(a)* Exp. TBD
7(b)* Exp. TBD
7(c)-III Exp. 1/1/2013
8(b) Exp. TBD
9 Exp. TBD
11(a) Exp. 9/24/2010
12 Exp. 9/24/2010
13(a)* Exp. TBD
13(b) Exp. TBD
14 Exp. 1/1/2011
15* Exp. TBD
Green Reportable Substance (9) Antimony (Sb)/ Berylliuum (Be)
Phosphorus (P) & (Red P)
Compliant (ND4) or below threshold PPM (7)
ND4 
Device Mass (mg)
REFER TO IPC 1752-2 
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
YES 
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
YES 
60°C/90%RH 4000 Hrs, Whisker Test
YES 
Automotive
AEC Q100 Qualified (14)
N/A 
Grade (11)
N/A 
AEC Q101 (22)
N/A 
PPAP Ready (15)
N/A 
IMDS Posted (16)
N/A 
Declarations and Reports
IPC-1752-2
Please consult with your Semtech Sales Rep 
Base Part Number (1)
SC189B 
Lead Free Part Number (1A), (13)
SC189BULTRT 
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR 
# of leads
Package Type
MLPD-UT 
Pb-Free (2)
YES 
Reflow Temp °C (3)
260 
Lead or Ball Finish
MATTE Sn 
MSL Rating
End of Life Reference (6)
Last Time to Buy (6)
REACH SVH C(223) EC1907/2006 (18)
JIG 101 A & B (12)
YES 
RoHS / RoHS 2 2011/65/EC (4) (5)
RoHS 2/3 Amend 2015/863 (7)
WEEE 2012/19/EU (19)
YES 
China RoHS 2 GB/T 26572-2011
Halogen Free / Low IEC 61249-2-21/JS709C (20)
Proposition 65 (21)
Packaging Material 94/62/EC (17)
RoHS Compliant by Exception (8)
NO 
1 Exp. 9/20/2015
2(a) Exp. 12/31/2012
2(b)(3) Exp. 12/31/2011
3 Exp. 12/31/2011
4 Exp. 12/31/2011
5 Exp. TBD
6(a)* Exp. TBD
6(b)* Exp. TBD
6(c)* Exp. TBD
7(a)* Exp. TBD
7(b)* Exp. TBD
7(c)-III Exp. 1/1/2013
8(b) Exp. TBD
9 Exp. TBD
11(a) Exp. 9/24/2010
12 Exp. 9/24/2010
13(a)* Exp. TBD
13(b) Exp. TBD
14 Exp. 1/1/2011
15* Exp. TBD
Green Reportable Substance (9) Antimony (Sb)/ Berylliuum (Be)
Phosphorus (P) & (Red P)
Compliant (ND4) or below threshold PPM (7)
ND4 
Device Mass (mg)
REFER TO IPC 1752-2 
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
YES 
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
YES 
60°C/90%RH 4000 Hrs, Whisker Test
YES 
Automotive
AEC Q100 Qualified (14)
N/A 
Grade (11)
N/A 
AEC Q101 (22)
N/A 
PPAP Ready (15)
N/A 
IMDS Posted (16)
N/A 
Declarations and Reports
IPC-1752-2
Please consult with your Semtech Sales Rep 
Base Part Number (1)
SC189C 
Lead Free Part Number (1A), (13)
SC189CSKTRT 
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR 
# of leads
Package Type
SOT-23 
Pb-Free (2)
YES 
Reflow Temp °C (3)
260 
Lead or Ball Finish
MATTE Sn 
MSL Rating
End of Life Reference (6)
Last Time to Buy (6)
REACH SVH C(223) EC1907/2006 (18)
JIG 101 A & B (12)
YES 
RoHS / RoHS 2 2011/65/EC (4) (5)
RoHS 2/3 Amend 2015/863 (7)
WEEE 2012/19/EU (19)
YES 
China RoHS 2 GB/T 26572-2011
Halogen Free / Low IEC 61249-2-21/JS709C (20)
Proposition 65 (21)
Packaging Material 94/62/EC (17)
RoHS Compliant by Exception (8)
NO 
1 Exp. 9/20/2015
2(a) Exp. 12/31/2012
2(b)(3) Exp. 12/31/2011
3 Exp. 12/31/2011
4 Exp. 12/31/2011
5 Exp. TBD
6(a)* Exp. TBD
6(b)* Exp. TBD
6(c)* Exp. TBD
7(a)* Exp. TBD
7(b)* Exp. TBD
7(c)-III Exp. 1/1/2013
8(b) Exp. TBD
9 Exp. TBD
11(a) Exp. 9/24/2010
12 Exp. 9/24/2010
13(a)* Exp. TBD
13(b) Exp. TBD
14 Exp. 1/1/2011
15* Exp. TBD
Green Reportable Substance (9) Antimony (Sb)/ Berylliuum (Be)
Phosphorus (P) & (Red P)
Compliant (ND4) or below threshold PPM (7)
ND4 
Device Mass (mg)
REFER TO IPC 1752-2 
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
YES 
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
YES 
60°C/90%RH 4000 Hrs, Whisker Test
YES 
Automotive
AEC Q100 Qualified (14)
N/A 
Grade (11)
N/A 
AEC Q101 (22)
N/A 
PPAP Ready (15)
N/A 
IMDS Posted (16)
N/A 
Declarations and Reports
IPC-1752-2
Base Part Number (1)
SC189C 
Lead Free Part Number (1A), (13)
SC189CULTRT 
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR 
# of leads
Package Type
MLPD-UT 
Pb-Free (2)
YES 
Reflow Temp °C (3)
260 
Lead or Ball Finish
MATTE Sn 
MSL Rating
End of Life Reference (6)
Last Time to Buy (6)
REACH SVH C(223) EC1907/2006 (18)
JIG 101 A & B (12)
YES 
RoHS / RoHS 2 2011/65/EC (4) (5)
RoHS 2/3 Amend 2015/863 (7)
WEEE 2012/19/EU (19)
YES 
China RoHS 2 GB/T 26572-2011
Halogen Free / Low IEC 61249-2-21/JS709C (20)
Proposition 65 (21)
Packaging Material 94/62/EC (17)
RoHS Compliant by Exception (8)
NO 
1 Exp. 9/20/2015
2(a) Exp. 12/31/2012
2(b)(3) Exp. 12/31/2011
3 Exp. 12/31/2011
4 Exp. 12/31/2011
5 Exp. TBD
6(a)* Exp. TBD
6(b)* Exp. TBD
6(c)* Exp. TBD
7(a)* Exp. TBD
7(b)* Exp. TBD
7(c)-III Exp. 1/1/2013
8(b) Exp. TBD
9 Exp. TBD
11(a) Exp. 9/24/2010
12 Exp. 9/24/2010
13(a)* Exp. TBD
13(b) Exp. TBD
14 Exp. 1/1/2011
15* Exp. TBD
Green Reportable Substance (9) Antimony (Sb)/ Berylliuum (Be)
Phosphorus (P) & (Red P)
Compliant (ND4) or below threshold PPM (7)
ND4 
Device Mass (mg)
REFER TO IPC 1752-2 
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
YES 
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
YES 
60°C/90%RH 4000 Hrs, Whisker Test
YES 
Automotive
AEC Q100 Qualified (14)
N/A 
Grade (11)
N/A 
AEC Q101 (22)
N/A 
PPAP Ready (15)
N/A 
IMDS Posted (16)
N/A 
Declarations and Reports
IPC-1752-2
Base Part Number (1)
SC189E 
Lead Free Part Number (1A), (13)
SC189EULTRT 
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR 
# of leads
Package Type
MLPD-UT 
Pb-Free (2)
YES 
Reflow Temp °C (3)
260 
Lead or Ball Finish
MATTE Sn 
MSL Rating
End of Life Reference (6)
Last Time to Buy (6)
REACH SVH C(223) EC1907/2006 (18)
JIG 101 A & B (12)
YES 
RoHS / RoHS 2 2011/65/EC (4) (5)
RoHS 2/3 Amend 2015/863 (7)
WEEE 2012/19/EU (19)
YES 
China RoHS 2 GB/T 26572-2011
Halogen Free / Low IEC 61249-2-21/JS709C (20)
Proposition 65 (21)
Packaging Material 94/62/EC (17)
RoHS Compliant by Exception (8)
NO 
1 Exp. 9/20/2015
2(a) Exp. 12/31/2012
2(b)(3) Exp. 12/31/2011
3 Exp. 12/31/2011
4 Exp. 12/31/2011
5 Exp. TBD
6(a)* Exp. TBD
6(b)* Exp. TBD
6(c)* Exp. TBD
7(a)* Exp. TBD
7(b)* Exp. TBD
7(c)-III Exp. 1/1/2013
8(b) Exp. TBD
9 Exp. TBD
11(a) Exp. 9/24/2010
12 Exp. 9/24/2010
13(a)* Exp. TBD
13(b) Exp. TBD
14 Exp. 1/1/2011
15* Exp. TBD
Green Reportable Substance (9) Antimony (Sb)/ Berylliuum (Be)
Phosphorus (P) & (Red P)
Compliant (ND4) or below threshold PPM (7)
ND4 
Device Mass (mg)
REFER TO IPC 1752-2 
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
YES 
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
YES 
60°C/90%RH 4000 Hrs, Whisker Test
YES 
Automotive
AEC Q100 Qualified (14)
N/A 
Grade (11)
N/A 
AEC Q101 (22)
N/A 
PPAP Ready (15)
N/A 
IMDS Posted (16)
N/A 
Declarations and Reports
IPC-1752-2
Please consult with your Semtech Sales Rep 
Base Part Number (1)
SC189F 
Lead Free Part Number (1A), (13)
SC189FULTRT 
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR 
# of leads
Package Type
MLPD-UT 
Pb-Free (2)
YES 
Reflow Temp °C (3)
260 
Lead or Ball Finish
MATTE Sn 
MSL Rating
End of Life Reference (6)
Last Time to Buy (6)
REACH SVH C(223) EC1907/2006 (18)
JIG 101 A & B (12)
YES 
RoHS / RoHS 2 2011/65/EC (4) (5)
RoHS 2/3 Amend 2015/863 (7)
WEEE 2012/19/EU (19)
YES 
China RoHS 2 GB/T 26572-2011
Halogen Free / Low IEC 61249-2-21/JS709C (20)
Proposition 65 (21)
Packaging Material 94/62/EC (17)
RoHS Compliant by Exception (8)
NO 
1 Exp. 9/20/2015
2(a) Exp. 12/31/2012
2(b)(3) Exp. 12/31/2011
3 Exp. 12/31/2011
4 Exp. 12/31/2011
5 Exp. TBD
6(a)* Exp. TBD
6(b)* Exp. TBD
6(c)* Exp. TBD
7(a)* Exp. TBD
7(b)* Exp. TBD
7(c)-III Exp. 1/1/2013
8(b) Exp. TBD
9 Exp. TBD
11(a) Exp. 9/24/2010
12 Exp. 9/24/2010
13(a)* Exp. TBD
13(b) Exp. TBD
14 Exp. 1/1/2011
15* Exp. TBD
Green Reportable Substance (9) Antimony (Sb)/ Berylliuum (Be)
Phosphorus (P) & (Red P)
Compliant (ND4) or below threshold PPM (7)
ND4 
Device Mass (mg)
REFER TO IPC 1752-2 
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
YES 
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
YES 
60°C/90%RH 4000 Hrs, Whisker Test
YES 
Automotive
AEC Q100 Qualified (14)
N/A 
Grade (11)
N/A 
AEC Q101 (22)
N/A 
PPAP Ready (15)
N/A 
IMDS Posted (16)
N/A 
Declarations and Reports
IPC-1752-2
Please consult with your Semtech Sales Rep 
Base Part Number (1)
SC189H 
Lead Free Part Number (1A), (13)
SC189HSKTRT 
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR 
# of leads
Package Type
SOT-23 
Pb-Free (2)
YES 
Reflow Temp °C (3)
260 
Lead or Ball Finish
MATTE Sn 
MSL Rating
End of Life Reference (6)
Last Time to Buy (6)
REACH SVH C(223) EC1907/2006 (18)
JIG 101 A & B (12)
YES 
RoHS / RoHS 2 2011/65/EC (4) (5)
RoHS 2/3 Amend 2015/863 (7)
WEEE 2012/19/EU (19)
YES 
China RoHS 2 GB/T 26572-2011
Halogen Free / Low IEC 61249-2-21/JS709C (20)
Proposition 65 (21)
Packaging Material 94/62/EC (17)
RoHS Compliant by Exception (8)
NO 
1 Exp. 9/20/2015
2(a) Exp. 12/31/2012
2(b)(3) Exp. 12/31/2011
3 Exp. 12/31/2011
4 Exp. 12/31/2011
5 Exp. TBD
6(a)* Exp. TBD
6(b)* Exp. TBD
6(c)* Exp. TBD
7(a)* Exp. TBD
7(b)* Exp. TBD
7(c)-III Exp. 1/1/2013
8(b) Exp. TBD
9 Exp. TBD
11(a) Exp. 9/24/2010
12 Exp. 9/24/2010
13(a)* Exp. TBD
13(b) Exp. TBD
14 Exp. 1/1/2011
15* Exp. TBD
Green Reportable Substance (9) Antimony (Sb)/ Berylliuum (Be)
Phosphorus (P) & (Red P)
Compliant (ND4) or below threshold PPM (7)
ND4 
Device Mass (mg)
REFER TO IPC 1752-2 
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
YES 
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
YES 
60°C/90%RH 4000 Hrs, Whisker Test
YES 
Automotive
AEC Q100 Qualified (14)
N/A 
Grade (11)
N/A 
AEC Q101 (22)
N/A 
PPAP Ready (15)
N/A 
IMDS Posted (16)
N/A 
Declarations and Reports
IPC-1752-2
Please consult with your Semtech Sales Rep 
Base Part Number (1)
SC189H 
Lead Free Part Number (1A), (13)
SC189HULTRT 
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR 
# of leads
Package Type
MLPD-UT 
Pb-Free (2)
YES 
Reflow Temp °C (3)
260 
Lead or Ball Finish
MATTE Sn 
MSL Rating
End of Life Reference (6)
Last Time to Buy (6)
REACH SVH C(223) EC1907/2006 (18)
JIG 101 A & B (12)
YES 
RoHS / RoHS 2 2011/65/EC (4) (5)
RoHS 2/3 Amend 2015/863 (7)
WEEE 2012/19/EU (19)
YES 
China RoHS 2 GB/T 26572-2011
Halogen Free / Low IEC 61249-2-21/JS709C (20)
Proposition 65 (21)
Packaging Material 94/62/EC (17)
RoHS Compliant by Exception (8)
NO 
1 Exp. 9/20/2015
2(a) Exp. 12/31/2012
2(b)(3) Exp. 12/31/2011
3 Exp. 12/31/2011
4 Exp. 12/31/2011
5 Exp. TBD
6(a)* Exp. TBD
6(b)* Exp. TBD
6(c)* Exp. TBD
7(a)* Exp. TBD
7(b)* Exp. TBD
7(c)-III Exp. 1/1/2013
8(b) Exp. TBD
9 Exp. TBD
11(a) Exp. 9/24/2010
12 Exp. 9/24/2010
13(a)* Exp. TBD
13(b) Exp. TBD
14 Exp. 1/1/2011
15* Exp. TBD
Green Reportable Substance (9) Antimony (Sb)/ Berylliuum (Be)
Phosphorus (P) & (Red P)
Compliant (ND4) or below threshold PPM (7)
ND4 
Device Mass (mg)
REFER TO IPC 1752-2 
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
YES 
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
YES 
60°C/90%RH 4000 Hrs, Whisker Test
YES 
Automotive
AEC Q100 Qualified (14)
N/A 
Grade (11)
N/A 
AEC Q101 (22)
N/A 
PPAP Ready (15)
N/A 
IMDS Posted (16)
N/A 
Declarations and Reports
IPC-1752-2
Base Part Number (1)
SC189L 
Lead Free Part Number (1A), (13)
SC189LSKTRT 
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR 
# of leads
Package Type
SOT-23 
Pb-Free (2)
YES 
Reflow Temp °C (3)
260 
Lead or Ball Finish
MATTE Sn 
MSL Rating
End of Life Reference (6)
Last Time to Buy (6)
REACH SVH C(223) EC1907/2006 (18)
JIG 101 A & B (12)
YES 
RoHS / RoHS 2 2011/65/EC (4) (5)
RoHS 2/3 Amend 2015/863 (7)
WEEE 2012/19/EU (19)
YES 
China RoHS 2 GB/T 26572-2011
Halogen Free / Low IEC 61249-2-21/JS709C (20)
Proposition 65 (21)
Packaging Material 94/62/EC (17)
RoHS Compliant by Exception (8)
NO 
1 Exp. 9/20/2015
2(a) Exp. 12/31/2012
2(b)(3) Exp. 12/31/2011
3 Exp. 12/31/2011
4 Exp. 12/31/2011
5 Exp. TBD
6(a)* Exp. TBD
6(b)* Exp. TBD
6(c)* Exp. TBD
7(a)* Exp. TBD
7(b)* Exp. TBD
7(c)-III Exp. 1/1/2013
8(b) Exp. TBD
9 Exp. TBD
11(a) Exp. 9/24/2010
12 Exp. 9/24/2010
13(a)* Exp. TBD
13(b) Exp. TBD
14 Exp. 1/1/2011
15* Exp. TBD
Green Reportable Substance (9) Antimony (Sb)/ Berylliuum (Be)
Phosphorus (P) & (Red P)
Compliant (ND4) or below threshold PPM (7)
ND4 
Device Mass (mg)
REFER TO IPC 1752-2 
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
YES 
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
YES 
60°C/90%RH 4000 Hrs, Whisker Test
YES 
Automotive
AEC Q100 Qualified (14)
N/A 
Grade (11)
N/A 
AEC Q101 (22)
N/A 
PPAP Ready (15)
N/A 
IMDS Posted (16)
N/A 
Declarations and Reports
IPC-1752-2
Base Part Number (1)
SC189L 
Lead Free Part Number (1A), (13)
SC189LULTRT 
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR 
# of leads
Package Type
MLPD-UT 
Pb-Free (2)
YES 
Reflow Temp °C (3)
260 
Lead or Ball Finish
MATTE Sn 
MSL Rating
End of Life Reference (6)
Last Time to Buy (6)
REACH SVH C(223) EC1907/2006 (18)
JIG 101 A & B (12)
YES 
RoHS / RoHS 2 2011/65/EC (4) (5)
RoHS 2/3 Amend 2015/863 (7)
WEEE 2012/19/EU (19)
YES 
China RoHS 2 GB/T 26572-2011
Halogen Free / Low IEC 61249-2-21/JS709C (20)
Proposition 65 (21)
Packaging Material 94/62/EC (17)
RoHS Compliant by Exception (8)
NO 
1 Exp. 9/20/2015
2(a) Exp. 12/31/2012
2(b)(3) Exp. 12/31/2011
3 Exp. 12/31/2011
4 Exp. 12/31/2011
5 Exp. TBD
6(a)* Exp. TBD
6(b)* Exp. TBD
6(c)* Exp. TBD
7(a)* Exp. TBD
7(b)* Exp. TBD
7(c)-III Exp. 1/1/2013
8(b) Exp. TBD
9 Exp. TBD
11(a) Exp. 9/24/2010
12 Exp. 9/24/2010
13(a)* Exp. TBD
13(b) Exp. TBD
14 Exp. 1/1/2011
15* Exp. TBD
Green Reportable Substance (9) Antimony (Sb)/ Berylliuum (Be)
Phosphorus (P) & (Red P)
Compliant (ND4) or below threshold PPM (7)
ND4 
Device Mass (mg)
REFER TO IPC 1752-2 
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
YES 
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
YES 
60°C/90%RH 4000 Hrs, Whisker Test
YES 
Automotive
AEC Q100 Qualified (14)
N/A 
Grade (11)
N/A 
AEC Q101 (22)
N/A 
PPAP Ready (15)
N/A 
IMDS Posted (16)
N/A 
Declarations and Reports
IPC-1752-2
Base Part Number (1)
SC189N 
Lead Free Part Number (1A), (13)
SC189NULTRT 
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR 
# of leads
Package Type
MLPD-UT 
Pb-Free (2)
YES 
Reflow Temp °C (3)
260 
Lead or Ball Finish
MATTE Sn 
MSL Rating
End of Life Reference (6)
Last Time to Buy (6)
REACH SVH C(223) EC1907/2006 (18)
JIG 101 A & B (12)
YES 
RoHS / RoHS 2 2011/65/EC (4) (5)
RoHS 2/3 Amend 2015/863 (7)
WEEE 2012/19/EU (19)
YES 
China RoHS 2 GB/T 26572-2011
Halogen Free / Low IEC 61249-2-21/JS709C (20)
Proposition 65 (21)
Packaging Material 94/62/EC (17)
RoHS Compliant by Exception (8)
NO 
1 Exp. 9/20/2015
2(a) Exp. 12/31/2012
2(b)(3) Exp. 12/31/2011
3 Exp. 12/31/2011
4 Exp. 12/31/2011
5 Exp. TBD
6(a)* Exp. TBD
6(b)* Exp. TBD
6(c)* Exp. TBD
7(a)* Exp. TBD
7(b)* Exp. TBD
7(c)-III Exp. 1/1/2013
8(b) Exp. TBD
9 Exp. TBD
11(a) Exp. 9/24/2010
12 Exp. 9/24/2010
13(a)* Exp. TBD
13(b) Exp. TBD
14 Exp. 1/1/2011
15* Exp. TBD
Green Reportable Substance (9) Antimony (Sb)/ Berylliuum (Be)
Phosphorus (P) & (Red P)
Compliant (ND4) or below threshold PPM (7)
ND4 
Device Mass (mg)
REFER TO IPC 1752-2 
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
YES 
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
YES 
60°C/90%RH 4000 Hrs, Whisker Test
YES 
Automotive
AEC Q100 Qualified (14)
N/A 
Grade (11)
N/A 
AEC Q101 (22)
N/A 
PPAP Ready (15)
N/A 
IMDS Posted (16)
N/A 
Declarations and Reports
IPC-1752-2
Please consult with your Semtech Sales Rep 
Base Part Number (1)
SC189T 
Lead Free Part Number (1A), (13)
SC189TULTRT 
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR 
# of leads
Package Type
MLPD-UT 
Pb-Free (2)
YES 
Reflow Temp °C (3)
260 
Lead or Ball Finish
MATTE Sn 
MSL Rating
End of Life Reference (6)
Last Time to Buy (6)
REACH SVH C(223) EC1907/2006 (18)
JIG 101 A & B (12)
YES 
RoHS / RoHS 2 2011/65/EC (4) (5)
RoHS 2/3 Amend 2015/863 (7)
WEEE 2012/19/EU (19)
YES 
China RoHS 2 GB/T 26572-2011
Halogen Free / Low IEC 61249-2-21/JS709C (20)
Proposition 65 (21)
Packaging Material 94/62/EC (17)
RoHS Compliant by Exception (8)
NO 
1 Exp. 9/20/2015
2(a) Exp. 12/31/2012
2(b)(3) Exp. 12/31/2011
3 Exp. 12/31/2011
4 Exp. 12/31/2011
5 Exp. TBD
6(a)* Exp. TBD
6(b)* Exp. TBD
6(c)* Exp. TBD
7(a)* Exp. TBD
7(b)* Exp. TBD
7(c)-III Exp. 1/1/2013
8(b) Exp. TBD
9 Exp. TBD
11(a) Exp. 9/24/2010
12 Exp. 9/24/2010
13(a)* Exp. TBD
13(b) Exp. TBD
14 Exp. 1/1/2011
15* Exp. TBD
Green Reportable Substance (9) Antimony (Sb)/ Berylliuum (Be)
Phosphorus (P) & (Red P)
Compliant (ND4) or below threshold PPM (7)
ND4 
Device Mass (mg)
REFER TO IPC 1752-2 
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
YES 
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
YES 
60°C/90%RH 4000 Hrs, Whisker Test
YES 
Automotive
AEC Q100 Qualified (14)
N/A 
Grade (11)
N/A 
AEC Q101 (22)
N/A 
PPAP Ready (15)
N/A 
IMDS Posted (16)
N/A 
Declarations and Reports
IPC-1752-2
Please consult with your Semtech Sales Rep 
Base Part Number (1)
SC189V 
Lead Free Part Number (1A), (13)
SC189VSKTRT 
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR 
# of leads
Package Type
SOT-23 
Pb-Free (2)
YES 
Reflow Temp °C (3)
260 
Lead or Ball Finish
MATTE Sn 
MSL Rating
End of Life Reference (6)
Last Time to Buy (6)
REACH SVH C(223) EC1907/2006 (18)
JIG 101 A & B (12)
YES 
RoHS / RoHS 2 2011/65/EC (4) (5)
RoHS 2/3 Amend 2015/863 (7)
WEEE 2012/19/EU (19)
YES 
China RoHS 2 GB/T 26572-2011
Halogen Free / Low IEC 61249-2-21/JS709C (20)
Proposition 65 (21)
Packaging Material 94/62/EC (17)
RoHS Compliant by Exception (8)
NO 
1 Exp. 9/20/2015
2(a) Exp. 12/31/2012
2(b)(3) Exp. 12/31/2011
3 Exp. 12/31/2011
4 Exp. 12/31/2011
5 Exp. TBD
6(a)* Exp. TBD
6(b)* Exp. TBD
6(c)* Exp. TBD
7(a)* Exp. TBD
7(b)* Exp. TBD
7(c)-III Exp. 1/1/2013
8(b) Exp. TBD
9 Exp. TBD
11(a) Exp. 9/24/2010
12 Exp. 9/24/2010
13(a)* Exp. TBD
13(b) Exp. TBD
14 Exp. 1/1/2011
15* Exp. TBD
Green Reportable Substance (9) Antimony (Sb)/ Berylliuum (Be)
Phosphorus (P) & (Red P)
Compliant (ND4) or below threshold PPM (7)
ND4 
Device Mass (mg)
REFER TO IPC 1752-2 
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
YES 
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
YES 
60°C/90%RH 4000 Hrs, Whisker Test
YES 
Automotive
AEC Q100 Qualified (14)
N/A 
Grade (11)
N/A 
AEC Q101 (22)
N/A 
PPAP Ready (15)
N/A 
IMDS Posted (16)
N/A 
Declarations and Reports
IPC-1752-2
Please consult with your Semtech Sales Rep 
Base Part Number (1)
SC189Y 
Lead Free Part Number (1A), (13)
SC189YSKTRT 
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR 
# of leads
Package Type
SOT-23 
Pb-Free (2)
YES 
Reflow Temp °C (3)
260 
Lead or Ball Finish
MATTE Sn 
MSL Rating
End of Life Reference (6)
Last Time to Buy (6)
REACH SVH C(223) EC1907/2006 (18)
JIG 101 A & B (12)
YES 
RoHS / RoHS 2 2011/65/EC (4) (5)
RoHS 2/3 Amend 2015/863 (7)
WEEE 2012/19/EU (19)
YES 
China RoHS 2 GB/T 26572-2011
Halogen Free / Low IEC 61249-2-21/JS709C (20)
Proposition 65 (21)
Packaging Material 94/62/EC (17)
RoHS Compliant by Exception (8)
NO 
1 Exp. 9/20/2015
2(a) Exp. 12/31/2012
2(b)(3) Exp. 12/31/2011
3 Exp. 12/31/2011
4 Exp. 12/31/2011
5 Exp. TBD
6(a)* Exp. TBD
6(b)* Exp. TBD
6(c)* Exp. TBD
7(a)* Exp. TBD
7(b)* Exp. TBD
7(c)-III Exp. 1/1/2013
8(b) Exp. TBD
9 Exp. TBD
11(a) Exp. 9/24/2010
12 Exp. 9/24/2010
13(a)* Exp. TBD
13(b) Exp. TBD
14 Exp. 1/1/2011
15* Exp. TBD
Green Reportable Substance (9) Antimony (Sb)/ Berylliuum (Be)
Phosphorus (P) & (Red P)
Compliant (ND4) or below threshold PPM (7)
ND4 
Device Mass (mg)
REFER TO IPC 1752-2 
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
YES 
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
YES 
60°C/90%RH 4000 Hrs, Whisker Test
YES 
Automotive
AEC Q100 Qualified (14)
N/A 
Grade (11)
N/A 
AEC Q101 (22)
N/A 
PPAP Ready (15)
N/A 
IMDS Posted (16)
N/A 
Declarations and Reports
IPC-1752-2
Base Part Number (1)
SC189Z 
Lead Free Part Number (1A), (13)
SC189ZSKTRT 
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR 
# of leads
Package Type
SOT-23 
Pb-Free (2)
YES 
Reflow Temp °C (3)
260 
Lead or Ball Finish
MATTE Sn 
MSL Rating
End of Life Reference (6)
Last Time to Buy (6)
REACH SVH C(223) EC1907/2006 (18)
JIG 101 A & B (12)
YES 
RoHS / RoHS 2 2011/65/EC (4) (5)
RoHS 2/3 Amend 2015/863 (7)
WEEE 2012/19/EU (19)
YES 
China RoHS 2 GB/T 26572-2011
Halogen Free / Low IEC 61249-2-21/JS709C (20)
Proposition 65 (21)
Packaging Material 94/62/EC (17)
RoHS Compliant by Exception (8)
NO 
1 Exp. 9/20/2015
2(a) Exp. 12/31/2012
2(b)(3) Exp. 12/31/2011
3 Exp. 12/31/2011
4 Exp. 12/31/2011
5 Exp. TBD
6(a)* Exp. TBD
6(b)* Exp. TBD
6(c)* Exp. TBD
7(a)* Exp. TBD
7(b)* Exp. TBD
7(c)-III Exp. 1/1/2013
8(b) Exp. TBD
9 Exp. TBD
11(a) Exp. 9/24/2010
12 Exp. 9/24/2010
13(a)* Exp. TBD
13(b) Exp. TBD
14 Exp. 1/1/2011
15* Exp. TBD
Green Reportable Substance (9) Antimony (Sb)/ Berylliuum (Be)
Phosphorus (P) & (Red P)
Compliant (ND4) or below threshold PPM (7)
ND4 
Device Mass (mg)
REFER TO IPC 1752-2 
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
YES 
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
YES 
60°C/90%RH 4000 Hrs, Whisker Test
YES 
Automotive
AEC Q100 Qualified (14)
N/A 
Grade (11)
N/A 
AEC Q101 (22)
N/A 
PPAP Ready (15)
N/A 
IMDS Posted (16)
N/A 
Declarations and Reports
IPC-1752-2
Base Part Number (1)
SC189Z 
Lead Free Part Number (1A), (13)
SC189ZULTRT 
Part Description
2.5MHz, 1.5A SYNCHRONOUS STEP DOWN REGULATOR 
# of leads
Package Type
MLPD-UT 
Pb-Free (2)
YES 
Reflow Temp °C (3)
260 
Lead or Ball Finish
MATTE Sn 
MSL Rating
End of Life Reference (6)
Last Time to Buy (6)
REACH SVH C(223) EC1907/2006 (18)
JIG 101 A & B (12)
YES 
RoHS / RoHS 2 2011/65/EC (4) (5)
RoHS 2/3 Amend 2015/863 (7)
WEEE 2012/19/EU (19)
YES 
China RoHS 2 GB/T 26572-2011
Halogen Free / Low IEC 61249-2-21/JS709C (20)
Proposition 65 (21)
Packaging Material 94/62/EC (17)
RoHS Compliant by Exception (8)
NO 
1 Exp. 9/20/2015
2(a) Exp. 12/31/2012
2(b)(3) Exp. 12/31/2011
3 Exp. 12/31/2011
4 Exp. 12/31/2011
5 Exp. TBD
6(a)* Exp. TBD
6(b)* Exp. TBD
6(c)* Exp. TBD
7(a)* Exp. TBD
7(b)* Exp. TBD
7(c)-III Exp. 1/1/2013
8(b) Exp. TBD
9 Exp. TBD
11(a) Exp. 9/24/2010
12 Exp. 9/24/2010
13(a)* Exp. TBD
13(b) Exp. TBD
14 Exp. 1/1/2011
15* Exp. TBD
Green Reportable Substance (9) Antimony (Sb)/ Berylliuum (Be)
Phosphorus (P) & (Red P)
Compliant (ND4) or below threshold PPM (7)
ND4 
Device Mass (mg)
REFER TO IPC 1752-2 
Whisker Testing (10)
Thermal Cycling Whisker Test
(-40°C to +85°C / 4000 cycles)
YES 
Ambient Temperature Storage, Whisker Test
(50°C, 4000 Hrs)
YES 
60°C/90%RH 4000 Hrs, Whisker Test
YES 
Automotive
AEC Q100 Qualified (14)
N/A 
Grade (11)
N/A 
AEC Q101 (22)
N/A 
PPAP Ready (15)
N/A 
IMDS Posted (16)
N/A 
Declarations and Reports
IPC-1752-2
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