Circuit Protection

General Purpose ESD Protection

Semtech provides reliable system-level Electrostatic Discharge (ESD) and Electromagnetic Interference (EMI) circuit protection technologies that meet the industry's toughest requirements. Many low-voltage core chips only offer human body model (HBM) or device level (on-chip) ESD protection, which is not enough to address system-level risks—especially as next generation ICs scale to smaller geometries. Semtech ESD protection diodes feature low clamping voltage, low capacitance, and low leakage current to protect your system interconnects from external ESD threats.

In addition, our integrated circuit ESD protection devices provide transient protection to IEC 61000-4-2 (ESD) +/-15kV (air) +/-8kV (contact) standards, and protect sensitive semiconductor components from damage due to Cable Discharge Events (CDE). And our ESD protection circuits provide single line and multi-line TVS protection for a range of voltage levels: 2.8V to 70V.

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Products

Number	Name
RClamp0521Z	Ultra Small RClamp® 1-Line ESD protection
Rclamp0542Z	Ultra Small RClamp® 2-Line ESD Protection
RClamp0542ZA	Femto Farad RailClamp® 2-Line, 300fF ESD Protection
RClamp0552T	Ultra Low Cap, 2 Line, Bidirectional ESD Protection
RClamp0564P	Femto Farad RailClamp® 4-Line, 170fF ESD Protection
RClamp1255P	Low Capacitance RClamp® Surge Protection for uUSB Interfaces
RClamp1521PQ	Ultra-Low Capacitance 1-Line ESD Protection
RClamp1851ZA	Ultra Small RClamp® 1-Line, 18V ESD Protection
RClamp2431TQ	Ultra-Low Capacitance 1-Line ESD protection
RClamp2451ZA	Ultra-Small RailClamp® 1-Line, 24V ESD Protection
RClamp2656P	Low Capacitance RClamp® Surge Protection for uUSB Interfaces
RClamp3321P	Ultra-Low Capacitance 1-Line, 3.3V ESD protection
RClamp3324P	Low Capacitance RClamp® 4-Line ESD protection
RClamp3324T	Low Voltage RailClamp® 4-Line ESD Protection
RClamp3344T	Low Voltage RailClamp® 4-Line ESD Protection
RClamp3552T	Low Voltage RailClamp® 2-Line ESD Protection
RClamp7524T	Ultra Low Capacitance TVS Array
uClamp0511PQ	μClamp® 1-Line ESD protection
uClamp0511Z	Ultra Small μClamp® 1-Line ESD protection
uClamp0512Z	Ultra Small μClamp® 2-Line ESD Protection
uClamp0571P	High-Power μClamp® 5V ESD and Surge Protection
uClamp0871P	High Power μClamp® 8V ESD & Surge Protection
uClamp1071P	High Power μClamp® 10V ESD & Surge Protection
uClamp1211Z	Ultra Small μClamp® 1-Line ESD Protection
uClamp1271P	High-Power μClamp® 12V ESD & Surge Protection
uClamp1571P	High-Power μClamp® 15V ESD & Surge Protection
uClamp1871P	High-Power μClamp® 18V ESD & Surge Protection
uClamp2271P	High-Power μClamp® 22V ESD & Surge Protection
uClamp2671P	High-Power μClamp® 26V ESD & Surge Protection
uClamp3321ZA	Ultra Small μClamp® 1-Line, 3.3V ESD Protection
uClamp3381P	High Power μClamp® 3.3V ESD & Surge Protection
uClamp3603T	TVS Diode Array for Proximity Switch Protection
uClamp3671P	High-Power μClamp® 36V ESD & Surge Protection
EClamp0504T	Low Profile EClamp® 4-Line ESD protection
EClamp1002A	ESD-EMI 2-line Protection for Speaker Ports
EClamp2342N	ESD-EMI Protection for Color LCD Interfaces
EClamp2357N	EMI Filter and ESD Protection for Secure Digital Card Interfaces
EClamp2374P	ESD-EMI 4-line Protection for Color LCD Interfaces
EClamp2376K	ESD-EMI 6-line Protection for Color LCD Interfaces
EClamp2376P	ESD-EMI 6-line Protection for Color LCD Interfaces
EClamp2378K	ESD-EMI 8-line Protection for Color LCD Interfaces
EClamp2378P	ESD-EMI 8-line Protection for Color LCD Interfaces
EClamp2384K	ESD-EMI 4-line Protection for Color LCD Interfaces
EClamp2384P	ESD-EMI 4-line Protection for Color LCD Interfaces
EClamp2386K	ESD-EMI 6-line Protection for Color LCD Interfaces
EClamp2386P	ESD-EMI 6-line Protection for Color LCD Interfaces
EClamp2388K	ESD-EMI 8-line Protection for Color LCD Interfaces
EClamp2388P	ESD-EMI 8-line Protection for Color LCD Interfaces
EClamp2394P	ESD-EMI 4-line Protection for Color LCD Interfaces
EClamp2396P	ESD-EMI 6-line Protection for Color LCD Interfaces
EClamp2398P	ESD-EMI 8-line Protection for Color LCD Interfaces
EClamp2410P	ESD Protection Device for T-Flash/MicroSD Interfaces
EClamp2422N	ESD-EMI 2-line Protection for Audio Interfaces
EClamp2454P	ESD-EMI 4-line Protection for Color LCD Interfaces
EClamp2455P	ESD-EMI 4-line Protection for SIM Card
EClamp2455K	ESD-EMI 4-line Protection for SIM Card
EClamp2456P	ESD-EMI 6-line Protection for Color LCD Interfaces
EClamp2458P	ESD-EMI 8-line Protection for Color LCD Interfaces
EClamp2465T	Low Capacitance ESD/EMI Protection for SIM Card
EClamp2522P	USB Upstream Port Filter and TVS For EMI Filtering and ESD Protection
EClamp3202A	ESD-EMI 2-line Protection for Microphone Ports
EClamp8052P	2-Line Common Mode Filter and Low Capacitance ESD Protection
LC01-6	1500 Watt Low-Capacitance TVS for High-Speed Communication Systems
LC03-6	Low-Capacitance TVS for High-Speed Data Interfaces
LC04-6	Dual Low-Capacitance TVS Array for Telecom Linecard Applications
LCDA12C-1	12 V Low-Capacitance, TVS Array
LCDA12C-8	12 V Low-Capacitance, 8-Line TVS Array
LCDA15C-1	15 V Low-Capacitance, TVS Array
LCDA24C-1	24 V Low-Capacitance TVS Diode Array For High-Speed Data Interfaces
RClamp0501T	Low Capacitance 1-Line ESD protection
RClamp0502A	RailClamp® Low Capacitance TVS Array
RClamp0502B	Ultra-Low Capacitance TVS for ESD and CDE Protection
RClamp0502BA	Ultra-Low Capacitance TVS for ESD and CDE Protection
RClamp0502N	RailClamp® Low Capacitance TVS Diode Array
RClamp0503N	RailClamp® Low Capacitance TVS Diode Array
RClamp0504F	RailClamp® Low-Capacitance TVS Diode Array
RClamp0504N	RailClamp Low-Capacitance TVS Diode Array
RClamp0504P	RailClamp® Low-Capacitance TVS Array
RClamp0504PA	RClamp0504PA RailClamp® Low Capacitance TVS Array
RClamp0504S	RailClamp® Low-Capacitance TVS Array
RClamp0512TQ	Low Capacitance RailClamp® 2-Line Surge and ESD Protection
RClamp0518P	Low Capacitance RailClamp® 8-Line Surge and ESD Protection
RClamp0521P	Ultra-Low Capacitance 1-Line ESD protection
RClamp0521PA	Ultra-Low Capacitance 1-Line ESD protection
RClamp0522P	Ultra Low Capacitance TVS Arrays
RClamp0524P	Ultra Low Capacitance TVS Arrays
RClamp0524S	RailClamp® Low Capacitance TVS Diode Array
RClamp0544M	RailClamp® ESD Protection for HDMI Interfaces
RClamp0544T	RailClamp® Ultra Low Capacitance TVS Arrays
RClamp0554S	RailClamp® Low Capacitance TVS Diode Array
RClamp0561Z	RailClamp® 1-Line, 120fF ESD Protection for High-Speed Lines
RClamp0821P	Ultra-Low Capacitance 1-Line ESD protection
RClamp0854P	RailClamp® Low Capacitance TVS Array
RClamp1265P	Low Capacitance RailClamp® Surge Protection for USB Interfaces
RClamp1502B	Ultra-Low Capacitance TVS for ESD and CDE Protection
RClamp1521P	Ultra-Low Capacitance 1-Line ESD protection
RClamp1624T	RailClamp® ESD Protection for USB Interfaces
RClamp1654P	RailClamp® Low Capacitance TVS Array
RClamp2402B	Ultra-Low Capacitance TVS for EDS and CDE Protection
RClamp2502L	RailClamp® 2.5V TVS for GbE Applications
RClamp3304N	RailClamp® Low-Capacitance TVS Array
RClamp3304P	RailClamp® 3.3V TVS Array
RClamp3331ZA	Ultra Small RailClamp® 1-Line, 3.3V ESD Protection
RClamp3354S	Low Voltage RClamp® Surge Protection for GbE Interfaces
RClamp3374N	High Power TVS for Ethernet Interfaces
RClamp3521P	Ultra-Low Capacitance 1-Line, 3.5V ESD protection
RClamp3624T	ESD Protection for uUSB Interfaces
RClamp3654P	RailClamp® Low Capacitance TVS Array
RClamp3655P	RailClamp® ESD Protection for uUSB Interfaces
RClamp5031T	Low Capacitance RClamp® 5V, 1-Line ESD Protection
RClamp5031ZA	Ultra Small RClamp® 1 Line, 5V ESD Protection
RClamp7002M	RailClamp® Low-Capacitance TVS Diode Array
SD05	Single-Line TVS Diode for ESD Protection in Portable Electronics
SD05C	Single-Line TVS Diode for ESD Protection in Portable Electronics
SD12	Single-Line TVS Diode for ESD Protection in Portable Electronics
SD15C	Single-Line TVS Diode for ESD Protection in Portable Electronics
SD24C	Single-Line TVS Diode for ESD Protection in Portable Electronics
SDC15	TVS Diode Array for ESD Protection of 12 V Data & Power Lines
SDC36	TVS Diode Array for Proximity Switch Input Protection
SM05	300 Watt TVS Diode Array
SM12	300 Watt TVS Diode Array
SM15	300 Watt TVS Diode Array
SM24	300 Watt TVS Diode Array
SM36	300 Watt TVS Diode Array
SM712	12 V TVS Diode Array For ESD and Latch-Up Protection
SMDA05	Unidirectional TVS Array for Protection of Four Lines
SMDA05-6	300 Watt Unidirectional TVS Array for Protection of Six Lines
SMDA05C	300 Watt Bidirectional TVS Array for Protection of Four Lines: 5 V
SMDA05C-5	5 V 5-Line Bidirectional TVS Array
SMDA05C-7	5 V Bidirectional TVS Array for Protection of 7 Lines
SMDA05C-8	Bidirectional TVS Array for Protection of Eight Lines
SMDA05CN-5	5 V 5-Line Bidirectional TVS Array
SMDA12	300 W 12 V Unidirectional TVS Array for Protection of 4 Lines
SMDA12C	300 Watt Bidirectional TVS Array for Protection of Four Lines: 12 V
SMDA12C-5	12 V 5-Line Bidirectional TVS Array
SMDA12C-7	12 V 7-Line Bidirectional TVS Array
SMDA12C-8	Bidirectional TVS Array for Protection of Eight Lines
SMDA15	300 W 15 V Unidirectional TVS Array for Protection of 4 Lines
SMDA15C	300 Watt Bidirectional TVS Array for Protection of Four Lines: 15 V
SMDA15C-5	15 V 5-Line Bidirectional TVS Array
SMDA15C-7	15 V 7-Line Bidirectional TVS Array
SMDA15C-8	Bidirectional TVS Array for Protection of Eight Lines
SMDA15CN-5	15 V 5-Line Bidirectional TVS Array
SMDA24	300 W 24 V Unidirectional TVS Array for Protection of 4 Lines
SMDA24C	300 Watt Bidirectional TVS Array for Protection of Four Lines: 24 V
SMDA24C-5	24 V 5-Line Bidirectional TVS Array
SMDA24C-7	24 V 7-Line Bidirectional TVS Array
SMF05	5 V TVS Diode Array For ESD and Latch-Up Protection
SMF05C	TVS Diode Array For ESD and Latch-Up Protection
SMF12	12 V TVS Diode Array For ESD and Latch-Up Protection
SMS05	TVS Diode Array for ESD and Latch-Up Protection
SMS05C	300 Watt TVS Diode Array for ESD and Latch-Up Protection
SMS12	TVS Diode Array for ESD and Latch-Up Protection
SMS12C	300 Watt TVS Diode Array for ESD and Latch-Up Protection
SMS15	TVS Diode Array for ESD and Latch-Up Protection
SMS15C	302 Watt TVS Diode Array for ESD and Latch-Up Protection
SMS24	TVS Diode Array for ESD and Latch-Up Protection
SMS24C	306 Watt TVS Diode Array for ESD and Latch-Up Protection
SRDA70-4	RailClamp® 500 Watt Low-Capacitance 15 pF / Line Array
SRV05-4	RailClamp® Low-Capacitance TVS Diode Array
SRV05-4A	RailClamp® Low Capacitance TVS Diode Array
STF203	USB Upstream Port Filter & TVS for EMI Filtering and ESD Protection
TClamp0602N	Low Capacitance TVS for Ethernet and Telecom Interfaces
TClamp2472S	Low Capacitance TransClamp® Surge Protection for xDSL Interfaces
TClamp2502N	Low Capacitance TVS for Ethernet and Telecom Interfaces
TClamp3302N	Low Capacitance TVS for Ethernet and Telecom Interfaces
uClamp0501H	μClamp® 1-Line ESD Protection
uClamp0501P	uClamp® 1-Line ESD Protection
uClamp0501T	Low Profile μClamp® 1-Line ESD protection
uClamp0502P	μClamp® 2-Line ESD protection
uClamp0502T	Low Profile μClamp® 2-Line ESD protection
uClamp0504A	μClamp® 4-Line ESD Protection Array
uClamp0505A	μClamp® 5-Line ESD Protection Array
uClamp0506A	μClamp® 5-Line ESD protection Array
uClamp0506P	μClamp® 6-Line ESD Protection Array
uClamp0508T	Low Profile μClamp® 8-Line ESD protection
uClamp0511T	Low Profile μClamp® 1-Line ESD protection
uClamp0512ZA	Ultra Small μClamp® 2-Line ESD Protection
uClamp0524P	Low Voltage TVS for ESD Protection
uClamp0541Z	Ultra Small μClamp® 1-Line ESD Protection
uClamp0544P	μClamp® 4-Line ESD Protection
uClamp0561P	High Power μClamp® 1-Line ESD and Surge Protection
uClamp1061P	High Power μClamp® 1-Line ESD and Surge Protection
uClamp1201H	μClamp® 1-Line ESD Protection
uClamp1201P	μClamp® 1-Line ESD protection
uClamp1211P	μClamp® 1-Line ESD protection
uClamp1211T	Low Profile μClamp® 1-Line ESD protection
uClamp1261P	High Power μClamp® 1-Line ESD and Surge Protection
uClamp1561P	High Power μClamp® 1-Line ESD and Surge Protection
uClamp2401T	Low Profile μClamp® 1-Line ESD protection
uClamp2411ZA	Ultra Small μClamp® 1-Line, 24V ESD Protection
uClamp2461P	High Power μClamp® 1-Line ESD and Surge Protection
uClamp2804L	Lightning and ESD Protection for Gigabit Ethernet Interfaces
uClamp3061P	High Power μClamp® 1-Line ESD and Surge Protection
uClamp3301D	Low Voltage μClamp® for ESD and CDE Protection
uClamp3301H	Low Voltage μClamp® for ESD and CDE Protection
uClamp3301P	Low Voltage μClamp® for ESD and CDE Protection
uClamp3304A	μClamp® 4-Line ESD Protection Array
uClamp3305P	Low Voltage TVS for ESD Protection
uClamp3306P	Low Voltage TVS for ESD Protection
uClamp3311P	Low Voltage μClamp® for ESD and CDE Protection
uClamp3324P	Low Voltage TVS for ESD Protection
uClamp3331ZA	μClamp® 1-Line, 3.3V ESD Protection
uClamp3601P	TVS Diode for Proximity Switch Input Protection
uClamp3661P	High Power μClamp® 1-Line ESD and Surge Protection
uClamp4061P	High Power μClamp® 1-Line ESD and Surge Protection
uClamp5013V	Ultra Small μClamp® 3-Line ESD Protection
uClamp6061P	High Power μClamp® 1-Line ESD and Surge Protection
uClamp6514P	65V μClamp® 4-Line, Surge & ESD Protection