Overview
EClamp®2457K is a combination EMI filter and line termination device with integrated TVS diodes for use on SIM Card interfaces on cellular phones and other portable electronics. The device consists of three circuits that include series impedance matching resistors for proper termination of the SIM card interface. Termination resistor value of 100 Ohms is included on the RST and Data lines and 47 Ohms on the CLK line. TVS diodes are also included on each line for ESD protection up to ±30kV (air discharge) and ±17kV (contact discharge) per IEC 61000-4-2. An additional TVS diode connection is included for protection of the voltage (Vcc) bus.
Features
- High ESD withstand Voltage: IEC 61000-4-2 (ESD): 17kV (Contact), 30kV (Air)
- EMI/RFI filter with integrated TVS for ESD protection
- Working voltage: 5V
- Capacitance: 20pF Typical
- Termination Resistors: 100 Ohms and 47 Ohms
- Protection and filtering for four lines
- Solid-state silicon-avalanche technology
Packaging
- DFN 1.7 x 1.3 x 0.5mm 8-Lead
Order Codes
- EClamp2457K.C, 3000 pcs. 7 inch
PB Free/ROHS
Learn More →
Applications
- SIM Card
- Cell Phones
- PDAs and Smartphones
Inventory
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Resources
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