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TPSMA12A from VISHAY

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TPSMA12A

Manufacturer: VISHAY

Surface Mount Automotive Transient Voltage Suppressors High Temperature Stability and High Reliability Conditions

Partnumber Manufacturer Quantity Availability
TPSMA12A VISHAY 51000 In Stock

Description and Introduction

Surface Mount Automotive Transient Voltage Suppressors High Temperature Stability and High Reliability Conditions The TPSMA12A is a unidirectional surface-mount transient voltage suppressor (TVS) diode designed to protect sensitive electronics from voltage transients and electrostatic discharge (ESD).  

### **Manufacturer Specifications:**  
- **Manufacturer:** Littelfuse  
- **Peak Pulse Power (10/1000µs):** 400W  
- **Standoff Voltage (VWM):** 12V  
- **Breakdown Voltage (VBR):** 13.3V (min), 14.7V (max)  
- **Clamping Voltage (VCL):** 19.9V at 1A  
- **Maximum Reverse Leakage Current (IRM):** 1µA at VWM  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AC (SMA)  

### **Descriptions:**  
The TPSMA12A is part of Littelfuse's TPSMA series, offering robust protection against transient overvoltage events. It features a low clamping voltage and fast response time, making it suitable for applications requiring ESD and surge protection.  

### **Features:**  
- **Unidirectional TVS Diode**  
- **Low Clamping Voltage**  
- **Fast Response Time** (<1ps)  
- **High Surge Capability**  
- **RoHS Compliant**  
- **AEC-Q101 Qualified** (for automotive applications)  

This diode is commonly used in power supplies, communication systems, and automotive electronics for transient voltage suppression.

Application Scenarios & Design Considerations

Surface Mount Automotive Transient Voltage Suppressors High Temperature Stability and High Reliability Conditions

Alternative Part Number

  • SMAJ12A --: Same SMA package unidirectional TVS diode with 12V standoff and comparable clamping voltage; widely available and pin-compatible.
  • P4SMA12A --: SMA-packaged 400W unidirectional TVS with 12V standoff, matching the original's surge rating and footprint.
  • SMAJ12A-E3/61 --: Vishay's own SMAJ series 12V unidirectional TVS in SMA package, offering equivalent electrical performance from the same manufacturer.
  • SMBJ12A --: SMB-package 600W unidirectional TVS with 12V standoff; higher power rating and slightly larger footprint but electrically compatible for most protection designs.

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