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SMAJ12A-TR from ST,ST Microelectronics

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SMAJ12A-TR

Manufacturer: ST

TRANSIL

Partnumber Manufacturer Quantity Availability
SMAJ12A-TR,SMAJ12ATR ST 65400 In Stock

Description and Introduction

TRANSIL The SMAJ12A-TR is a surface-mount transient voltage suppressor (TVS) diode manufactured by STMicroelectronics (ST).  

### **Specifications:**  
- **Voltage - Reverse Standoff (Vrwm):** 12V  
- **Voltage - Breakdown (Vbr):** 13.3V (min), 14.7V (max)  
- **Voltage - Clamping (Vc) @ Ipp:** 19.9V (at 24.2A)  
- **Current - Peak Pulse (Ipp):** 24.2A (8/20µs)  
- **Power - Peak Pulse (Ppp):** 400W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package / Case:** DO-214AC (SMA)  
- **Mounting Type:** Surface Mount  
- **RoHS Compliant:** Yes  

### **Descriptions:**  
The SMAJ12A-TR is designed to protect sensitive electronics from voltage transients and electrostatic discharge (ESD). It provides fast response to transient overvoltage events, clamping the voltage to a safe level.  

### **Features:**  
- Low clamping voltage  
- Fast response time  
- High surge capability  
- Surface-mount SMA package  
- RoHS-compliant  

This information is based on ST's official datasheet and product documentation.

Application Scenarios & Design Considerations

TRANSIL

Alternative Part Number

  • SMAJ12A-E3/61 --: Same SMAJ series 12V unidirectional TVS diode with identical 400W peak pulse rating and SMA package, widely available from Vishay as a direct form-fit-function substitute.
  • P4SMAJ12A --: Equivalent 400W 12V unidirectional transient voltage suppressor in SMA package with matching clamping voltage and breakdown characteristics.
  • SMAJ12A --: Industry-standard 400W 12V unidirectional TVS diode in SMA outline, electrically compatible and offered by a major supplier with broad availability.

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