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SMAJ12CA from VISHAY

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SMAJ12CA

Manufacturer: VISHAY, ON, MICROSEMI, CONCORD, FAIRCHILD, Littelfu..

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Partnumber Manufacturer Quantity Availability
SMAJ12CA VISHAY, ON, MICROSEMI, CONCORD, FAIRCHILD, Littelfu.. 221660 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The **SMAJ12CA** is a **12V bidirectional TVS diode** manufactured by **Microsemi** (now part of Microchip Technology). Below are its key specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Standoff Voltage (VWM):** 12V  
- **Breakdown Voltage (VBR):** 13.3V (min), 14.7V (typ), 16.4V (max)  
- **Peak Pulse Current (IPP):** 24.2A (8/20µs waveform)  
- **Clamping Voltage (VC):** 19.9V at IPP  
- **Maximum Reverse Leakage Current (IR):** 1µA at VWM  
- **Power Dissipation (PPK):** 400W (10/1000µs waveform)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** SMA (DO-214AC)  

### **Descriptions:**  
- **Type:** Bidirectional Transient Voltage Suppressor (TVS) Diode  
- **Application:** Protects sensitive electronics from voltage transients, ESD, and surges.  
- **Compliance:** Meets IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (Surge) standards.  

### **Features:**  
- **Low Clamping Voltage:** Ensures effective protection for 12V circuits.  
- **Fast Response Time:** Reacts to transients in picoseconds.  
- **High Surge Capability:** Handles large transient currents.  
- **Bidirectional Operation:** Protects against both positive and negative voltage spikes.  
- **RoHS Compliant:** Lead-free and environmentally friendly.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Alternative Part Number

  • P6SMB12CA --: Same 12V bidirectional TVS clamping function in a similar SMB package, widely available and a common drop-in substitute.
  • SMBJ12CA --: Directly equivalent 12V bidirectional transient voltage suppressor in SMB package with comparable peak pulse power rating.
  • 1SMB12CA --: Bidirectional 12V TVS diode in SMB package offering similar surge protection characteristics for the same application.
  • 1SMB12CAT3G --: Same manufacturer's SMB bidirectional TVS with 12V standoff, different series naming for easy distinction from the source part.

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