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SMAJ20CA from FAIRCHILD,Fairchild Semiconductor

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SMAJ20CA

Manufacturer: FAIRCHILD, Littelfu.., CONCORD, MICROSEMI

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Partnumber Manufacturer Quantity Availability
SMAJ20CA FAIRCHILD, Littelfu.., CONCORD, MICROSEMI 211000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The **SMAJ20CA** is a **600W Transient Voltage Suppressor (TVS) Diode** manufactured by **Fairchild Semiconductor**.  

### **Specifications:**  
- **Peak Pulse Power (PPP):** 600W  
- **Breakdown Voltage (VBR):** 22.2V (min) to 24.7V (max)  
- **Standoff Voltage (VRWM):** 20V  
- **Clamping Voltage (VC):** 32.4V at 10A  
- **Peak Pulse Current (IPP):** 19.4A (8/20μs waveform)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** SMA (DO-214AC)  

### **Description:**  
The **SMAJ20CA** is a **bidirectional** TVS diode designed to protect sensitive electronics from voltage transients and surges, such as ESD, lightning, and inductive load switching.  

### **Features:**  
- **Low Clamping Voltage** for effective transient suppression  
- **Fast Response Time** (typically <1ps)  
- **High Surge Capability**  
- **Bidirectional** operation for AC or bipolar signal protection  
- **RoHS Compliant**  

This device is commonly used in **telecommunications, automotive, industrial, and consumer electronics** for transient voltage protection.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Alternative Part Number

  • P6SMB20CA --: Same 20V bidirectional TVS in SMB package with comparable clamping voltage and peak pulse power, widely available drop-in replacement.
  • SMBJ20CA --: Bidirectional 20V TVS diode in SMB (DO-214AA) package with similar surge rating, a common cross for SMAJ series parts.
  • 1SMB20CAT3G --: Bidirectional 20V TVS in SMB package with equivalent standoff voltage and power handling, suitable alternative from a different series.

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