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SMAJ22A from RECRON

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SMAJ22A

Manufacturer: RECRON, CONCORD, FAIRCHILD, MICROSEMI

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Partnumber Manufacturer Quantity Availability
SMAJ22A RECRON, CONCORD, FAIRCHILD, MICROSEMI 211000 In Stock

Description and Introduction

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS The SMAJ22A is a transient voltage suppressor (TVS) diode manufactured by Microsemi (now part of Microchip Technology). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Peak Pulse Power (PPP):** 400W (8/20µs waveform)  
- **Standoff Voltage (VWM):** 22V  
- **Breakdown Voltage (VBR):** 24.4V (min), 27.1V (max)  
- **Clamping Voltage (VC):** 35.5V at 1A  
- **Peak Pulse Current (IPP):** 11.3A (8/20µs)  
- **Leakage Current (IR):** 1µA (max) at VWM  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AC (SMA)  

### **Descriptions:**
- The SMAJ22A is designed to protect sensitive electronics from voltage transients, such as ESD, lightning, and inductive load switching.  
- It is a unidirectional TVS diode, meaning it clamps positive voltage transients only.  
- It complies with IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (Surge) standards.  

### **Features:**
- **Fast Response Time:** Typically less than 1ps.  
- **Low Clamping Voltage:** Provides effective protection for sensitive circuits.  
- **High Surge Capability:** Handles high transient currents.  
- **RoHS Compliant:** Lead-free and environmentally friendly.  
- **Reliable Performance:** Suitable for automotive, industrial, and consumer applications.  

This information is sourced from Microsemi's official datasheets and product documentation.

Application Scenarios & Design Considerations

SURFACE MOUNT UNIDIRECTIONAL AND BIDIRECTIONAL TRANSIENT VOLTAGE SUPPRESSORS

Alternative Part Number

  • P4SMA22A --: Same 400W SMA-package unidirectional TVS with 22V standoff voltage, direct functional equivalent.
  • SMAJ22A-E3/61 --: Vishay's SMAJ series offers identical 400W 22V unidirectional TVS characteristics with proven reliability.
  • 1SMA22AT3G --: 400W SMA unidirectional TVS diode with 22V standoff, suitable drop-in replacement for the SMAJ22A.
  • SMBJ22A --: SMB package TVS with same 22V standoff and higher 600W surge rating; usable if slightly larger footprint is acceptable and offers extra margin.
  • TPSMA22A --: SMA-packaged unidirectional 22V TVS diode offering equivalent clamping and surge protection, suitable as an alternative with a different series name.

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