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SMAJ200A from MICROSEMI

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SMAJ200A

Manufacturer: MICROSEMI, FAIRCHILD, CONCORD, Littelfu..

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors

Partnumber Manufacturer Quantity Availability
SMAJ200A MICROSEMI, FAIRCHILD, CONCORD, Littelfu.. 171000 In Stock

Description and Introduction

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors The **SMAJ200A** is a **Transient Voltage Suppressor (TVS) Diode** manufactured by **Littelfuse**. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Part Number:** SMAJ200A  
- **Manufacturer:** Littelfuse  
- **Type:** Uni-directional TVS Diode  
- **Peak Pulse Power (10/1000μs):** 400W  
- **Breakdown Voltage (VBR):** 222V (min) – 246V (max)  
- **Standoff Voltage (VRWM):** 200V  
- **Clamping Voltage (VC):** 324V at 1A  
- **Maximum Reverse Leakage Current (IR):** 1μA at VRWM  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** SMA (DO-214AC)  

### **Descriptions:**  
The **SMAJ200A** is designed to protect sensitive electronics from high-voltage transients such as ESD, lightning, and inductive load switching. It provides **uni-directional** protection, meaning it clamps positive voltage spikes only.  

### **Features:**  
- **Low Clamping Voltage** for effective transient suppression  
- **Fast Response Time** (<1ps)  
- **High Surge Capability** (400W peak pulse power)  
- **RoHS Compliant**  
- **AEC-Q101 Qualified** (for automotive applications)  

This TVS diode is commonly used in **power supplies, communication equipment, automotive systems, and industrial electronics** for transient voltage protection.  

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Application Scenarios & Design Considerations

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors

Alternative Part Number

  • P6SMB200A --: Same 200V standoff unidirectional TVS in a similar SMB package with comparable clamping performance; different series name makes it easy to distinguish.
  • 1SMB200AT3G --: 200V unidirectional SMB TVS diode with matching standoff voltage and power rating, widely available and a common drop-in substitute.
  • SMBJ200A --: Industry-standard 200V unidirectional SMB transient voltage suppressor with equivalent surge rating and footprint.
  • P6SMB220A --: Same SMB (DO-214AA) package unidirectional TVS with comparable 200V standoff and clamping performance, widely available and pin-compatible.
  • 1SMB200A --: SMB-package unidirectional TVS diode rated for similar standoff voltage and surge capability, direct drop-in replacement for SMAJ200A.

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