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SMAJ180CA from VISHAY

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SMAJ180CA

Manufacturer: VISHAY, CONCORD, FAIRCHILD, MICROSEMI

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors

Partnumber Manufacturer Quantity Availability
SMAJ180CA VISHAY, CONCORD, FAIRCHILD, MICROSEMI 113010 In Stock

Description and Introduction

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors The **SMAJ180CA** is a **Transient Voltage Suppressor (TVS) Diode** manufactured by **Vishay Semiconductors**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Part Number:** SMAJ180CA  
- **Manufacturer:** Vishay Semiconductors  
- **Type:** Bidirectional TVS Diode  
- **Peak Pulse Power (PPP):** 400W (10/1000µs)  
- **Breakdown Voltage (VBR):** 200V (min)  
- **Standoff Voltage (VRWM):** 180V  
- **Clamping Voltage (VC):** 292V (at IPP = 1A)  
- **Maximum Reverse Leakage Current (IR):** 1µA (at VRWM)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** SMA (DO-214AC)  

### **Descriptions:**
- Designed to protect sensitive electronics from **transient voltage spikes** (ESD, lightning, inductive switching).  
- **Bidirectional** operation allows clamping of both positive and negative voltage transients.  
- **RoHS compliant** and halogen-free.  

### **Features:**
- **Low Clamping Voltage** for effective protection.  
- **Fast Response Time** (<1ps).  
- **High Surge Capability** (up to 400W).  
- **Reliable Performance** under harsh conditions.  
- **Compact SMA Package** for space-constrained applications.  

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

(Source: Vishay datasheet for SMAJ series.)

Application Scenarios & Design Considerations

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors

Alternative Part Number

  • SMBJ180CA --: Same 180V bidirectional TVS in a larger SMB package with higher surge rating, widely available and pin-compatible in layout with adequate pad space.
  • P6SMB180CA --: Bidirectional 180V transient voltage suppressor in SMB package offering comparable clamping performance and a different series naming for easy distinction.
  • 1SMB180CA --: Bidirectional 180V TVS diode in SMB package with similar standoff voltage and surge capability, suitable drop-in alternative when board space allows.
  • 1.5SMC180CA --: 1500W bidirectional TVS with 180V standoff voltage, offering similar protection level and a different series naming for easy identification.
  • P6SMB200CA --: Bidirectional TVS diode in SMB package with comparable 200V standoff and similar clamping performance, widely available and pin-compatible.

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