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SMCJ180CA from MICROSEMI

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SMCJ180CA

Manufacturer: MICROSEMI, CONCORD, FAIRCHILD

Silicon Avalanche Diodes - 1500W Surface Mount Transient Voltage Supressors
Partnumber Manufacturer Quantity Availability
SMCJ180CA MICROSEMI, CONCORD, FAIRCHILD 113000 In Stock

Description and Introduction

Silicon Avalanche Diodes - 1500W Surface Mount Transient Voltage Supressors The SMCJ180CA is a bidirectional transient voltage suppressor (TVS) diode manufactured by **FAIRCHILD**.  

### **Specifications:**  
- **Voltage - Reverse Standoff (V_RWM):** 180V  
- **Voltage - Breakdown (V_BR):** 200V (min)  
- **Peak Pulse Current (I_PP):** 14.7A (8/20μs waveform)  
- **Clamping Voltage (V_C):** 292V at I_PP  
- **Power - Peak Pulse (P_PP):** 1500W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AB (SMC)  

### **Description:**  
The SMCJ180CA is designed to protect sensitive electronics from high-voltage transients, such as ESD, lightning, and inductive load switching. It provides bidirectional clamping, making it suitable for AC or bipolar signal lines.  

### **Features:**  
- **Low Clamping Voltage** for effective transient suppression  
- **Fast Response Time** (typically <1ns)  
- **High Surge Capability** (1500W peak pulse power)  
- **Bidirectional Protection** for AC or bipolar circuits  
- **RoHS Compliant**  

This diode is commonly used in power supplies, communication equipment, and industrial electronics for surge protection.  

(Source: Fairchild Semiconductor datasheet)

Application Scenarios & Design Considerations

Silicon Avalanche Diodes - 1500W Surface Mount Transient Voltage Supressors

Alternative Part Number

  • 1.5SMC180CA --: Same 1500W bidirectional TVS with 180V standoff voltage in the 1.5SMC series, widely available and a direct functional drop-in.
  • SMDJ180CA --: 3000W bidirectional TVS with 180V standoff; higher surge rating than the original but same SMC footprint and clamping behavior.
  • P6SMB180CA --: 600W bidirectional TVS with 180V standoff in a smaller SMB package; suitable when lower surge capability is acceptable.
  • 1.5SMC200CA --: Bidirectional TVS diode in the 1.5SMC series with comparable 1500W peak pulse power and a close standoff voltage, suitable as a drop-in replacement for SMCJ180CA.
  • P6SMB200CA --: Bidirectional SMB-package TVS with 600W rating; lower power than the original but offers similar clamping behavior for lower-surge applications.
  • SMAJ180CA --: Bidirectional TVS in SMA package with the same 180V standoff voltage; smaller power rating but pin-compatible footprint for space-constrained designs.

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