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SMBJ51CA from VISHAY

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SMBJ51CA

Manufacturer: VISHAY, FAIRCHILD, CONCORD, CCD, MICROSEMI

Zener TVSs

Partnumber Manufacturer Quantity Availability
SMBJ51CA VISHAY, FAIRCHILD, CONCORD, CCD, MICROSEMI 125980 In Stock

Description and Introduction

Zener TVSs The SMBJ51CA is a transient voltage suppressor (TVS) diode manufactured by MICROSEMI. Below are its specifications, descriptions, and features:  

### **Specifications:**  
- **Voltage - Reverse Standoff (V_RWM):** 51V  
- **Voltage - Breakdown (V_BR):** 56.7V (Min)  
- **Voltage - Clamping (V_C):** 82.5V at 10A  
- **Peak Pulse Current (I_PP):** 10A (8/20μs)  
- **Power - Peak Pulse (P_PP):** 600W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** SMB (DO-214AA)  
- **Polarity:** Bidirectional  

### **Descriptions:**  
- The SMBJ51CA is designed to protect sensitive electronics from voltage transients and surges.  
- It provides fast response to overvoltage events, clamping the voltage to a safe level.  
- Suitable for applications requiring robust ESD, lightning, and surge protection.  

### **Features:**  
- **Low Clamping Voltage:** Ensures effective protection for sensitive components.  
- **High Surge Capability:** Handles high transient currents.  
- **Bidirectional Operation:** Protects against both positive and negative voltage spikes.  
- **RoHS Compliant:** Meets environmental standards.  
- **Reliable Performance:** Designed for industrial and automotive applications.  

This information is based on MICROSEMI's datasheet for the SMBJ51CA TVS diode.

Application Scenarios & Design Considerations

Zener TVSs

Alternative Part Number

  • P6SMB51CA --: Same SMB (DO-214AA) package, 51V bidirectional standoff, 600W peak pulse power; widely available drop-in equivalent.
  • 1SMB51CAT3G --: SMB-packaged 51V bidirectional TVS with comparable clamping voltage and 600W rating; direct functional replacement.
  • SMAJ51CA --: Similar 51V bidirectional TVS in SMA package; slightly lower 400W rating, acceptable for lower-surge designs but verify power margin.

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