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SMCJ78A from MICROSEMI

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SMCJ78A

Manufacturer: MICROSEMI, CONCORD, FAIRCHILD, Littelfu..

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Partnumber Manufacturer Quantity Availability
SMCJ78A MICROSEMI, CONCORD, FAIRCHILD, Littelfu.. 209000 In Stock

Description and Introduction

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR The SMCJ78A is a transient voltage suppressor (TVS) diode manufactured by Microsemi. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Microsemi  
- **Type:** Transient Voltage Suppressor (TVS) Diode  
- **Package:** DO-214AB (SMC)  
- **Peak Pulse Power:** 1500W (10/1000μs)  
- **Breakdown Voltage (VBR):** 86.8V (min) – 95.8V (max)  
- **Standoff Voltage (VRWM):** 78V  
- **Clamping Voltage (VC):** 125V at 10A  
- **Peak Pulse Current (IPP):** 12A (8/20μs)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Polarity:** Unidirectional  

### **Descriptions:**  
- The SMCJ78A is designed to protect sensitive electronics from voltage transients and surges.  
- It provides high-power protection in a compact SMC package.  
- Suitable for applications requiring robust overvoltage protection.  

### **Features:**  
- **High Surge Capability:** Handles large transient currents.  
- **Low Clamping Voltage:** Limits voltage spikes effectively.  
- **Fast Response Time:** Reacts quickly to transient events.  
- **RoHS Compliant:** Meets environmental standards.  

This information is based solely on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Alternative Part Number

  • 1.5SMC78A --: Same 1500W peak pulse power, 78V standoff unidirectional TVS in the SMC (DO-214AB) package, directly interchangeable.
  • P6SMB78A --: 600W unidirectional TVS with 78V standoff in SMB package; suitable if lower surge rating is acceptable and a smaller footprint is desired.
  • SMAJ78A --: 400W unidirectional TVS with 78V standoff in SMA package; a lower-power alternative for space-constrained designs needing the same clamping voltage class.
  • SMDJ78A --: 3000W SMC-package unidirectional TVS with 78V standoff; higher surge rating provides margin while keeping the same footprint and clamping behavior.
  • 1SMC78AT3G --: Same 1500W unidirectional TVS class with 78V standoff voltage, directly interchangeable in most surge protection designs.

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