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SMCJ48A from CONCORD

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SMCJ48A

Manufacturer: CONCORD, MICROSEMI, FAIRCHILD, Littelfu..

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Partnumber Manufacturer Quantity Availability
SMCJ48A CONCORD, MICROSEMI, FAIRCHILD, Littelfu.. 209000 In Stock

Description and Introduction

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR The SMCJ48A is a transient voltage suppressor (TVS) diode manufactured by **FAIRCHILD**. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Voltage - Reverse Standoff (V_RWM):** 48V  
- **Voltage - Breakdown (V_BR):** 53.3V (Min)  
- **Voltage - Clamping (V_C):** 77.4V at 10A (I_PP)  
- **Peak Pulse Current (I_PP):** 10A (8/20µs)  
- **Power - Peak Pulse (P_PP):** 600W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AB (SMC)  

### **Description:**  
The SMCJ48A is a **bidirectional TVS diode** designed to protect sensitive electronics from voltage transients, including ESD, lightning, and inductive load switching. It offers high surge capability and fast response time.  

### **Features:**  
- **Low Clamping Voltage** for effective protection.  
- **High Surge Current Handling** (10A peak pulse).  
- **Bidirectional Configuration** for AC or DC applications.  
- **RoHS Compliant** and lead-free.  
- **Reliable DO-214AB (SMC) Package** for surface-mount applications.  

This information is based on Fairchild's datasheet for the SMCJ48A TVS diode.

Application Scenarios & Design Considerations

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Alternative Part Number

  • 1SMC48AT3G --: Same 1500W unidirectional TVS diode with 48V standoff voltage in the SMC package, widely available and electrically equivalent.
  • P6SMB48A --: 600W unidirectional TVS with 48V standoff in SMB package; lower power rating but suitable for many clamping applications where 1500W is not strictly required.
  • SMAJ48A --: 400W unidirectional TVS diode with 48V standoff in SMA package; a smaller-footprint option for lower surge-energy designs.

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