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SMBJ54A from MICROSEMI

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SMBJ54A

Manufacturer: MICROSEMI, CONCORD, FAIRCHILD

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Partnumber Manufacturer Quantity Availability
SMBJ54A MICROSEMI, CONCORD, FAIRCHILD 113109 In Stock

Description and Introduction

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR The SMBJ54A is a transient voltage suppressor (TVS) diode designed to protect sensitive electronic components from voltage transients and spikes.  

### **Manufacturer:**  
The SMBJ54A is manufactured by multiple semiconductor companies, including:  
- **Vishay**  
- **Littelfuse**  
- **STMicroelectronics**  
- **ON Semiconductor**  
- **Diodes Incorporated**  

### **Specifications:**  
- **Peak Pulse Power (10/1000μs):** 600W  
- **Breakdown Voltage (VBR):** 60V (min) – 66.5V (max)  
- **Standoff Voltage (VRWM):** 54V  
- **Clamping Voltage (VC):** 87.4V at 10A  
- **Maximum Reverse Leakage Current (IR):** 1μA at VRWM  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** SMB (DO-214AA)  

### **Description:**  
The SMBJ54A is a unidirectional TVS diode that provides protection against high-voltage transients in electronic circuits. It is commonly used in power supplies, communication equipment, and automotive systems to safeguard against electrostatic discharge (ESD), lightning, and other voltage surges.  

### **Features:**  
- **Fast Response Time:** Typically responds to transients in less than 1 picosecond.  
- **High Surge Capability:** Can handle large transient currents.  
- **Low Clamping Voltage:** Limits voltage spikes to safe levels.  
- **RoHS Compliant:** Meets environmental standards.  
- **Unidirectional Polarity:** Protects against positive voltage transients.  

This information is based on standard datasheets from the manufacturers listed.

Application Scenarios & Design Considerations

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Alternative Part Number

  • P6SMB54A --: Same 54V standoff unidirectional TVS in SMB package with comparable clamping voltage and power rating, widely available and pin-compatible.
  • 1SMB54AT3G --: Unidirectional 54V TVS diode in SMB (DO-214AA) package with similar surge capability, a common drop-in substitute for SMBJ54A.
  • SMAJ54A --: 54V unidirectional TVS with similar electrical characteristics; SMA package is smaller but usable where board space allows and lower surge margin is acceptable.

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