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SMBJ14A from CONCORD

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SMBJ14A

Manufacturer: CONCORD, MICROSEMI, FAIRCHILD

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Partnumber Manufacturer Quantity Availability
SMBJ14A CONCORD, MICROSEMI, FAIRCHILD 113000 In Stock

Description and Introduction

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR The SMBJ14A is a transient voltage suppressor (TVS) diode manufactured by Microsemi (now part of Microchip Technology). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Voltage - Reverse Standoff (V_RWM):** 14V  
- **Voltage - Breakdown (V_BR):** 15.6V (min), 17.4V (max)  
- **Voltage - Clamping (V_C):** 22.5V at 1A  
- **Peak Pulse Current (I_PP):** 24.2A (8/20μs waveform)  
- **Power - Peak Pulse (P_PP):** 600W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package / Case:** DO-214AA (SMB)  

### **Description:**  
The SMBJ14A is a surface-mount TVS diode designed to protect sensitive electronics from voltage transients, including ESD, lightning, and inductive load switching. It responds quickly to overvoltage events, clamping the voltage to a safe level.  

### **Features:**  
- **Low Clamping Voltage:** Provides effective protection for downstream components.  
- **High Surge Capability:** Handles high transient currents.  
- **Fast Response Time:** Typically responds in picoseconds.  
- **RoHS Compliant:** Meets environmental regulations.  
- **AEC-Q101 Qualified:** Suitable for automotive applications.  

This diode is commonly used in power supplies, communication systems, and automotive electronics for transient suppression.  

(Note: Always refer to the latest datasheet from Microchip for updated specifications.)

Application Scenarios & Design Considerations

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Alternative Part Number

  • P6SMB15A --: Same SMB package unidirectional TVS with 15V standoff (close to 14V), similar clamping and surge rating, widely available.
  • 1SMB15AT3G --: SMB-packaged unidirectional TVS diode with comparable standoff voltage and peak pulse power, direct functional substitute.
  • SMAJ14A --: Same 14V standoff unidirectional TVS in SMA package; slightly lower power rating but electrically compatible for many clamp applications.
  • P6SMB14A --: Same 600W SMB package unidirectional TVS with 14V standoff voltage, directly interchangeable in most designs.
  • 1SMB14AT3G --: 600W SMB unidirectional TVS diode with matching 14V standoff and clamping characteristics, widely available.

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