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SMCJ15A from ST,ST Microelectronics

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SMCJ15A

Manufacturer: ST, MICROSEMI, CONCORD, FAIRCHILD

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Partnumber Manufacturer Quantity Availability
SMCJ15A ST, MICROSEMI, CONCORD, FAIRCHILD 113170 In Stock

Description and Introduction

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR The **SMCJ15A** is a **15V** Transient Voltage Suppressor (TVS) diode manufactured by **Microsemi** (now part of **Microchip Technology**).  

### **Specifications:**  
- **Standoff Voltage (VWM):** 15V  
- **Breakdown Voltage (VBR):** 16.7V (min) – 18.5V (max)  
- **Peak Pulse Current (IPP):** 24.2A (8/20µs waveform)  
- **Clamping Voltage (VC):** 24.4V (at IPP)  
- **Maximum Reverse Leakage Current (IR):** 1µA (at VWM)  
- **Power Dissipation (PPK):** 1500W (10/1000µs waveform)  
- **Junction Capacitance (CJ):** 1500pF (typical)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Description:**  
The SMCJ15A is a **unidirectional** TVS diode designed to protect sensitive electronics from high-voltage transients such as ESD, lightning, and inductive load switching. It is housed in a **SMC (DO-214AB)** surface-mount package.  

### **Features:**  
- **Low Clamping Voltage** for effective transient protection  
- **Fast Response Time** (typically <1ps)  
- **RoHS Compliant**  
- **High Surge Capability**  
- **Unidirectional Polarity** (protects against positive transients)  

This device is commonly used in **telecommunications, automotive, industrial, and consumer electronics** for transient voltage suppression.  

Would you like additional details on related parts or applications?

Application Scenarios & Design Considerations

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Alternative Part Number

  • 1SMC15AT3G --: Same 1500W unidirectional TVS diode with 15V standoff voltage in the SMC package, directly interchangeable for transient protection.
  • SMAJ15A --: Unidirectional TVS with identical 15V standoff voltage but lower 400W peak power rating; suitable only where lower surge capability is acceptable.
  • P6SMB15A --: 600W unidirectional TVS diode with 15V standoff voltage in SMB package; a smaller-footprint option when full 1500W rating is not required.
  • 1.5SMC15A --: Same 1500W peak pulse power unidirectional TVS diode with 15V standoff voltage, directly interchangeable in most circuits.

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