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SMCJ190A from MICROSEMI

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SMCJ190A

Manufacturer: MICROSEMI, FAIRCHILD, CONCORD

SMD Transient Voltage Suppressor

Partnumber Manufacturer Quantity Availability
SMCJ190A MICROSEMI, FAIRCHILD, CONCORD 113000 In Stock

Description and Introduction

SMD Transient Voltage Suppressor The **SMCJ190A** is a transient voltage suppressor (TVS) diode manufactured by **Microsemi**. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Peak Pulse Power (PPP):** 1500W (10/1000µs waveform)  
- **Breakdown Voltage (VBR):** 213V (min) – 236V (max)  
- **Standoff Voltage (VRWM):** 190V  
- **Clamping Voltage (VC):** 308V (at 10A)  
- **Maximum Reverse Leakage Current (IR):** 1µA (at VRWM)  
- **Junction Capacitance (CJ):** 100pF (typical)  
- **Operating Temperature Range:** -55°C to +150°C  

### **Description:**  
The **SMCJ190A** is a **surface-mount TVS diode** designed to protect sensitive electronics from high-voltage transients, such as ESD, lightning, and inductive load switching. It is part of the **SMCJ series**, which offers robust surge protection in a **DO-214AB (SMC) package**.  

### **Features:**  
- **Low Clamping Voltage** for superior transient protection  
- **Fast Response Time** (typically <1ps)  
- **High Surge Capability** (up to 1500W peak pulse power)  
- **RoHS Compliant** and lead-free  
- **Surface-Mount Design** for automated assembly  

This diode is commonly used in **telecommunications, industrial controls, and power supply protection** applications.  

Would you like additional details on any specific parameter?

Application Scenarios & Design Considerations

SMD Transient Voltage Suppressor

Alternative Part Number

  • 1.5SMC200A --: Same SMC (DO-214AB) package unidirectional TVS with comparable 200V standoff and 1500W peak pulse power, widely available and pin-compatible.
  • P6SMB200A --: Unidirectional 600W TVS in SMB package offering similar clamping performance for lower-power surge protection, from a major reputable supplier.
  • SMAJ190A --: Unidirectional 400W TVS with matching 190V standoff voltage in SMA package, suitable as a smaller-footprint alternative when lower surge rating is acceptable.
  • SMDJ190A --: Surface-mount 3000W TVS in SMC package with matching 190V standoff and unidirectional configuration, offering higher surge margin.

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