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SMCJ70A from CONCORD

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SMCJ70A

Manufacturer: CONCORD, MICROSEMI, FAIRCHILD

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Partnumber Manufacturer Quantity Availability
SMCJ70A CONCORD, MICROSEMI, FAIRCHILD 113000 In Stock

Description and Introduction

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR The SMCJ70A is a transient voltage suppressor (TVS) diode manufactured by Microsemi (now part of Microchip Technology). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Peak Pulse Power (PPP):** 1500W (10/1000μs waveform)  
- **Breakdown Voltage (VBR):** 77.8V (min) to 86.2V (max) at 1mA  
- **Standoff Voltage (VRWM):** 70V  
- **Maximum Clamping Voltage (VC):** 116V at 16.1A  
- **Peak Pulse Current (IPP):** 16.1A (8/20μs waveform)  
- **Leakage Current (IR):** 1μA (max) at VRWM  
- **Junction Capacitance (CJ):** 500pF (typical) at 0V, 1MHz  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AB (SMC)  

### **Descriptions:**  
- The SMCJ70A is a unidirectional TVS diode designed to protect sensitive electronics from voltage transients, including ESD, lightning, and inductive load switching.  
- It is part of the SMCJ series, which offers high surge capability in a compact SMC package.  

### **Features:**  
- **High Power Handling:** 1500W peak pulse power dissipation.  
- **Fast Response Time:** Responds to transients in picoseconds.  
- **Low Clamping Voltage:** Provides effective protection by limiting voltage spikes.  
- **Unidirectional Operation:** Designed for DC or unidirectional applications.  
- **RoHS Compliant:** Meets environmental standards.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Alternative Part Number

  • 1.5SMC75A --: Same SMC (DO-214AB) package unidirectional TVS with 1500W peak pulse power and a close standoff voltage, providing comparable clamping protection for the 70V line.
  • P6SMB75A --: Unidirectional 600W TVS in SMB package with similar standoff voltage; a lower-power but widely available drop-in style alternative when surge requirements are moderate.
  • SMAJ70A --: Unidirectional 400W TVS with the same 70V standoff voltage in SMA package; suitable as a smaller-footprint alternative when lower peak pulse power is acceptable.
  • 1SMC70AT3G --: Same 1500W unidirectional TVS class with 70V standoff and SMC package; widely available and electrically equivalent.
  • P6SMB70A --: Unidirectional 70V standoff TVS with similar clamping behavior; smaller SMB package but suitable if board space allows.

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