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SMCJ7.0A from VISHAY

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SMCJ7.0A

Manufacturer: VISHAY, CONCORD, FAIRCHILD, Littelfu.., MICROSEMI

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Partnumber Manufacturer Quantity Availability
SMCJ7.0A,SMCJ70A VISHAY, CONCORD, FAIRCHILD, Littelfu.., MICROSEMI 208135 In Stock

Description and Introduction

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR The SMCJ7.0A is a transient voltage suppressor (TVS) diode manufactured by Fairchild Semiconductor (now part of ON Semiconductor). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Peak Pulse Power Dissipation (Ppp):** 1500W (10/1000μs waveform)  
- **Breakdown Voltage (VBR):** 7.78V (min) to 8.62V (max) at IT = 1mA  
- **Standoff Voltage (VRWM):** 7.0V  
- **Maximum Clamping Voltage (VC):** 12.4V at IPP = 18.7A  
- **Peak Pulse Current (IPP):** 18.7A (8/20μs waveform)  
- **Leakage Current (IR):** 1μA (max) at VRWM  
- **Junction Capacitance (CJ):** 1500pF (typical) at VR = 0V, f = 1MHz  
- **Operating Temperature Range:** -55°C to +150°C  

### **Description:**
- The SMCJ7.0A is a **unidirectional** TVS diode designed to protect sensitive electronics from voltage transients, such as ESD, lightning, and inductive load switching.  
- It is housed in a **DO-214AB (SMC) package**, suitable for surface-mount applications.  
- It provides **fast response time** (typically <1ns) to transient events.  

### **Features:**
- **Low Clamping Voltage:** Ensures effective protection for sensitive components.  
- **High Surge Capability:** Handles large transient currents.  
- **RoHS Compliant:** Meets environmental standards.  
- **Unidirectional Polarity:** Protects against positive transients only.  

For bidirectional protection, Fairchild offers the **SMCJ7.0CA** variant.  

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

Application Scenarios & Design Considerations

TECHNICAL SPECIFICATIONS OF SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Alternative Part Number

  • 1.5SMC7.0A --: Same 7.0V standoff unidirectional TVS in the SMC (DO-214AB) package with higher 1500W peak pulse power, a common drop-in upgrade from a different series.
  • SMDJ7.0A --: 3000W unidirectional TVS diode in SMC package with 7.0V standoff, offering higher surge rating and a distinctly different series name.
  • P6SMB7.0A --: 600W unidirectional TVS with 7.0V standoff in SMB package; lower power but widely available and suitable for less demanding clamping needs.
  • P6SMC7.0A --: Equivalent 7.0V unidirectional SMC TVS diode with 600W rating matching the original SMCJ class, suitable direct replacement.
  • SMLJ7.0A --: 7.0V unidirectional TVS in SMC package rated 3000W, offering higher surge capability while remaining footprint compatible.
  • SMAJ7.0A --: Same 7.0V standoff unidirectional TVS family with lower 400W rating; suitable for lower-surge applications and easily distinguishable series name.
  • 1SMC7.0AT3G --: Unidirectional 1500W SMC TVS diode with 7.0V standoff and 7.78V min breakdown, matching the SMCJ7.0A electrical ratings in the same SMC package.

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