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SMCJ120A from CONCORD

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SMCJ120A

Manufacturer: CONCORD, FAIRCHILD, VISHAY, MICROSEMI

Surface mount transient voltage suppressor. 1500 watts peak power. Reverse stand-off voltage VRWM = 120 V. Test current IT = 1 mA.

Partnumber Manufacturer Quantity Availability
SMCJ120A CONCORD, FAIRCHILD, VISHAY, MICROSEMI 113850 In Stock

Description and Introduction

Surface mount transient voltage suppressor. 1500 watts peak power. Reverse stand-off voltage VRWM = 120 V. Test current IT = 1 mA. The SMCJ120A is a transient voltage suppressor (TVS) diode manufactured by Vishay. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Peak Pulse Power (PPP):** 1500 W (10/1000 µs waveform)  
- **Breakdown Voltage (VBR):** 133 V (minimum)  
- **Standoff Voltage (VRWM):** 120 V  
- **Maximum Clamping Voltage (VC):** 193 V at 10 A  
- **Peak Pulse Current (IPP):** 7.77 A  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AB (SMC)  

### **Descriptions:**  
- The SMCJ120A is a unidirectional TVS diode designed to protect sensitive electronics from voltage transients and surges.  
- It is part of Vishay’s SMCJ series, which offers high-power handling in a compact surface-mount package.  

### **Features:**  
- **Fast Response Time:** Typically responds to transients in less than 1 ps.  
- **Low Clamping Voltage:** Provides effective protection by limiting voltage spikes.  
- **High Surge Capability:** Robust performance under high-energy transients.  
- **RoHS Compliant:** Meets environmental standards.  

This information is strictly based on Vishay's datasheet for the SMCJ120A TVS diode.

Application Scenarios & Design Considerations

Surface mount transient voltage suppressor. 1500 watts peak power. Reverse stand-off voltage VRWM = 120 V. Test current IT = 1 mA.

Alternative Part Number

  • 1.5SMC120A --: Same 1500W SMC package TVS diode with 120V standoff and unidirectional clamping, direct functional equivalent.
  • P6SMB120A --: 600W SMB TVS diode with matching 120V standoff voltage; lower power rating but suitable for many surge protection designs.
  • SMAJ120A --: 400W SMA TVS diode with 120V standoff; smaller package and lower surge rating, usable where board space is tight and surge energy is lower.
  • 1SMC120A --: Same 1500W unidirectional TVS with 120V standoff voltage in the SMC package; ON Semiconductor acquired Fairchild, so this is the closest form-fit-function replacement.

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