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SMCJ120CA from MICROSEMI

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SMCJ120CA

Manufacturer: MICROSEMI, CONCORD, FAIRCHILD

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
SMCJ120CA MICROSEMI, CONCORD, FAIRCHILD 113000 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 SMCJ120CA is a transient voltage suppressor (TVS) diode manufactured by FAIRCHILD.  

### **Specifications:**  
- **Voltage - Reverse Standoff (VRWM):** 120V  
- **Voltage - Breakdown (VBR):** 133V (Min)  
- **Voltage - Clamping (VC):** 193V (Max) @ 10A  
- **Peak Pulse Current (IPP):** 10A (8/20µs)  
- **Power - Peak Pulse (PPP):** 1500W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AB (SMC)  

### **Descriptions:**  
The SMCJ120CA is designed to protect sensitive electronics from high-voltage transients, such as ESD, lightning, and inductive load switching. It offers low clamping voltage and fast response time.  

### **Features:**  
- **High Surge Capability**  
- **Low Clamping Voltage**  
- **Fast Response Time**  
- **RoHS Compliant**  
- **DO-214AB Package (SMC)**  

This information is sourced from FAIRCHILD's datasheet for the SMCJ120CA.

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

  • 1.5SMC120CA --: Same 1500W bidirectional TVS class with 120V standoff voltage, widely available and drop-in compatible in most SMCJ applications.
  • P6SMB120CA --: 600W bidirectional TVS with matching 120V standoff; lower power rating but suitable for many surge protection designs where 1500W is not mandatory.
  • SMAJ120CA --: 400W bidirectional TVS with same 120V standoff voltage, useful when board space is tight and lower peak pulse power is acceptable.
  • SMDJ120CA --: 3000W bidirectional TVS in SMC package with matching 120V standoff, offering higher surge rating as a robust drop-in upgrade.
  • SMBJ120CA --: Bidirectional SMB TVS with 120V standoff and similar clamping characteristics, good drop-in for space-constrained designs.

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