IC Phoenix logo

Home ›  S  › S39 > SMCJ20CA

SMCJ20CA from MICROSEMI

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

SMCJ20CA

Manufacturer: MICROSEMI, CONCORD, FAIRCHILD

Zener TVSs

Partnumber Manufacturer Quantity Availability
SMCJ20CA MICROSEMI, CONCORD, FAIRCHILD 113000 In Stock

Description and Introduction

Zener TVSs The SMCJ20CA is a bidirectional TVS (Transient Voltage Suppressor) diode manufactured by Fairchild Semiconductor (now part of ON Semiconductor). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Voltage - Reverse Standoff (V₃₀):** 20V  
- **Voltage - Breakdown (Min):** 22.2V  
- **Voltage - Clamping (Max) @ Iₚₚ:** 32.4V at 19.9A  
- **Peak Pulse Current (Iₚₚ):** 19.9A (8/20μs waveform)  
- **Power - Peak Pulse (Pₚₚ):** 600W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AB (SMC)  

### **Description:**  
The SMCJ20CA is designed to protect sensitive electronics from high-voltage transients, such as ESD (Electrostatic Discharge), lightning, and inductive load switching. It offers bidirectional clamping, meaning it can suppress both positive and negative voltage spikes.  

### **Features:**  
- **Low Clamping Voltage:** Provides effective protection for sensitive circuits.  
- **High Surge Capability:** Handles high transient currents.  
- **Bidirectional Operation:** Protects against both positive and negative transients.  
- **RoHS Compliant:** Meets environmental standards.  
- **Fast Response Time:** Reacts quickly to transient events.  

This diode is commonly used in telecommunications, automotive, and industrial applications for circuit protection.  

(Note: Fairchild Semiconductor was acquired by ON Semiconductor in 2016, but legacy Fairchild part numbers like SMCJ20CA remain in use.)

Application Scenarios & Design Considerations

Zener TVSs

Alternative Part Number

  • 1.5SMC20CA --: Same 1500W bidirectional TVS class with 20V standoff, widely available and electrically equivalent for most clamping applications.
  • P6SMB20CA --: 600W bidirectional TVS with 20V standoff in SMB package; lower power rating but a common drop-in when surge energy is modest.
  • TPSMB20CA --: Automotive-grade 600W bidirectional TVS with 20V standoff in SMB, suitable alternative when AEC-Q101 qualification is desired.
  • 1SMC20CA --: Same 1500W bidirectional TVS diode with 20V standoff voltage in the SMC package, directly interchangeable.
  • SMAJ20CA --: Bidirectional 20V standoff TVS in SMA package; suitable for lower-power clamping needs where 400W rating is sufficient.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips