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SMCJ45CA from CONCORD

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SMCJ45CA

Manufacturer: CONCORD, RECRON, MICROSEMI, FAIRCHILD, LITTELFUSE

Zener TVSs

Partnumber Manufacturer Quantity Availability
SMCJ45CA CONCORD, RECRON, MICROSEMI, FAIRCHILD, LITTELFUSE 211600 In Stock

Description and Introduction

Zener TVSs The SMCJ45CA is a bidirectional Transient Voltage Suppressor (TVS) diode manufactured by LITTELFUSE. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Voltage - Reverse Standoff (V_RWM):** 38.5V  
- **Voltage - Breakdown (V_BR):** 42.8V (min)  
- **Voltage - Clamping (V_C):** 70.3V at 34.1A  
- **Peak Pulse Current (I_PP):** 34.1A (8/20µs)  
- **Power - Peak Pulse (Pppm):** 1500W  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AB (SMC)  

### **Descriptions:**
- Designed for overvoltage protection in sensitive electronic circuits.  
- Bidirectional TVS diode, providing protection for both positive and negative transient voltages.  
- Meets IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (Surge) standards.  

### **Features:**
- **Low Clamping Voltage:** Ensures effective protection for sensitive components.  
- **Fast Response Time:** Responds quickly to transients (picosecond range).  
- **High Surge Capability:** Handles large transient currents.  
- **RoHS Compliant:** Environmentally friendly.  
- **AEC-Q101 Qualified:** Suitable for automotive applications.  

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

Application Scenarios & Design Considerations

Zener TVSs

Alternative Part Number

  • 1.5SMC47CA --: Same 1500W bidirectional TVS class with a 47V standoff close to the 45V rating, providing comparable clamping protection for the same transient suppression role.
  • P6SMB47CA --: 600W bidirectional SMB TVS with similar 47V standoff; a lower-power but pin-compatible SMB option when surge energy requirements are reduced.
  • SMAJ45CA --: 400W bidirectional TVS in SMA with the same 45V standoff voltage, suitable as a smaller-footprint drop-in for lower surge environments.
  • 1SMC45CA --: Same 1500W bidirectional TVS class with 45V standoff voltage, direct functional equivalent from a different series naming.
  • P6SMB45CA --: Bidirectional TVS with matching 45V standoff and similar clamping behavior, lower power rating but usable in many SMCJ45CA applications.

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