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SMDJ45CA from CCD

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SMDJ45CA

Manufacturer: CCD, LITTELFUSE

SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Partnumber Manufacturer Quantity Availability
SMDJ45CA CCD, LITTELFUSE 131000 In Stock

Description and Introduction

SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR The SMDJ45CA is a bidirectional TVS (Transient Voltage Suppressor) diode manufactured by LITTELFUSE. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Peak Pulse Power (10/1000µs):** 1500W  
- **Standoff Voltage (V_RWM):** 45V  
- **Breakdown Voltage (V_BR):** 50.1V (min) to 55.3V (max)  
- **Clamping Voltage (V_C):** 73.2V at 24.5A  
- **Peak Pulse Current (I_PP):** 24.5A  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AB (SMC)  

### **Descriptions:**
- Designed for overvoltage protection in electronic circuits.  
- Bidirectional polarity for AC or DC applications.  
- Low leakage current for power efficiency.  

### **Features:**
- **Fast Response Time:** Reacts quickly to transient events.  
- **High Surge Capability:** Protects against high-energy transients.  
- **RoHS Compliant:** Environmentally friendly.  
- **AEC-Q101 Qualified:** Suitable for automotive applications.  

This device is commonly used in telecommunications, industrial equipment, and automotive systems for ESD and surge protection.  

(Source: LITTELFUSE datasheet for SMDJ series.)

Application Scenarios & Design Considerations

SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Alternative Part Number

  • 5.0SMDJ45CA --: Same 45V bidirectional TVS in the 5.0SMDJ series with higher 5000W peak pulse rating; widely available and drop-in compatible in most SMDJ45CA applications.
  • SMCJ45CA --: 1500W bidirectional 45V TVS in SMC package; lower power rating than SMDJ45CA but electrically compatible for many clamping/protection designs and easily sourced.
  • SMDJ45CA-T7 --: Equivalent 3000W bidirectional 45V TVS from a different manufacturer series, offering similar standoff voltage and clamping characteristics as a cross-manufacturer alternative.
  • SMDJ45A --: Unidirectional version of the same 3000W SMDJ series with identical 45V standoff and SMC package; usable where unidirectional clamping is acceptable.

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