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SMDJ18CA from LITTELFUSE

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SMDJ18CA

Manufacturer: LITTELFUSE, CCD

SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
Partnumber Manufacturer Quantity Availability
SMDJ18CA LITTELFUSE, CCD 119300 In Stock

Description and Introduction

SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR The SMDJ18CA is a Transient Voltage Suppressor (TVS) Diode manufactured by LITTELFUSE.  

### **Specifications:**  
- **Part Number:** SMDJ18CA  
- **Manufacturer:** LITTELFUSE  
- **Type:** Bidirectional TVS Diode  
- **Peak Pulse Power (10/1000μs):** 1500W  
- **Breakdown Voltage (VBR):** 20.0V (min) – 22.2V (max)  
- **Standoff Voltage (VRWM):** 18V  
- **Clamping Voltage (VC):** 29.2V at 10A  
- **Maximum Reverse Leakage Current (IR):** 1μA at VRWM  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AB (SMC)  

### **Descriptions and Features:**  
- Designed to protect sensitive electronics from high-voltage transients.  
- Bidirectional polarity for protection against both positive and negative surges.  
- Low clamping voltage for effective circuit protection.  
- RoHS compliant and halogen-free.  
- Suitable for applications such as telecommunications, industrial equipment, and automotive systems.  

For detailed electrical characteristics, refer to the official LITTELFUSE datasheet.

Application Scenarios & Design Considerations

SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR

Alternative Part Number

  • 1.5SMC18CA --: Same 18V bidirectional standoff in the SMC (DO-214AB) package with 1500W peak pulse power, a common drop-in for lower-power SMDJ applications.
  • SMCJ18CA --: 1500W bidirectional TVS in the same SMC footprint and 18V standoff, widely available and electrically similar for surge clamping.
  • P6SMB18CA --: 600W bidirectional TVS in the smaller SMB package with 18V standoff, suitable when lower peak pulse power is acceptable and board space is tight.
  • TPSMC18CA --: Automotive-grade 1500W bidirectional TVS diode in SMC package with 18V working voltage, suitable where higher reliability is required.

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