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SMDJ51A from CCD

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SMDJ51A

Manufacturer: CCD, LITTELFUSE

SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR VOLTAGE-5.0 TO 170 Volts 3000 Watt Peak Pulse Power
Partnumber Manufacturer Quantity Availability
SMDJ51A CCD, LITTELFUSE 131000 In Stock

Description and Introduction

SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR VOLTAGE-5.0 TO 170 Volts 3000 Watt Peak Pulse Power The **SMDJ51A** is a **Transient Voltage Suppressor (TVS) Diode** manufactured by **LITTELFUSE**.  

### **Specifications:**  
- **Voltage - Reverse Standoff (V_RWM):** 51V  
- **Voltage - Breakdown (V_BR):** 56.7V (Min)  
- **Voltage - Clamping (V_CL):** 82.1V at 10A  
- **Peak Pulse Current (I_PP):** 10A (8/20μs)  
- **Power - Peak Pulse (P_PP):** 1500W (10/1000μs)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Package:** DO-214AB (SMC)  

### **Descriptions:**  
- Designed to protect sensitive electronics from **voltage transients** and **ESD**.  
- **Unidirectional** TVS diode, meaning it clamps positive transients only.  
- **RoHS compliant** and **halogen-free**.  

### **Features:**  
- **Low clamping voltage** for effective protection.  
- **Fast response time** (typically <1ps).  
- **High surge capability** for robust performance.  
- **Surface-mount package** (SMC) for PCB integration.  

This diode is commonly used in **telecommunications, industrial controls, and automotive applications** for transient suppression.

Application Scenarios & Design Considerations

SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR VOLTAGE-5.0 TO 170 Volts 3000 Watt Peak Pulse Power

Alternative Part Number

  • SMAJ51A --: Same 51V standoff unidirectional TVS in the SMAJ series; lower power rating (400W vs 3000W) but pin-compatible for lower-surge applications.
  • SMCJ51A --: 1500W unidirectional TVS with 51V standoff in SMC package; closer surge rating and same clamping behavior as SMDJ51A.
  • 5.0SMDJ51A --: 5000W unidirectional TVS with 51V standoff; higher surge capability in the same SMDJ-style package, suitable as an uprated drop-in.
  • 1SMB51AT3G --: Same 51V standoff unidirectional TVS in SMB package with 600W peak pulse rating, widely available and electrically comparable.
  • P6SMB51A --: 600W unidirectional TVS with 51V standoff in SMB package, matching the original surge capability and footprint.

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