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SMDJ20A from CCD

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SMDJ20A

Manufacturer: CCD, LITTELFUSE, SEMITEH

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

Partnumber Manufacturer Quantity Availability
SMDJ20A CCD, LITTELFUSE, SEMITEH 137000 In Stock

Description and Introduction

SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR VOLTAGE-5.0 TO 170 Volts 3000 Watt Peak Pulse Power The SMDJ20A is a transient voltage suppressor (TVS) diode manufactured by CCD (Central Semiconductor). Here are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Part Number:** SMDJ20A  
- **Manufacturer:** CCD (Central Semiconductor)  
- **Type:** Transient Voltage Suppressor (TVS) Diode  
- **Package:** DO-214AB (SMC)  
- **Peak Pulse Power:** 3000W (10/1000μs waveform)  
- **Breakdown Voltage (VBR):** 22.2V (min) to 24.7V (max)  
- **Standoff Voltage (VRWM):** 20V  
- **Clamping Voltage (VC):** 32.4V (at 23.1A)  
- **Maximum Reverse Leakage Current (IR):** 1μA (at VRWM)  
- **Polarity:** Unidirectional  
- **Operating Temperature Range:** -55°C to +150°C  

### **Descriptions:**  
- Designed to protect sensitive electronics from voltage transients and surges.  
- Provides high-power surge protection in a compact SMC package.  
- Suitable for applications such as power supplies, communication lines, and automotive systems.  

### **Features:**  
- **High Surge Capability:** 3000W peak pulse power dissipation.  
- **Low Clamping Voltage:** Ensures effective protection for downstream components.  
- **Fast Response Time:** Reacts quickly to transient events (picosecond-level response).  
- **RoHS Compliant:** Meets environmental standards.  
- **Unidirectional Configuration:** Protects against positive voltage transients.  

For exact application details, refer to the manufacturer's datasheet.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • 1SMB20AT3G --: Same 20V standoff unidirectional TVS in SMB package with comparable 1500W-class surge rating; widely available and pin-compatible.
  • P6SMB20A --: 600W SMB unidirectional TVS with 20V standoff; lower power rating but same package and clamping behavior for many applications.
  • SMAJ20A --: 400W SMA unidirectional TVS with 20V standoff; smaller package and lower surge capability, suitable only if surge requirements are relaxed.
  • SMCJ20A --: 1500W unidirectional TVS with 20V standoff in SMC package; close electrical match with slightly lower surge capability than the 3000W SMDJ20A.
  • 5.0SMDJ20A --: 5000W unidirectional TVS with 20V standoff in SMD package; higher surge rating than the original, suitable as an over-rated drop-in replacement.

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