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SMDJ85A from LITTELFUSE

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SMDJ85A

Manufacturer: LITTELFUSE, CCD

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

Partnumber Manufacturer Quantity Availability
SMDJ85A LITTELFUSE, CCD 131000 In Stock

Description and Introduction

SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR VOLTAGE-5.0 TO 170 Volts 3000 Watt Peak Pulse Power The SMDJ85A is a transient voltage suppressor (TVS) diode manufactured by CCD (Comchip Technology). Here are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Part Number:** SMDJ85A  
- **Manufacturer:** CCD (Comchip Technology)  
- **Type:** Transient Voltage Suppressor (TVS) Diode  
- **Package:** DO-214AB (SMC)  
- **Peak Pulse Power:** 1500W (10/1000μs waveform)  
- **Breakdown Voltage (VBR):** 94.05V (Min) – 103.95V (Max)  
- **Standoff Voltage (VRWM):** 85V  
- **Clamping Voltage (VC):** 137V (at 10A)  
- **Maximum Reverse Leakage Current (IR):** 1μA (at VRWM)  
- **Operating Temperature Range:** -55°C to +150°C  
- **Polarity:** Unidirectional  

### **Descriptions:**  
- The SMDJ85A is designed to protect sensitive electronics from voltage transients, including ESD, lightning, and inductive load switching.  
- It provides high surge capability in a compact SMC package.  

### **Features:**  
- **High Power Handling:** 1500W peak pulse power.  
- **Fast Response Time:** Responds quickly to transient events.  
- **Low Clamping Voltage:** Limits voltage spikes to safe levels.  
- **RoHS Compliant:** Meets environmental standards.  
- **AEC-Q101 Qualified:** Suitable for automotive applications.  

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

Application Scenarios & Design Considerations

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

Alternative Part Number

  • 1.5SMC91A --: Same 1500W SMC package TVS diode with a close standoff voltage (91V vs 85V) and unidirectional clamping, widely available and pin-compatible.
  • SMCJ85A --: 1500W SMC unidirectional TVS with identical 85V standoff and similar clamping voltage, from a different series and manufacturer for easy distinction.
  • 5.0SMDJ85A --: Higher 5000W surge rating in the same SMC footprint with matching 85V standoff, offering extra margin when board space allows.
  • 1SMB85AT3G --: Similar 85V standoff unidirectional TVS diode in SMB package, good electrical match for SMDJ85A.
  • SMAJ85A --: Same 85V standoff unidirectional TVS in SMA package; lower power rating but usable in space-constrained designs.
  • P6SMB91A --: Comparable SMB unidirectional TVS with close standoff voltage, suitable as a functional substitute.

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