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P4SMA170CA from VISHAY

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P4SMA170CA

Manufacturer: VISHAY, GS

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors

Partnumber Manufacturer Quantity Availability
P4SMA170CA VISHAY, GS 120000 In Stock

Description and Introduction

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors The **P4SMA170CA** from **VISHAY** is a high-performance **surface-mount transient voltage suppressor (TVS) diode** designed to protect sensitive electronic circuits from voltage spikes and transients. This component is part of the **P4SMA series**, known for its robust surge-handling capabilities and low clamping voltage, making it ideal for applications requiring reliable overvoltage protection.  

With a **standoff voltage of 170V** and a **peak pulse power dissipation of 400W**, the P4SMA170CA effectively suppresses transient events such as electrostatic discharge (ESD), lightning-induced surges, and inductive load switching. Its **bidirectional configuration** ensures protection against both positive and negative voltage transients, enhancing versatility in circuit design.  

Encased in a **DO-214AC (SMA) package**, the P4SMA170CA is compact and suitable for space-constrained applications, including **telecommunications, industrial controls, automotive systems, and power supplies**. Its fast response time and high surge current capability ensure minimal impact on protected circuits while maintaining long-term reliability.  

Engineers favor this TVS diode for its **low leakage current** and **excellent thermal stability**, making it a dependable choice for safeguarding critical electronics in harsh environments. Whether used in consumer electronics or industrial equipment, the P4SMA170CA delivers consistent performance under demanding conditions.

Application Scenarios & Design Considerations

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors

Alternative Part Number

  • SMAJ170CA --: Same SMA package bidirectional 170V TVS diode with comparable clamping voltage and power rating, widely available and pin-compatible.
  • SMBJ170CA --: Bidirectional 170V TVS in SMB package offering higher surge capability; usable if board space allows a slightly larger footprint.
  • 1SMA170CAT3G --: SMA-packaged bidirectional 170V TVS diode with similar electrical characteristics, suitable drop-in replacement for most designs.
  • SMAJ170CA --: Same SMA package bidirectional 170V TVS diode with comparable clamping and power rating, widely available and a direct functional substitute.
  • SMBJ170CA --: Bidirectional 170V TVS in SMB package offering higher surge capability; fits if slightly larger footprint is acceptable.
  • 1.5SMC170CA --: 1500W bidirectional 170V TVS in SMC package, provides greater power handling as a robust alternative when board space allows.

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