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P4SMA150CA from VISHAY

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P4SMA150CA

Manufacturer: VISHAY, GS

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors

Partnumber Manufacturer Quantity Availability
P4SMA150CA VISHAY, GS 120000 In Stock

Description and Introduction

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors The **P4SMA150CA** 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 protection capabilities and reliability in demanding applications.  

With a **standoff voltage of 150V** and a **peak pulse power dissipation of 400W**, the P4SMA150CA offers effective clamping against fast-rising surges, such as those caused by electrostatic discharge (ESD), lightning, or inductive load switching. Its **low clamping voltage** ensures minimal stress on protected circuits, enhancing system durability.  

The **unidirectional** configuration of the P4SMA150CA makes it suitable for DC applications where polarity must be observed. Its **compact SMA (DO-214AC) package** allows for easy integration into space-constrained designs while maintaining high thermal efficiency.  

Common applications include **power supplies, communication equipment, industrial controls, and automotive electronics**, where transient protection is critical. The P4SMA150CA meets industry standards for reliability, making it a trusted choice for engineers seeking robust overvoltage protection solutions.  

For optimal performance, proper PCB layout and adherence to manufacturer guidelines are recommended to maximize surge-handling capabilities and longevity.

Application Scenarios & Design Considerations

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors

Alternative Part Number

  • SMAJ150CA --: Same SMA package bidirectional 150V TVS diode with comparable clamping voltage and power rating, widely available and pin-compatible.
  • SMBJ150CA --: Bidirectional 150V TVS in SMB package offering higher surge power margin; usable if board space allows the slightly larger footprint.
  • 1.5SMC150CA --: 1500W bidirectional 150V TVS in SMC package providing robust surge protection as a higher-power substitute when layout permits.
  • SMAJ150CA --: Same SMA package bidirectional 150V TVS diode with comparable clamping voltage and power rating, widely available and pin-compatible.
  • SMBJ150CA --: Bidirectional 150V TVS in SMB package offering higher surge power margin; can replace with minor board space adjustment.
  • 1.5SMC150CA --: 1500W bidirectional TVS diode with similar standoff voltage, suitable as a higher-power drop-in alternative in SMC package.

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