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P4SMA22CA from VISHAY

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P4SMA22CA

Manufacturer: VISHAY, GS

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors

Partnumber Manufacturer Quantity Availability
P4SMA22CA VISHAY, GS 120000 In Stock

Description and Introduction

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors The **P4SMA22CA** 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 bidirectional device offers robust **ESD protection** and surge suppression, making it ideal for applications in **telecommunications, industrial systems, and automotive electronics**.  

With a **standoff voltage of 22V** and a **breakdown voltage range of 24.4V to 27V**, the P4SMA22CA ensures reliable clamping during overvoltage events. It features a **low clamping voltage** and fast response time, effectively diverting excess energy away from critical components. The **600W peak pulse power** capability (10/1000μs) enhances its durability in demanding environments.  

Encased in a compact **SMA (DO-214AC) package**, the P4SMA22CA is suitable for space-constrained designs while maintaining high thermal efficiency. Its **bidirectional operation** simplifies circuit implementation, providing protection against both positive and negative voltage transients.  

Engineers favor this TVS diode for its **high reliability, compliance with industry standards**, and ability to safeguard sensitive electronics from **lightning strikes, inductive load switching, and electrostatic discharge (ESD)**. Whether used in power supplies, data lines, or communication interfaces, the P4SMA22CA delivers robust transient protection with minimal impact on system performance.

Application Scenarios & Design Considerations

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors

Alternative Part Number

  • SMAJ22CA --: Same SMA package bidirectional 22V TVS diode with comparable clamping voltage and power rating, widely available and pin-compatible.
  • SMBJ22CA --: Bidirectional 22V TVS in SMB package offering higher surge power margin; usable if board space allows the slightly larger footprint.
  • 1SMA22CAT3G --: SMA-packaged bidirectional 22V TVS diode with similar standoff and clamping characteristics, suitable direct functional replacement.
  • SMAJ22CA --: Same SMA package, 400W bidirectional TVS with 22V standoff voltage, direct functional equivalent from a major TVS supplier.
  • SMBJ22CA --: Bidirectional 22V TVS in SMB package with higher 600W surge rating, suitable drop-in upgrade if board space allows.
  • P6SMB22CA --: 600W bidirectional TVS with 22V standoff in SMB package, offers greater surge margin and is widely available.

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