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P4SMA33CA from VISHAY

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P4SMA33CA

Manufacturer: VISHAY, GS

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors

Partnumber Manufacturer Quantity Availability
P4SMA33CA VISHAY, GS 120000 In Stock

Description and Introduction

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors **Introduction to the P4SMA33CA TVS Diode from VISHAY**  

The P4SMA33CA is a surface-mount transient voltage suppressor (TVS) diode designed to protect sensitive electronic circuits from voltage spikes and electrostatic discharge (ESD). Manufactured by VISHAY, this bidirectional diode offers robust surge protection with a standoff voltage of 33V, making it suitable for applications in telecommunications, industrial controls, and automotive systems.  

Featuring a low clamping voltage and fast response time, the P4SMA33CA effectively diverts transient energy away from critical components, ensuring reliable operation in harsh electrical environments. Its compact SMA (DO-214AC) package allows for easy integration into space-constrained designs while maintaining high power dissipation capabilities.  

Key specifications include a peak pulse power rating of 400W (10/1000μs waveform) and an operating temperature range of -55°C to +150°C, ensuring performance under extreme conditions. The diode’s bidirectional nature simplifies circuit design by eliminating the need for polarity considerations during installation.  

Engineers favor the P4SMA33CA for its balance of protection efficiency, durability, and cost-effectiveness. Whether safeguarding data lines, power supplies, or communication interfaces, this TVS diode delivers dependable overvoltage protection in demanding applications.

Application Scenarios & Design Considerations

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors

Alternative Part Number

  • SMAJ33CA --: Same SMA package bidirectional TVS diode with 33V standoff voltage and similar clamping performance, widely available and a direct functional substitute.
  • SMBJ33CA --: Bidirectional 33V TVS in SMB package offering higher surge rating; usable if board space allows the slightly larger footprint.
  • 1SMA33CAT3G --: Bidirectional 33V TVS diode in SMA package with comparable clamping voltage, suitable drop-in alternative from a different series.
  • SMAJ33CA --: Same SMA package bidirectional 33V TVS diode with comparable clamping voltage and power rating, widely available and pin-compatible.
  • SMBJ33CA --: Bidirectional 33V TVS in SMB package offering higher surge power margin; can replace if board space allows the slightly larger footprint.
  • 1SMA33CAT3G --: SMA-packaged bidirectional 33V TVS diode with similar standoff and clamping characteristics, suitable drop-in alternative from a major supplier.

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