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P4SMA12CA from VISHAY

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P4SMA12CA

Manufacturer: VISHAY, GS

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors

Partnumber Manufacturer Quantity Availability
P4SMA12CA VISHAY, GS 120000 In Stock

Description and Introduction

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors # Introduction to the P4SMA12CA TVS Diode  

The **P4SMA12CA** is a surface-mount **transient voltage suppressor (TVS) diode** designed to protect sensitive electronic circuits from voltage spikes and electrostatic discharge (ESD). Manufactured by **GS**, this component is part of the **P4SMA series**, offering robust protection in a compact **DO-214AC (SMA) package**.  

With a **standoff voltage of 12V** and a **breakdown voltage range of 13.3V to 14.7V**, the P4SMA12CA is suitable for applications requiring **bidirectional clamping** of transient voltages. It features a **peak pulse power dissipation of 400W (10/1000μs waveform)** and a low clamping voltage, ensuring effective suppression of overvoltage events.  

Key applications include:  
- **Power supply protection** in industrial and automotive systems  
- **Data line protection** for communication interfaces (RS-232, USB, Ethernet)  
- **ESD protection** in consumer electronics and IoT devices  

The **P4SMA12CA** complies with industry standards such as **IEC 61000-4-2 (ESD) and IEC 61000-4-4 (EFT)**, making it a reliable choice for safeguarding circuits in harsh environments. Its **fast response time** and **high surge capability** ensure minimal downtime and enhanced system longevity.  

For engineers seeking a **cost-effective, high-performance TVS diode**, the P4SMA12CA offers an optimal balance of protection and efficiency.

Application Scenarios & Design Considerations

Silicon Avalanche Diodes - 400W Surface Mount Transient Voltage Supressors

Alternative Part Number

  • SMAJ12CA --: Same SMA package, 400W bidirectional TVS with 12V standoff voltage, direct functional equivalent from a different series.
  • SMBJ12CA --: Bidirectional 12V TVS in SMB package with higher 600W surge rating, suitable drop-in upgrade for most P4SMA12CA applications.
  • 1SMA12CAT3G --: 400W bidirectional 12V TVS in SMA package, comparable clamping and standoff characteristics from an alternate manufacturer.
  • SMAJ12CA --: Same SMA package bidirectional 12V TVS diode with comparable clamping voltage and power rating, widely available and a direct functional drop-in.
  • SMBJ12CA --: Bidirectional 12V TVS in SMB package with higher 600W peak pulse power, offering extra surge margin while remaining electrically compatible.
  • P6SMB12CA --: 600W bidirectional 12V TVS diode in SMB package, suitable as a higher-power alternative with similar standoff and clamping characteristics.

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