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P4SMA12
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P4SMA12

Product Overview

Category

P4SMA12 belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

It is used for surge protection in electronic circuits, particularly in applications where protection from transient overvoltage events is required.

Characteristics

  • Fast response time
  • Low clamping voltage
  • High surge current capability

Package

P4SMA12 is typically available in a SMA (DO-214AC) package.

Essence

The essence of P4SMA12 lies in its ability to provide robust protection against transient voltage spikes.

Packaging/Quantity

It is commonly packaged in reels or tubes and is available in quantities ranging from hundreds to thousands per reel/tube.

Specifications

  • Standoff Voltage: 10.5V
  • Breakdown Voltage: 11.7V
  • Maximum Clamping Voltage: 19.9V
  • Peak Pulse Current: 43.5A
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

P4SMA12 typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

  • Provides protection against voltage transients
  • Fast response to transient events
  • Low leakage current in normal operation

Advantages

  • Robust surge protection
  • Fast reaction time
  • Low clamping voltage

Disadvantages

  • Limited peak pulse current compared to higher-rated devices
  • May require additional components for comprehensive surge protection in some applications

Working Principles

When a transient voltage spike occurs, P4SMA12 conducts and clamps the voltage to a safe level, protecting the downstream circuitry from damage.

Detailed Application Field Plans

P4SMA12 is commonly used in: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to P4SMA12 include: - P4SMA6.8 - P4SMA10 - P4SMA15

In conclusion, P4SMA12 is a TVS diode that offers reliable surge protection in various electronic applications, making it an essential component in safeguarding sensitive circuitry from transient voltage events.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de P4SMA12 en soluciones técnicas

  1. What is P4SMA12?

    • P4SMA12 is a type of surface mount transient voltage suppressor diode that is commonly used to protect electronic circuits from overvoltage events.

  2. What is the maximum peak pulse power dissipation of P4SMA12?

    • The maximum peak pulse power dissipation of P4SMA12 is typically 400 watts.

  3. What is the breakdown voltage of P4SMA12?

    • The breakdown voltage of P4SMA12 is 12 volts.

  4. How does P4SMA12 protect electronic circuits?

    • P4SMA12 clamps the voltage of the circuit by diverting excess current away from sensitive components when an overvoltage event occurs, thus protecting the circuit.

  5. What are the typical applications of P4SMA12?

    • P4SMA12 is commonly used in applications such as telecommunications equipment, industrial control systems, and automotive electronics to protect against voltage transients.

  6. What is the operating temperature range of P4SMA12?

    • The operating temperature range of P4SMA12 is typically -55°C to +150°C.

  7. What is the package type of P4SMA12?

    • P4SMA12 is available in a SMA (DO-214AC) package, which is a popular surface mount package for diodes.

  8. What is the reverse stand-off voltage of P4SMA12?

    • The reverse stand-off voltage of P4SMA12 is 10.5 volts.

  9. Can P4SMA12 be used for ESD protection?

    • Yes, P4SMA12 can be used for electrostatic discharge (ESD) protection in electronic circuits.

  10. Is P4SMA12 RoHS compliant?

    • Yes, P4SMA12 is typically RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive for environmental safety.