Vishay Semiconductor Diodes Division
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P4KA9.1AHE3/54
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P4KA9.1AHE3/54

Product Overview

Category

P4KA9.1AHE3/54 belongs to the category of TVS (Transient Voltage Suppressor) diodes.

Use

These diodes are used to protect sensitive electronic components from voltage spikes and transient surges.

Characteristics

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

Package

The P4KA9.1AHE3/54 diode is typically available in a DO-214AC (SMA) package.

Essence

The essence of P4KA9.1AHE3/54 lies in its ability to provide reliable overvoltage protection for electronic circuits.

Packaging/Quantity

These diodes are usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Peak Pulse Power: 4000W
  • Standoff Voltage: 7.78V
  • Breakdown Voltage: 8.65V
  • Maximum Clamping Voltage: 14.5V
  • Operating Temperature Range: -55°C to 175°C

Detailed Pin Configuration

The P4KA9.1AHE3/54 diode has two pins, anode, and cathode, which are clearly labeled on the device's packaging.

Functional Features

  • Bi-directional clamping capability
  • Low incremental surge resistance
  • RoHS compliant

Advantages and Disadvantages

Advantages

  • High surge current handling capability
  • Fast response to transient voltage events
  • Compact and easy to integrate into circuit designs

Disadvantages

  • Limited to low voltage applications
  • May require additional circuitry for higher voltage protection

Working Principles

When a transient voltage spike occurs, the P4KA9.1AHE3/54 diode conducts and clamps the voltage to a safe level, protecting downstream components.

Detailed Application Field Plans

P4KA9.1AHE3/54 diodes find extensive use in: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to P4KA9.1AHE3/54 include: - P6KE6.8CA - 1.5KE6.8A - SMAJ7.0A

In conclusion, P4KA9.1AHE3/54 TVS diodes offer robust transient voltage protection for a wide range of electronic applications, making them essential components in safeguarding sensitive circuits against voltage surges and spikes.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací P4KA9.1AHE3/54 v technických řešeních

Sure, here are 10 common questions and answers related to the application of P4KA9.1AHE3/54 in technical solutions:

  1. What is the P4KA9.1AHE3/54 used for?

    • The P4KA9.1AHE3/54 is a transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What is the maximum working voltage of P4KA9.1AHE3/54?

    • The maximum working voltage of P4KA9.1AHE3/54 is typically 7.78V.

  3. How does P4KA9.1AHE3/54 provide protection?

    • P4KA9.1AHE3/54 clamps the voltage across the protected circuit when it exceeds the breakdown voltage, diverting excess current away from sensitive components.

  4. What are the typical applications of P4KA9.1AHE3/54?

    • P4KA9.1AHE3/54 is commonly used in surge protection for telecommunications equipment, automotive electronics, and industrial control systems.

  5. What is the peak pulse power handling capability of P4KA9.1AHE3/54?

    • P4KA9.1AHE3/54 can handle peak pulse power up to 400W under 10/1000μs waveform.

  6. What is the operating temperature range of P4KA9.1AHE3/54?

    • The operating temperature range of P4KA9.1AHE3/54 is typically -55°C to +175°C.

  7. How is P4KA9.1AHE3/54 packaged?

    • P4KA9.1AHE3/54 is available in a molded JEDEC DO-214AC package for easy surface mount assembly.

  8. Can P4KA9.1AHE3/54 be used for ESD protection?

    • Yes, P4KA9.1AHE3/54 can be used for ESD (electrostatic discharge) protection in various electronic devices.

  9. What are the key specifications to consider when selecting P4KA9.1AHE3/54 for a design?

    • Key specifications to consider include breakdown voltage, peak pulse power, clamping voltage, and response time.

  10. Are there any reliability certifications for P4KA9.1AHE3/54?

    • Yes, P4KA9.1AHE3/54 is often certified to industry standards such as AEC-Q101 for automotive applications and meets RoHS requirements for environmental compliance.

I hope these questions and answers are helpful! Let me know if you need further assistance.