Microsemi Corporation
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MPLAD18KP43AE3
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MPLAD18KP43AE3 Encyclopedia Entry

Product Overview

Category:

The MPLAD18KP43AE3 belongs to the category of transient voltage suppressor (TVS) diodes.

Use:

It is used for surge protection in electronic circuits, providing a low-impedance path to ground for overvoltage transients.

Characteristics:

  • High surge capability
  • Low clamping voltage
  • Fast response time
  • RoHS compliant

Package:

The MPLAD18KP43AE3 is available in a DO-203AB (B-PUK) package.

Essence:

The essence of this product lies in its ability to protect sensitive electronic components from voltage surges and transients.

Packaging/Quantity:

The MPLAD18KP43AE3 is typically packaged in reels and is available in quantities suitable for both prototyping and production purposes.

Specifications

  • Peak Pulse Power: 18000 W
  • Standoff Voltage: 43 V
  • Breakdown Voltage: 47.8 V
  • Maximum Clamping Voltage: 69.4 V
  • Operating Temperature Range: -55°C to +175°C
  • Reverse Standoff Voltage: 36.8 V
  • Leakage Current: 1 µA

Detailed Pin Configuration

The MPLAD18KP43AE3 TVS diode has a standard two-pin configuration with anode and cathode terminals.

Functional Features

  • High surge capability for reliable overvoltage protection
  • Low clamping voltage ensures minimal impact on protected circuits
  • Fast response time provides rapid suppression of transients

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Low clamping voltage minimizes stress on protected components
  • Fast response time for quick transient suppression

Disadvantages

  • May require additional circuitry for comprehensive surge protection in complex systems
  • Limited to specific voltage and power ratings

Working Principles

The MPLAD18KP43AE3 operates by diverting excess current away from sensitive components during voltage surges, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

The MPLAD18KP43AE3 is commonly used in various applications including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the MPLAD18KP43AE3 include: - MPLAD18KP40AE3 - MPLAD18KP45AE3 - MPLAD18KP48AE3

In summary, the MPLAD18KP43AE3 transient voltage suppressor diode offers high surge capability, low clamping voltage, and fast response time, making it an effective solution for protecting electronic circuits from voltage transients.

Word Count: 399

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  1. What is MPLAD18KP43AE3?

    • MPLAD18KP43AE3 is a high-power transient voltage suppressor (TVS) diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.

  2. What is the maximum peak pulse power of MPLAD18KP43AE3?

    • The maximum peak pulse power of MPLAD18KP43AE3 is 18000W.

  3. What is the breakdown voltage of MPLAD18KP43AE3?

    • The breakdown voltage of MPLAD18KP43AE3 is 43V.

  4. What are the typical applications of MPLAD18KP43AE3?

    • MPLAD18KP43AE3 is commonly used in surge protection for telecommunications equipment, industrial control systems, power supplies, and automotive electronics.

  5. What is the response time of MPLAD18KP43AE3?

    • The response time of MPLAD18KP43AE3 is very fast, typically in the nanosecond range.

  6. How does MPLAD18KP43AE3 protect against voltage transients?

    • MPLAD18KP43AE3 clamps the transient voltage to a safe level, diverting excess current away from the protected circuit.

  7. Is MPLAD18KP43AE3 suitable for outdoor applications?

    • Yes, MPLAD18KP43AE3 is suitable for outdoor applications due to its ability to withstand high-energy transients such as lightning strikes.

  8. What is the operating temperature range of MPLAD18KP43AE3?

    • MPLAD18KP43AE3 can operate within a wide temperature range, typically from -55°C to 175°C.

  9. Can MPLAD18KP43AE3 be used in conjunction with other protective devices?

    • Yes, MPLAD18KP43AE3 can be used in combination with other protective devices to provide comprehensive surge protection for sensitive electronics.

  10. Does MPLAD18KP43AE3 require any special mounting considerations?

    • MPLAD18KP43AE3 should be mounted close to the protected circuit to minimize lead inductance and ensure effective transient suppression.