Microsemi Corporation
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MAPLAD18KP43AE3
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MAPLAD18KP43AE3 Encyclopedia Entry

Product Overview

Category

The MAPLAD18KP43AE3 belongs to the category of high-power transient voltage suppressor (TVS) diodes.

Use

It is used for protecting sensitive electronic equipment from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events.

Characteristics

  • High power handling capability
  • Fast response time
  • Low clamping voltage
  • RoHS compliant

Package

The MAPLAD18KP43AE3 is available in a DO-203AB package.

Essence

The essence of the MAPLAD18KP43AE3 lies in its ability to provide robust protection against transient voltage events, ensuring the reliability and longevity of electronic systems.

Packaging/Quantity

The MAPLAD18KP43AE3 is typically packaged in reels or trays, with quantities varying based on customer requirements.

Specifications

  • Peak Pulse Power: 18000 W
  • Breakdown Voltage: 43 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 MAPLAD18KP43AE3 features a standard TVS diode pin configuration with two leads for connection to the circuit.

Functional Features

  • Robust surge protection
  • Low leakage current
  • High power dissipation capability
  • Fast response to transient events

Advantages

  • Provides reliable protection against transient voltage events
  • High power handling capacity
  • Wide operating temperature range

Disadvantages

  • Higher cost compared to lower power TVS diodes
  • Larger physical size due to high power handling capability

Working Principles

The MAPLAD18KP43AE3 operates based on the principle of avalanche breakdown, where it rapidly conducts excess current away from the protected circuit when a transient voltage event occurs, thereby limiting the voltage across the circuit.

Detailed Application Field Plans

The MAPLAD18KP43AE3 is commonly used in the following applications: - Power supply units - Communication equipment - Industrial control systems - Automotive electronics - Renewable energy systems

Detailed and Complete Alternative Models

Some alternative models to the MAPLAD18KP43AE3 include: - MAPLAD15KP40AE3 - MAPLAD20KP45AE3 - MAPLAD22KP48AE3

In conclusion, the MAPLAD18KP43AE3 is a high-power TVS diode that offers robust protection against transient voltage events, making it an essential component in various electronic systems.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MAPLAD18KP43AE3 en soluciones técnicas

  1. What is MAPLAD18KP43AE3?

    • MAPLAD18KP43AE3 is a high-power transient voltage suppressor diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.

  2. What are the key features of MAPLAD18KP43AE3?

    • The key features include a peak pulse power dissipation of 18kW, low clamping voltage, fast response time, and high surge current capability.

  3. In what technical solutions can MAPLAD18KP43AE3 be used?

    • MAPLAD18KP43AE3 can be used in various technical solutions such as power supplies, communication equipment, industrial control systems, and automotive electronics to provide robust transient voltage protection.

  4. How does MAPLAD18KP43AE3 provide transient voltage protection?

    • MAPLAD18KP43AE3 provides transient voltage protection by diverting excessive transient current away from sensitive components and limiting the voltage across the protected circuit.

  5. What is the operating temperature range of MAPLAD18KP43AE3?

    • The operating temperature range of MAPLAD18KP43AE3 is typically -55°C to +175°C, making it suitable for a wide range of environmental conditions.

  6. Does MAPLAD18KP43AE3 comply with industry standards?

    • Yes, MAPLAD18KP43AE3 complies with industry standards such as IEC 61000-4-5 for surge immunity testing, ensuring its reliability and performance in demanding applications.

  7. Can MAPLAD18KP43AE3 be used for outdoor applications?

    • Yes, MAPLAD18KP43AE3 is suitable for outdoor applications due to its rugged construction and ability to withstand harsh environmental conditions.

  8. What are the recommended mounting and soldering techniques for MAPLAD18KP43AE3?

    • The recommended mounting technique is through-hole mounting, and the recommended soldering technique is reflow soldering or wave soldering, following the manufacturer's guidelines.

  9. Is MAPLAD18KP43AE3 RoHS compliant?

    • Yes, MAPLAD18KP43AE3 is RoHS compliant, meaning it meets the Restriction of Hazardous Substances directive, making it environmentally friendly.

  10. What are the typical applications where MAPLAD18KP43AE3 is commonly used?

    • MAPLAD18KP43AE3 is commonly used in applications such as surge protection for power lines, transient voltage suppression in telecommunications equipment, and overvoltage protection in industrial automation systems.