Vishay Semiconductor Diodes Division
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TPSMA18AHE3_B/I
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TPSMA18AHE3_B/I

Introduction

The TPSMA18AHE3B/I is a product belonging to the category of transient voltage suppressor diodes. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the TPSMA18AHE3B/I.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diodes
  • Use: Protecting sensitive electronic devices from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
  • Characteristics: Fast response time, low clamping voltage, high surge capability.
  • Package: SMA (DO-214AC)
  • Essence: Provides overvoltage protection for electronic circuits.
  • Packaging/Quantity: Tape & Reel, 3000 units per reel.

Specifications

  • Peak Pulse Power: 400 W
  • Breakdown Voltage: 18 V
  • Clamping Voltage: 29.2 V
  • Operating Temperature Range: -55°C to +150°C
  • RoHS Compliant: Yes

Detailed Pin Configuration

The TPSMA18AHE3_B/I has a standard SMA (DO-214AC) package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

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

Advantages and Disadvantages

Advantages

  • Effective protection against voltage transients
  • Wide operating temperature range
  • RoHS compliant

Disadvantages

  • Limited breakdown voltage compared to higher-rated devices
  • Requires careful consideration of application-specific voltage requirements

Working Principles

The TPSMA18AHE3_B/I operates by diverting excess current away from sensitive electronic components when a transient voltage spike occurs. It rapidly clamps the voltage to a safe level, protecting the downstream circuitry.

Detailed Application Field Plans

The TPSMA18AHE3_B/I is commonly used in various applications including: - Consumer electronics - Telecommunications equipment - Industrial automation - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the TPSMA18AHE3B/I include: - TPSMA16AHE3B/I (16 V breakdown voltage) - TPSMA20AHE3B/I (20 V breakdown voltage) - TPSMA24AHE3B/I (24 V breakdown voltage)

In conclusion, the TPSMA18AHE3_B/I transient voltage suppressor diode offers effective overvoltage protection for a wide range of electronic applications, with its fast response time, low clamping voltage, and high surge capability making it a reliable choice for safeguarding sensitive circuits against voltage transients.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de TPSMA18AHE3_B/I en soluciones técnicas

  1. What is TPSMA18AHE3_B/I?

    • TPSMA18AHE3_B/I is a TVS (transient voltage suppressor) diode designed to protect sensitive electronics from voltage transients induced by lightning, ESD (electrostatic discharge), and other transient voltage events.

  2. What is the maximum working voltage of TPSMA18AHE3_B/I?

    • The maximum working voltage of TPSMA18AHE3_B/I is 18V.

  3. What is the peak pulse power handling capability of TPSMA18AHE3_B/I?

    • TPSMA18AHE3_B/I can handle peak pulse power up to 400W under a 10/1000μs waveform.

  4. In what applications can TPSMA18AHE3_B/I be used?

    • TPSMA18AHE3_B/I is commonly used in applications such as telecommunications equipment, industrial control systems, automotive electronics, and consumer electronics for transient voltage protection.

  5. What is the operating temperature range of TPSMA18AHE3_B/I?

    • TPSMA18AHE3_B/I has an operating temperature range of -55°C to 150°C.

  6. Does TPSMA18AHE3_B/I meet industry standards for surge protection?

    • Yes, TPSMA18AHE3_B/I meets industry standards such as IEC 61000-4-2 (ESD) and IEC 61000-4-5 (surge).

  7. What package type does TPSMA18AHE3_B/I come in?

    • TPSMA18AHE3_B/I is available in a SMA (DO-214AC) package.

  8. Can TPSMA18AHE3_B/I be used for overvoltage protection in power supply circuits?

    • Yes, TPSMA18AHE3_B/I can be used for overvoltage protection in power supply circuits to safeguard sensitive components.

  9. Is TPSMA18AHE3_B/I RoHS compliant?

    • Yes, TPSMA18AHE3_B/I is RoHS compliant, making it suitable for use in environmentally conscious designs.

  10. What are the key advantages of using TPSMA18AHE3_B/I in technical solutions?

    • The key advantages of TPSMA18AHE3_B/I include its high surge capability, low clamping voltage, fast response time, and compact form factor, making it an effective solution for transient voltage protection in various electronic applications.