Vishay Semiconductor Diodes Division
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TPSMP18AHE3/85A
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TPSMP18AHE3/85A

Introduction

The TPSMP18AHE3/85A is a power management product designed for use in various electronic devices. This entry provides an overview of the product, including its category, use, characteristics, package, essence, packaging/quantity, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

  • Category: Power Management
  • Use: Voltage Regulation and Protection
  • Characteristics: High Efficiency, Low Power Dissipation
  • Package: SOD-123FL
  • Essence: Voltage Suppression Diode
  • Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

  • Voltage Rating: 18V
  • Peak Pulse Power: 400W
  • Operating Temperature Range: -55°C to 150°C
  • Reverse Standoff Voltage: 15V
  • Breakdown Voltage: 16.7V
  • Clamping Voltage: 25.2V
  • Forward Surge Rating: 2.5A

Detailed Pin Configuration

The TPSMP18AHE3/85A features a standard SOD-123FL package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

  • Transient Voltage Suppression: Protects sensitive electronics from voltage transients.
  • Fast Response Time: Quickly clamps transient voltages to safe levels.
  • Low Leakage Current: Ensures minimal power dissipation during normal operation.

Advantages and Disadvantages

Advantages

  • High Peak Pulse Power Handling Capability
  • Compact SOD-123FL Package
  • Wide Operating Temperature Range

Disadvantages

  • Limited Reverse Standoff Voltage
  • Relatively Low Forward Surge Rating

Working Principles

The TPSMP18AHE3/85A operates by shunting excess transient voltage away from sensitive components, thereby protecting them from damage. When a transient voltage spike occurs, the diode rapidly conducts, diverting the excess energy to ground and limiting the voltage across the protected circuit.

Detailed Application Field Plans

The TPSMP18AHE3/85A is suitable for a wide range of applications, including: - Consumer Electronics - Automotive Electronics - Industrial Control Systems - Telecommunications Equipment - Power Supplies

Detailed and Complete Alternative Models

  • TPSMP6.8AHE3/85A: 6.8V Reverse Standoff Voltage
  • TPSMP12AHE3/85A: 12V Reverse Standoff Voltage
  • TPSMP24AHE3/85A: 24V Reverse Standoff Voltage
  • TPSMP36AHE3/85A: 36V Reverse Standoff Voltage

In conclusion, the TPSMP18AHE3/85A is a versatile transient voltage suppression diode with high peak pulse power handling capability and fast response time. While it has certain limitations, its compact package and wide operating temperature range make it a valuable component in various electronic systems.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van TPSMP18AHE3/85A in technische oplossingen

  1. What is the TPSMP18AHE3/85A?

    • The TPSMP18AHE3/85A is a surface mount transient voltage suppressor diode designed to protect sensitive electronics from voltage spikes and transients.

  2. What is the maximum voltage and current rating of the TPSMP18AHE3/85A?

    • The maximum working voltage is 18V, and the peak pulse current is 85A.

  3. In what applications can the TPSMP18AHE3/85A be used?

    • It can be used in various technical solutions such as power supplies, automotive electronics, industrial equipment, and telecommunications systems to protect against voltage surges and transients.

  4. How does the TPSMP18AHE3/85A provide protection?

    • It clamps the voltage during transient events, diverting excess current away from sensitive components and preventing damage.

  5. What are the key features of the TPSMP18AHE3/85A?

    • Some key features include low clamping voltage, fast response time, and high surge capability.

  6. Can the TPSMP18AHE3/85A be used for ESD protection?

    • Yes, it can provide effective electrostatic discharge (ESD) protection for sensitive electronic components.

  7. What are the recommended operating conditions for the TPSMP18AHE3/85A?

    • It is recommended to operate within the specified temperature range and to ensure proper PCB layout for optimal performance.

  8. Are there any specific soldering guidelines for the TPSMP18AHE3/85A?

    • Yes, it is important to follow the recommended soldering profile and techniques to avoid damaging the device.

  9. Is the TPSMP18AHE3/85A RoHS compliant?

    • Yes, it is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  10. Where can I find detailed technical specifications and application notes for the TPSMP18AHE3/85A?

    • Detailed technical specifications and application notes can be found in the product datasheet provided by the manufacturer.