Vishay Semiconductor Diodes Division
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P4KE9.1AHE3/54
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P4KE9.1AHE3/54

Introduction

The P4KE9.1AHE3/54 belongs to the category of transient voltage suppressor diodes (TVS diodes). These diodes are widely used for protecting sensitive electronic components from voltage spikes and transients. The P4KE9.1AHE3/54 is specifically designed to provide protection against overvoltage events in various electronic circuits.

Basic Information Overview

  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage spikes and transients
  • Characteristics: Fast response time, high surge capability, low clamping voltage
  • Package: DO-41
  • Essence: Provides a low-impedance path for transient currents
  • Packaging/Quantity: Available in reels or bulk packaging, quantity varies by supplier

Specifications

  • Part Number: P4KE9.1AHE3/54
  • Peak Pulse Power: 400W
  • Breakdown Voltage: 9.1V
  • Operating Voltage: 7.78V
  • Maximum Clamping Voltage: 14.5V
  • Peak Pulse Current: 16.3A
  • Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The P4KE9.1AHE3/54 TVS diode typically has two leads with a standard DO-41 package. The anode and cathode terminals are clearly marked for easy identification.

Functional Features

  • Fast response to transient voltage events
  • Low clamping voltage to protect downstream components
  • High surge capability for reliable overvoltage protection

Advantages and Disadvantages

Advantages

  • Effective protection against voltage surges
  • Fast reaction time
  • Compact and easy to integrate into circuit designs

Disadvantages

  • Limited to specific voltage ratings
  • May require additional circuitry for comprehensive surge protection

Working Principles

When a transient voltage spike occurs, the P4KE9.1AHE3/54 TVS diode rapidly conducts current, diverting the excess energy away from the protected circuit. This action helps to limit the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The P4KE9.1AHE3/54 is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

  • P4KE6.8AHE3/54
  • P4KE10AHE3/54
  • P4KE12AHE3/54
  • P4KE15AHE3/54

In summary, the P4KE9.1AHE3/54 TVS diode offers effective protection against transient voltage events, making it an essential component in safeguarding electronic circuits from potential damage.

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