1.5KE91ARL4G - Product Overview and Analysis

Introduction

The 1.5KE91ARL4G is a high-performance transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge. This entry provides a comprehensive 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: Transient Voltage Suppressor Diode
• Use: Protection against voltage transients induced by lightning, inductive load switching, and electrostatic discharge
• Characteristics: High surge capability, low clamping voltage, fast response time
• Package: DO-201AD
• Essence: Silicon Transient Voltage Suppressor Diode
• Packaging/Quantity: Tape & Reel (1500 units per reel)

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage: 91V
• Operating Voltage: 77.4V
• Maximum Clamping Voltage: 124V
• Peak Pulse Current: 30.5A
• Reverse Standoff Voltage: 77.4V
• Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 1.5KE91ARL4G features a standard DO-201AD package with two leads. The anode is connected to the positive terminal, while the cathode is connected to the negative terminal.

Functional Features

• High Surge Capability: Capable of withstanding high surge currents without degradation.
• Low Clamping Voltage: Provides effective protection by limiting the voltage across the protected circuit.
• Fast Response Time: Rapidly responds to transient events, minimizing the risk of damage to sensitive components.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• High surge capability
• Fast response time

Disadvantages

• Limited to specific voltage ranges
• Requires careful consideration of reverse standoff voltage

Working Principles

When a transient voltage surge occurs, the 1.5KE91ARL4G conducts current to divert the excess energy away from the protected circuit. By clamping the voltage to a safe level, it prevents damage to sensitive electronic components.

Detailed Application Field Plans

The 1.5KE91ARL4G is widely used in various applications, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• 1.5KE6.8A
• 1.5KE10A
• 1.5KE15A
• 1.5KE20A
• 1.5KE30A

In conclusion, the 1.5KE91ARL4G transient voltage suppressor diode offers robust protection against voltage transients and finds extensive use in diverse electronic applications. Its high surge capability, low clamping voltage, and fast response time make it a reliable choice for safeguarding sensitive electronics.

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