1.5KE550-B Diode - Encyclopedia Entry

Introduction

The 1.5KE550-B diode is a crucial component in electronic circuits, providing protection against voltage transients and surges. This encyclopedia entry will provide an in-depth overview of the 1.5KE550-B diode, including its product details, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Product Overview

• Belongs to: The 1.5KE550-B diode belongs to the category of transient voltage suppressor (TVS) diodes.
• Basic Information Overview:
  • Category: Transient Voltage Suppressor Diode
  • Use: Protection against voltage transients and surges
  • Characteristics: High surge capability, fast response time, low clamping voltage
  • Package: Axial leaded, DO-201 package
  • Essence: Provides robust protection for sensitive electronic components
  • Packaging/Quantity: Available in reels or bulk packaging, quantity varies by manufacturer

Specifications

• Voltage Standoff: 495V
• Breakdown Voltage: 550V
• Peak Pulse Power: 1500W
• Operating Temperature Range: -55°C to +175°C
• Storage Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The 1.5KE550-B diode has an axial leaded package with two leads. The anode and cathode terminals are clearly marked for easy identification during circuit assembly.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltages to protect downstream components.
• Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on the protected circuitry.
• High Surge Capability: Capable of handling large surge currents without degradation.

Advantages and Disadvantages

• Advantages:
  • Robust protection against voltage transients
  • Fast response time
  • High surge capability
• Disadvantages:
  • Forward voltage drop may cause power loss in some applications
  • Requires careful consideration of mounting and heat dissipation due to high power dissipation during transient events

Working Principles

The 1.5KE550-B diode operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly conducts, diverting the excess energy away from the protected circuit. This action prevents damage to sensitive components.

Detailed Application Field Plans

The 1.5KE550-B diode finds extensive use in various applications, including: - Power supply units - Communication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Several alternative models to the 1.5KE550-B diode exist, offering similar transient voltage suppression capabilities. Some notable alternatives include: - 1.5KE440-B - 1.5KE600-B - P6KE550CA - SA5.0A

In conclusion, the 1.5KE550-B diode serves as a critical component in safeguarding electronic circuits from voltage transients and surges. Its robust characteristics, fast response time, and high surge capability make it a preferred choice in various electronic applications.

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