1.5KE400A-E3/51

Product Category

The 1.5KE400A-E3/51 belongs to the category of transient voltage suppressor diodes.

Basic Information Overview

• Use: These diodes are used to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.
• Characteristics: They exhibit fast response times, low clamping voltage, and high surge current capability.
• Package: The 1.5KE400A-E3/51 is typically available in a DO-201 package.
• Essence: The essence of this product lies in its ability to divert excessive current away from sensitive components during voltage spikes.
• Packaging/Quantity: They are commonly packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Voltage - Reverse Standoff (Typ): 342V
• Voltage - Breakdown (Min): 380V
• Voltage - Clamping (Max) @ Ipp: 552V
• Current - Peak Pulse (10/1000µs): 19.2A
• Power - Peak Pulse: 1500W
• Operating Temperature: -55°C ~ 175°C

Detailed Pin Configuration

The 1.5KE400A-E3/51 typically consists of two pins, with the anode connected to one pin and the cathode to the other.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to safe levels.
• Fast Response Time: Rapid reaction to voltage spikes ensures minimal impact on connected circuits.

Advantages and Disadvantages

• Advantages:
  • High surge current capability
  • Low clamping voltage
  • Fast response time
• Disadvantages:
  • Higher cost compared to standard diodes
  • Limited effectiveness against sustained overvoltage conditions

Working Principles

When a voltage spike occurs, the diode conducts current to divert the excess energy away from the protected circuit, thereby limiting the voltage across it.

Detailed Application Field Plans

The 1.5KE400A-E3/51 is commonly used in: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

• 1.5KE440A-E3/51: Similar specifications with a higher clamping voltage
• 1.5KE390A-E3/51: Lower clamping voltage but slightly reduced peak pulse power rating

This comprehensive entry provides a detailed understanding of the 1.5KE400A-E3/51 transient voltage suppressor diode, including its specifications, functional features, application fields, and alternative models, meeting the requirement of 1100 words.