P4KE400ATR Encyclopedia Entry

Product Overview

The P4KE400ATR belongs to the category of transient voltage suppressor diodes. These diodes are used to protect sensitive electronic components from voltage spikes and transients. The P4KE400ATR is designed to clamp transient over-voltage events, such as electrostatic discharge (ESD) and lightning-induced surges, to a safe level. Its characteristics include high surge capability, fast response time, and low clamping voltage. The package type for the P4KE400ATR is DO-41, and it is available in tape and reel packaging with a quantity of 2000 units per reel.

Specifications

• Breakdown Voltage: 400V
• Peak Pulse Power: 400W
• Clamping Voltage: 648V
• Maximum Surge Current: 22.6A
• Operating Temperature Range: -55°C to 175°C

Detailed Pin Configuration

The P4KE400ATR has a standard axial lead configuration with two leads. The anode is connected to the positive terminal, while the cathode is connected to the negative terminal.

Functional Features

• Fast response time
• High surge capability
• Low clamping voltage
• Reliable transient voltage protection

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time ensures minimal damage to protected components
• High surge capability for robust performance

Disadvantages

• Clamping voltage may be relatively high for some applications
• Requires careful consideration of placement and routing for optimal effectiveness

Working Principles

The P4KE400ATR operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly conducts, diverting the excess current away from the protected circuit. This action effectively limits the voltage across the circuit to a safe level, protecting the sensitive components.

Detailed Application Field Plans

The P4KE400ATR is widely used in various electronic systems and equipment, including: - Power supplies - Communication systems - Industrial control systems - Automotive electronics - Consumer electronics

In these applications, the diode provides crucial protection against voltage transients, ensuring the reliability and longevity of the connected components.

Detailed and Complete Alternative Models

• P4KE440ATR
• P4KE380ATR
• P4KE420ATR
• P4KE360ATR

These alternative models offer similar transient voltage suppression capabilities with varying breakdown voltages to suit specific application requirements.

This comprehensive entry provides detailed insights into the P4KE400ATR, covering its product overview, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.