1.5KE400A-T

Product Overview

The 1.5KE400A-T belongs to the category of transient voltage suppressor diodes. These diodes are used to protect sensitive electronics from voltage spikes and transients. The 1.5KE400A-T is designed to clamp voltage surges and divert excess current away from sensitive components, thereby safeguarding them from damage.

Basic Information

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and transients
• Characteristics: Fast response time, high surge capability, low clamping voltage
• Package: Axial leaded, DO-201 package
• Essence: Safeguarding sensitive electronics from voltage surges
• Packaging/Quantity: Available in reels or bulk packaging, quantity varies by supplier

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage: 356V to 394V
• Operating Temperature Range: -55°C to +175°C
• Reverse Standoff Voltage: 320V
• Forward Voltage: 3.5V at 100A

Detailed Pin Configuration

The 1.5KE400A-T has an axial leaded package with two leads. The cathode is typically marked with a band on the body of the diode.

Functional Features

• Rapid response to transient voltage spikes
• High surge capability for reliable protection
• Low clamping voltage to minimize stress on protected components

Advantages and Disadvantages

Advantages

• Effective protection against voltage surges
• Fast response time
• Wide operating temperature range

Disadvantages

• Higher cost compared to standard diodes
• Requires careful handling due to sensitivity to electrostatic discharge

Working Principles

When a voltage surge occurs, the 1.5KE400A-T conducts current and clamps the voltage to a safe level, protecting downstream components. This is achieved through the rapid transition of the diode into its low impedance state when subjected to a surge.

Detailed Application Field Plans

The 1.5KE400A-T is commonly used in various electronic systems such as power supplies, telecommunications equipment, automotive electronics, and industrial controls. It provides crucial protection against voltage transients that could otherwise damage sensitive circuitry.

Detailed and Complete Alternative Models

• 1.5KE350A-T: Lower breakdown voltage variant
• 1.5KE440A-T: Higher breakdown voltage variant
• P6KE400A-T: Similar diode in a different package format

In conclusion, the 1.5KE400A-T transient voltage suppressor diode offers robust protection against voltage surges and transients, making it an essential component in numerous electronic applications.

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