1.5KE18A-B

Product Overview

The 1.5KE18A-B belongs to the category of transient voltage suppressor diodes. These diodes are used to protect sensitive electronics from voltage spikes and transients. The 1.5KE18A-B is designed to clamp voltage surges and divert excess current away from sensitive components, thereby safeguarding them from damage. This entry provides a comprehensive overview of the 1.5KE18A-B, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protecting sensitive electronics from voltage spikes and transients
• Characteristics: High surge capability, fast response time, low clamping voltage
• Package: Axial leaded
• Essence: Safeguarding electronic components from voltage surges
• Packaging/Quantity: Available in reels or bulk packaging, quantity varies by supplier

Specifications

• Voltage - Reverse Standoff (Typ): 15.3V
• Power (Watts): 1500W
• Polarity: Unidirectional
• Breakdown Voltage: 17V
• Operating Temperature: -55°C to 175°C
• Mounting Type: Through Hole
• Package / Case: DO-201AE, Axial

Detailed Pin Configuration

The 1.5KE18A-B has an axial leaded package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Surge Protection: Provides robust protection against voltage surges and transients.
• Fast Response Time: Reacts quickly to voltage spikes, diverting excess current away from sensitive components.
• Low Clamping Voltage: Limits the voltage across the protected circuit during a transient event.

Advantages and Disadvantages

Advantages

• High surge capability
• Fast response time
• Low clamping voltage
• Robust protection for sensitive electronics

Disadvantages

• Unidirectional protection only
• Requires proper installation and orientation

Working Principles

When a voltage surge occurs, the 1.5KE18A-B conducts excess current away from the protected circuit, limiting the voltage across it. This action prevents the sensitive components from being damaged by the transient event.

Detailed Application Field Plans

The 1.5KE18A-B is commonly used in various applications, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• 1.5KE16A-B: Similar specifications with slightly lower voltage rating
• 1.5KE20A-B: Similar specifications with slightly higher voltage rating
• 1.5KE18CA-B: Unidirectional variant with tighter breakdown voltage tolerance

In conclusion, the 1.5KE18A-B transient voltage suppressor diode offers robust surge protection for a wide range of electronic applications. Its fast response time and high surge capability make it a reliable choice for safeguarding sensitive components from voltage transients.

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