TP1.5KE43A - Product Overview and Analysis

Introduction

The TP1.5KE43A is a high-performance transient voltage suppressor diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge. This entry provides a comprehensive overview of the TP1.5KE43A, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category and Use

The TP1.5KE43A belongs to the category of transient voltage suppressor diodes and is primarily used for surge protection in various electronic circuits and systems. Its main purpose is to limit the voltage spikes that can damage sensitive components within these systems.

Characteristics

• Package: The TP1.5KE43A is available in a DO-201AD package.
• Essence: It is designed to provide robust transient voltage suppression capabilities.
• Packaging/Quantity: The diode is typically packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage: 43V
• Operating Temperature Range: -55°C to +175°C
• Reverse Standoff Voltage: 36.8V
• Maximum Clamping Voltage: 58.1V
• Reverse Leakage Current: 1µA

Detailed Pin Configuration

The TP1.5KE43A has a standard axial lead configuration with two leads, allowing for easy integration into circuit layouts. The anode and cathode terminals are clearly marked for proper orientation during installation.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient overvoltage events to protect downstream components.
• Fast Response Time: Rapid reaction to voltage transients ensures minimal impact on the protected circuitry.

Advantages and Disadvantages

Advantages

• High peak pulse power handling capability
• Wide operating temperature range
• Fast response time

Disadvantages

• Higher reverse leakage current compared to some alternative models
• Relatively lower breakdown voltage compared to higher-rated devices

Working Principles

The TP1.5KE43A operates based on the principle of avalanche breakdown, where it rapidly conducts excess voltage away from the protected circuit when a transient event occurs. This prevents the voltage from reaching levels that could cause damage to sensitive components.

Detailed Application Field Plans

The TP1.5KE43A is commonly used in the following applications: - Power supply units - Telecommunication equipment - Industrial control systems - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

• TP1.5KE39A: Lower breakdown voltage variant suitable for applications with lower voltage requirements.
• TP1.5KE47A: Higher breakdown voltage variant for applications requiring increased surge protection levels.
• P6KE43A: A similar device with a different package style, suitable for space-constrained applications.

In conclusion, the TP1.5KE43A transient voltage suppressor diode offers robust surge protection capabilities for a wide range of electronic applications. Its high peak pulse power and fast response time make it a reliable choice for safeguarding sensitive components from transient voltage events.

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