SMCJ43CA-HRA

Introduction

The SMCJ43CA-HRA is a high-reliability transient voltage suppressor diode designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This entry provides an overview of the SMCJ43CA-HRA, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The SMCJ43CA-HRA belongs to the category of transient voltage suppressor diodes, specifically designed for high-reliability applications.

Basic Information Overview

• Use: The SMCJ43CA-HRA is used to protect electronic circuits from voltage transients caused by lightning, inductive load switching, and electrostatic discharge.
• Characteristics: It offers low clamping voltage, fast response time, and high surge current capability.
• Package: The SMCJ43CA-HRA is available in a surface mount DO-214AB package.
• Essence: Its essence lies in providing robust protection against transient voltage events to ensure the reliability of electronic systems.
• Packaging/Quantity: It is typically supplied 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
• RoHS Compliance: Yes

Detailed Pin Configuration

The SMCJ43CA-HRA features a standard DO-214AB package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to safe levels, protecting downstream components.
• Fast Response Time: Rapidly responds to transient events, minimizing the risk of damage to sensitive electronics.
• High Surge Current Capability: Can handle large surge currents without degradation.

Advantages and Disadvantages

Advantages

• Robust transient voltage protection
• Fast response time
• High surge current capability
• RoHS compliant

Disadvantages

• Limited breakdown voltage (43V)

Working Principles

The SMCJ43CA-HRA operates by diverting excess transient voltage away from sensitive electronic components, thereby limiting the voltage across the protected circuit.

Detailed Application Field Plans

The SMCJ43CA-HRA is widely used in various applications, including: - Telecommunication equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

• SMCJ5.0A-HRA: Breakdown Voltage: 5.0V
• SMCJ10A-HRA: Breakdown Voltage: 10V
• SMCJ24A-HRA: Breakdown Voltage: 24V
• SMCJ64A-HRA: Breakdown Voltage: 64V

In conclusion, the SMCJ43CA-HRA is a high-reliability transient voltage suppressor diode that offers robust protection against transient voltage events. Its fast response time and high surge current capability make it suitable for a wide range of applications, despite its limited breakdown voltage. Additionally, there are alternative models available with different breakdown voltages to suit specific application requirements.

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