SMCJ90 Diode: Encyclopedia Entry

Introduction

The SMCJ90 diode is a crucial component in the field of electronics, belonging to the category of transient voltage suppressor (TVS) diodes. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the SMCJ90 diode.

Basic Information Overview

• Category: Transient Voltage Suppressor (TVS) Diode
• Use: Protecting sensitive electronic devices from voltage transients
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SMC (DO-214AB)
• Essence: Safeguarding electronic circuits from voltage spikes
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage: 90V
• Operating Voltage: 77.4V
• Clamping Voltage: 146V
• Peak Pulse Current: 26.1A
• Reverse Standoff Voltage: 77.4V
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ90 diode has a standard SMC package with two leads. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Transient Voltage Suppression: Rapidly clamps transient voltages to protect downstream components
• Low Clamping Voltage: Ensures minimal voltage stress on protected circuits
• Fast Response Time: Quickly responds to voltage transients to prevent damage

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Low clamping voltage minimizes stress on protected circuits
• High surge current capability for robust performance

Disadvantages

• Limited to specific voltage ratings
• Requires careful consideration of reverse standoff voltage

Working Principles

The SMCJ90 diode operates by diverting excess transient voltage away from sensitive electronic components. When a voltage spike occurs, the diode rapidly conducts, providing a low-impedance path for the excess energy to be dissipated, thus protecting the downstream circuitry.

Detailed Application Field Plans

The SMCJ90 diode finds extensive use in various applications, including: - Power supply units - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Several alternative models to the SMCJ90 diode include: - SMCJ5.0A: Breakdown Voltage - 5.0V - SMCJ15A: Breakdown Voltage - 15V - SMCJ30CA: Breakdown Voltage - 30V - SMCJ58A: Breakdown Voltage - 58V - SMCJ110A: Breakdown Voltage - 110V

In conclusion, the SMCJ90 diode serves as a critical component in safeguarding electronic circuits from voltage transients. Its fast response time, low clamping voltage, and high surge current capability make it an essential choice for various applications across different industries.

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