SMCJ85ATR - Product Overview and Specifications

Introduction

The SMCJ85ATR is a transient voltage suppressor diode designed to protect electronic circuits from voltage transients. This entry provides an in-depth overview of the product, including its category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category and Use

Category: Transient Voltage Suppressor (TVS) Diode
Use: Protection against voltage transients in electronic circuits

Basic Information Overview

• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SMC (DO-214AB) package
• Essence: Provides robust protection for sensitive electronic components
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage Range: 85V
• Operating Temperature Range: -55°C to +150°C
• Storage Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMCJ85ATR TVS 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: Quickly clamps transient voltages to safe levels
• Low Clamping Voltage: Protects sensitive components by limiting overvoltage
• Fast Response Time: Rapid reaction to transient events ensures minimal impact on the circuit

Advantages and Disadvantages

Advantages: - Effective protection against voltage transients - Fast response time - Low clamping voltage

Disadvantages: - Limited to specific breakdown voltage range - Requires careful consideration of reverse standoff voltage

Working Principles

The SMCJ85ATR operates based on the principle of avalanche breakdown. When a transient voltage spike occurs, the diode rapidly conducts, diverting excess current away from the protected circuit. This action limits the voltage across the circuit, preventing damage to sensitive components.

Detailed Application Field Plans

The SMCJ85ATR is widely used in various applications, including: - Telecommunications: Protection of communication equipment from lightning-induced surges - Automotive Electronics: Safeguarding vehicle electronics from voltage spikes - Industrial Control Systems: Shielding control circuitry from power surges and transients

Detailed and Complete Alternative Models

Several alternative models to the SMCJ85ATR include: - P6SMBJ85A: Similar TVS diode with a different package (DO-214AA) - 1.5SMCJ85CA: TVS diode with a higher peak pulse power rating - SMCJ85A: Equivalent TVS diode in a bidirectional configuration

In conclusion, the SMCJ85ATR transient voltage suppressor diode offers effective protection against voltage transients in electronic circuits. Its fast response time, low clamping voltage, and high surge current capability make it a valuable component in various applications, ensuring the reliability and longevity of sensitive electronic systems.

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