SMA6J85A-TR

Introduction

The SMA6J85A-TR is a diode belonging to the category of TVS (Transient Voltage Suppressor) diodes. These diodes are designed to protect sensitive electronics from voltage transients induced by lightning, electrostatic discharge, and other transient voltage events. The SMA6J85A-TR diode offers unique characteristics and features that make it suitable for a wide range of applications.

Basic Information Overview

• Category: TVS Diode
• Use: Protection against voltage transients
• Characteristics: High surge capability, low clamping voltage
• Package: SMA (DO-214AC)
• Essence: Provides robust protection for sensitive electronics
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Peak Pulse Power: 600W
• Breakdown Voltage: 85V
• Operating Voltage: 69.4V
• Clamping Voltage: 110V
• Peak Pulse Current: 9.2A
• Reverse Standoff Voltage: 85V
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The SMA6J85A-TR diode has two pins, with the anode and cathode terminals clearly marked on the package. The pin configuration is as follows: - Anode (A) - Pin 1 - Cathode (K) - Pin 2

Functional Features

• Transient Voltage Suppression: Effectively clamps transient voltages to a safe level
• Fast Response Time: Rapid reaction to transient events for enhanced protection
• Low Leakage Current: Minimizes power consumption during normal operation
• Robust Construction: Designed to withstand high surge currents and temperatures

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Low clamping voltage
• Robust construction for reliability

Disadvantages

• May exhibit some capacitance which can affect high-frequency signals

Working Principles

The SMA6J85A-TR operates based on the principle of avalanche breakdown. When a transient voltage event occurs, the diode rapidly switches into its low impedance state, diverting the excess current away from the protected circuit. This action effectively limits the voltage across the circuit to a safe level, protecting the sensitive electronics.

Detailed Application Field Plans

The SMA6J85A-TR diode finds application in various fields including: - Telecommunications equipment - Industrial control systems - Automotive electronics - Power supplies - Consumer electronics

Detailed and Complete Alternative Models

• SMA6J85CA-TR: Similar specifications with slightly higher clamping voltage
• SMA6J85CAHR5G: Higher surge capability with similar breakdown voltage
• SMA6J85CATR13: Lower profile package with comparable performance

In conclusion, the SMA6J85A-TR TVS diode offers reliable protection against voltage transients and is well-suited for a diverse range of applications. Its robust construction, fast response time, and low clamping voltage make it an essential component in safeguarding sensitive electronics from transient voltage events.

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