SMAJ70CA-M3/5A

Introduction

The SMAJ70CA-M3/5A is a diode belonging to the category of transient voltage suppressors (TVS). It is commonly used for protecting sensitive electronic devices from voltage transients induced by lightning, electrostatic discharge (ESD), and other transient voltage events. This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models of the SMAJ70CA-M3/5A diode.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage transients induced by lightning, ESD, and other transient voltage events
• Characteristics: Fast response time, low clamping voltage, high surge capability
• Package: DO-214AC (SMA), SMC package
• Essence: Silicon junction diode with avalanche breakdown mechanism
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Peak Pulse Power: 400W
• Breakdown Voltage: 77.8V to 86.7V
• Operating Temperature Range: -55°C to +150°C
• Forward Voltage Drop: 0.9V at 1A
• Reverse Standoff Voltage: 70V
• Maximum Reverse Leakage Current: 1μA at 25°C

Detailed Pin Configuration

The SMAJ70CA-M3/5A diode has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

• Rapid response to transient voltage events
• Low clamping voltage to protect downstream components
• High surge capability for reliable protection

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact size for easy integration into circuit designs

Disadvantages

• Limited maximum power dissipation
• May require additional circuitry for comprehensive protection in high-risk environments

Working Principles

The SMAJ70CA-M3/5A diode operates based on the principle of avalanche breakdown. When a transient voltage event 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 SMAJ70CA-M3/5A diode finds extensive use in various applications, including: - Consumer electronics - Telecommunication equipment - Industrial automation systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the SMAJ70CA-M3/5A diode include: - P6SMBJ70CA - 1.5SMCJ70CA - SMBJ70CA

In conclusion, the SMAJ70CA-M3/5A diode serves as a crucial component in safeguarding electronic circuits from transient voltage events. Its fast response time, low clamping voltage, and high surge capability make it an essential choice for diverse applications requiring robust transient voltage protection.

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