SMAJ20HE3/5A - Product Overview

Introduction

The SMAJ20HE3/5A is a diode belonging to the category of transient voltage suppressors (TVS). It is commonly used for protecting sensitive electronic components from voltage spikes and transients. 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 SMAJ20HE3/5A.

Basic Information Overview

• Category: Transient Voltage Suppressor (TVS)
• Use: Protection against voltage spikes and transients
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: DO-214AC (SMA), SMC package
• Essence: Silicon TVS Diode
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Part Number: SMAJ20HE3/5A
• Voltage - Reverse Standoff (Typ): 20V
• Voltage - Breakdown (Min): 22.2V
• Voltage - Clamping (Max) @ Ipp: 32.4V
• Current - Peak Pulse (10/1000µs): 17.1A
• Power - Peak Pulse: 400W
• Type: Zener

Detailed Pin Configuration

The SMAJ20HE3/5A has two pins: 1. Anode (A) 2. Cathode (K)

Functional Features

• Fast response time
• Low clamping voltage
• High surge current capability
• RoHS compliant

Advantages and Disadvantages

Advantages

• Effective protection against voltage spikes
• Fast response time
• RoHS compliant

Disadvantages

• Limited power dissipation capability
• May require additional circuitry for comprehensive protection

Working Principles

The SMAJ20HE3/5A operates by diverting excessive voltage and current away from sensitive electronic components when a transient event occurs. It achieves this by rapidly switching into a low impedance state, effectively clamping the voltage to a safe level.

Detailed Application Field Plans

The SMAJ20HE3/5A is widely used in various applications including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SMAJ20HE3/5A include: - P6KE20CA - 1.5KE20A - SMBJ20A

In conclusion, the SMAJ20HE3/5A is a vital component in safeguarding electronic circuits from voltage transients and spikes. Its fast response time, low clamping voltage, and high surge current capability make it an essential part of many electronic systems.

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