BZW04-78HE3/54

Introduction

The BZW04-78HE3/54 is a transient voltage suppressor diode designed to protect sensitive electronic equipment from voltage transients induced by lightning, inductive load switching, and electrostatic discharge. This entry provides an overview of the product, including its category, use, characteristics, packaging, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Transient Voltage Suppressor (TVS) Diode
• Use: Protection against voltage transients induced by lightning, inductive load switching, and electrostatic discharge
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: DO-214AC (SMA), SMC package
• Essence: Provides robust protection for sensitive electronic circuits
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Part Number: BZW04-78HE3/54
• Peak Pulse Power: 400W
• Breakdown Voltage: 78V
• Operating Voltage: 64.1V
• Clamping Voltage: 103V
• Peak Pulse Current: 6.5A
• Operating Temperature Range: -55°C to +175°C

Detailed Pin Configuration

The BZW04-78HE3/54 TVS diode has a standard DO-214AC (SMA) or SMC package with two pins. Pin 1 is the cathode, and pin 2 is the anode.

Functional Features

• Fast response time to clamp transient voltages
• Low clamping voltage to protect downstream components
• High surge current capability for robust transient protection

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Low clamping voltage
• Compact package size

Disadvantages

• Limited peak pulse power handling compared to larger TVS diodes
• May require additional circuitry for comprehensive transient protection in high-energy environments

Working Principles

When a transient voltage spike occurs, the BZW04-78HE3/54 TVS diode rapidly conducts, diverting the excess energy away from the protected circuit. This action clamps the transient voltage to a safe level, protecting downstream components from damage.

Detailed Application Field Plans

The BZW04-78HE3/54 is commonly used in various applications, including: - Consumer electronics - Telecommunications equipment - Industrial automation systems - Automotive electronics - Power supplies

Detailed and Complete Alternative Models

• Alternative Model 1: P6KE68CA TVS Diode
• Alternative Model 2: 1.5KE82A TVS Diode
• Alternative Model 3: SMAJ75A TVS Diode
• Alternative Model 4: SMCJ70A TVS Diode
• Alternative Model 5: 5KP64A TVS Diode

In summary, the BZW04-78HE3/54 TVS diode offers effective transient voltage protection with its fast response time, low clamping voltage, and high surge current capability. It finds widespread use in diverse electronic applications and is available in alternative models for specific design requirements.

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