BZW04-33B-E3/73

Introduction

The BZW04-33B-E3/73 is a transient voltage suppressor (TVS) diode designed to protect sensitive electronic components from voltage transients. This entry provides an 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 Overview

• Category: Electronic Components
• Use: Protection against voltage transients in electronic circuits
• Characteristics: Fast response time, low clamping voltage, high surge current capability
• Package: SOD-123FL
• Essence: Safeguarding electronic components from voltage spikes
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Part Number: BZW04-33B-E3/73
• Voltage - Reverse Standoff (Typ): 28.2V
• Voltage - Breakdown: 31.4V
• Clamping Voltage @ Ipp: 45.7V
• Current - Peak Pulse (10/1000µs): 9.2A
• Power - Peak Pulse: 400W
• Type: Zener
• Mounting Type: Surface Mount
• Package / Case: SOD-123FL
• Supplier Device Package: SOD-123FL
• Operating Temperature: -55°C ~ 150°C

Detailed Pin Configuration

The BZW04-33B-E3/73 TVS diode has a standard SOD-123FL package with three pins: Anode, Cathode, and Ground.

Functional Features

• Transient Voltage Suppression: Provides protection by diverting excessive current away from sensitive components during voltage transients.
• Fast Response Time: Reacts quickly to transient events, minimizing the risk of damage to downstream circuitry.
• Low Clamping Voltage: Limits the voltage across the protected circuit to a safe level.

Advantages and Disadvantages

Advantages

• Effective protection against voltage transients
• Fast response time
• Compact surface-mount package

Disadvantages

• Limited power dissipation capability compared to larger TVS diodes
• May require additional circuitry for comprehensive overvoltage protection

Working Principles

The BZW04-33B-E3/73 operates based on the principle of avalanche breakdown. When a voltage transient occurs, the diode rapidly switches into its low impedance state, shunting the excess current to protect the connected circuitry.

Detailed Application Field Plans

The BZW04-33B-E3/73 is commonly used in various electronic systems, including: - Power supplies - Communication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• Alternative Model 1: P6KE33CA
• Alternative Model 2: SMBJ28CA
• Alternative Model 3: 1.5KE33CA

In summary, the BZW04-33B-E3/73 TVS diode offers effective protection against voltage transients in a compact surface-mount package. Its fast response time and low clamping voltage make it suitable for a wide range of applications, although designers should consider its power dissipation limitations and may need to supplement it with additional protective circuitry in high-energy environments.