BZX85C3V3-TR: Product Overview and Detailed Information

Introduction

The BZX85C3V3-TR is a diode belonging to the category of Zener diodes. It is commonly used in electronic circuits for voltage regulation and protection against voltage spikes. 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 BZX85C3V3-TR.

Basic Information Overview

• Category: Zener Diode
• Use: Voltage regulation, voltage spike protection
• Characteristics: Reverse breakdown voltage of 3.3V, low leakage current, high reliability
• Package: Axial leaded, DO-41 package
• Essence: Semiconductor diode
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by supplier

Specifications

• Reverse Breakdown Voltage (Vz): 3.3V
• Power Dissipation (Pd): 1.3W
• Forward Voltage (Vf): 1.2V
• Operating Temperature Range: -65°C to +200°C
• Zener Impedance (ZZ): 5Ω
• Maximum Reverse Leakage Current (Ir): 5μA

Detailed Pin Configuration

The BZX85C3V3-TR has a standard axial leaded package with two leads. The cathode is denoted by a black band on the body of the diode.

Functional Features

• Voltage Regulation: The diode maintains a constant voltage of 3.3V across its terminals when operated in the reverse breakdown region.
• Voltage Spike Protection: It acts as a shunt regulator, diverting excess current away from sensitive components in the circuit.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Low leakage current
• High reliability
• Compact size

Disadvantages

• Limited power dissipation capability
• Sensitive to temperature variations

Working Principles

The BZX85C3V3-TR operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased. This allows it to regulate the voltage in a circuit and protect sensitive components from voltage spikes.

Detailed Application Field Plans

The BZX85C3V3-TR finds extensive use in various electronic applications, including: - Voltage regulators in power supplies - Overvoltage protection in consumer electronics - Signal clamping in communication systems - Voltage reference in precision instruments

Detailed and Complete Alternative Models

Some alternative models to the BZX85C3V3-TR include: - 1N4728A: 3.3V Zener diode - BZT52C3V3S: 3.3V surface mount Zener diode - MMBZ5232B: 3.3V Zener diode in SOT-23 package

In conclusion, the BZX85C3V3-TR Zener diode offers precise voltage regulation and voltage spike protection in electronic circuits. Its compact size and high reliability make it suitable for a wide range of applications.

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