BZX55C4V3-TAP Encyclopedia Entry

Product Overview

Category

The BZX55C4V3-TAP belongs to the category of Zener diodes, which are semiconductor devices designed to maintain a specific voltage across their terminals.

Use

This product is commonly used in electronic circuits for voltage regulation and protection against voltage spikes.

Characteristics

• Zener voltage: 4.3V
• Power dissipation: 500mW
• Package type: DO-35
• Operating temperature range: -65°C to +200°C
• Tolerance: ±5%

Packaging/Quantity

The BZX55C4V3-TAP is typically available in reels or bulk packaging, with quantities varying based on supplier specifications.

Specifications

• Zener voltage: 4.3V
• Power dissipation: 500mW
• Maximum forward voltage: 1.1V
• Reverse current: 5μA
• Temperature coefficient: 0.07%/°C

Detailed Pin Configuration

The BZX55C4V3-TAP has two pins and follows the standard pin configuration for DO-35 package diodes.

Functional Features

• Voltage regulation: The Zener diode maintains a constant voltage across its terminals, making it suitable for voltage regulation applications.
• Overvoltage protection: It provides protection against voltage spikes by conducting when the voltage exceeds its breakdown voltage.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Compact size
• Fast response to voltage variations

Disadvantages

• Limited power dissipation capability
• Sensitivity to temperature changes

Working Principles

The BZX55C4V3-TAP operates based on the principle of the Zener effect, where it begins to conduct in the reverse direction once the voltage across its terminals reaches the specified Zener voltage.

Detailed Application Field Plans

Voltage Regulation

The BZX55C4V3-TAP can be used in various electronic circuits requiring stable voltage levels, such as power supplies, voltage references, and signal conditioning circuits.

Overvoltage Protection

In applications where sensitive components need protection from voltage spikes, the BZX55C4V3-TAP can be employed to shunt excess voltage away from the circuit.

Detailed and Complete Alternative Models

• BZX55C3V9-TAP: Zener voltage of 3.9V
• BZX55C4V7-TAP: Zener voltage of 4.7V
• BZX55C5V1-TAP: Zener voltage of 5.1V

In conclusion, the BZX55C4V3-TAP Zener diode offers precise voltage regulation and overvoltage protection, making it a versatile component in various electronic applications.

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