BZX84-B4V7/LF1R

Product Overview

The BZX84-B4V7/LF1R belongs to the category of Zener diodes and is commonly used for voltage regulation and protection in electronic circuits. These diodes exhibit characteristics such as precise voltage regulation, low leakage current, and high reliability. They are typically packaged in a small surface-mount package and are available in tape and reel packaging with a specific quantity per reel.

Specifications

• Voltage: 4.7V
• Power Dissipation: 250mW
• Operating Temperature Range: -65°C to +150°C
• Package Type: SOT-23

Detailed Pin Configuration

The BZX84-B4V7/LF1R Zener diode has three pins: anode, cathode, and no connection (NC). The anode is connected to the positive terminal, the cathode to the negative terminal, and the NC pin is left unconnected.

Functional Features

• Precise voltage regulation at 4.7V
• Low leakage current for minimal power loss
• High reliability and stability over a wide temperature range

Advantages and Disadvantages

Advantages

• Provides stable voltage regulation
• Small form factor for space-constrained applications
• Low power dissipation

Disadvantages

• Limited power dissipation capability
• Sensitive to reverse voltage and current spikes

Working Principles

The BZX84-B4V7/LF1R Zener diode operates based on the principle of the Zener effect, which allows it to maintain a constant voltage across its terminals when operated in the reverse-biased breakdown region. This enables it to regulate the voltage in electronic circuits and protect sensitive components from voltage spikes.

Detailed Application Field Plans

The BZX84-B4V7/LF1R Zener diode finds extensive use in various electronic applications, including: - Voltage regulation in power supplies - Overvoltage protection in communication systems - Signal clamping in audio and video circuits - Voltage reference in precision measurement equipment

Detailed and Complete Alternative Models

Some alternative models to the BZX84-B4V7/LF1R Zener diode include: - BZX84-C4V7: Similar voltage rating with different package type - BZT52C4V7S-7-F: Higher power dissipation capability with the same voltage rating - MMBZ5242B: Lower voltage rating with similar characteristics

In conclusion, the BZX84-B4V7/LF1R Zener diode is a crucial component in electronic circuits, providing precise voltage regulation and protection. Its compact size and reliable performance make it suitable for a wide range of applications, although its limitations should be considered when designing circuits. Additionally, there are alternative models available to suit specific application requirements.