BZX84C30S-7: English Editing Encyclopedia Entry

Introduction

The BZX84C30S-7 is a crucial component in the field of electronics, belonging to the category of voltage regulator diodes. This entry provides an in-depth overview of this product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Voltage Regulator Diodes
• Use: Voltage regulation and protection in electronic circuits
• Characteristics: Low power loss, compact size, high reliability
• Package: SOT-23, SMD (Surface Mount Device)
• Essence: Stabilizing voltage within electronic circuits
• Packaging/Quantity: Typically available in reels of 3000 units

Specifications

• Voltage: 30V
• Power Dissipation: 250mW
• Forward Current: 225mA
• Reverse Leakage Current: 100nA
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The BZX84C30S-7 typically consists of three pins: 1. Anode (A): Connected to the positive terminal of the circuit 2. Cathode (K): Connected to the negative terminal of the circuit 3. No Connection (NC): Not internally connected

Functional Features

• Voltage Regulation: Maintains a stable output voltage despite fluctuations in input voltage
• Overvoltage Protection: Safeguards sensitive components from excessive voltage
• Compact Design: Suitable for space-constrained applications

Advantages and Disadvantages

Advantages

• Low power dissipation
• High reliability
• Compact size

Disadvantages

• Limited current handling capacity
• Susceptible to thermal runaway under certain conditions

Working Principles

The BZX84C30S-7 operates based on the principle of zener diode voltage regulation. When the input voltage exceeds the specified level, the diode conducts, shunting excess current to maintain a constant output voltage.

Detailed Application Field Plans

The BZX84C30S-7 finds extensive use in various electronic applications, including: - Voltage regulation in power supplies - Overvoltage protection in consumer electronics - Signal conditioning in sensor circuits - Voltage reference in analog circuits

Detailed and Complete Alternative Models

Several alternative models can be considered as substitutes for the BZX84C30S-7, including: - BZX84C27-7: Lower voltage rating - BZX84C33-7: Higher voltage rating - BZX84C36-7: Even higher voltage rating

In conclusion, the BZX84C30S-7 plays a pivotal role in ensuring stable voltage regulation and protection in electronic circuits. Its compact design, high reliability, and low power dissipation make it a preferred choice for a wide range of applications.

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