BZX384B12-HE3-18

Introduction

The BZX384B12-HE3-18 is a voltage regulator diode that belongs to the category of semiconductor devices. It is commonly used in electronic circuits to regulate voltage and protect sensitive components from overvoltage conditions. 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 BZX384B12-HE3-18.

Basic Information Overview

Category: Semiconductor Devices
Use: Voltage Regulation and Overvoltage Protection
Characteristics: Low Leakage Current, High Stability, Reverse Voltage Protection
Package: SOD-323
Essence: Voltage Regulation
Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

Voltage Rating: 12V
Power Dissipation: 250mW
Forward Voltage Drop: 1V
Reverse Leakage Current: 5μA
Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The BZX384B12-HE3-18 has three pins arranged in the SOD-323 package: 1. Pin 1: Anode 2. Pin 2: Not Connected 3. Pin 3: Cathode

Functional Features

Voltage Regulation: Maintains a constant output voltage despite variations in input voltage or load current.
Overvoltage Protection: Safeguards downstream components by clamping the voltage during transient overvoltage events.

Advantages and Disadvantages

Advantages

Compact Size: The SOD-323 package offers space-saving benefits.
Low Leakage Current: Ensures minimal power loss in standby mode.

Disadvantages

Limited Power Dissipation: Not suitable for high-power applications.
Voltage Drop: Exhibits a forward voltage drop that may affect efficiency in some designs.

Working Principles

The BZX384B12-HE3-18 operates based on the principle of Zener diode voltage regulation. When the input voltage exceeds the specified level, the diode conducts, diverting excess current and maintaining a constant output voltage.

Detailed Application Field Plans

The BZX384B12-HE3-18 finds extensive use in various electronic applications, including: - Voltage Regulation in Power Supplies - Overvoltage Protection in Communication Systems - Signal Clamping in Audio Circuits

Detailed and Complete Alternative Models

Several alternative models with similar characteristics to the BZX384B12-HE3-18 include: - BZX384B15-HE3-18 - BZX384B10-HE3-18 - BZX384B13-HE3-18

In summary, the BZX384B12-HE3-18 is a vital component in electronic circuits, providing voltage regulation and overvoltage protection. Its compact size, low leakage current, and stable performance make it suitable for a wide range of applications, while alternative models offer flexibility in design choices.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BZX384B12-HE3-18 v technických řešeních

What is the BZX384B12-HE3-18?
- The BZX384B12-HE3-18 is a 12V Zener diode designed for voltage regulation and protection in various electronic circuits.
What are the key features of the BZX384B12-HE3-18?
- The key features include a 12V breakdown voltage, low leakage current, and a small surface-mount package for easy integration into circuit designs.
How is the BZX384B12-HE3-18 typically used in technical solutions?
- It is commonly used for voltage regulation, overvoltage protection, and as a reference voltage source in various electronic applications.
What are the typical applications of the BZX384B12-HE3-18?
- Typical applications include power supplies, voltage regulators, instrumentation, and automotive electronics where precise voltage control is required.
What are the electrical characteristics of the BZX384B12-HE3-18?
- The electrical characteristics include a maximum reverse leakage current of 5µA, a maximum dynamic impedance of 40Ω, and a power dissipation of 500mW.
How does the BZX384B12-HE3-18 compare to similar Zener diodes?
- Compared to similar Zener diodes, the BZX384B12-HE3-18 offers a higher breakdown voltage and lower leakage current, making it suitable for more demanding applications.
What are the recommended operating conditions for the BZX384B12-HE3-18?
- The recommended operating conditions include a maximum forward current of 20mA, an operating temperature range of -65°C to 150°C, and proper heat sinking if necessary.
Can the BZX384B12-HE3-18 be used in automotive applications?
- Yes, the BZX384B12-HE3-18 is suitable for automotive applications where reliable voltage regulation and protection are essential.
Are there any specific layout considerations when using the BZX384B12-HE3-18 in a circuit?
- It is important to minimize trace lengths and keep the Zener diode close to the load to reduce noise and maintain stability in the circuit.
Where can I find detailed specifications and application notes for the BZX384B12-HE3-18?
- Detailed specifications and application notes can be found in the product datasheet provided by the manufacturer or on their official website.