MMBZ5253C-HE3-18

Introduction

The MMBZ5253C-HE3-18 is a semiconductor product belonging to the category of Zener diodes. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Zener Diode
• Use: Voltage regulation and protection in electronic circuits
• Characteristics: Low leakage current, precise voltage regulation, small package size
• Package: SOT-23
• Essence: Semiconductor material with specific doping to create a sharp breakdown voltage
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Voltage Range: 18V
• Power Dissipation: 350mW
• Operating Temperature Range: -65°C to +150°C
• Zener Impedance: 20Ω
• Maximum Reverse Leakage Current: 100nA

Detailed Pin Configuration

The MMBZ5253C-HE3-18 typically has three pins: Anode, Cathode, and No Connection (NC). The pinout configuration is as follows: - Anode (A) - Pin 1 - Cathode (K) - Pin 2 - No Connection (NC) - Pin 3

Functional Features

• Voltage Regulation: Maintains a constant voltage across the diode under specified conditions
• Overvoltage Protection: Safeguards sensitive components in a circuit by diverting excess voltage
• Stability: Provides stable voltage output even with variations in input voltage or load

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Small form factor
• Low leakage current

Disadvantages

• Limited power dissipation capability
• Susceptible to damage from overcurrent conditions

Working Principles

The MMBZ5253C-HE3-18 operates based on the principle of the Zener effect, where a heavily doped semiconductor junction allows current to flow in reverse bias once the breakdown voltage is reached. This characteristic makes it suitable for voltage regulation and protection applications.

Detailed Application Field Plans

The MMBZ5253C-HE3-18 finds extensive use in various electronic circuits, including: - Voltage regulators in power supplies - Overvoltage protection in communication equipment - Signal clamping and limiting circuits

Detailed and Complete Alternative Models

Some alternative models to the MMBZ5253C-HE3-18 include: - BZX84C18 - 1N4746A - MM3Z18VT1G

In summary, the MMBZ5253C-HE3-18 Zener diode offers precise voltage regulation and overvoltage protection in a compact package, making it suitable for diverse electronic applications.

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