MMSZ5243B-HE3-18

Product Overview

Category

The MMSZ5243B-HE3-18 belongs to the category of Zener diodes, which are semiconductor devices designed to maintain a fixed voltage across their terminals.

Use

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

Characteristics

• Voltage Regulation: The MMSZ5243B-HE3-18 provides stable voltage regulation, making it suitable for use in precision electronic applications.
• Small Size: This diode comes in a small package, making it ideal for compact circuit designs.
• High Reliability: With its robust construction, this diode offers high reliability in different operating conditions.

Package

The MMSZ5243B-HE3-18 is typically available in a surface-mount package, allowing for easy integration into printed circuit boards (PCBs).

Essence

This Zener diode serves as a crucial component in electronic circuits, ensuring consistent voltage levels for proper operation of connected devices.

Packaging/Quantity

The MMSZ5243B-HE3-18 is commonly supplied in reels or tape and reel packaging, with quantities varying based on manufacturer specifications.

Specifications

• Voltage: 18V
• Power Dissipation: 500mW
• Zener Voltage Tolerance: ±5%
• Operating Temperature Range: -65°C to +150°C
• Forward Voltage: 1.2V
• Reverse Leakage Current: 5μA

Detailed Pin Configuration

The MMSZ5243B-HE3-18 features a standard SOD-123 surface-mount package with two pins. The pinout configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Voltage Regulation: The diode maintains a constant voltage drop across its terminals, providing stability in electronic circuits.
• Overvoltage Protection: It helps protect sensitive components by diverting excess voltage away from them.

Advantages and Disadvantages

Advantages

• Precise Voltage Regulation
• Compact Size
• High Reliability
• Overvoltage Protection

Disadvantages

• Limited Power Dissipation Capability
• Voltage Tolerance Variation

Working Principles

The MMSZ5243B-HE3-18 operates based on the Zener effect, where it begins conducting current in reverse bias once the voltage across its terminals reaches the specified Zener voltage. This characteristic allows it to regulate voltage in electronic circuits.

Detailed Application Field Plans

The MMSZ5243B-HE3-18 finds extensive use in various applications, including: - Voltage Regulation in Power Supplies - Overvoltage Protection in Communication Systems - Signal Clipping in Audio Circuits - Voltage Reference in Precision Instrumentation

Detailed and Complete Alternative Models

• MMSZ5239B-HE3-15: 15V Zener Diode
• MMSZ5256B-HE3-24: 24V Zener Diode
• BZX84C18LT1G: 18V Zener Diode in SOT-23 Package
• 1N4744A: 15V Zener Diode in Axial Package

In conclusion, the MMSZ5243B-HE3-18 Zener diode offers precise voltage regulation and overvoltage protection in a compact and reliable package, making it an essential component in various electronic circuits.

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