MMSZ5263B-HE3-18

Introduction

The MMSZ5263B-HE3-18 is a semiconductor product belonging to the category of Zener diodes. This component is widely used in electronic circuits for voltage regulation and protection against overvoltage conditions. The MMSZ5263B-HE3-18 possesses specific characteristics, packaging, and quantity details that make it suitable for various applications.

Basic Information Overview

• Category: Zener Diode
• Use: Voltage regulation and overvoltage protection in electronic circuits
• Characteristics: Precise voltage regulation, low leakage current, high reliability
• Package: SOD-123 Package
• Essence: Semiconductor device for voltage regulation
• Packaging/Quantity: Available in tape and reel packaging with quantities varying based on supplier

Specifications

• Voltage - Zener (Nom) (Vz): 18V
• Power - Max: 500mW
• Impedance (Max) (Zzt): 20 Ohm
• Current - Reverse Leakage @ Vr: 100nA @ 13.5V
• Operating Temperature: -65°C ~ 150°C

Detailed Pin Configuration

The MMSZ5263B-HE3-18 Zener diode typically consists of two pins, anode, and cathode. The anode is connected to the positive terminal of the circuit, while the cathode is connected to the negative terminal.

Functional Features

• Voltage Regulation: The MMSZ5263B-HE3-18 maintains a constant voltage across its terminals, providing stability to the circuit.
• Overvoltage Protection: When the input voltage exceeds the specified level, the diode conducts and limits the voltage, protecting the circuit components.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Low leakage current
• High reliability
• Compact size

Disadvantages

• Limited power dissipation capability
• Sensitivity to temperature variations

Working Principles

The MMSZ5263B-HE3-18 operates based on the principle of the Zener breakdown effect. When the voltage across its terminals reaches the Zener voltage, the diode starts conducting in reverse bias, effectively regulating the voltage.

Detailed Application Field Plans

The MMSZ5263B-HE3-18 finds extensive use in various electronic applications, including: - Voltage regulators in power supplies - Overvoltage protection in communication equipment - Signal clamping in audio and video circuits - Voltage reference in precision instruments

Detailed and Complete Alternative Models

• MMSZ5258B-HE3-08: 8V Zener diode with similar characteristics
• MMSZ5221B-HE3-12: 12V Zener diode suitable for comparable applications
• BZX84C18LT1G: SMD Zener diode with 18V rating

In conclusion, the MMSZ5263B-HE3-18 Zener diode serves as a crucial component in electronic circuits, providing precise voltage regulation and overvoltage protection. Its compact size and reliability make it a preferred choice for various applications in the electronics industry.

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