MMSZ4687-HE3-18

Introduction

The MMSZ4687-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 MMSZ4687-HE3-18 possesses specific characteristics, packaging, and functional features that make it suitable for various applications in the electronics industry.

Basic Information Overview

• Category: Zener Diode
• Use: Voltage regulation and overvoltage protection in electronic circuits
• Characteristics: Low leakage current, precise voltage regulation, small form factor
• Package: SOD-123 Package
• Essence: Semiconductor material with a specific reverse breakdown voltage
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Voltage Range: 2.4V to 75V
• Power Dissipation: 500mW
• Operating Temperature Range: -65°C to +150°C
• Zener Voltage Tolerance: ±5%
• Maximum Reverse Leakage Current: 5μA

Detailed Pin Configuration

The MMSZ4687-HE3-18 Zener diode has a standard SOD-123 package with two pins. The pin configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

• Precise Voltage Regulation: The MMSZ4687-HE3-18 maintains a constant voltage across its terminals, providing stability in electronic circuits.
• Overvoltage Protection: When the voltage exceeds the specified value, the diode conducts, diverting excess current and protecting the circuitry.

Advantages and Disadvantages

Advantages

• Small Form Factor: The compact size of the diode allows for space-efficient circuit designs.
• Low Leakage Current: Ensures minimal power loss in standby or off-state conditions.

Disadvantages

• Voltage Limitation: The diode can only regulate voltages within its specified range.
• Thermal Considerations: High operating temperatures may affect the performance of the diode.

Working Principles

The MMSZ4687-HE3-18 operates based on the principle of the Zener effect. When the voltage across its terminals reaches the specified Zener voltage, the diode enters a state of controlled breakdown, allowing current to flow in the reverse direction. This characteristic makes it suitable for voltage regulation and protection in electronic circuits.

Detailed Application Field Plans

The MMSZ4687-HE3-18 finds extensive use in various electronic applications, including: - Voltage Regulation in Power Supplies - Overvoltage Protection in Communication Systems - Signal Clipping in Audio Circuits - Voltage Reference in Instrumentation

Detailed and Complete Alternative Models

Several alternative models to the MMSZ4687-HE3-18 include: - 1N4728A - BZX55C2V4 - 1N5226B - BZT52C2V4

In conclusion, the MMSZ4687-HE3-18 Zener diode offers precise voltage regulation and overvoltage protection in a compact package, making it an essential component in modern electronic circuits.

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