MMSZ4688-HE3-18

Introduction

The MMSZ4688-HE3-18 is a semiconductor product belonging to the category of Zener diodes. 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 MMSZ4688-HE3-18.

Basic Information Overview

• Category: Zener Diode
• Use: Voltage regulation and protection in electronic circuits
• Characteristics: Low leakage current, precise voltage regulation, small form factor
• Package: SOD-123
• Essence: Voltage stabilization and transient voltage suppression
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Voltage - Zener (Nom) (Vz): 18V
• Power - Max: 500mW
• Impedance (Max) (Zzt): 40 Ohm
• Current - Reverse Leakage @ Vr: 100nA @ 12V
• Tolerance: ±5%
• Operating Temperature: -65°C ~ 150°C

Detailed Pin Configuration

The MMSZ4688-HE3-18 Zener diode 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

• Precise voltage regulation under reverse bias conditions
• Low impedance at operating voltage
• Protection against voltage transients and ESD events
• Compact size for space-constrained applications

Advantages and Disadvantages

Advantages

• Accurate voltage regulation
• Low leakage current
• Small form factor
• Robust transient voltage suppression capability

Disadvantages

• Limited power dissipation capability
• Sensitivity to temperature variations

Working Principles

The MMSZ4688-HE3-18 operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased. This allows it to regulate voltage within a circuit and protect sensitive components from voltage spikes.

Detailed Application Field Plans

The MMSZ4688-HE3-18 finds extensive use in various electronic circuits, including: - Voltage regulation in power supplies - Overvoltage protection in communication systems - Surge suppression in automotive electronics - Voltage reference in instrumentation circuits

Detailed and Complete Alternative Models

Some alternative models to the MMSZ4688-HE3-18 include: - BZX84C18 - 1N4746A - MM3Z18VT1G - BZT52C18S-7-F

In summary, the MMSZ4688-HE3-18 Zener diode offers precise voltage regulation and transient voltage suppression in a compact package, making it suitable for a wide range of electronic applications.

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