MMBZ5256ELT1G

Introduction

The MMBZ5256ELT1G is a zener diode that belongs to the category of semiconductor devices. It is commonly used for voltage regulation and protection in electronic circuits. This entry provides an overview of the MMBZ5256ELT1G, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Semiconductor Devices
• Use: Voltage regulation and protection
• Characteristics: Zener diode, low leakage current, high reliability
• Package: SOT-23
• Essence: Voltage stabilization
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Voltage - Zener (Nom) (Vz): 27V
• Power - Max: 350mW
• Impedance (Max) (Zzt): 20 Ohm
• Current - Reverse Leakage @ Vr: 100nA
• Operating Temperature: -65°C ~ 150°C

Detailed Pin Configuration

The MMBZ5256ELT1G has three pins: Anode, Cathode, and No Connection (NC). - Anode (A): Connects to the positive terminal of the circuit. - Cathode (K): Connects to the negative terminal of the circuit. - No Connection (NC): Not internally connected.

Functional Features

• Voltage Regulation: Provides a stable output voltage under varying load conditions.
• Overvoltage Protection: Safeguards sensitive components by limiting the voltage across them.
• Low Leakage Current: Minimizes power loss and enhances efficiency.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• High reliability and stability
• Compact SOT-23 package
• Low leakage current

Disadvantages

• Limited power dissipation capability
• Susceptible to thermal runaway at high currents

Working Principles

The MMBZ5256ELT1G operates based on the reverse breakdown of the PN junction when a specific voltage is applied in the reverse bias condition. This causes the diode to conduct current and maintain a constant voltage drop across it, effectively regulating the output voltage.

Detailed Application Field Plans

The MMBZ5256ELT1G is widely used in various applications, including: - Voltage regulation in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting - Voltage reference circuits

Detailed and Complete Alternative Models

Some alternative models to the MMBZ5256ELT1G include: - BZX84C27LT1G - MMSZ5256BT1G - BZT52C27S-7-F

In conclusion, the MMBZ5256ELT1G zener diode offers precise voltage regulation and overvoltage protection in a compact SOT-23 package. While it has limitations in power dissipation, its low leakage current and high reliability make it suitable for various electronic applications.

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