MMBZ5221B-7

Introduction

The MMBZ5221B-7 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 MMBZ5221B-7.

Basic Information Overview

• Category: Zener Diode
• Use: Voltage regulation and protection in electronic circuits
• Characteristics: Precise voltage regulation, low leakage current, small package size
• Package: SOT-23, SOD-323
• Essence: Semiconductor device for maintaining a stable voltage across a load
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

• Voltage - Zener (Nom) (Vz): 2.7V
• Power - Max: 350mW
• Impedance (Max) (Zzt): 20 Ohm
• Current - Reverse Leakage @ Vr: 100nA
• Operating Temperature: -65°C to 150°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23, SOD-323

Detailed Pin Configuration

The MMBZ5221B-7 typically comes in a SOT-23 or SOD-323 package with three pins: Anode, Cathode, and No Connection (NC).

Functional Features

• Voltage Regulation: Maintains a constant voltage across the load
• Overvoltage Protection: Safeguards sensitive components in the circuit from excessive voltage
• Low Leakage Current: Minimizes power loss in the circuit

Advantages and Disadvantages

• Advantages:
  • Precise voltage regulation
  • Small package size
  • Low leakage current
• Disadvantages:
  • Limited power dissipation capability
  • Vulnerable to thermal runaway under certain conditions

Working Principles

The MMBZ5221B-7 operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

The MMBZ5221B-7 finds applications in various electronic circuits, including: - Voltage regulation in power supplies - Overvoltage protection in communication systems - Signal clamping in audio and video equipment

Detailed and Complete Alternative Models

Some alternative models to the MMBZ5221B-7 include: - BZX84C2V7 - 1N5221B - MM3Z2V7T1G

In conclusion, the MMBZ5221B-7 Zener diode offers precise voltage regulation and overvoltage protection in a compact package, making it suitable for a wide range of electronic applications.

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