MMBZ5257B-TP

Introduction

The MMBZ5257B-TP is a diode belonging to the category of Zener diodes. It is commonly used for voltage regulation and transient suppression in various electronic circuits. This diode exhibits specific characteristics, comes in a standard package, and is widely utilized across different applications.

Basic Information Overview

• Category: Zener Diode
• Use: Voltage regulation, transient suppression
• Characteristics: Sharp breakdown voltage, low leakage current
• Package: SOD-123
• Essence: Regulating voltage in electronic circuits
• Packaging/Quantity: Typically available in reels of 3000 units

Specifications

• Voltage Range: 27V
• Power Dissipation: 350mW
• Operating Temperature: -65°C to +150°C
• Zener Impedance: 20Ω
• Maximum Reverse Leakage Current: 100nA

Detailed Pin Configuration

The MMBZ5257B-TP has three pins: anode, cathode, and no connection (NC). The anode is connected to the positive terminal, the cathode to the negative terminal, and the NC pin is left unconnected.

Functional Features

• Voltage Regulation: Maintains a constant voltage across the diode
• Transient Suppression: Protects sensitive components from voltage spikes
• Low Leakage Current: Minimizes power loss in the circuit

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Compact size
• Low leakage current

Disadvantages

• Limited power dissipation capability
• Susceptible to thermal runaway under high power conditions

Working Principles

The MMBZ5257B-TP operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at the specified breakdown voltage.

Detailed Application Field Plans

This diode finds extensive use in various applications, including: - Voltage regulators in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting circuits

Detailed and Complete Alternative Models

Some alternative models to the MMBZ5257B-TP include: - BZX84C27 - 1N5229B - MM3Z27VB

In conclusion, the MMBZ5257B-TP Zener diode offers precise voltage regulation and transient suppression capabilities, making it a crucial component in many electronic circuits.

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