ON Semiconductor
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
MMSZ5257B
詳細を表示 DataSheets

MMSZ5257B

Introduction

The MMSZ5257B 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 MMSZ5257B, 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 device (Zener diode)
  • Use: Voltage regulation and protection in electronic circuits
  • Characteristics: Low leakage current, precise voltage regulation, small package size
  • Package: SOD-123 package
  • Essence: Zener diode for voltage regulation
  • Packaging/Quantity: Typically available in reels of 3000 units

Specifications

  • Voltage Range: 27V
  • Power Dissipation: 500mW
  • Operating Temperature: -65°C to +150°C
  • Zener Impedance: 20Ω
  • Maximum Reverse Leakage Current: 100nA

Detailed Pin Configuration

The MMSZ5257B zener diode has a standard SOD-123 package with two pins. The pinout configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Precise voltage regulation at 27V
  • Low reverse leakage current
  • Fast response time to voltage variations
  • Small form factor for space-constrained applications

Advantages and Disadvantages

Advantages

  • Accurate voltage regulation
  • Compact package size
  • Low reverse leakage current
  • Fast response time

Disadvantages

  • Limited power dissipation capability
  • Vulnerable to overvoltage conditions

Working Principles

The MMSZ5257B operates based on the principle of the Zener effect, where it maintains a constant voltage drop across its terminals when reverse-biased. This allows it to regulate the voltage in a circuit and protect sensitive components from overvoltage conditions.

Detailed Application Field Plans

The MMSZ5257B is widely used in various electronic circuits and systems, including but not limited to: - Voltage regulators - Power supplies - Overvoltage protection circuits - Signal conditioning circuits - Sensor interfaces

Detailed and Complete Alternative Models

Some alternative models to the MMSZ5257B zener diode include: - BZX84C27 - 1N5229B - MM3Z27VT1G - BZT52C27S

In conclusion, the MMSZ5257B zener diode is a reliable component for voltage regulation and protection in electronic circuits. Its precise characteristics, compact package, and functional features make it suitable for a wide range of applications.

[Word count: 398]

技術ソリューションにおける MMSZ5257B の適用に関連する 10 件の一般的な質問と回答をリストします。

  1. What is the MMSZ5257B?

    • The MMSZ5257B is a Zener diode with a voltage of 27V and a power dissipation of 500mW.

  2. What are the typical applications of MMSZ5257B?

    • It is commonly used in voltage regulation, overvoltage protection, and signal clamping in various electronic circuits.

  3. What is the maximum current that MMSZ5257B can handle?

    • The maximum current for MMSZ5257B is typically around 20mA.

  4. How does MMSZ5257B provide overvoltage protection?

    • When the voltage across the diode exceeds its breakdown voltage (27V), it conducts and limits the voltage to protect the circuitry.

  5. Can MMSZ5257B be used in reverse bias?

    • Yes, MMSZ5257B can be used in reverse bias for voltage regulation and protection purposes.

  6. What is the temperature range for MMSZ5257B?

    • The operating temperature range for MMSZ5257B is usually -65°C to +150°C.

  7. Is MMSZ5257B suitable for high-frequency applications?

    • Yes, MMSZ5257B is suitable for high-frequency applications due to its fast response time.

  8. What are the package options available for MMSZ5257B?

    • MMSZ5257B is available in various surface mount packages such as SOD-123, SOD-323, and SOD-523.

  9. Does MMSZ5257B require any external components for operation?

    • Generally, MMSZ5257B does not require any external components for basic voltage regulation or overvoltage protection.

  10. Are there any specific layout considerations when using MMSZ5257B?

    • It is important to minimize the length of traces between the MMSZ5257B and the circuit it is protecting to reduce parasitic inductance and maintain its effectiveness.