Diodes Incorporated
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MMSZ5256B-7
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MMSZ5256B-7

Product Overview

Category

The MMSZ5256B-7 belongs to the category of Zener diodes, which are semiconductor devices designed to maintain a fixed voltage across their terminals.

Use

This product is commonly used in electronic circuits for voltage regulation and protection against voltage spikes.

Characteristics

  • Voltage Regulation: The MMSZ5256B-7 provides stable voltage regulation under varying load conditions.
  • Reverse Breakdown Voltage: It has a reverse breakdown voltage of 27V, making it suitable for applications requiring this specific voltage level.
  • Small Package: This diode comes in a small surface-mount package, making it suitable for compact circuit designs.
  • Low Leakage Current: It exhibits low leakage current, ensuring minimal power loss in the circuit.

Package

The MMSZ5256B-7 is typically available in a SOD-123 package, which is a small outline diode package.

Packaging/Quantity

It is commonly packaged in reels containing a quantity of 3000 units per reel.

Specifications

  • Part Number: MMSZ5256B-7
  • Voltage: 27V
  • Power Dissipation: 500mW
  • Forward Voltage: 1.2V
  • Operating Temperature Range: -65°C to +150°C

Detailed Pin Configuration

The MMSZ5256B-7 has two pins, with the cathode marked by a bar near it.

Functional Features

  • Voltage Regulation: Maintains a constant voltage across its terminals, providing stability in the circuit.
  • Overvoltage Protection: Safeguards sensitive components in the circuit by limiting the voltage across them.
  • Compact Design: Its small package allows for space-efficient circuit layouts.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Compact size
  • Low leakage current

Disadvantages

  • Limited to specific voltage requirements
  • Susceptible to thermal drift at high temperatures

Working Principles

The MMSZ5256B-7 operates based on the principle of the Zener effect, where it maintains a nearly constant voltage drop across its terminals when reverse biased.

Detailed Application Field Plans

Voltage Regulation

This diode can be used in various electronic devices such as power supplies, voltage regulators, and battery charging circuits to ensure stable voltage output.

Overvoltage Protection

In electronic systems, the MMSZ5256B-7 can be employed to protect sensitive components from damage due to voltage spikes or transients.

Detailed and Complete Alternative Models

  • MMSZ5257B-7: Similar specifications with a slightly higher reverse breakdown voltage of 30V.
  • MMSZ5255B-7: Lower reverse breakdown voltage of 24V, suitable for applications requiring a lower voltage threshold.

In conclusion, the MMSZ5256B-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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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de MMSZ5256B-7 en soluciones técnicas

  1. What is the maximum power dissipation of MMSZ5256B-7?

    • The maximum power dissipation of MMSZ5256B-7 is 350mW.

  2. What is the reverse standoff voltage of MMSZ5256B-7?

    • The reverse standoff voltage of MMSZ5256B-7 is 30V.

  3. What is the forward voltage drop of MMSZ5256B-7?

    • The forward voltage drop of MMSZ5256B-7 is typically 0.9V at 10mA.

  4. What is the peak pulse power of MMSZ5256B-7?

    • The peak pulse power of MMSZ5256B-7 is 40W for a 1ms pulse.

  5. What is the operating temperature range of MMSZ5256B-7?

    • The operating temperature range of MMSZ5256B-7 is -55°C to +150°C.

  6. What is the package type of MMSZ5256B-7?

    • MMSZ5256B-7 comes in a SOD-123 package.

  7. What is the reverse leakage current of MMSZ5256B-7 at its maximum working voltage?

    • The reverse leakage current of MMSZ5256B-7 at its maximum working voltage is typically 5µA.

  8. Is MMSZ5256B-7 RoHS compliant?

    • Yes, MMSZ5256B-7 is RoHS compliant.

  9. Can MMSZ5256B-7 be used for overvoltage protection in automotive applications?

    • Yes, MMSZ5256B-7 is suitable for overvoltage protection in automotive applications.

  10. What are some typical applications for MMSZ5256B-7?

    • Some typical applications for MMSZ5256B-7 include overvoltage protection, reverse polarity protection, and general purpose voltage clamping.