ON Semiconductor
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MMBZ5244B
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MMBZ5244B

Introduction

The MMBZ5244B is a diode belonging to the category of Zener diodes. It is commonly used for voltage regulation and protection in various electronic circuits. This entry provides an overview of the MMBZ5244B, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Zener Diode
  • Use: Voltage regulation and protection
  • Characteristics: Low leakage current, precise voltage regulation
  • Package: SOD-123
  • Essence: Semiconductor diode
  • Packaging/Quantity: Available in reels or cut tape packaging

Specifications

  • Voltage - Zener (Nom) (Vz): 14V
  • Power - Max: 350mW
  • Impedance (Max) (Zzt): 20 Ohm
  • Current - Reverse Leakage @ Vr: 100nA @ 10V
  • Operating Temperature: -65°C ~ 150°C

Detailed Pin Configuration

The MMBZ5244B has three pins: Cathode, Anode, and No Connection (NC). - Cathode (K): Connected to the ground or reference voltage. - Anode (A): Connected to the positive terminal of the circuit. - No Connection (NC): Not internally connected.

Functional Features

  • Voltage Regulation: Maintains a constant output voltage under varying load conditions.
  • Overvoltage Protection: Safeguards sensitive components by limiting the voltage across them.
  • Stability: Provides stable and reliable performance over a wide temperature range.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Compact size
  • Low leakage current

Disadvantages

  • Limited power dissipation capability
  • Susceptible to damage from excessive current or voltage spikes

Working Principles

The MMBZ5244B operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at the specified voltage. It achieves this by allowing a controlled breakdown at a specific voltage, providing a stable reference voltage for the circuit.

Detailed Application Field Plans

The MMBZ5244B finds applications in various electronic circuits, including: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits - Voltage reference circuits

Detailed and Complete Alternative Models

Some alternative models to the MMBZ5244B include: - BZX84C14 - 1N4744A - MM3Z14VT1G - BZT52C14S-7-F

In conclusion, the MMBZ5244B 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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기술 솔루션에 MMBZ5244B 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

  1. What is MMBZ5244B?

    • MMBZ5244B is a Zener diode with a voltage of 15V and a power dissipation of 350mW.

  2. What are the typical applications of MMBZ5244B?

    • MMBZ5244B is commonly used in voltage regulation, overvoltage protection, and signal clamping applications.

  3. What is the maximum current that MMBZ5244B can handle?

    • The maximum current for MMBZ5244B is typically around 20mA.

  4. How does MMBZ5244B provide overvoltage protection?

    • MMBZ5244B conducts when the voltage across it exceeds its breakdown voltage, effectively shunting excess current to protect downstream components.

  5. Can MMBZ5244B be used in reverse polarity protection?

    • Yes, MMBZ5244B can be used to protect circuits from damage due to reverse polarity connections.

  6. What is the temperature range for MMBZ5244B?

    • MMBZ5244B typically operates within a temperature range of -65°C to +150°C.

  7. Is MMBZ5244B suitable for low-power applications?

    • Yes, MMBZ5244B's low power dissipation makes it suitable for low-power applications such as sensor interfaces and portable devices.

  8. Does MMBZ5244B require any external components for operation?

    • MMBZ5244B can be used standalone, but it may benefit from series resistors or capacitors for specific applications.

  9. What are the key specifications to consider when using MMBZ5244B in a design?

    • Key specifications include breakdown voltage, power dissipation, maximum current, and temperature range.

  10. Are there any common pitfalls to avoid when using MMBZ5244B?

    • It's important to ensure that the maximum current and power dissipation ratings are not exceeded, and to consider the thermal management of the device in high-power applications.