Diodes Incorporated
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MMBZ5255BS-7
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MMBZ5255BS-7

Introduction

The MMBZ5255BS-7 is a semiconductor product belonging to the category of Zener diodes. This component is widely used in electronic circuits for voltage regulation and protection against voltage spikes. It possesses unique characteristics, comes in specific packaging, and has distinct advantages and disadvantages.

Basic Information Overview

  • Category: Zener diode
  • Use: Voltage regulation and protection
  • Characteristics: Precise voltage regulation, low dynamic resistance, high reliability
  • Package: SOD-323, SMD/SMT
  • Essence: Semiconductor material with controlled breakdown voltage
  • Packaging/Quantity: Available in tape and reel packaging, quantity varies by manufacturer

Specifications

  • Voltage Range: 27V to 33V
  • Power Dissipation: 200mW
  • Operating Temperature: -65°C to +150°C
  • Zener Impedance: 20Ω
  • Forward Voltage: 1.2V
  • Reverse Leakage Current: 100nA

Detailed Pin Configuration

The MMBZ5255BS-7 Zener diode 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 its terminals.
  • Overvoltage Protection: Safeguards sensitive components from voltage spikes.
  • Low Dynamic Resistance: Allows efficient current flow at regulated voltage levels.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Compact size
  • High reliability
  • Low cost

Disadvantages

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

Working Principles

The MMBZ5255BS-7 operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased. This allows it to regulate voltage within a narrow range, providing stability to electronic circuits.

Detailed Application Field Plans

The MMBZ5255BS-7 finds extensive use in various applications, including: - Voltage regulators in power supplies - Overvoltage protection in communication equipment - Signal clamping in audio and video circuits - Voltage reference in precision measurement instruments

Detailed and Complete Alternative Models

  • BZX84C27: 27V Zener diode, SOT-23 package
  • 1N4729A: 27V Zener diode, DO-41 package
  • MM3Z27VT1G: 27V Zener diode, SOD-323 package

In conclusion, the MMBZ5255BS-7 Zener diode offers precise voltage regulation and overvoltage protection, making it an essential component in various electronic circuits.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MMBZ5255BS-7 v technických řešeních

  1. What is the MMBZ5255BS-7?

    • The MMBZ5255BS-7 is a Zener diode designed for voltage regulation and protection in various electronic circuits.

  2. What are the key features of MMBZ5255BS-7?

    • The key features include a 16V breakdown voltage, low leakage current, and a small SOT-23 surface mount package.

  3. How can MMBZ5255BS-7 be used in voltage regulation?

    • MMBZ5255BS-7 can be used to regulate voltage by maintaining a constant output voltage across its terminals, even when the input voltage fluctuates.

  4. In what applications is MMBZ5255BS-7 commonly used?

    • It is commonly used in power supplies, voltage regulators, and protection circuits in various electronic devices.

  5. What is the maximum power dissipation of MMBZ5255BS-7?

    • The maximum power dissipation is typically around 200mW.

  6. How does MMBZ5255BS-7 provide overvoltage protection?

    • It provides overvoltage protection by shunting excess current when the voltage exceeds its breakdown voltage.

  7. Can MMBZ5255BS-7 be used in reverse polarity protection?

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

  8. What is the temperature range for MMBZ5255BS-7?

    • The operating temperature range is typically between -55°C to +150°C.

  9. Are there any recommended PCB layout considerations for using MMBZ5255BS-7?

    • It is recommended to minimize trace lengths and keep the diode close to the components it is protecting.

  10. Where can I find detailed application notes for using MMBZ5255BS-7 in technical solutions?

    • Detailed application notes can be found in the datasheet provided by the manufacturer or on their official website.