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MM3Z43VC
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MM3Z43VC

Product Overview

Category

The MM3Z43VC belongs to the category of Zener diodes.

Use

It is commonly used for voltage regulation and protection in electronic circuits.

Characteristics

  • Low leakage current
  • High reliability
  • Small package size

Package

The MM3Z43VC is typically available in a SOD-323 package.

Essence

This Zener diode is essential for maintaining a constant voltage across a circuit.

Packaging/Quantity

The MM3Z43VC is usually packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Zener Voltage: 43V
  • Power Dissipation: 200mW
  • Maximum Reverse Leakage Current: 100nA
  • Operating Temperature Range: -65°C to +150°C

Detailed Pin Configuration

The MM3Z43VC has three pins, with the cathode connected to the ground and the anode connected to the input voltage. The third pin is not connected and is left floating.

Functional Features

  • Voltage Regulation: The MM3Z43VC maintains a constant voltage across the circuit, preventing voltage spikes.
  • Overvoltage Protection: It protects sensitive components from damage due to excessive voltage.

Advantages

  • Small form factor
  • Precise voltage regulation
  • Low leakage current

Disadvantages

  • Limited power dissipation capability
  • Susceptible to thermal runaway at high currents

Working Principles

The MM3Z43VC operates based on the principle of the Zener effect, where it allows current to flow in reverse bias once the voltage reaches its breakdown voltage, effectively regulating the voltage across the circuit.

Detailed Application Field Plans

The MM3Z43VC is widely used in: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the MM3Z43VC include: - BZX84C43 - 1N4743A - MMSZ43T1G

In conclusion, the MM3Z43VC Zener diode is a crucial component in electronic circuits, providing precise voltage regulation and overvoltage protection. Its small form factor and reliability make it suitable for various applications in electronics.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MM3Z43VC v technických řešeních

  1. What is MM3Z43VC?

    • MM3Z43VC is a Zener diode with a voltage rating of 43V and a power dissipation of 200mW.

  2. What are the typical applications of MM3Z43VC?

    • MM3Z43VC is commonly used in voltage regulation, overvoltage protection, and signal clamping applications.

  3. What is the maximum current that MM3Z43VC can handle?

    • The maximum current for MM3Z43VC is typically around 5mA.

  4. How does MM3Z43VC provide overvoltage protection?

    • MM3Z43VC conducts current when the voltage across it exceeds its breakdown voltage, effectively shunting excess voltage to protect downstream components.

  5. Can MM3Z43VC be used in reverse bias?

    • Yes, MM3Z43VC can be used in reverse bias as a voltage reference or as a protection device against negative voltage transients.

  6. What is the temperature coefficient of MM3Z43VC?

    • The temperature coefficient of MM3Z43VC is typically around -2mV/°C.

  7. Is MM3Z43VC suitable for high-frequency applications?

    • MM3Z43VC can be used in high-frequency applications due to its fast response time and low capacitance.

  8. What is the package type of MM3Z43VC?

    • MM3Z43VC is available in a small SOD-323 surface mount package.

  9. Can MM3Z43VC be used in automotive electronics?

    • Yes, MM3Z43VC is often used in automotive electronics for voltage regulation and transient protection.

  10. Are there any alternatives to MM3Z43VC for similar applications?

    • Yes, other Zener diodes with comparable voltage ratings and power dissipation characteristics can be used as alternatives to MM3Z43VC, such as BZX84C43 or MMBZ43VALT1G.