Vishay Semiconductor Diodes Division
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MMSZ5245B-HE3-18
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MMSZ5245B-HE3-18

Product Overview

Category

The MMSZ5245B-HE3-18 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 for voltage regulation and protection in various electronic circuits.

Characteristics

  • Voltage Regulation: The MMSZ5245B-HE3-18 provides stable voltage regulation, making it suitable for precision electronic applications.
  • Small Size: This diode is compact, allowing for space-efficient circuit designs.
  • Low Leakage Current: It exhibits low leakage current, ensuring minimal power loss in the circuit.

Package

The MMSZ5245B-HE3-18 is typically available in a surface-mount package, offering ease of installation on printed circuit boards (PCBs).

Essence

This Zener diode serves as a crucial component in maintaining voltage stability within electronic systems, preventing damage from voltage spikes and fluctuations.

Packaging/Quantity

It is commonly supplied in reels or tape and reel packaging, with varying quantities based on manufacturer specifications.

Specifications

  • Voltage: 15V
  • Power Dissipation: 500mW
  • Zener Voltage Tolerance: ±5%
  • Operating Temperature Range: -65°C to +150°C
  • Forward Voltage: 1.2V
  • Reverse Leakage Current: 5μA

Detailed Pin Configuration

The MMSZ5245B-HE3-18 features a standard SOD-123 surface-mount package with two pins. The pinout configuration is as follows: - Pin 1: Anode - Pin 2: Cathode

Functional Features

  • Voltage Regulation: The diode maintains a constant voltage drop across its terminals, ensuring stable operation of connected circuits.
  • Overvoltage Protection: It safeguards sensitive components by diverting excess voltage away from the circuit.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Compact size
  • Low leakage current

Disadvantages

  • Limited power dissipation capability
  • Vulnerable to high transient currents

Working Principles

The MMSZ5245B-HE3-18 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 MMSZ5245B-HE3-18 finds extensive use in the following application fields: - Voltage regulators - Power supplies - Signal clamping circuits - Overvoltage protection circuits

Detailed and Complete Alternative Models

  • 1N5226B: 3.3V Zener diode
  • BZX84C15: 15V Zener diode
  • MMBZ5230B: 30V Zener diode
  • BZT52C3V6S-7-F: 3.6V Zener diode

In conclusion, the MMSZ5245B-HE3-18 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 MMSZ5245B-HE3-18 v technických řešeních

  1. What is the MMSZ5245B-HE3-18?

    • The MMSZ5245B-HE3-18 is a Zener diode designed to provide voltage regulation and protection in electronic circuits.

  2. What is the voltage rating of the MMSZ5245B-HE3-18?

    • The MMSZ5245B-HE3-18 has a nominal voltage rating of 15V.

  3. What are the typical applications of the MMSZ5245B-HE3-18?

    • The MMSZ5245B-HE3-18 is commonly used for voltage regulation, overvoltage protection, and voltage reference in various electronic circuits.

  4. What is the maximum power dissipation of the MMSZ5245B-HE3-18?

    • The MMSZ5245B-HE3-18 has a maximum power dissipation of 500mW.

  5. What is the operating temperature range of the MMSZ5245B-HE3-18?

    • The MMSZ5245B-HE3-18 can operate within a temperature range of -65°C to 150°C.

  6. How does the MMSZ5245B-HE3-18 provide overvoltage protection?

    • The MMSZ5245B-HE3-18 conducts current when the voltage across it exceeds its breakdown voltage, effectively clamping the voltage to protect downstream components.

  7. Can the MMSZ5245B-HE3-18 be used in reverse bias?

    • Yes, the MMSZ5245B-HE3-18 can be used in reverse bias as a voltage reference or as a protection device against negative voltage transients.

  8. What are the package options available for the MMSZ5245B-HE3-18?

    • The MMSZ5245B-HE3-18 is available in a SOD-123 package.

  9. Is the MMSZ5245B-HE3-18 RoHS compliant?

    • Yes, the MMSZ5245B-HE3-18 is RoHS compliant, making it suitable for use in environmentally conscious designs.

  10. What are some common alternatives to the MMSZ5245B-HE3-18?

    • Common alternatives to the MMSZ5245B-HE3-18 include other Zener diodes with similar voltage ratings and power dissipation capabilities, such as the BZX84C15 or the 1N4744A.