ON Semiconductor
Obrázek může být reprezentace.
Viz Specifikace pro podrobnosti o produktu.
MMSZ5249B
Zobrazit detail DataSheets

MMSZ5249B

Product Overview

Category

The MMSZ5249B belongs to the category of Zener diodes.

Use

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

Characteristics

  • Zener voltage: 18V
  • Power dissipation: 500mW
  • Package type: SOD-123
  • Operating temperature range: -65°C to +150°C

Packaging/Quantity

The MMSZ5249B is typically available in reels with a quantity of 3000 units per reel.

Specifications

  • Zener voltage: 18V
  • Power dissipation: 500mW
  • Forward voltage: 1.5V
  • Reverse current: 5μA
  • Maximum junction temperature: 150°C

Detailed Pin Configuration

The MMSZ5249B Zener diode has two pins, with the cathode connected to the marked side of the package and the anode connected to the unmarked side.

Functional Features

  • Precise voltage regulation
  • Overvoltage protection
  • Small form factor
  • Wide operating temperature range

Advantages and Disadvantages

Advantages

  • Accurate voltage regulation
  • Compact size
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Higher cost compared to standard diodes

Working Principles

The MMSZ5249B operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

The MMSZ5249B is widely used in various applications including: - Voltage regulation in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting

Detailed and Complete Alternative Models

Some alternative models to the MMSZ5249B include: - BZX84C18 - 1N4746A - BZT52C18

In conclusion, the MMSZ5249B Zener diode offers precise voltage regulation and overvoltage protection in a compact package, making it suitable for a wide range of electronic applications.

[Word count: 271]

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MMSZ5249B v technických řešeních

  1. What is the MMSZ5249B?

    • The MMSZ5249B is a Zener diode with a voltage of 15V and a power dissipation of 500mW.

  2. What are the typical applications of MMSZ5249B?

    • It is commonly used in voltage regulation, overvoltage protection, and signal clamping circuits.

  3. What is the maximum current that MMSZ5249B can handle?

    • The maximum current for MMSZ5249B is typically around 20mA.

  4. How does MMSZ5249B provide overvoltage protection?

    • When the voltage across the diode exceeds its breakdown voltage (15V), it conducts and limits the voltage to protect downstream components.

  5. Can MMSZ5249B be used in reverse bias?

    • Yes, it can be used in reverse bias as a regular diode, but it will conduct significantly when the reverse voltage reaches its breakdown voltage.

  6. What are the temperature specifications for MMSZ5249B?

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

  7. Is MMSZ5249B suitable for high-frequency applications?

    • It has a relatively fast response time and can be used in moderate frequency applications.

  8. What is the package type for MMSZ5249B?

    • It is available in a SOD-123 surface mount package.

  9. Does MMSZ5249B require any external components for operation?

    • It can be used standalone in simple voltage regulation and overvoltage protection circuits, but may require additional components for specific applications.

  10. Where can I find detailed specifications and application notes for MMSZ5249B?

    • Detailed specifications and application notes can be found in the datasheet provided by the manufacturer or distributor.