Microsemi Corporation
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1PMT5942B/TR7
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1PMT5942B/TR7

Product Overview

Category

The 1PMT5942B/TR7 belongs to the category of Zener diodes.

Use

It is used for voltage regulation and transient suppression in electronic circuits.

Characteristics

  • Zener voltage: 12V
  • Power dissipation: 3W
  • Package type: SOD-123

Packaging/Quantity

The 1PMT5942B/TR7 is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

  • Zener Voltage: 12V
  • Power Dissipation: 3W
  • Forward Voltage: 1.5V
  • Reverse Current: 5µA
  • Operating Temperature Range: -65°C to +150°C

Detailed Pin Configuration

The 1PMT5942B/TR7 has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • Precise voltage regulation
  • Transient suppression
  • Low reverse leakage current

Advantages

  • High reliability
  • Small form factor
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The 1PMT5942B/TR7 operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

The 1PMT5942B/TR7 is commonly used in: - Voltage regulators - Overvoltage protection circuits - Power supplies

Detailed and Complete Alternative Models

Some alternative models to the 1PMT5942B/TR7 include: - BZX84C12 - MMSZ5245B - P6SMB12CA

In conclusion, the 1PMT5942B/TR7 Zener diode is a reliable component for voltage regulation and transient suppression in various electronic applications, offering precise voltage control and robust performance within a compact package.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1PMT5942B/TR7 v technických řešeních

  1. What is 1PMT5942B/TR7?

    • 1PMT5942B/TR7 is a Zener diode with a voltage of 12V and a power dissipation of 500mW.

  2. What are the typical applications of 1PMT5942B/TR7?

    • It is commonly used in voltage regulation, surge suppression, and overvoltage protection in various electronic circuits.

  3. What is the maximum current that 1PMT5942B/TR7 can handle?

    • The maximum current for 1PMT5942B/TR7 is typically around 41mA.

  4. How does 1PMT5942B/TR7 provide overvoltage protection?

    • When the voltage across the diode exceeds its breakdown voltage (12V), it conducts and limits the voltage to protect the circuit.

  5. Can 1PMT5942B/TR7 be used in reverse bias?

    • Yes, it can be used in reverse bias as a voltage reference or as a protective element against negative voltage spikes.

  6. What are the temperature specifications for 1PMT5942B/TR7?

    • The operating temperature range is typically -65°C to +150°C, making it suitable for a wide range of environments.

  7. Is 1PMT5942B/TR7 RoHS compliant?

    • Yes, it is compliant with the Restriction of Hazardous Substances (RoHS) directive.

  8. What is the package type for 1PMT5942B/TR7?

    • It comes in a DO-35 package, which is a popular axial-lead glass case package.

  9. Can 1PMT5942B/TR7 be used in automotive applications?

    • Yes, it is suitable for automotive electronics due to its robust construction and temperature range.

  10. Are there any recommended alternative components to 1PMT5942B/TR7?

    • Some alternatives include BZT52C12S-7-F, MMBZ5242BLT1G, and MM3Z12VT1G, which have similar electrical characteristics and package types.