Microsemi Corporation
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1PMT5945A/TR7
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1PMT5945A/TR7

Product Overview

Category

The 1PMT5945A/TR7 belongs to the category of semiconductor devices, specifically zener diodes.

Use

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

Characteristics

  • Zener voltage: 3.3V
  • Power dissipation: 1.5W
  • Package type: SOD-123

Package

The 1PMT5945A/TR7 is typically available in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

  • Zener voltage: 3.3V
  • Power dissipation: 1.5W
  • Maximum forward voltage: 1.2V
  • Operating temperature range: -65°C to +150°C

Detailed Pin Configuration

The 1PMT5945A/TR7 has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

  • Voltage regulation: The zener diode maintains a constant voltage across its terminals, providing stability in electronic circuits.
  • Overvoltage protection: It prevents damage to sensitive components by diverting excess voltage away from them.

Advantages

  • Precise voltage regulation
  • Compact size
  • Easy to use in circuit design

Disadvantages

  • Limited power dissipation capability
  • Susceptible to damage from overcurrent conditions

Working Principles

The 1PMT5945A/TR7 operates based on the principle of the zener effect, where it allows current to flow in reverse bias once the voltage reaches its specified zener voltage, effectively maintaining a constant voltage drop across its terminals.

Detailed Application Field Plans

The 1PMT5945A/TR7 is widely used in various electronic applications, including: - Voltage regulators in power supplies - Overvoltage protection in communication equipment - Signal clamping in audio and video circuits

Detailed and Complete Alternative Models

  • BZX84C3V3LT1G
  • MMSZ5245BT1G
  • PZM3.3NB2A

In conclusion, the 1PMT5945A/TR7 zener diode offers precise voltage regulation and overvoltage protection, making it a crucial component in many electronic circuits.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1PMT5945A/TR7 en soluciones técnicas

  1. What is 1PMT5945A/TR7?

    • 1PMT5945A/TR7 is a Zener diode designed for voltage regulation and transient voltage suppression in electronic circuits.

  2. What is the maximum power dissipation of 1PMT5945A/TR7?

    • The maximum power dissipation of 1PMT5945A/TR7 is 3 watts.

  3. What is the voltage rating of 1PMT5945A/TR7?

    • The voltage rating of 1PMT5945A/TR7 is 15 volts.

  4. How does 1PMT5945A/TR7 provide voltage regulation?

    • 1PMT5945A/TR7 provides voltage regulation by maintaining a constant voltage across its terminals, even with changes in current.

  5. What are the typical applications of 1PMT5945A/TR7?

    • Typical applications of 1PMT5945A/TR7 include voltage clamping, overvoltage protection, and voltage stabilization in various electronic circuits.

  6. What is the operating temperature range of 1PMT5945A/TR7?

    • The operating temperature range of 1PMT5945A/TR7 is -65°C to +150°C.

  7. Can 1PMT5945A/TR7 be used for ESD protection?

    • Yes, 1PMT5945A/TR7 can be used for electrostatic discharge (ESD) protection in electronic devices.

  8. What is the package type of 1PMT5945A/TR7?

    • 1PMT5945A/TR7 comes in a surface mount DO-220AA (SMB) package.

  9. Does 1PMT5945A/TR7 require external components for operation?

    • No, 1PMT5945A/TR7 is a standalone Zener diode and does not require additional external components for basic operation.

  10. What are the key advantages of using 1PMT5945A/TR7 in technical solutions?

    • The key advantages of using 1PMT5945A/TR7 include its compact size, high reliability, and ability to provide precise voltage regulation and transient voltage suppression.