Microsemi Corporation
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1PMT5945A/TR13
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1PMT5945A/TR13

Product Overview

Category

The 1PMT5945A/TR13 belongs to the category of semiconductor devices, specifically a Zener diode.

Use

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

Characteristics

  • Voltage regulation capability
  • Reverse breakdown voltage of 45V
  • Low leakage current
  • Small package size

Package

The 1PMT5945A/TR13 is typically available in a surface mount package.

Essence

This Zener diode serves as a crucial component in maintaining stable voltage levels within electronic circuits.

Packaging/Quantity

It is usually supplied in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Reverse Breakdown Voltage: 45V
  • Power Dissipation: 1.5W
  • Zener Voltage Tolerance: ±5%
  • Operating Temperature Range: -65°C to +150°C

Detailed Pin Configuration

The 1PMT5945A/TR13 typically consists of two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal of the circuit.

Functional Features

  • Voltage Regulation: The Zener diode maintains a constant voltage across its terminals, providing stability to the circuit.
  • Overvoltage Protection: It prevents damage to sensitive components by diverting excess voltage away from them.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Compact size
  • Low leakage current

Disadvantages

  • Limited power dissipation capability
  • Vulnerable to overcurrent conditions

Working Principles

The 1PMT5945A/TR13 operates based on the principle of the Zener effect, where it allows current to flow in reverse bias once the voltage reaches its breakdown level, effectively regulating the voltage across the circuit.

Detailed Application Field Plans

Voltage Regulation

The Zener diode is widely used in power supplies, voltage regulators, and signal conditioning circuits to maintain a stable output voltage.

Overvoltage Protection

It is employed in electronic systems to protect sensitive components from damage due to voltage spikes or surges.

Detailed and Complete Alternative Models

  • 1N4733A: Similar Zener diode with a breakdown voltage of 5.1V
  • BZX55C47: Zener diode with a breakdown voltage of 47V and higher power dissipation capability

In conclusion, the 1PMT5945A/TR13 Zener diode plays a vital role in voltage regulation and protection within electronic circuits, offering precise control and safeguarding against overvoltage conditions. Its compact size and low leakage current make it suitable for various applications, although its limited power dissipation capacity and susceptibility to overcurrent are notable drawbacks. Understanding its working principles and exploring alternative models can aid in optimizing its usage within electronic designs.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1PMT5945A/TR13 en soluciones técnicas

  1. What is 1PMT5945A/TR13?

    • 1PMT5945A/TR13 is a Zener diode designed for voltage regulation and transient voltage suppression in electronic circuits.

  2. What are the key specifications of 1PMT5945A/TR13?

    • The key specifications include a breakdown voltage of 15V, a maximum reverse leakage current of 100nA, and a power dissipation of 500mW.

  3. How can 1PMT5945A/TR13 be used in voltage regulation?

    • It can be used as a shunt regulator to maintain a constant output voltage in various electronic applications.

  4. In what type of technical solutions is 1PMT5945A/TR13 commonly applied?

    • It is commonly used in power supplies, voltage regulators, and surge protection circuits.

  5. What are the advantages of using 1PMT5945A/TR13 in technical solutions?

    • Its small size, high reliability, and precise voltage regulation make it suitable for compact and sensitive electronic devices.

  6. How does 1PMT5945A/TR13 provide transient voltage suppression?

    • It clamps the voltage during transient events, protecting sensitive components from damage caused by voltage spikes.

  7. What is the temperature range for 1PMT5945A/TR13's operation?

    • It typically operates within a temperature range of -65°C to +150°C, making it suitable for a wide range of environments.

  8. Can 1PMT5945A/TR13 be used in automotive electronics?

    • Yes, it is often utilized in automotive systems for voltage regulation and transient protection due to its robust design.

  9. Are there any application notes or reference designs available for 1PMT5945A/TR13?

    • Yes, manufacturers provide application notes and reference designs to assist engineers in implementing this component effectively.

  10. Where can I purchase 1PMT5945A/TR13 for my technical solutions?

    • It can be purchased from authorized distributors or directly from the manufacturer's website.