Microsemi Corporation
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1PMT5945BE3/TR13
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1PMT5945BE3/TR13

Product Overview

Category

The 1PMT5945BE3/TR13 belongs to the category of Zener diodes.

Use

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

Characteristics

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

Packaging/Quantity

The 1PMT5945BE3/TR13 is typically available in reels with a quantity of 3000 units per reel.

Specifications

  • Zener voltage: 3.3V
  • Power dissipation: 1.5W
  • Forward voltage: 1.2V
  • Reverse current: 5µA
  • Operating temperature range: -65°C to +150°C

Detailed Pin Configuration

The 1PMT5945BE3/TR13 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 1PMT5945BE3/TR13 operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

This Zener diode is widely used in voltage regulation circuits, surge protection, and as a reference voltage source in various electronic devices such as power supplies, voltage regulators, and signal conditioning circuits.

Detailed and Complete Alternative Models

  • 1N4728A
  • BZX55C3V3
  • MMSZ5232B

In conclusion, the 1PMT5945BE3/TR13 Zener diode offers precise voltage regulation and transient suppression capabilities, making it suitable for a wide range of electronic applications. While it has limitations in power dissipation and temperature sensitivity, its compact size and reliability make it a popular choice in the electronics industry.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1PMT5945BE3/TR13 en soluciones técnicas

  1. What is 1PMT5945BE3/TR13?

    • 1PMT5945BE3/TR13 is a 1.5KE series Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronics from voltage transients induced by lightning, inductive load switching, and electrostatic discharge.

  2. What are the key features of 1PMT5945BE3/TR13?

    • The key features include a peak pulse power dissipation of 1500W, low clamping voltage, fast response time, and a compact DO-220AA package.

  3. How does 1PMT5945BE3/TR13 provide protection in technical solutions?

    • It provides protection by diverting excessive current away from sensitive components, limiting the voltage across them to safe levels during transient events.

  4. In what applications can 1PMT5945BE3/TR13 be used?

    • It is commonly used in telecommunications equipment, industrial control systems, automotive electronics, and power supplies to protect against voltage surges.

  5. What is the operating temperature range of 1PMT5945BE3/TR13?

    • The operating temperature range is typically -55°C to +175°C, making it suitable for a wide range of environments.

  6. How is 1PMT5945BE3/TR13 installed in a circuit?

    • It is typically installed in parallel with the protected circuit, with proper consideration given to the layout and routing of the traces to minimize inductance.

  7. What standards does 1PMT5945BE3/TR13 comply with?

    • It complies with industry standards such as IEC 61000-4-2 for Electrostatic Discharge (ESD) protection and IEC 61000-4-5 for surge protection.

  8. What are the potential failure modes of 1PMT5945BE3/TR13?

    • Potential failure modes include thermal runaway under sustained overvoltage conditions and degradation due to prolonged exposure to high energy transients.

  9. Can 1PMT5945BE3/TR13 be used for outdoor applications?

    • Yes, it can be used in outdoor applications, but proper encapsulation and protection from environmental factors should be considered.

  10. Are there any recommended layout guidelines for incorporating 1PMT5945BE3/TR13 in a PCB design?

    • Yes, it is recommended to minimize trace lengths, provide low impedance paths to ground, and follow manufacturer's guidelines for optimal performance.

Is there anything else you would like to know about 1PMT5945BE3/TR13 or its application in technical solutions?