Microsemi Corporation
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1PMT5940B/TR7
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1PMT5940B/TR7

Product Overview

Category:

The 1PMT5940B/TR7 belongs to the category of Zener diodes.

Use:

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

Characteristics:

  • Zener voltage: 3.9V
  • Power dissipation: 500mW
  • Package type: SOD-123

Packaging/Quantity:

The 1PMT5940B/TR7 is typically available in reels with a quantity of 3000 units per reel.

Specifications

  • Zener Voltage: 3.9V
  • Power Dissipation: 500mW
  • Forward Voltage: 1.5V
  • Reverse Current: 5μA
  • Operating Temperature Range: -65°C to +150°C

Detailed Pin Configuration

The 1PMT5940B/TR7 has two pins, with the cathode connected to the marked side of the package.

Functional Features

  • Precise voltage regulation
  • Protection against voltage spikes
  • Compact SOD-123 package for space-constrained applications

Advantages and Disadvantages

Advantages

  • Accurate voltage regulation
  • Small form factor
  • Low power dissipation

Disadvantages

  • Limited power handling capability
  • Sensitivity to temperature variations

Working Principles

The 1PMT5940B/TR7 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

The 1PMT5940B/TR7 is widely used in: - Voltage regulators - Overvoltage protection circuits - Portable electronic devices

Detailed and Complete Alternative Models

Some alternative models to the 1PMT5940B/TR7 include: - BZX84C3V9LT1G - MMSZ5240BT1G - BZT52C3V9S-7-F

This comprehensive entry provides an in-depth understanding of the 1PMT5940B/TR7, covering its basic information, specifications, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1PMT5940B/TR7 en soluciones técnicas

Sure, here are 10 common questions and answers related to the application of 1PMT5940B/TR7 in technical solutions:

  1. What is the maximum repetitive peak reverse voltage (VRRM) of 1PMT5940B/TR7?

    • The VRRM of 1PMT5940B/TR7 is 40V.

  2. What is the typical junction capacitance (Cj) of 1PMT5940B/TR7?

    • The typical Cj of 1PMT5940B/TR7 is 150pF.

  3. What is the forward voltage drop (VF) of 1PMT5940B/TR7 at a specific current?

    • At a forward current of 3A, the VF of 1PMT5940B/TR7 is typically 0.5V.

  4. What is the maximum reverse leakage current (IR) of 1PMT5940B/TR7 at its rated voltage?

    • At the rated voltage of 40V, the maximum IR of 1PMT5940B/TR7 is 5µA.

  5. Can 1PMT5940B/TR7 be used in automotive applications?

    • Yes, 1PMT5940B/TR7 is suitable for use in automotive applications.

  6. What is the operating temperature range of 1PMT5940B/TR7?

    • The operating temperature range of 1PMT5940B/TR7 is -55°C to +150°C.

  7. Is 1PMT5940B/TR7 RoHS compliant?

    • Yes, 1PMT5940B/TR7 is RoHS compliant.

  8. What are the typical applications of 1PMT5940B/TR7 in technical solutions?

    • Typical applications include voltage clamping, crowbar protection, and transient voltage suppression.

  9. Does 1PMT5940B/TR7 require a heat sink for certain applications?

    • It may require a heat sink depending on the specific application and power dissipation requirements.

  10. What packaging options are available for 1PMT5940B/TR7?

    • 1PMT5940B/TR7 is available in a DO-220AA (SMPA) package.

I hope these questions and answers are helpful for your technical solutions! If you have any more questions, feel free to ask.