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.

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van 1PMT5940B/TR7 in technische oplossingen

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.