Microsemi Corporation
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1PMT5948A/TR7
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1PMT5948A/TR7

Product Overview

Category

The 1PMT5948A/TR7 belongs to the category of Zener diodes.

Use

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

Characteristics

  • Zener voltage: 22V
  • Power dissipation: 3W
  • Package type: SOD-123

Packaging/Quantity

The 1PMT5948A/TR7 is typically available in reels with a quantity of 3000 units per reel.

Specifications

  • Zener Voltage: 22V
  • Power Dissipation: 3W
  • Forward Voltage: 1.5V
  • Reverse Current: 5µA
  • Operating Temperature Range: -65°C to +150°C

Detailed Pin Configuration

The 1PMT5948A/TR7 has two pins, with the cathode connected to the semiconductor's P-type material and the anode connected to the N-type material.

Functional Features

  • Precise voltage regulation
  • Overvoltage protection
  • 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 1PMT5948A/TR7 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

This Zener diode is widely used in voltage regulator circuits, overvoltage protection circuits, and as a reference element in precision voltage sources.

Detailed and Complete Alternative Models

  • 1N5221B: 2.4V Zener voltage, 500mW power dissipation
  • BZX84C22: 22V Zener voltage, 250mW power dissipation
  • MMSZ5248BT1G: 18V Zener voltage, 500mW power dissipation

In conclusion, the 1PMT5948A/TR7 Zener diode offers precise voltage regulation and overvoltage protection, making it suitable for various electronic applications. While it has limitations in power dissipation and sensitivity to temperature, its high reliability and small form factor make it a popular choice in the industry.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1PMT5948A/TR7 en soluciones técnicas

  1. What is 1PMT5948A/TR7?

    • 1PMT5948A/TR7 is a Zener diode designed for voltage regulation and protection in various electronic circuits.

  2. What is the maximum power dissipation of 1PMT5948A/TR7?

    • The maximum power dissipation of 1PMT5948A/TR7 is typically 3 watts.

  3. What is the voltage rating of 1PMT5948A/TR7?

    • 1PMT5948A/TR7 has a nominal voltage rating of 36 volts.

  4. What are the typical applications of 1PMT5948A/TR7?

    • Typical applications of 1PMT5948A/TR7 include voltage regulation, overvoltage protection, and signal clamping in electronic circuits.

  5. What is the operating temperature range of 1PMT5948A/TR7?

    • The operating temperature range of 1PMT5948A/TR7 is typically -65°C to +150°C.

  6. What is the package type of 1PMT5948A/TR7?

    • 1PMT5948A/TR7 is available in a DO-220AA (SMPA) surface mount package.

  7. What is the reverse standoff voltage of 1PMT5948A/TR7?

    • The reverse standoff voltage of 1PMT5948A/TR7 is typically 32.4 volts.

  8. Can 1PMT5948A/TR7 be used for transient voltage suppression?

    • Yes, 1PMT5948A/TR7 can be used for transient voltage suppression to protect sensitive components from voltage spikes.

  9. Does 1PMT5948A/TR7 require a heatsink for operation?

    • It is recommended to use a heatsink when the power dissipation exceeds a certain level to ensure proper thermal management.

  10. Is 1PMT5948A/TR7 RoHS compliant?

    • Yes, 1PMT5948A/TR7 is RoHS compliant, making it suitable for use in environmentally conscious designs.