Microsemi Corporation
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1PMT5947B/TR7
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1PMT5947B/TR7

Product Overview

Category

The 1PMT5947B/TR7 belongs to the category of Zener diodes, which are semiconductor devices designed to maintain a constant voltage across their terminals.

Use

This product is commonly used in voltage regulation applications, where it provides stable and reliable voltage references.

Characteristics

  • Voltage Regulation: The 1PMT5947B/TR7 offers precise voltage regulation, making it suitable for various electronic circuits.
  • Temperature Stability: It exhibits good temperature stability, ensuring consistent performance across different operating conditions.
  • Low Leakage Current: The device features low leakage current, contributing to its efficiency and reliability.

Package

The 1PMT5947B/TR7 is typically available in a small surface-mount package, allowing for easy integration into compact electronic designs.

Packaging/Quantity

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

Specifications

  • Voltage: 15V
  • Power Dissipation: 500mW
  • Zener Voltage Tolerance: ±5%
  • Operating Temperature Range: -65°C to +150°C
  • Forward Voltage: 1.2V
  • Reverse Leakage Current: 5µA

Detailed Pin Configuration

The 1PMT5947B/TR7 follows a standard Zener diode pin configuration, with two terminals for connection. The anode is typically denoted by a band on the body of the diode.

Functional Features

  • Voltage Regulation: Provides a stable output voltage, maintaining it within a specified range.
  • Overvoltage Protection: Safeguards connected circuits from excessive voltage levels.
  • Reverse Voltage Protection: Prevents damage due to reverse polarity connections.

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Compact form factor
  • Good temperature stability

Disadvantages

  • Limited power dissipation capability
  • Vulnerable to overcurrent conditions

Working Principles

The 1PMT5947B/TR7 operates based on the Zener effect, where it maintains a constant voltage drop across its terminals by allowing controlled breakdown under reverse bias conditions.

Detailed Application Field Plans

Voltage Regulation Circuits

The 1PMT5947B/TR7 finds extensive use in voltage regulation circuits for electronic devices, ensuring consistent and reliable power supply.

Overvoltage Protection

It is employed in systems requiring protection against overvoltage events, safeguarding sensitive components from potential damage.

Detailed and Complete Alternative Models

  • 1N4728A: 3.3V Zener Diode
  • 1N4733A: 5.1V Zener Diode
  • 1N4740A: 10V Zener Diode

These alternative models offer similar functionality and characteristics, providing flexibility in design and application choices.

In conclusion, the 1PMT5947B/TR7 Zener diode serves as a crucial component in various electronic circuits, offering precise voltage regulation and protection features. Its compact form factor and stable performance make it a preferred choice for many applications in the field of electronics.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1PMT5947B/TR7 v technických řešeních

  1. What is 1PMT5947B/TR7?

    • 1PMT5947B/TR7 is a Zener diode designed for voltage regulation and protection in electronic circuits.

  2. What is the maximum power dissipation of 1PMT5947B/TR7?

    • The maximum power dissipation of 1PMT5947B/TR7 is typically 3 watts.

  3. What is the voltage rating of 1PMT5947B/TR7?

    • 1PMT5947B/TR7 has a nominal voltage rating of 36 volts.

  4. What are the typical applications of 1PMT5947B/TR7?

    • Typical applications of 1PMT5947B/TR7 include voltage regulation, overvoltage protection, and signal clamping in various electronic circuits.

  5. What is the operating temperature range of 1PMT5947B/TR7?

    • The operating temperature range of 1PMT5947B/TR7 is typically -65°C to +150°C.

  6. What is the forward voltage drop of 1PMT5947B/TR7?

    • The forward voltage drop of 1PMT5947B/TR7 is typically 1.5V at a forward current of 200mA.

  7. What is the reverse leakage current of 1PMT5947B/TR7?

    • The reverse leakage current of 1PMT5947B/TR7 is typically 5µA at the maximum reverse voltage.

  8. Is 1PMT5947B/TR7 RoHS compliant?

    • Yes, 1PMT5947B/TR7 is RoHS compliant, making it suitable for use in environmentally friendly electronic products.

  9. Can 1PMT5947B/TR7 be used in automotive applications?

    • Yes, 1PMT5947B/TR7 can be used in automotive applications where voltage regulation and transient protection are required.

  10. What are the package options available for 1PMT5947B/TR7?

    • 1PMT5947B/TR7 is available in various package options, including SOD-123, SMA, and SMB packages, providing flexibility for different design requirements.