Microsemi Corporation
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1N5987UR

1N5987UR

Product Overview

Category

The 1N5987UR is a Zener diode, which falls under the category of semiconductor devices.

Use

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

Characteristics

  • Voltage regulation
  • Reverse breakdown voltage: 5.6V
  • Power dissipation: 500mW
  • Low leakage current
  • Small package size

Package

The 1N5987UR is typically available in a DO-41 axial leaded package.

Essence

The essence of the 1N5987UR lies in its ability to provide stable voltage regulation in various electronic applications.

Packaging/Quantity

It is usually supplied in reels or bulk packaging, with quantities varying based on manufacturer specifications.

Specifications

  • Zener voltage: 5.6V
  • Maximum reverse current: 5μA
  • Operating temperature range: -65°C to 200°C
  • Forward voltage: 1.2V
  • Power dissipation: 500mW

Detailed Pin Configuration

The 1N5987UR has two pins, anode, and cathode, with the cathode being marked by a band on the body of the diode.

Functional Features

  • Voltage regulation
  • Overvoltage protection
  • Stability in varying temperature conditions

Advantages and Disadvantages

Advantages

  • Precise voltage regulation
  • Compact size
  • Low leakage current

Disadvantages

  • Limited power dissipation capability
  • Susceptible to thermal runaway if not properly heatsinked

Working Principles

The 1N5987UR operates based on the principle of the Zener effect, where it maintains a constant voltage across its terminals when operated in the reverse breakdown region.

Detailed Application Field Plans

The 1N5987UR finds application in various electronic circuits such as: - Voltage regulators - Overvoltage protection circuits - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N5987UR include: - 1N4734A - BZX55C5V6 - 1N5226B

In conclusion, the 1N5987UR Zener diode serves as a crucial component in electronic circuits, providing stable voltage regulation and overvoltage protection. Its compact size and precise characteristics make it suitable for a wide range of applications, although care must be taken to address its limitations in power dissipation and thermal management.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1N5987UR en soluciones técnicas

  1. What is 1N5987UR?

    • 1N5987UR is a Zener diode with a voltage rating of 5.6V and a power rating of 500mW.

  2. What are the typical applications of 1N5987UR?

    • It is commonly used for voltage regulation, voltage reference, and overvoltage protection in electronic circuits.

  3. What is the maximum current that 1N5987UR can handle?

    • The maximum current for 1N5987UR is typically around 100mA.

  4. How does 1N5987UR provide voltage regulation?

    • 1N5987UR operates in the reverse-biased breakdown region, maintaining a nearly constant voltage across its terminals.

  5. Can 1N5987UR be used for overvoltage protection?

    • Yes, it can be used to limit the voltage across a circuit by shunting excess current when the voltage exceeds its rated value.

  6. What are the key characteristics of 1N5987UR?

    • Some key characteristics include its low dynamic impedance, precise voltage regulation, and fast response time.

  7. Is 1N5987UR suitable for precision voltage reference applications?

    • Yes, due to its stable voltage output and low temperature coefficient, it is often used as a voltage reference in precision circuits.

  8. What are the temperature considerations for 1N5987UR?

    • The operating and storage temperature range for 1N5987UR is typically specified between -65°C to +200°C.

  9. Can 1N5987UR be used in automotive electronics?

    • Yes, it can be utilized in automotive applications where precise voltage regulation and overvoltage protection are required.

  10. Are there any alternative components to 1N5987UR with similar specifications?

    • Yes, other Zener diodes with comparable voltage and power ratings, such as 1N4736A or BZX55C5V6, can serve as alternatives in certain applications.