Microsemi Corporation
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1N4917
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1N4917 Diode

Product Overview

Category:

The 1N4917 diode belongs to the category of semiconductor devices.

Use:

It is commonly used as a rectifier in electronic circuits to convert alternating current (AC) to direct current (DC).

Characteristics:

  • Forward Voltage: 1V
  • Reverse Voltage: 50V
  • Maximum Continuous Current: 1A
  • Package Type: DO-41
  • Operating Temperature Range: -65°C to +175°C

Packaging/Quantity:

The 1N4917 diode is typically packaged in reels, tubes, or bulk packaging. The quantity per package varies depending on the supplier and customer requirements.

Specifications

  • Forward Voltage Drop: 1V
  • Reverse Voltage: 50V
  • Maximum Continuous Current: 1A
  • Package Type: DO-41
  • Operating Temperature Range: -65°C to +175°C

Detailed Pin Configuration

The 1N4917 diode has two pins, anode, and cathode. The anode is connected to the positive side of the circuit, while the cathode is connected to the negative side.

Functional Features

The 1N4917 diode allows current to flow in only one direction, from the anode to the cathode, effectively acting as a one-way valve for electrical current.

Advantages and Disadvantages

Advantages:

  • Low forward voltage drop
  • High surge current capability
  • Compact DO-41 package

Disadvantages:

  • Limited reverse voltage rating compared to other diodes
  • Relatively low maximum continuous current compared to higher power diodes

Working Principles

When the diode is forward-biased, it allows current to flow with minimal resistance. When reverse-biased, it blocks the flow of current, acting as an open circuit.

Detailed Application Field Plans

The 1N4917 diode finds applications in various electronic circuits, including: - Power supplies - Battery chargers - Voltage regulators - Rectifiers

Detailed and Complete Alternative Models

Some alternative models to the 1N4917 diode include: - 1N4001 - 1N4148 - 1N5408 - 1N5819

In conclusion, the 1N4917 diode is a versatile semiconductor device widely used in electronic circuits for rectification purposes, offering low forward voltage drop and high surge current capability. Its compact package and wide operating temperature range make it suitable for various applications in the electronics industry.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4917 v technických řešeních

  1. What is 1N4917?

    • 1N4917 is a silicon rectifier diode commonly used in electronic circuits for converting alternating current (AC) to direct current (DC).

  2. What are the key specifications of 1N4917?

    • The 1N4917 diode has a maximum repetitive peak reverse voltage of 200 volts, a maximum average forward rectified current of 1 ampere, and a forward voltage drop of approximately 1 volt at 1 ampere.

  3. How is 1N4917 typically used in technical solutions?

    • 1N4917 diodes are often used in power supply circuits, voltage regulators, and other applications where AC to DC conversion is required.

  4. What are the common applications of 1N4917 in electronic devices?

    • 1N4917 diodes are commonly used in battery chargers, DC power supplies, inverters, and various industrial and consumer electronic devices.

  5. What are the potential issues or limitations when using 1N4917?

    • One potential issue is the forward voltage drop, which can lead to power loss and heat generation in high-current applications. Additionally, exceeding the maximum ratings can lead to diode failure.

  6. Are there any alternative diodes that can be used in place of 1N4917?

    • Yes, alternatives such as 1N400x series diodes or Schottky diodes can be used depending on the specific requirements of the circuit.

  7. How should 1N4917 be connected in a circuit?

    • The 1N4917 diode should be connected in the circuit with the correct polarity to ensure proper rectification of the AC signal.

  8. What are the temperature considerations for 1N4917?

    • The 1N4917 diode has a maximum operating junction temperature of 175°C, so thermal management is important in high-power applications.

  9. Can 1N4917 be used in high-frequency applications?

    • While 1N4917 can function at moderate frequencies, it may not be suitable for very high-frequency applications due to its inherent capacitance and switching characteristics.

  10. Where can I purchase 1N4917 diodes?

    • 1N4917 diodes are available from various electronic component distributors, both online and in physical stores. They are also commonly stocked by many electronics parts suppliers.