Vishay Semiconductor Diodes Division
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
1N4948GPHE3/73
Lihat Butiran Helaian data

1N4948GPHE3/73

Introduction

The 1N4948GPHE3/73 is a diode belonging to the category of semiconductor devices. This diode is widely used in electronic circuits for its specific characteristics and applications.

Basic Information Overview

  • Category: Semiconductor device, specifically a diode
  • Use: Rectification of alternating current (AC) to direct current (DC), voltage regulation, and signal demodulation
  • Characteristics: High current capability, low forward voltage drop, fast switching speed
  • Package: DO-41 package
  • Essence: Silicon rectifier diode
  • Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

  • Maximum Forward Voltage Drop: 1V
  • Maximum Reverse Voltage: 1000V
  • Maximum Average Forward Current: 1A
  • Maximum Peak Surge Current: 30A
  • Operating Temperature Range: -65°C to 175°C

Detailed Pin Configuration

The 1N4948GPHE3/73 diode has two pins: the anode and the cathode. The anode is connected to the positive terminal of the circuit, while the cathode is connected to the negative terminal.

Functional Features

  • Efficiently converts AC to DC
  • Fast switching speed allows for rapid response in electronic circuits
  • Low forward voltage drop minimizes power loss

Advantages and Disadvantages

Advantages

  • High current capability
  • Low forward voltage drop
  • Fast switching speed

Disadvantages

  • Limited reverse voltage tolerance
  • Susceptible to thermal runaway at high temperatures

Working Principles

The 1N4948GPHE3/73 operates based on the principle of unidirectional conduction, allowing current flow in one direction while blocking it in the opposite direction. When forward-biased, it conducts current with minimal resistance, while in reverse bias, it blocks the flow of current.

Detailed Application Field Plans

The 1N4948GPHE3/73 diode finds extensive use in various applications, including: - Power supply units - Voltage regulators - Signal demodulation circuits - Inverters and converters - Electronic rectifiers

Detailed and Complete Alternative Models

  • 1N4001: A general-purpose diode with similar characteristics
  • 1N5408: Higher voltage rating diode suitable for power applications
  • 1N5819: Schottky diode with lower forward voltage drop

In conclusion, the 1N4948GPHE3/73 diode is a versatile semiconductor device with specific characteristics that make it suitable for a wide range of electronic applications.

[Word count: 398]

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi 1N4948GPHE3/73 dalam penyelesaian teknikal

  1. What is the 1N4948GPHE3/73 diode used for?

    • The 1N4948GPHE3/73 diode is commonly used for general-purpose rectification in electronic circuits.

  2. What are the key specifications of the 1N4948GPHE3/73 diode?

    • The 1N4948GPHE3/73 diode has a maximum repetitive peak reverse voltage of 1000V, a forward current of 1A, and a forward voltage drop of around 1V at 1A.

  3. Can the 1N4948GPHE3/73 diode be used for high-frequency applications?

    • No, this diode is not suitable for high-frequency applications due to its relatively slow recovery time.

  4. Is the 1N4948GPHE3/73 diode suitable for use in switching power supplies?

    • Yes, it can be used in low-power switching applications where fast recovery times are not critical.

  5. What are the typical applications of the 1N4948GPHE3/73 diode?

    • Typical applications include rectification in power supplies, battery chargers, and low-frequency signal detection circuits.

  6. Does the 1N4948GPHE3/73 diode require a heat sink?

    • For most low-power applications, a heat sink is not necessary. However, in high-current applications or when operating near the maximum ratings, a heat sink may be required.

  7. What is the temperature range for the 1N4948GPHE3/73 diode?

    • The 1N4948GPHE3/73 diode is rated for operation over a temperature range of -65°C to +175°C.

  8. Can the 1N4948GPHE3/73 diode handle surge currents?

    • Yes, it has a non-repetitive peak surge current rating of 30A for a 60Hz half-sine wave with a duration of 8.3ms.

  9. Is the 1N4948GPHE3/73 diode sensitive to electrostatic discharge (ESD)?

    • Like most diodes, the 1N4948GPHE3/73 is sensitive to ESD and should be handled with appropriate precautions to prevent damage.

  10. Are there any common failure modes associated with the 1N4948GPHE3/73 diode?

    • Common failure modes include thermal runaway under high-current conditions and reverse breakdown due to excessive reverse voltage. Proper circuit design and protection measures can mitigate these risks.