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1N5238B
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1N5238B

Product Overview

Category

The 1N5238B is a Zener diode, which falls under the category of semiconductor devices.

Use

It is commonly used for voltage regulation and voltage reference applications.

Characteristics

  • The 1N5238B has a nominal Zener voltage of 6.2V.
  • It exhibits sharp breakdown voltage with low dynamic impedance.
  • This diode operates in the reverse bias mode.

Package

The 1N5238B is typically available in a DO-35 glass axial package.

Essence

This Zener diode serves as a crucial component in electronic circuits for maintaining stable voltage levels.

Packaging/Quantity

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

Specifications

  • Zener Voltage: 6.2V
  • Power Dissipation: 500mW
  • Operating Temperature Range: -65°C to +200°C
  • Forward Voltage: 1.2V
  • Reverse Current: 5μA

Detailed Pin Configuration

The 1N5238B Zener diode features a standard axial lead configuration with two terminals.

Functional Features

  • Provides precise voltage regulation.
  • Offers protection against voltage spikes and surges.
  • Exhibits stable performance over a wide temperature range.

Advantages and Disadvantages

Advantages

  • Accurate voltage regulation.
  • Robust construction for reliability.
  • Wide operating temperature range.

Disadvantages

  • Limited power dissipation capability.
  • Sensitivity to excessive current and voltage.

Working Principles

The 1N5238B operates based on the principle of the Zener effect, where it maintains a constant voltage drop across its terminals when operated in the reverse breakdown region.

Detailed Application Field Plans

Voltage Regulation

The 1N5238B is widely used in power supply circuits to maintain a stable output voltage, ensuring proper functioning of electronic devices.

Voltage Reference

In precision measurement equipment and instrumentation, this Zener diode serves as a reliable voltage reference source for accurate readings.

Overvoltage Protection

It is employed in circuitry designed to safeguard sensitive components from voltage transients and overvoltage conditions.

Detailed and Complete Alternative Models

  • 1N5221B (4.3V)
  • 1N5229B (7.5V)
  • 1N5240B (8.2V)
  • 1N5248B (18V)

In conclusion, the 1N5238B Zener diode is a fundamental component in electronic circuits, offering precise voltage regulation and protection. Its characteristics, specifications, and application versatility make it an essential device in various electronic systems.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N5238B v technických řešeních

  1. What is the 1N5238B diode used for?

    • The 1N5238B is a Zener diode commonly used for voltage regulation and protection in electronic circuits.

  2. What is the voltage rating of the 1N5238B diode?

    • The 1N5238B has a nominal Zener voltage of 8.2 volts.

  3. What is the maximum power dissipation of the 1N5238B diode?

    • The maximum power dissipation of the 1N5238B diode is typically around 500 mW.

  4. How does the 1N5238B diode regulate voltage?

    • The 1N5238B diode regulates voltage by maintaining a constant voltage drop across its terminals, even when the current through it varies.

  5. Can the 1N5238B be used for overvoltage protection?

    • Yes, the 1N5238B can be used for overvoltage protection by shunting excess voltage to ground once the Zener voltage is reached.

  6. What are typical applications of the 1N5238B diode?

    • Typical applications include voltage regulation in power supplies, overvoltage protection in electronic circuits, and as a voltage reference.

  7. What is the temperature coefficient of the 1N5238B diode?

    • The temperature coefficient of the 1N5238B diode is typically around -2 mV/°C, meaning its Zener voltage decreases with increasing temperature.

  8. What is the maximum current the 1N5238B diode can handle?

    • The 1N5238B diode can handle a maximum current of around 20 mA.

  9. Is the 1N5238B diode polarized?

    • Yes, the 1N5238B diode is polarized and must be connected with the correct orientation in a circuit.

  10. Are there any alternative diodes that can be used in place of the 1N5238B?

    • Yes, other Zener diodes with similar voltage ratings and characteristics, such as the 1N5239B or 1N5240B, can be used as alternatives to the 1N5238B.