Microsemi Corporation
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1N5938B
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1N5938B Diode

Product Overview

Category

The 1N5938B 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 capability
  • Reverse breakdown voltage of 3.9V
  • Low leakage current
  • Small form factor

Package

The 1N5938B is typically available in a DO-41 package.

Packaging/Quantity

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

Specifications

  • Reverse Breakdown Voltage: 3.9V
  • Power Dissipation: 1.5W
  • Maximum Forward Voltage: 1.2V
  • Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N5938B Zener diode has two pins, with the cathode being marked by a band on the body of the diode.

Functional Features

  • Provides stable voltage regulation
  • Protects circuits from overvoltage conditions
  • Low reverse leakage current

Advantages

  • Precise voltage regulation
  • Compact size
  • Wide operating temperature range

Disadvantages

  • Limited power dissipation capability
  • Sensitive to temperature variations

Working Principles

The 1N5938B 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 1N5938B is widely used in: - Voltage regulators - Overvoltage protection circuits - Power supplies - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N5938B include: - 1N4728A - BZX55C3V9 - 1N5226B - 1N5338B

This provides a comprehensive overview of the 1N5938B Zener diode, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1N5938B en soluciones técnicas

  1. What is the 1N5938B diode used for?

    • The 1N5938B diode is commonly used for voltage regulation and protection in electronic circuits.

  2. What is the maximum forward voltage drop of the 1N5938B diode?

    • The maximum forward voltage drop of the 1N5938B diode is typically around 1.5 volts at a forward current of 3.0 A.

  3. What is the reverse voltage rating of the 1N5938B diode?

    • The 1N5938B diode has a reverse voltage rating of 75 volts.

  4. Can the 1N5938B diode handle high current applications?

    • Yes, the 1N5938B diode is designed to handle high current applications with a maximum forward current of 3.0 A.

  5. Is the 1N5938B diode suitable for use in automotive electronics?

    • Yes, the 1N5938B diode is often used in automotive electronics for voltage regulation and protection.

  6. What is the temperature range for the 1N5938B diode?

    • The 1N5938B diode is typically rated for operation within a temperature range of -65°C to +175°C.

  7. Does the 1N5938B diode require a heat sink for high power applications?

    • Yes, for high power applications, it is recommended to use a heat sink to dissipate the heat generated by the diode.

  8. Can the 1N5938B diode be used in reverse polarity protection circuits?

    • Yes, the 1N5938B diode is commonly used in reverse polarity protection circuits to prevent damage from reverse voltage.

  9. What are some typical applications for the 1N5938B diode?

    • Typical applications include voltage regulation, overvoltage protection, and general purpose rectification in various electronic circuits.

  10. Is the 1N5938B diode RoHS compliant?

    • Yes, the 1N5938B diode is typically RoHS compliant, making it suitable for use in environmentally conscious designs.