Microsemi Corporation
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1N985B
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1N985B Semiconductor Diode

Product Overview

Category:

The 1N985B is a semiconductor diode belonging to the category of rectifier diodes.

Use:

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

Characteristics:

  • Forward Voltage Drop: Typically around 0.7V
  • Reverse Leakage Current: Low leakage current
  • Maximum Reverse Voltage: Varies based on specific model
  • Operating Temperature Range: -65°C to +175°C

Package:

The 1N985B diode is typically available in a variety of packages including DO-41, DO-15, and axial-lead glass.

Essence:

This diode is essential for converting alternating current (AC) to direct current (DC) in electronic circuits.

Packaging/Quantity:

The diode is usually packaged in reels, tubes, or bulk quantities depending on the manufacturer's specifications.

Specifications

  • Maximum Reverse Voltage: Varies by specific model (e.g., 50V, 100V, 200V)
  • Maximum Forward Current: Typically 1A to 3A
  • Reverse Recovery Time: In nanoseconds
  • Power Dissipation: Varies based on package and mounting conditions

Detailed Pin Configuration

The 1N985B diode typically has two leads with the anode and cathode clearly marked. The pin configuration is as follows: - Anode (A) - Positive terminal - Cathode (K) - Negative terminal

Functional Features

  • Rectification: Converts AC to DC
  • Voltage Regulation: Helps maintain a stable output voltage
  • Fast Switching: Enables quick response in electronic circuits

Advantages

  • Low forward voltage drop
  • High reliability and long operational life
  • Wide operating temperature range
  • Compact and versatile packaging options

Disadvantages

  • Higher reverse recovery time compared to Schottky diodes
  • Limited maximum reverse voltage compared to other diode types

Working Principles

The 1N985B diode 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 a low voltage drop, and when reverse biased, it exhibits minimal leakage current.

Detailed Application Field Plans

The 1N985B diode finds extensive use in various applications including: - Power supplies - Battery chargers - Voltage multipliers - Rectifiers in electronic equipment

Detailed and Complete Alternative Models

Some alternative models to the 1N985B diode include: - 1N4001, 1N4004, 1N4007 - 1N5400, 1N5404, 1N5408 - 1N5817, 1N5819 - 1N4148, 1N914

In conclusion, the 1N985B semiconductor diode is a crucial component in electronic circuits, providing efficient rectification and voltage regulation. Its compact packaging and reliable performance make it a popular choice in various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N985B v technických řešeních

  1. What is 1N985B?

    • 1N985B is a high-voltage rectifier diode commonly used in technical solutions for its ability to handle high voltage and current.

  2. What are the typical applications of 1N985B?

    • 1N985B is often used in power supplies, inverters, and other high-voltage electronic circuits.

  3. What is the maximum voltage and current rating of 1N985B?

    • The maximum voltage rating is typically around 1500V, and the current rating is usually in the range of 10-20A.

  4. How does 1N985B compare to other high-voltage diodes?

    • 1N985B offers a good balance of voltage and current handling capabilities, making it suitable for a wide range of applications.

  5. Are there any specific thermal considerations when using 1N985B?

    • Yes, due to its high-power handling capability, proper heat sinking and thermal management are important when using 1N985B in technical solutions.

  6. Can 1N985B be used in reverse-biased applications?

    • Yes, 1N985B can handle reverse voltages up to its maximum rating, making it suitable for both forward and reverse-biased applications.

  7. What are the key parameters to consider when selecting 1N985B for a specific application?

    • Voltage and current requirements, switching speed, and thermal considerations are key parameters to consider when selecting 1N985B for a technical solution.

  8. Are there any common failure modes associated with 1N985B?

    • Overheating due to inadequate thermal management and exceeding maximum voltage or current ratings are common causes of failure for 1N985B.

  9. Can 1N985B be used in high-frequency applications?

    • While 1N985B can be used in some high-frequency applications, its switching speed may limit its suitability for very high-frequency circuits.

  10. Are there any recommended circuit layouts or PCB design considerations for using 1N985B?

    • Proper layout to minimize parasitic inductance and capacitance, as well as adequate trace widths for high-current paths, are important considerations when designing PCBs for 1N985B applications.