Vishay Semiconductor Diodes Division
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MMBD914-HE3-18
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MMBD914-HE3-18

Introduction

The MMBD914-HE3-18 is a diode belonging to the category of small signal diodes. This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

Basic Information Overview

  • Category: Small Signal Diode
  • Use: The MMBD914-HE3-18 is commonly used in applications requiring signal switching, clipping, clamping, and detection.
  • Characteristics: It exhibits low forward voltage drop, fast switching speed, and high reliability.
  • Package: SOT-23
  • Essence: The diode is designed for general-purpose use in electronic circuits.
  • Packaging/Quantity: Available in tape and reel packaging with quantities varying based on supplier.

Specifications

  • Maximum Reverse Voltage: 75V
  • Forward Continuous Current: 200mA
  • Reverse Recovery Time: 4ns
  • Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The MMBD914-HE3-18 has three pins: Anode, Cathode, and No Connection (NC).

Functional Features

  • Fast Switching Speed: Enables quick response in signal switching applications.
  • Low Forward Voltage Drop: Ensures minimal power loss during forward conduction.
  • High Reliability: Provides consistent performance over a wide range of operating conditions.

Advantages and Disadvantages

Advantages

  • Small form factor
  • Low forward voltage drop
  • Fast switching speed

Disadvantages

  • Limited maximum reverse voltage
  • Moderate forward continuous current rating

Working Principles

The MMBD914-HE3-18 operates based on the principles of semiconductor junction behavior. When forward biased, it allows current flow, while in reverse bias, it blocks the current flow.

Detailed Application Field Plans

The diode finds extensive use in: - Signal Switching Circuits - Clipping and Clamping Circuits - Detection Circuits

Detailed and Complete Alternative Models

  • 1N4148: Similar small signal diode with comparable characteristics
  • BAV99: Dual diode with similar package and characteristics

In conclusion, the MMBD914-HE3-18 is a versatile small signal diode suitable for various electronic applications due to its fast switching speed, low forward voltage drop, and high reliability.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací MMBD914-HE3-18 v technických řešeních

Sure, here are 10 common questions and answers related to the application of MMBD914-HE3-18 in technical solutions:

  1. What is the MMBD914-HE3-18?

    • The MMBD914-HE3-18 is a dual common cathode Schottky diode with a maximum repetitive peak reverse voltage of 40V and a forward current of 200mA.

  2. What are the typical applications of MMBD914-HE3-18?

    • It is commonly used in high-speed switching applications, voltage clamping, protection circuits, and polarity correction.

  3. What is the maximum forward voltage drop of MMBD914-HE3-18?

    • The maximum forward voltage drop at a forward current of 10mA is typically around 0.45V.

  4. What is the reverse leakage current of MMBD914-HE3-18?

    • The reverse leakage current at the maximum reverse voltage is typically less than 5µA.

  5. Can MMBD914-HE3-18 be used for low voltage rectification?

    • Yes, it can be used for low voltage rectification due to its low forward voltage drop and fast switching characteristics.

  6. What is the operating temperature range of MMBD914-HE3-18?

    • The operating temperature range is typically from -65°C to +150°C.

  7. Is MMBD914-HE3-18 suitable for high-frequency applications?

    • Yes, it is suitable for high-frequency applications due to its fast switching speed and low junction capacitance.

  8. How does MMBD914-HE3-18 compare to other similar diodes in terms of performance?

    • Compared to other similar diodes, MMBD914-HE3-18 offers lower forward voltage drop and faster switching speed, making it suitable for high-efficiency applications.

  9. Can MMBD914-HE3-18 be used in automotive electronics?

    • Yes, it can be used in automotive electronics for applications such as voltage clamping and protection circuits.

  10. Are there any specific layout considerations when using MMBD914-HE3-18 in a circuit?

    • It is important to minimize the length of the traces connected to the diode to reduce parasitic inductance and ensure proper heat dissipation for reliable operation.

I hope these questions and answers provide you with the information you were looking for! Let me know if you need further assistance.