Diodes Incorporated
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BC817-40W-7
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BC817-40W-7

Product Overview

Category

The BC817-40W-7 belongs to the category of NPN general-purpose transistors.

Use

It is commonly used for amplification and switching purposes in various electronic circuits.

Characteristics

  • Low current and low voltage operation
  • High current gain
  • Fast switching speed

Package

The BC817-40W-7 is available in a SOT-323 package.

Essence

This transistor is essential for small signal amplification and switching applications.

Packaging/Quantity

The BC817-40W-7 is typically packaged in reels with quantities varying based on manufacturer specifications.

Specifications

  • Collector-Base Voltage (VCBO): 45V
  • Collector-Emitter Voltage (VCEO): 45V
  • Emitter-Base Voltage (VEBO): 5V
  • Collector Current (IC): 500mA
  • Power Dissipation (Ptot): 330mW
  • Transition Frequency (ft): 100MHz

Detailed Pin Configuration

The BC817-40W-7 transistor has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

  • Small signal amplification
  • Switching applications
  • Suitable for low-power electronic circuits

Advantages

  • High current gain
  • Fast switching speed
  • Low power dissipation

Disadvantages

  • Limited collector current compared to power transistors
  • Limited power dissipation capability

Working Principles

The BC817-40W-7 operates based on the principles of bipolar junction transistors, where the flow of current is controlled by the application of a small input signal at the base terminal, resulting in amplified output current at the collector terminal.

Detailed Application Field Plans

The BC817-40W-7 is widely used in: - Audio amplifiers - Signal processing circuits - Switching circuits - Oscillator circuits

Detailed and Complete Alternative Models

Some alternative models to the BC817-40W-7 include: - BC846 series - BC847 series - BC848 series

In conclusion, the BC817-40W-7 NPN transistor is a versatile component suitable for various small signal amplification and switching applications in electronic circuits. Its high current gain and fast switching speed make it an ideal choice for low-power designs. However, its limitations in collector current and power dissipation should be considered when selecting this transistor for specific applications.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق BC817-40W-7 في الحلول التقنية

  1. What is the maximum collector current of BC817-40W-7?

    • The maximum collector current of BC817-40W-7 is 500mA.

  2. What is the maximum power dissipation of BC817-40W-7?

    • The maximum power dissipation of BC817-40W-7 is 625mW.

  3. What is the voltage rating of BC817-40W-7?

    • The voltage rating of BC817-40W-7 is 45V.

  4. What are the typical applications of BC817-40W-7?

    • BC817-40W-7 is commonly used in audio amplification, switching circuits, and general purpose applications.

  5. What is the gain (hfe) of BC817-40W-7?

    • The gain (hfe) of BC817-40W-7 typically ranges from 200 to 450.

  6. Is BC817-40W-7 suitable for low noise applications?

    • Yes, BC817-40W-7 is suitable for low noise applications due to its low equivalent input noise.

  7. Can BC817-40W-7 be used in high frequency applications?

    • Yes, BC817-40W-7 can be used in high frequency applications due to its high transition frequency (ft) of 150MHz.

  8. What is the package type of BC817-40W-7?

    • BC817-40W-7 is available in a SOT-323 surface mount package.

  9. Does BC817-40W-7 have built-in protection features?

    • BC817-40W-7 does not have built-in protection features and external protection components may be required in certain applications.

  10. What are the recommended operating conditions for BC817-40W-7?

    • The recommended operating conditions for BC817-40W-7 include a collector current (IC) of 100mA, a collector-emitter voltage (VCE) of 45V, and an ambient temperature range of -55°C to 150°C.