ON Semiconductor
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BC817-25LT3G
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BC817-25LT3G

Product Overview

Category

The BC817-25LT3G belongs to the category of small signal transistors.

Use

It is commonly used in amplification and switching applications in electronic circuits.

Characteristics

  • Low voltage, high current capability
  • High hFE (DC current gain)
  • Low noise
  • Fast switching speed

Package

The BC817-25LT3G is available in a SOT-23 package.

Essence

This transistor is essential for amplifying weak signals and controlling higher power devices in various electronic applications.

Packaging/Quantity

The BC817-25LT3G 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 (PD): 330mW
  • Transition Frequency (fT): 100MHz

Detailed Pin Configuration

The BC817-25LT3G has three pins: Collector (C), Base (B), and Emitter (E).

Functional Features

  • High current gain
  • Low saturation voltage
  • Fast switching speed
  • Low noise

Advantages

  • Small and compact package
  • Suitable for low-power applications
  • High current gain for amplification

Disadvantages

  • Limited power dissipation capability
  • Relatively low collector-emitter voltage rating

Working Principles

The BC817-25LT3G operates as a bipolar junction transistor (BJT) where the flow of current between the collector and emitter is controlled by the current at the base terminal.

Detailed Application Field Plans

The BC817-25LT3G is widely used in: - Audio amplifiers - Signal processing circuits - Switching circuits - Sensor interfaces

Detailed and Complete Alternative Models

Some alternative models to the BC817-25LT3G include: - BC846 series - BC847 series - BC848 series

In conclusion, the BC817-25LT3G is a versatile small signal transistor with high current gain and fast switching speed, making it suitable for a wide range of electronic applications.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением BC817-25LT3G в технических решениях.

  1. What is the maximum collector current of BC817-25LT3G?

    • The maximum collector current of BC817-25LT3G is 500mA.

  2. What is the maximum collector-emitter voltage of BC817-25LT3G?

    • The maximum collector-emitter voltage of BC817-25LT3G is 45V.

  3. What is the typical hFE (DC current gain) of BC817-25LT3G?

    • The typical hFE of BC817-25LT3G is 250-600 at a collector current of 100mA.

  4. What are the typical applications for BC817-25LT3G?

    • Typical applications include general-purpose switching and amplification in various electronic circuits.

  5. What is the maximum power dissipation of BC817-25LT3G?

    • The maximum power dissipation of BC817-25LT3G is 625mW.

  6. What is the thermal resistance of BC817-25LT3G?

    • The thermal resistance from junction to ambient is approximately 357°C/W.

  7. Is BC817-25LT3G suitable for use in low-power audio amplifiers?

    • Yes, BC817-25LT3G can be used in low-power audio amplifier applications.

  8. Can BC817-25LT3G be used in battery-powered devices?

    • Yes, BC817-25LT3G is suitable for use in battery-powered devices due to its low collector current and power dissipation.

  9. What are the recommended operating temperature range for BC817-25LT3G?

    • The recommended operating temperature range for BC817-25LT3G is -55°C to 150°C.

  10. Is BC817-25LT3G RoHS compliant?

    • Yes, BC817-25LT3G is RoHS compliant, making it suitable for environmentally friendly designs.