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BC847CW-7-F
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BC847CW-7-F

Product Overview

Category: Transistor
Use: Amplification and switching in electronic circuits
Characteristics: Small signal NPN transistor, high current gain, low voltage drop
Package: SOT-23
Essence: Essential for small signal amplification and switching applications
Packaging/Quantity: Available in reels of 3000 units

Specifications

  • Collector-Base Voltage (VCBO): 50V
  • Collector-Emitter Voltage (VCEO): 45V
  • Emitter-Base Voltage (VEBO): 6V
  • Collector Current (IC): 100mA
  • Power Dissipation (Pd): 250mW
  • Transition Frequency (ft): 200MHz
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

  1. Emitter (E)
  2. Base (B)
  3. Collector (C)

Functional Features

  • High current gain
  • Low noise
  • Fast switching speed
  • Small package size

Advantages and Disadvantages

Advantages: - High current gain allows for efficient amplification - Small package size enables compact circuit design - Low noise makes it suitable for audio applications

Disadvantages: - Limited power dissipation capability - Relatively low collector current rating

Working Principles

The BC847CW-7-F operates as a small signal NPN transistor, where the base-emitter junction controls the flow of current between the collector and emitter. When a small current is applied to the base, it modulates the larger current flowing from the collector to the emitter, allowing for amplification or switching of signals.

Detailed Application Field Plans

  1. Audio Amplification: Utilized in audio amplifier circuits due to its low noise characteristics.
  2. Signal Switching: Used in electronic switches to control the flow of signals in various applications.
  3. Sensor Interface Circuits: Employed in sensor interface circuits for signal conditioning and amplification.

Detailed and Complete Alternative Models

  1. BC846BW: Similar small signal NPN transistor with slightly different specifications.
  2. BC848CW: Higher current gain version of the BC847CW-7-F for specific applications.

Note: The above information provides a comprehensive overview of the BC847CW-7-F transistor, including its specifications, functional features, application field plans, and alternative models.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av BC847CW-7-F i tekniska lösningar

  1. What is the maximum collector current of BC847CW-7-F?

    • The maximum collector current of BC847CW-7-F is 100mA.

  2. What is the typical hFE (DC current gain) of BC847CW-7-F?

    • The typical hFE of BC847CW-7-F is 200-450 at a collector current of 2mA.

  3. What is the maximum power dissipation of BC847CW-7-F?

    • The maximum power dissipation of BC847CW-7-F is 250mW.

  4. What are the typical applications for BC847CW-7-F?

    • BC847CW-7-F is commonly used in low-power amplification and switching applications, such as in audio amplifiers, signal processing circuits, and sensor interfaces.

  5. What is the voltage rating of BC847CW-7-F?

    • BC847CW-7-F has a maximum collector-base voltage (VCBO) of 45V and a maximum emitter-base voltage (VEBO) of 6V.

  6. Is BC847CW-7-F suitable for SMD (Surface Mount Device) applications?

    • Yes, BC847CW-7-F is designed for SMD applications and is available in a SOT-23 package.

  7. What are the temperature specifications for BC847CW-7-F?

    • BC847CW-7-F has an operating temperature range of -55°C to 150°C.

  8. Can BC847CW-7-F be used in high-frequency applications?

    • BC847CW-7-F can be used in moderate frequency applications, but it may not be suitable for very high-frequency designs due to its transition frequency characteristics.

  9. Does BC847CW-7-F require external biasing components?

    • Yes, BC847CW-7-F typically requires external biasing resistors and capacitors for proper operation in amplifier and switching circuits.

  10. Are there any recommended alternative transistors to BC847CW-7-F?

    • Some alternative transistors with similar characteristics to BC847CW-7-F include BC846BW, BC848BW, and BC849BW. Always refer to the datasheets for specific comparisons and suitability for your application.