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BC849CW,135
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BC849CW,135

Product Overview

  • Category: Transistor
  • Use: Amplification of electrical signals
  • Characteristics: Small signal NPN transistor, low power, high voltage
  • Package: SOT23
  • Essence: Miniature surface-mount device
  • Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

  • Type: NPN
  • Voltage - Collector Emitter Breakdown (Max): 30V
  • Current - Collector (Ic) (Max): 100mA
  • Power - Max: 250mW
  • DC Current Gain (hFE) (Min) @ Ic, Vce: 110 @ 2mA, 5V
  • Transition Frequency: 150MHz

Detailed Pin Configuration

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

Functional Features

  • High current gain
  • Low noise
  • Fast switching speed

Advantages

  • Small package size
  • Wide voltage range
  • Suitable for high-speed switching applications

Disadvantages

  • Limited power handling capability
  • Sensitive to temperature variations

Working Principles

The BC849CW,135 operates as a small-signal NPN transistor, amplifying electrical signals by controlling the flow of current between its collector and emitter terminals based on the voltage applied to the base terminal.

Detailed Application Field Plans

  1. Audio amplification circuits
  2. Signal processing circuits
  3. Switching circuits

Detailed and Complete Alternative Models

  1. BC847CW,135
  2. BC850CW,135
  3. 2N3904

This comprehensive entry provides an in-depth understanding of the BC849CW,135, covering its specifications, features, advantages, disadvantages, working principles, application field plans, and alternative models.

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10個與BC849CW,135在技術方案中應用相關的常見問題與解答

  1. What is the maximum collector current of BC849CW,135?

    • The maximum collector current of BC849CW,135 is 100mA.

  2. What is the voltage rating of BC849CW,135?

    • The voltage rating of BC849CW,135 is 30V.

  3. What are the typical applications of BC849CW,135?

    • BC849CW,135 is commonly used in low-power amplification and switching applications.

  4. What is the gain bandwidth product of BC849CW,135?

    • The gain bandwidth product of BC849CW,135 is typically around 250MHz.

  5. What is the maximum power dissipation of BC849CW,135?

    • The maximum power dissipation of BC849CW,135 is 300mW.

  6. Is BC849CW,135 suitable for high-frequency applications?

    • Yes, BC849CW,135 is suitable for high-frequency applications due to its relatively high gain bandwidth product.

  7. What is the thermal resistance of BC849CW,135?

    • The thermal resistance of BC849CW,135 is approximately 200°C/W.

  8. Can BC849CW,135 be used in audio amplifier circuits?

    • Yes, BC849CW,135 can be used in low-power audio amplifier circuits.

  9. Does BC849CW,135 have a low noise figure?

    • Yes, BC849CW,135 has a relatively low noise figure, making it suitable for low-noise amplifier applications.

  10. What are the package options available for BC849CW,135?

    • BC849CW,135 is available in SOT-23 surface mount package.