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BC808-40

BC808-40 Transistor SOT-23 3-Pin

Quantity Unit Price(USD) Ext. Price
1 $0.054 $0.05
200 $0.020 $4.00
500 $0.020 $10.00
1000 $0.020 $20.00

Inventory:9,557

*The price is for reference only.
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Overview of BC808-40

The BC808-40 is a PNP bipolar junction transistor (BJT) designed for general-purpose amplification and switching applications. This transistor is commonly used in audio amplifiers, signal processing circuits, and voltage regulators for its excellent performance characteristics.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • Collector (C): Output
  • Base (B): Input
  • Emitter (E): Ground

Circuit Diagram

Incorporate a circuit diagram that illustrates the connections and operation of the BC808-40 for a more visual representation.

Key Features

  • PNP BJT:The BC808-40 is a PNP bipolar junction transistor, allowing for high current amplification and switching capabilities.
  • Low Noise:This transistor offers low noise performance, making it suitable for audio amplification and signal processing applications.
  • High Current Gain:The BC808-40 has a high current gain, ensuring efficient amplification of input signals.
  • Low Power Consumption:With its low power dissipation, this transistor is energy-efficient and suitable for battery-operated devices.
  • High Voltage Rating: The BC808-40 can withstand relatively high voltages, making it suitable for voltage regulation applications.

Note: For detailed technical specifications, please refer to the BC808-40 datasheet.

Application

  • Audio Amplification: The BC808-40 is commonly used in audio amplifier circuits to amplify sound signals with low noise.
  • Switching Circuits: This transistor can be utilized in switching applications to control the flow of electrical currents.
  • Voltage Regulation: The BC808-40 can be employed in voltage regulator circuits to stabilize and control output voltages.

Functionality

The BC808-40 transistor acts as an amplifier by amplifying input signals at the base terminal and controlling the flow of current between the collector and emitter terminals. It is a versatile component for various electronic circuits.

Usage Guide

  • Power Supply: Connect the collector (C) terminal to the positive power supply, the emitter (E) terminal to ground, and apply the input signal to the base (B) terminal.
  • Amplification: The BC808-40 amplifies the input signal applied to the base terminal and produces a corresponding output signal at the collector terminal.
  • Switching: To use the BC808-40 in a switching circuit, apply a sufficient base current to control the conduction between the collector and emitter terminals.

    • Frequently Asked Questions

    Q: What is the maximum collector current rating of the BC808-40?
    A: The BC808-40 has a maximum collector current rating of 500mA.

    Q: Is the BC808-40 suitable for audio amplifier applications?
    A: Yes, the BC808-40 is commonly used in audio amplifier circuits due to its low noise performance and high current gain.

    Equivalent

    For similar functionalities, consider these alternatives to the BC808-40:

    • 2N3906: Another PNP BJT transistor commonly used in amplification and switching applications.
    • BC557: A PNP BJT transistor with similar characteristics to the BC808-40, suitable for various electronic circuits.
    • BC327: This PNP transistor is also used for amplification and switching purposes, offering similar performance to the BC808-40.

    Specifications

    The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

    Product Category Bipolar Transistors - BJT RoHS Details
    Mounting Style SMD/SMT Package / Case SOT-23
    Transistor Polarity PNP Configuration Single
    Collector- Emitter Voltage VCEO Max 25 V Emitter- Base Voltage VEBO 5 V
    Collector-Emitter Saturation Voltage 700 mV Maximum DC Collector Current 800 mA
    Pd - Power Dissipation 310 mW Gain Bandwidth Product fT 100 MHz
    Minimum Operating Temperature - 55 C Maximum Operating Temperature + 150 C
    Series BCXXX Brand Diotec Semiconductor
    DC Current Gain hFE Max 400 Product Type BJTs - Bipolar Transistors
    Factory Pack Quantity 3000 Subcategory Transistors
    Tradename BC808-40 Unit Weight 0.001376 oz

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