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BC858ALT1G
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BC858ALT1G

Product Overview

Category: Transistor
Use: Amplification and switching in electronic circuits
Characteristics: Small signal NPN transistor, low power dissipation, high current gain
Package: SOT-23
Essence: High performance and reliability
Packaging/Quantity: Reel, 3000 units

Specifications

  • Collector-Emitter Voltage (VCEO): 30V
  • Collector-Base Voltage (VCBO): 30V
  • Emitter-Base Voltage (VEBO): 5V
  • Collector Current (IC): 100mA
  • Power Dissipation (PD): 225mW
  • Transition Frequency (fT): 150MHz
  • 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
  • Small size
  • High voltage capability

Advantages and Disadvantages

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

Disadvantages: - Limited power dissipation may restrict use in high-power applications - Relatively low collector current compared to other transistors

Working Principles

BC858ALT1G 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, a larger current flows from the collector to the emitter, allowing for signal amplification and switching.

Detailed Application Field Plans

  1. Audio Amplification: BC858ALT1G can be used in audio amplifiers due to its low noise characteristics and high current gain.
  2. Signal Switching: It can be employed in electronic switches to control the flow of signals in various circuits.
  3. Sensor Interface Circuits: The transistor can be utilized in sensor interface circuits to amplify weak sensor signals.

Detailed and Complete Alternative Models

  1. BC847ALT1G
  2. BC856ALT1G
  3. BC859ALT1G

This completes the English editing encyclopedia entry structure for BC858ALT1G.

10个与BC858ALT1G在技术解决方案中的应用相关的常见问题及解答

  1. What is BC858ALT1G?

    • BC858ALT1G is a general-purpose PNP transistor commonly used in amplification and switching applications.

  2. What are the typical applications of BC858ALT1G?

    • BC858ALT1G is often used in audio amplifiers, signal processing circuits, and voltage regulators.

  3. What is the maximum collector current of BC858ALT1G?

    • The maximum collector current (Ic) of BC858ALT1G is 100mA.

  4. What is the maximum collector-emitter voltage of BC858ALT1G?

    • The maximum collector-emitter voltage (Vce) of BC858ALT1G is 30V.

  5. What is the gain (hfe) of BC858ALT1G?

    • The typical DC current gain (hfe) of BC858ALT1G is 110-800.

  6. Is BC858ALT1G suitable for low-power applications?

    • Yes, BC858ALT1G is suitable for low-power applications due to its low collector current and voltage ratings.

  7. Can BC858ALT1G be used in high-frequency circuits?

    • BC858ALT1G has moderate frequency capabilities and can be used in some high-frequency circuits, but it's not ideal for very high-speed applications.

  8. What are the package options available for BC858ALT1G?

    • BC858ALT1G is available in SOT-23 surface mount package, which is suitable for compact designs.

  9. Does BC858ALT1G require external biasing components?

    • Yes, BC858ALT1G requires appropriate biasing resistors and capacitors for proper operation in most circuit configurations.

  10. Where can I find detailed specifications and application notes for BC858ALT1G?

    • Detailed specifications and application notes for BC858ALT1G can be found in the datasheet provided by the manufacturer or distributor.