ON Semiconductor
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BC856ALT1G
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BC856ALT1G

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: High-performance small signal transistor
Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

  • Collector-Base Voltage (VCBO): 45V
  • Collector-Emitter Voltage (VCEO): 45V
  • Emitter-Base Voltage (VEBO): 5V
  • Collector Current (IC): 100mA
  • Power Dissipation (Ptot): 225mW
  • Transition Frequency (fT): 150MHz

Detailed Pin Configuration

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

Functional Features

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

Advantages and Disadvantages

Advantages: - High current gain allows for amplification of weak signals - Low voltage drop minimizes power dissipation - Small package size enables compact circuit design

Disadvantages: - Limited collector current compared to power transistors - Limited power dissipation capability

Working Principles

The BC856ALT1G is a small signal NPN transistor that operates by controlling the flow of current between its collector and emitter terminals using the base terminal. When a small current is applied to the base, it allows a larger current to flow from the collector to the emitter, enabling amplification and switching functions in electronic circuits.

Detailed Application Field Plans

The BC856ALT1G is commonly used in audio amplifiers, signal processing circuits, and low-power switching applications. Its high current gain and low voltage drop make it suitable for amplifying weak signals and driving small loads in various electronic devices.

Detailed and Complete Alternative Models

  • BC846ALT1G
  • BC847ALT1G
  • BC857ALT1G
  • BC858ALT1G

The BC856ALT1G belongs to the category of small signal transistors and is widely used for amplification and switching in electronic circuits. With its high current gain, low voltage drop, and compact SOT-23 package, it offers versatile performance in various applications. However, its limited collector current and power dissipation capabilities should be considered when selecting alternative models for higher power requirements.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BC856ALT1G v technických řešeních

  1. What is the BC856ALT1G transistor used for?

    • The BC856ALT1G is a general-purpose PNP transistor commonly used in amplification and switching applications.

  2. What are the key features of the BC856ALT1G transistor?

    • The BC856ALT1G transistor features low power dissipation, high current gain, and low noise.

  3. What are the typical applications of the BC856ALT1G transistor?

    • Typical applications include audio amplification, signal processing, and low-power switching circuits.

  4. What is the maximum collector current of the BC856ALT1G transistor?

    • The maximum collector current (Ic) of the BC856ALT1G transistor is 100mA.

  5. What is the maximum collector-emitter voltage of the BC856ALT1G transistor?

    • The maximum collector-emitter voltage (Vce) of the BC856ALT1G transistor is 65V.

  6. What is the maximum power dissipation of the BC856ALT1G transistor?

    • The maximum power dissipation of the BC856ALT1G transistor is 200mW.

  7. What are the recommended operating conditions for the BC856ALT1G transistor?

    • The recommended operating conditions include a collector current (Ic) of 10mA to 100mA and a collector-emitter voltage (Vce) of 5V to 50V.

  8. Is the BC856ALT1G transistor suitable for low-noise amplifier designs?

    • Yes, the BC856ALT1G transistor's low noise characteristics make it suitable for low-noise amplifier designs.

  9. Can the BC856ALT1G transistor be used in audio amplifier circuits?

    • Yes, the BC856ALT1G transistor is commonly used in low-power audio amplifier circuits due to its high current gain and low noise.

  10. Are there any specific thermal considerations when using the BC856ALT1G transistor?

    • It is important to consider proper heat sinking or thermal management for the BC856ALT1G transistor, especially when operating at higher currents or power levels.