ON Semiconductor
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BC846ALT1G
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BC846ALT1G

1. Introduction

BC846ALT1G is a versatile NPN bipolar junction transistor (BJT) belonging to the category of small signal transistors. It is commonly used in various electronic applications due to its high frequency and low power characteristics.

2. Basic Information Overview

  • Category: Small Signal Transistor
  • Use: Amplification, Switching
  • Characteristics: High frequency, Low power
  • Package: SOT-23
  • Essence: NPN BJT
  • Packaging/Quantity: Reel, 3000 units per reel

3. Specifications

  • Collector-Base Voltage (VCBO): 80V
  • Collector-Emitter Voltage (VCEO): 65V
  • Emitter-Base Voltage (VEBO): 6V
  • Collector Current (IC): 100mA
  • Power Dissipation (Ptot): 250mW
  • Transition Frequency (fT): 100MHz

4. Detailed Pin Configuration

The BC846ALT1G transistor has three pins: Collector (C), Base (B), and Emitter (E).

5. Functional Features

  • High transition frequency for improved performance in high-frequency applications.
  • Low power consumption suitable for battery-operated devices.
  • Small package size for space-constrained designs.

6. Advantages and Disadvantages

Advantages

  • High frequency capability
  • Low power consumption
  • Small package size

Disadvantages

  • Limited collector current compared to other transistors in the same category

7. Working Principles

BC846ALT1G operates as a current-controlled switch or amplifier. When a small current flows into the base, it controls a much larger current between the collector and emitter, allowing it to amplify signals or act as a switch in electronic circuits.

8. Detailed Application Field Plans

  • Audio amplifiers
  • RF amplifiers
  • Oscillators
  • Switching circuits

9. Detailed and Complete Alternative Models

  • BC847ALT1G
  • BC848ALT1G
  • BC849ALT1G
  • 2N3904
  • 2N2222A

In conclusion, BC846ALT1G is a small signal transistor with high frequency and low power characteristics, making it suitable for a wide range of electronic applications. Its compact package and versatile functionality make it a popular choice among designers and engineers.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan BC846ALT1G dalam solusi teknis

  1. What is the maximum continuous collector current of BC846ALT1G?

    • The maximum continuous collector current of BC846ALT1G is 100 mA.

  2. What is the typical collector-emitter saturation voltage of BC846ALT1G?

    • The typical collector-emitter saturation voltage of BC846ALT1G is 250 mV at 10 mA.

  3. What is the maximum power dissipation of BC846ALT1G?

    • The maximum power dissipation of BC846ALT1G is 250 mW.

  4. What are the typical applications for BC846ALT1G?

    • BC846ALT1G is commonly used in general-purpose switching and amplification applications.

  5. What is the maximum DC current gain (hFE) of BC846ALT1G?

    • The maximum DC current gain (hFE) of BC846ALT1G is 420 at 2 mA.

  6. What is the maximum collector-base voltage of BC846ALT1G?

    • The maximum collector-base voltage of BC846ALT1G is 80 V.

  7. What is the operating temperature range of BC846ALT1G?

    • The operating temperature range of BC846ALT1G is -55°C to 150°C.

  8. Is BC846ALT1G RoHS compliant?

    • Yes, BC846ALT1G is RoHS compliant, making it suitable for use in environmentally sensitive applications.

  9. What is the package type of BC846ALT1G?

    • BC846ALT1G is available in a SOT-23 surface mount package.

  10. Can BC846ALT1G be used in low-power audio amplifier circuits?

    • Yes, BC846ALT1G can be used in low-power audio amplifier circuits due to its general-purpose amplification capabilities.