ON Semiconductor
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BC857CDW1T1G
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BC857CDW1T1G

Product Overview

Category

The BC857CDW1T1G belongs to the category of small signal transistors.

Use

It is commonly used in low-power amplification and switching applications.

Characteristics

  • Low power dissipation
  • High current gain
  • Low noise

Package

The BC857CDW1T1G is available in a SOT-323 package.

Essence

This transistor is essential for amplifying weak signals in electronic circuits.

Packaging/Quantity

It is typically sold in reels with a quantity of 3000 units per reel.

Specifications

  • Collector-Base Voltage (VCBO): 45V
  • Collector-Emitter Voltage (VCEO): 45V
  • Emitter-Base Voltage (VEBO): 5V
  • Continuous Collector Current (IC): 100mA
  • Total Power Dissipation (PTOT): 250mW
  • Transition Frequency (fT): 100MHz

Detailed Pin Configuration

The BC857CDW1T1G has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

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

Advantages

  • Small package size
  • Low power dissipation
  • Suitable for low-voltage applications

Disadvantages

  • Limited maximum current handling capability
  • Relatively low breakdown voltage

Working Principles

The BC857CDW1T1G operates based on the principles of bipolar junction transistors, where the flow of current between the collector and emitter is controlled by the base current.

Detailed Application Field Plans

This transistor is widely used in audio amplifiers, signal processing circuits, and low-power switching applications. It is also utilized in sensor interfaces and voltage regulators.

Detailed and Complete Alternative Models

Some alternative models to the BC857CDW1T1G include: - BC847CDW1T1G - BC856CDW1T1G - BC848CDW1T1G

In conclusion, the BC857CDW1T1G is a versatile small signal transistor with applications in various electronic circuits, offering high current gain and low power dissipation. Its compact package and functional features make it suitable for low-power amplification and switching applications.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de BC857CDW1T1G en soluciones técnicas

  1. What is the BC857CDW1T1G transistor used for?

    • The BC857CDW1T1G is a general-purpose PNP transistor commonly used in amplification and switching applications.

  2. What are the key features of the BC857CDW1T1G transistor?

    • The BC857CDW1T1G transistor features high current gain, low saturation voltage, and low noise, making it suitable for various technical solutions.

  3. What are the typical applications of the BC857CDW1T1G transistor?

    • Typical applications include audio amplification, signal processing, voltage regulation, and general switching circuits.

  4. What are the electrical characteristics of the BC857CDW1T1G transistor?

    • The transistor has a maximum collector current of 100mA, a maximum collector-emitter voltage of 45V, and a DC current gain (hFE) ranging from 110 to 800.

  5. How does the BC857CDW1T1G transistor compare to similar transistors in its class?

    • Compared to similar transistors, the BC857CDW1T1G offers lower noise and higher current gain, making it suitable for low-power applications.

  6. What are the recommended operating conditions for the BC857CDW1T1G transistor?

    • The transistor is typically operated at temperatures ranging from -55°C to 150°C and with a maximum power dissipation of 250mW.

  7. Can the BC857CDW1T1G be used in high-frequency applications?

    • While the BC857CDW1T1G can be used in moderate frequency applications, it may not be suitable for very high-frequency designs due to its transition frequency limitations.

  8. Are there any specific layout considerations when using the BC857CDW1T1G in a circuit?

    • It's important to minimize lead lengths and keep the input and output traces short to reduce parasitic capacitance and inductance.

  9. What are the packaging options available for the BC857CDW1T1G transistor?

    • The BC857CDW1T1G is available in various surface-mount packages, such as SOT-323, making it suitable for compact designs.

  10. Where can I find detailed information about the BC857CDW1T1G transistor for my technical solution?

    • Detailed datasheets and application notes for the BC857CDW1T1G transistor can be found on the manufacturer's website or through authorized distributors.