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BC857AW,135

BC857AW,135 Product Overview

Category: Transistor

Use: The BC857AW,135 is a general-purpose PNP bipolar junction transistor (BJT) used for amplification and switching of electronic signals.

Characteristics: This transistor has a maximum power dissipation of 500mW, a continuous collector current of 100mA, and a DC current gain (hFE) ranging from 110 to 800. It is designed for low-power applications and operates in a wide temperature range.

Package: SOT-323

Essence: The BC857AW,135 is a small-signal transistor suitable for various low-power electronic applications.

Packaging/Quantity: Typically available in reels or tubes containing a specific quantity per package.

Specifications

The BC857AW,135 transistor has the following specifications:

  • Maximum Power Dissipation: 500mW
  • Continuous Collector Current: 100mA
  • DC Current Gain (hFE): 110 - 800
  • Package Type: SOT-323
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The BC857AW,135 transistor has three pins: emitter, base, and collector. In the SOT-323 package, the pin configuration is as follows:

  • Pin 1: Emitter
  • Pin 2: Base
  • Pin 3: Collector

Functional Features

The BC857AW,135 transistor offers the following functional features:

  • High current gain
  • Low power dissipation
  • Small footprint
  • Suitable for high-density surface mount applications

Advantages and Disadvantages

Advantages: - Small size - Wide operating temperature range - High current gain

Disadvantages: - Limited maximum power dissipation - Moderate collector current rating

Working Principles

The BC857AW,135 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

The BC857AW,135 transistor is commonly used in the following applications: - Audio amplifiers - Signal amplification circuits - Switching circuits - Voltage regulators

Detailed and Complete Alternative Models

Alternative models to the BC857AW,135 include: - BC857B - BC857C - BC857S

These alternatives offer similar characteristics and are interchangeable in many applications.

This comprehensive entry provides an overview of the BC857AW,135 transistor, including its category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät BC857AW,135 :n soveltamiseen teknisissä ratkaisuissa

Sure, here are 10 common questions and answers related to the application of BC857AW,135 in technical solutions:

  1. What is the maximum collector current of BC857AW,135?

    • The maximum collector current of BC857AW,135 is 100mA.
  2. What is the typical gain (hfe) of BC857AW,135?

    • The typical gain (hfe) of BC857AW,135 is 420-800.
  3. What is the maximum power dissipation of BC857AW,135?

    • The maximum power dissipation of BC857AW,135 is 250mW.
  4. What are the typical applications of BC857AW,135?

    • BC857AW,135 is commonly used in audio amplification, switching, and general purpose amplification.
  5. What is the maximum voltage between base and emitter of BC857AW,135?

    • The maximum voltage between base and emitter of BC857AW,135 is 5V.
  6. What is the maximum voltage between collector and emitter of BC857AW,135?

    • The maximum voltage between collector and emitter of BC857AW,135 is 45V.
  7. Is BC857AW,135 suitable for low noise amplifier applications?

    • Yes, BC857AW,135 is suitable for low noise amplifier applications due to its low noise characteristics.
  8. Can BC857AW,135 be used in high-frequency applications?

    • Yes, BC857AW,135 can be used in high-frequency applications due to its high transition frequency (ft).
  9. What are the temperature ranges for BC857AW,135?

    • The operating temperature range for BC857AW,135 is -55°C to +150°C.
  10. Is BC857AW,135 available in surface mount packages?

    • Yes, BC857AW,135 is available in a SOT-323 surface mount package for easy integration into compact designs.

I hope these questions and answers are helpful for your technical solutions involving BC857AW,135!