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BC817,215
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BC817,215

Product Overview

Category

The BC817,215 is a general-purpose NPN bipolar junction transistor (BJT) belonging to the category of discrete semiconductors.

Use

It is commonly used for amplification and switching applications in various electronic circuits.

Characteristics

  • Low power loss, high current capability
  • High hFE linearity
  • Fast switching speed
  • Low noise

Package

The BC817,215 is available in a SOT-23 plastic package, making it suitable for surface mount applications.

Essence

This transistor is essential for signal amplification and digital switching in electronic devices.

Packaging/Quantity

The BC817,215 is typically supplied in reels with 3000 units per reel.

Specifications

  • Collector-Base Voltage (VCBO): 45V
  • Collector-Emitter Voltage (VCEO): 45V
  • Emitter-Base Voltage (VEBO): 5V
  • Collector Current (IC): 500mA
  • Power Dissipation (Ptot): 330mW
  • Transition Frequency (ft): 100MHz
  • Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The BC817,215 has three pins: 1. Emitter (E) 2. Base (B) 3. Collector (C)

Functional Features

  • Amplification of weak signals
  • Switching of electronic circuits
  • Compatibility with automated assembly processes

Advantages

  • Small form factor
  • Versatile applications
  • Reliable performance

Disadvantages

  • Limited power handling capacity
  • Susceptible to thermal runaway if not properly managed

Working Principles

The BC817,215 operates based on the principles of controlling the flow of current between its collector and emitter terminals using the base terminal. By applying a small current at the base, a larger current can be allowed to flow between the collector and emitter, enabling amplification and switching functions.

Detailed Application Field Plans

The BC817,215 finds extensive use in the following applications: - Audio amplifiers - Signal processing circuits - Logic level shifting - LED drivers - Sensor interfaces

Detailed and Complete Alternative Models

Some alternative models to the BC817,215 include: - BC846 - BC847 - BC848

In conclusion, the BC817,215 is a versatile NPN transistor with wide-ranging applications in electronic circuits, offering reliable performance and compact packaging.

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Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του BC817,215 σε τεχνικές λύσεις

  1. What is the BC817,215 transistor used for?

    • The BC817,215 is a general-purpose NPN bipolar junction transistor commonly used for amplification and switching applications in electronic circuits.

  2. What are the key specifications of the BC817,215 transistor?

    • The BC817,215 transistor typically has a maximum collector current (Ic) of 500mA, a maximum collector-emitter voltage (Vce) of 45V, and a maximum power dissipation of 625mW.

  3. How can I use the BC817,215 transistor as a switch?

    • To use the BC817,215 as a switch, you can connect the base of the transistor to a control signal and use the collector-emitter path to control the flow of current through a load.

  4. Can the BC817,215 be used in audio amplifier circuits?

    • Yes, the BC817,215 can be used in small-signal audio amplifier circuits due to its low noise and high gain characteristics.

  5. What are the typical applications of the BC817,215 transistor?

    • Typical applications include signal amplification, switching of low-power loads, and interface circuitry in various electronic devices.

  6. What are the recommended operating conditions for the BC817,215?

    • The recommended operating conditions typically include a maximum collector current, maximum collector-emitter voltage, and appropriate base current to ensure proper transistor operation.

  7. How do I calculate the base resistor value for driving the BC817,215 transistor?

    • The base resistor value can be calculated using Ohm's law and the desired base current to ensure proper biasing and saturation of the transistor.

  8. What are the thermal considerations for the BC817,215 in a circuit?

    • It's important to consider the power dissipation and thermal resistance of the transistor to prevent overheating and ensure reliable operation within the specified temperature range.

  9. Can the BC817,215 be used in low-power battery-operated devices?

    • Yes, the BC817,215's low power dissipation and current requirements make it suitable for use in low-power and battery-operated devices.

  10. Are there any common pitfalls to avoid when using the BC817,215 in a circuit?

    • Common pitfalls include exceeding the maximum ratings, improper biasing, and inadequate heat sinking, which can lead to performance issues or damage to the transistor.