ON Semiconductor
قد تكون الصورة تمثيلية.
راجع المواصفات للحصول على تفاصيل المنتج.
BF240_D74Z

BF240_D74Z

Product Overview

Category: Electronic Component
Use: Amplification of low-power signals
Characteristics: High gain, low noise, small package size
Package: TO-92
Essence: NPN silicon epitaxial planar transistor
Packaging/Quantity: Bulk packaging, 100 pieces per pack

Specifications

  • Maximum Collector-Base Voltage (V_CB): 40V
  • Maximum Collector Current (I_C): 300mA
  • Maximum Power Dissipation (P_tot): 625mW
  • Transition Frequency (f_T): 250MHz
  • Noise Figure (NF): 1.5dB

Detailed Pin Configuration

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

Functional Features

  • High voltage gain
  • Low noise figure
  • Small package size
  • Wide range of operating frequencies

Advantages and Disadvantages

Advantages: - High gain - Low noise - Compact size - Versatile application

Disadvantages: - Limited power handling capacity - Sensitive to temperature variations

Working Principles

The BF240_D74Z operates as an NPN transistor, amplifying low-power signals by controlling the flow of current between its collector and emitter terminals. It utilizes silicon epitaxial planar technology to achieve high gain and low noise performance.

Detailed Application Field Plans

  1. Audio Amplification: Used in audio preamplifiers and small signal amplification circuits.
  2. RF Amplification: Suitable for radio frequency amplification in communication systems.
  3. Sensor Interface: Utilized in sensor interface circuits for signal conditioning.

Detailed and Complete Alternative Models

  1. 2N3904: Similar NPN transistor with comparable characteristics.
  2. BC547: General-purpose NPN transistor suitable for low-power amplification.

This comprehensive entry provides a detailed overview of the BF240_D74Z, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Word Count: 288

قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق BF240_D74Z في الحلول التقنية

  1. What is BF240_D74Z?

    • BF240_D74Z is a high-performance NPN bipolar junction transistor (BJT) commonly used in electronic circuits for amplification and switching applications.

  2. What are the key specifications of BF240_D74Z?

    • The key specifications of BF240_D74Z include a maximum collector current of 500mA, a maximum collector-base voltage of 40V, and a maximum power dissipation of 625mW.

  3. How can BF240_D74Z be used in amplifier circuits?

    • BF240_D74Z can be used as a small-signal amplifier in audio and radio frequency (RF) circuits due to its low noise and high gain characteristics.

  4. In what types of switching applications is BF240_D74Z commonly used?

    • BF240_D74Z is often used in low-power switching applications such as signal switching and small load control due to its fast switching speed and low saturation voltage.

  5. What are the typical operating conditions for BF240_D74Z?

    • BF240_D74Z is typically operated within a temperature range of -55°C to 150°C and is suitable for use in various electronic devices and equipment.

  6. Can BF240_D74Z be used in high-frequency applications?

    • Yes, BF240_D74Z can be used in high-frequency applications such as RF amplifiers and oscillators due to its high transition frequency and low capacitance.

  7. What are the recommended circuit configurations for utilizing BF240_D74Z?

    • Common circuit configurations for BF240_D74Z include common emitter amplifiers, emitter followers, and switch mode configurations depending on the specific application requirements.

  8. Are there any important considerations when designing with BF240_D74Z?

    • Designers should consider the biasing, thermal management, and voltage/current limitations to ensure proper operation and reliability of BF240_D74Z in their technical solutions.

  9. What are the alternatives to BF240_D74Z for similar applications?

    • Alternatives to BF240_D74Z include other NPN transistors with comparable specifications such as BC547, 2N2222, and 2N3904, which can be selected based on specific design constraints.

  10. Where can I find detailed application notes and reference designs for BF240_D74Z?

    • Detailed application notes and reference designs for BF240_D74Z can be found in the manufacturer's datasheets, application guides, and online technical resources.