BF245C,112
Product Overview
- Category: Transistor
- Use: Amplification and switching of electronic signals
- Characteristics: High voltage, low power consumption
- Package: TO-92
- Essence: N-channel junction field-effect transistor (JFET)
- Packaging/Quantity: Bulk packaging, quantity varies
Specifications
- Maximum Drain-Source Voltage (Vds): 30V
- Maximum Gate-Source Voltage (Vgs): 30V
- Maximum Continuous Drain Current (Id): 25mA
- Power Dissipation (Pd): 350mW
- Operating Temperature Range: -55°C to 150°C
Detailed Pin Configuration
- Pin 1 (Source): Connects to the source of the transistor
- Pin 2 (Gate): Connects to the gate of the transistor
- Pin 3 (Drain): Connects to the drain of the transistor
Functional Features
- High input impedance
- Low output impedance
- Good high-frequency response
Advantages
- Low noise
- High gain
- Simple biasing circuit
Disadvantages
- Susceptible to damage from static electricity
- Limited availability compared to other transistor types
Working Principles
The BF245C,112 operates based on the voltage applied to the gate terminal, controlling the current flow between the source and drain terminals. It functions as a voltage-controlled resistor, allowing for signal amplification and switching.
Detailed Application Field Plans
- Audio amplifiers
- Oscillators
- Signal processing circuits
- Low-power switching applications
Detailed and Complete Alternative Models
- J201
- 2N5457
- MPF102
This comprehensive entry provides an in-depth understanding of the BF245C,112 transistor, covering its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.
10個與BF245C,112在技術方案中應用相關的常見問題與解答
What is BF245C,112?
- BF245C,112 is a N-channel junction field-effect transistor (JFET) commonly used in electronic circuits for amplification and switching applications.
What are the typical applications of BF245C,112?
- BF245C,112 is often used in audio amplifiers, voltage-controlled resistors, analog switches, and instrumentation circuits.
What are the key electrical characteristics of BF245C,112?
- The key electrical characteristics of BF245C,112 include low noise, high input impedance, and low distortion, making it suitable for audio applications.
How do I bias BF245C,112 in a circuit?
- BF245C,112 can be biased using a fixed DC voltage or a voltage divider network to set the operating point for proper amplification or switching.
What are the maximum ratings for BF245C,112?
- The maximum ratings typically include maximum drain-source voltage, maximum gate-source voltage, and maximum power dissipation to ensure safe operation within specified limits.
Can BF245C,112 be used in high-frequency applications?
- BF245C,112 is not typically recommended for high-frequency applications due to its inherent capacitance and slower response compared to other transistors designed for RF applications.
How do I select appropriate biasing resistors for BF245C,112?
- The selection of biasing resistors depends on the desired operating point and the specific circuit requirements. Calculations based on the datasheet specifications can help determine suitable resistor values.
What are the thermal considerations for BF245C,112 in a circuit?
- Proper heat sinking and thermal management should be considered to ensure that the transistor operates within its temperature limits, especially in high-power applications.
Can BF245C,112 be used in battery-powered devices?
- Yes, BF245C,112's low power consumption and high input impedance make it suitable for battery-powered devices such as portable audio equipment and instrumentation.
Are there any common pitfalls to avoid when using BF245C,112 in a circuit?
- Common pitfalls include exceeding maximum ratings, improper biasing, inadequate heat dissipation, and failure to account for the JFET's characteristics in the circuit design. Careful consideration of these factors is essential for successful application of BF245C,112.