BF861B,215 Product Overview

Introduction

BF861B,215 is a semiconductor product belonging to the category of field-effect transistors (FETs). This component is widely used in electronic circuits for amplification and switching purposes due to its unique characteristics and performance.

Basic Information Overview

• Category: Field-Effect Transistor (FET)
• Use: Amplification and Switching in Electronic Circuits
• Characteristics: High Input Impedance, Low Output Impedance, Low Power Consumption
• Package: SOT23
• Essence: Semiconductor Device for Signal Amplification and Switching
• Packaging/Quantity: Available in Reel Packaging with Various Quantities

Specifications

• Type: N-Channel
• Maximum Drain-Source Voltage (V_DS): 30V
• Continuous Drain Current (I_D): 0.15A
• Total Power Dissipation (P_TOT): 250mW
• Operating Temperature Range: -55°C to +150°C

Detailed Pin Configuration

The BF861B,215 FET has three pins: Gate (G), Drain (D), and Source (S). The pin configuration is as follows: - Gate (G): Pin 1 - Drain (D): Pin 2 - Source (S): Pin 3

Functional Features

• High Input Impedance: Allows for minimal loading of preceding stages in electronic circuits.
• Low Output Impedance: Ensures efficient signal transfer to subsequent stages or loads.
• Low Power Consumption: Suitable for battery-operated or low-power applications.

Advantages and Disadvantages

Advantages

• Small Package Size: Enables compact circuit design.
• High Input Impedance: Minimizes signal loss in high-impedance input circuits.
• Low Power Consumption: Ideal for energy-efficient applications.

Disadvantages

• Limited Maximum Drain-Source Voltage: Unsuitable for high-voltage applications.
• Low Continuous Drain Current: Not suitable for high-current applications.

Working Principles

The BF861B,215 operates based on the principles of field-effect transistors, where the voltage applied to the gate terminal controls the conductivity between the drain and source terminals. By modulating this voltage, the FET can amplify or switch electronic signals effectively.

Detailed Application Field Plans

The BF861B,215 FET finds extensive use in various electronic applications, including but not limited to: - Audio Amplifiers - Sensor Interfaces - Low-Power Switching Circuits - Oscillator Circuits - Battery-Operated Devices

Detailed and Complete Alternative Models

For applications requiring similar functionality, alternative models to BF861B,215 include: - BF862,215 - BF871,215 - BF872,215 - BF874,215

In summary, the BF861B,215 FET offers high input impedance, low power consumption, and compact packaging, making it suitable for a wide range of electronic applications while considering its limitations in voltage and current handling capabilities.

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