Encyclopedia Entry: 101-0497

Product Information

Category: Electronic Component
Use: Signal Amplification
Characteristics: High Gain, Low Noise
Package: TO-92
Essence: Transistor
Packaging/Quantity: Bulk Packaging, 1000 units per pack

Specifications

• Type: NPN Bipolar Junction Transistor
• Maximum Collector Current (Ic): 500mA
• Maximum Collector-Emitter Voltage (Vce): 40V
• Maximum Power Dissipation (Pd): 625mW
• Transition Frequency (ft): 300MHz
• Collector-Emitter Saturation Voltage (Vce(sat)): 0.2V
• Base-Emitter Voltage (Vbe): 1.2V

Detailed Pin Configuration

The 101-0497 transistor has three pins:

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

Functional Features

• High gain amplification of weak signals
• Low noise operation for improved signal quality
• Suitable for small-signal applications
• Reliable and durable performance

Advantages and Disadvantages

Advantages: - High gain allows for effective signal amplification - Low noise operation ensures clear signal transmission - Small package size enables easy integration into circuits - Wide range of operating temperatures (-55°C to +150°C)

Disadvantages: - Limited maximum collector current may restrict use in high-power applications - Lower power dissipation compared to some alternative models

Working Principles

The 101-0497 transistor operates based on the principles of bipolar junction transistors (BJTs). It consists of three layers of semiconductor material - the emitter, base, and collector. By applying a small current at the base terminal, the transistor can control a larger current flowing between the collector and emitter terminals. This allows for signal amplification and switching functions.

Detailed Application Field Plans

The 101-0497 transistor finds applications in various fields, including:

1. Audio Amplification: Used in audio circuits to amplify weak signals from microphones or musical instruments.
2. Radio Frequency (RF) Circuits: Employed in RF amplifiers to boost weak radio signals for improved reception.
3. Sensor Interfaces: Utilized in sensor circuits to amplify small electrical signals generated by sensors.
4. Oscillator Circuits: Incorporated in oscillator circuits to generate stable oscillations for clock signals or frequency generation.

Detailed and Complete Alternative Models

1. 2N3904: Similar NPN BJT with higher maximum collector current (Ic = 200mA).
2. BC547: Equivalent NPN BJT with similar characteristics and pin configuration.
3. 2SC1815: Alternative NPN BJT with higher transition frequency (ft = 800MHz).

(Note: The above list is not exhaustive and serves as a reference for alternative models.)

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