BB 639 E7906

Product Overview

Category: Electronic Component
Use: Signal Amplification
Characteristics: High gain, low noise
Package: TO-92
Essence: NPN Transistor
Packaging/Quantity: Bulk, 100 pieces per pack

Specifications

• Maximum Collector Current: 500mA
• Maximum Power Dissipation: 625mW
• Transition Frequency: 250MHz
• Collector-Base Voltage: 40V
• Collector-Emitter Voltage: 25V
• Emitter-Base Voltage: 6V

Detailed Pin Configuration

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

Functional Features

• High voltage gain
• Low noise figure
• Wide frequency response
• Good linearity

Advantages and Disadvantages

Advantages: - High gain - Low noise - Wide frequency response

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

Working Principles

The BB 639 E7906 is a general-purpose NPN transistor used for signal amplification. When a small signal is applied at the base terminal, it controls the larger current flowing between the collector and emitter terminals, thereby amplifying the input signal.

Detailed Application Field Plans

1. Audio Amplification: The transistor can be used in audio amplifiers to boost weak signals from microphones or musical instruments.
2. Radio Frequency (RF) Circuits: It is suitable for RF applications due to its wide frequency response and low noise characteristics.
3. Sensor Interfaces: The transistor can be utilized in sensor interfaces to amplify weak sensor signals for further processing.

Detailed and Complete Alternative Models

1. BC547
2. 2N2222
3. 2N3904
4. BC548

This completes the entry for BB 639 E7906, providing comprehensive information on its category, use, characteristics, specifications, pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.