BC849B-TP

Product Overview

The BC849B-TP is a small-signal NPN bipolar junction transistor (BJT) belonging to the category of electronic components. It is commonly used in amplification and switching applications due to its high current gain and low noise characteristics. The transistor is typically packaged in a SOT-23 package, making it suitable for compact electronic designs. Its essence lies in providing reliable amplification and signal switching capabilities in various electronic circuits. Each package contains a specific quantity of transistors, usually ranging from 3000 to 10000 units.

Specifications

• Type: NPN Bipolar Junction Transistor
• Package: SOT-23
• Maximum Collector Current (Ic): 100mA
• Maximum Power Dissipation (Pd): 250mW
• DC Current Gain (hFE): 200 - 450
• Transition Frequency (ft): 150MHz
• Voltage Rating (Vceo): 30V
• Operating Temperature Range: -55°C to 150°C

Detailed Pin Configuration

The BC849B-TP transistor has three pins: the emitter (E), base (B), and collector (C). In the SOT-23 package, the pin configuration is as follows: - Emitter (E) - Pin 1 - Base (B) - Pin 2 - Collector (C) - Pin 3

Functional Features

The BC849B-TP offers high current gain, low noise, and excellent linearity, making it suitable for audio amplification and signal processing applications. Its compact SOT-23 package allows for space-efficient PCB layouts, contributing to miniaturization in electronic designs.

Advantages and Disadvantages

Advantages

• High current gain
• Low noise performance
• Compact SOT-23 package
• Suitable for audio amplification

Disadvantages

• Limited maximum collector current
• Moderate power dissipation capability

Working Principles

The BC849B-TP operates based on the principles of bipolar junction transistors, utilizing the control of current flow between the emitter and collector terminals through the base terminal. By modulating the base current, the transistor can amplify or switch electronic signals with high fidelity and minimal distortion.

Detailed Application Field Plans

The BC849B-TP finds extensive use in various applications, including: - Audio amplifiers - Signal processing circuits - Switching circuits - Oscillator circuits - Sensor interfaces

Detailed and Complete Alternative Models

• BC847B-TP
• BC850B-TP
• 2N3904
• 2N2222A
• 2N4401

In conclusion, the BC849B-TP NPN transistor offers high performance in amplification and switching applications, particularly in compact electronic designs. Its specifications, functional features, and application versatility make it a valuable component in modern electronic systems.

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