BC547

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SKU: R3-F-4-2

BC547

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Overview
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Description:
The BC547 is a general-purpose NPN bipolar junction transistor (BJT) commonly used for switching and amplification in low-power electronic circuits. It is one of the most popular transistors in education, hobby electronics, and embedded systems due to its reliability, low cost, and ease of use.

Specifications:

Type: NPN BJT Transistor
Collector-Emitter Voltage (Vce): 45V
Collector-Base Voltage (Vcb): 50V
Emitter-Base Voltage (Veb): 6V
Continuous Collector Current (Ic): up to 100mA
Power Dissipation: ~500mW
Current Gain (hFE): 110 – 800 (varies A/B/C variants)
Transition Frequency: ~300 MHz
Package: TO-92

The BC547 can handle up to ~100mA collector current and ~45V, making it suitable for low-power switching and amplification

Features:

General-purpose transistor for switching and amplification
High current gain (hFE up to ~800)
Low cost and widely available
Compact TO-92 package
Easy to use in breadboards and PCB circuits

Applications:

LED switching circuits
Relay drivers (with proper design)
Signal amplification (audio, sensors)
Arduino and microcontroller interfacing
Oscillators and small-signal circuits

Pin Configuration (Flat side facing you):

Collector (C)
Base (B)
Emitter (E)

Important Note:

Suitable for low current applications only (≤100mA)
Use a base resistor to limit current
Not suitable for high-power loads

Package Includes:

1 × BC547 Transistor

Disclaimer:
No warranty. No guarantee. No return. No replacement.

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