BC547 Transistor NPN 50V 100mA 625mW TO-92

The BC547 is a widely used NPN bipolar junction transistor (BJT) designed for general-purpose low-current, low-power switching and amplification applications. It operates with a maximum collector-emitter voltage of 50V and can handle up to 100mA collector current, making it suitable for signal processing, audio amplification, and switching tasks in electronic circuits.

Key Features of BC547 Transistor NPN 50V 100mA 625mW TO-92:

• General-Purpose NPN Transistor: Suitable for switching and amplification applications.
• Low Collector Current Rating: Handles up to 100mA for signal-level applications.
• High Voltage Tolerance: Supports up to 50V between collector and emitter.
• Low Saturation Voltage: Enhances switching efficiency with minimal voltage drop.
• Compact TO-92 Package: Easy to use in breadboards and PCB assemblies.

Technical Specifications of BC547 Transistor NPN 50V 100mA 625mW TO-92:

• Transistor Type: NPN
• Collector-Emitter Voltage (V_CEO): 50V
• Collector-Base Voltage (V_CBO): 60V
• Emitter-Base Voltage (V_EBO): 6V
• Collector Current (I_C): 100mA
• Power Dissipation (P_D): 625mW
• DC Current Gain (h_FE): 110 to 800 (depending on variant: A, B, C)
• Transition Frequency (f_T): 150 MHz
• Package Type: TO-92

Mechanical Specifications of BC547 Transistor NPN 50V 100mA 625mW TO-92:

• Package: TO-92 (Plastic)
• Lead Configuration: Tri-lead (Emitter, Base, Collector)
• Polarity: NPN
• Marking: BC547 or variant suffix (A/B/C) printed on the body

Dimensions:

• Body Width: ~4.5mm
• Body Height: ~5.2mm
• Lead Pitch: 1.27mm
• Lead Length: ~13mm

Mounting Options:

• Through-Hole Mounting: Standard leads for breadboard or PCB insertion.
• Solderable Leads: Tin-plated for easy soldering and conductivity.

Schematic Diagram, Connection, Wiring and Pinout of BC547 Transistor:

• Pinout (flat side facing you): Left to Right: Collector – Base – Emitter
• Wiring: Base is the control pin; a small current here allows a larger current from collector to emitter.
• Connection: Commonly used in common-emitter configuration for amplification or digital switching.

Datasheet of BC547 Transistor NPN 50V 100mA 625mW TO-92:

• Download BC547 Datasheet (PDF)

Applications of BC547 Transistor NPN 50V 100mA 625mW TO-92:

• Switching Circuits: Used to drive small loads like LEDs, relays, and buzzers.
• Signal Amplification: Amplifies low-level audio or analog signals.
• Oscillator Circuits: Used in waveform and timing circuits.
• Sensor Interfaces: Helps to condition signals from analog sensors.
• Microcontroller Interfacing: Acts as an intermediate switch for controlling peripherals.

Equivalent of BC547 Transistor NPN 50V 100mA 625mW TO-92:

• BC548: Slightly higher voltage rating with similar specs.
• 2N2222: Higher current handling NPN transistor.
• S8050: General-purpose NPN transistor with TO-92 package.
• PN2222A: Fast-switching NPN transistor similar to 2N2222.

Package Includes:

• 1 x BC547 Transistor NPN 50V 100mA 625mW TO-92