(Pack of 5) BC550 NPN General Purpose Transistor 45V 100mA TO-92 Package

(Pack of 5) BC550 NPN General Purpose Transistor 45V 100mA TO-92 Package

The BC550 is a low-noise NPN general-purpose transistor designed for small-signal amplification and switching applications.
With a collector-emitter voltage of 45V and a collector current of 100mA, it provides reliable performance, stable gain, and low-noise operation.
Encased in a compact TO-92 plastic package, the BC550 is ideal for audio circuits, signal amplification, and general-purpose low-power electronic applications.
This listing includes a pack of 5, perfect for multiple projects or circuit builds.

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Features

• NPN Bipolar Junction Transistor (BJT) – for low-power amplification and switching
• Voltage Rating: 45V (Collector-Emitter)
• Current Rating: 100mA continuous collector current
• Low Noise: Ideal for audio and sensitive signal applications
• High Gain (hFE): Efficient small-signal amplification
• TO-92 Package: Compact and easy PCB mounting
• Reliable & Stable: Consistent performance under normal operating conditions
• Pack of 5: Convenient for multiple uses
• RoHS Compliant: Lead-free and environmentally safe

Applications

• Audio preamplifiers and tone control circuits – low-noise amplification
• Small-signal amplification – analog and instrumentation circuits
• Switching circuits – low-current load control
• Oscillator and timer circuits – stable waveform generation
• Sensor interfaces – accurate low-power signal processing
• Hobby, educational, and DIY electronics – versatile and convenient
• Replacement for vintage or legacy circuits – reliable and compatible

bc550-transistor-datasheet