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Transistor - BC109, TO-18 case, NPN

Transistor - BC109, TO-18 case, NPN

Pictured: BC109B
Pictured: BC109B
Pictured: BC109C
Pictured: BC109C
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Pictured: BC109BPictured: BC109C
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BC109 NPN silicon transistors. The BC109 is a popular NPN choice for fuzz pedals and other effects such as vintage silicon Fuzz Face builds and Big Muff clones.



Type hFE (IC=2mA, VCE=5V) hfe (IC=2mA, VCE=5V, f=1KHz)
BC109B 200-450 240-500
BC109C 420-800 450-900

Pinout (bottom view):

Pinout (bottom view)
Part Numbers
TypeOur Part Number
BC109BP-QBC109B
BC109CP-QBC109C
DC Current GainBC109B versionP-QBC109B200-450
BC109C versionP-QBC109C420-800
Input ImpedanceBC109B versionP-QBC109B3.2-8.5 KΩ
BC109C versionP-QBC109C6-15 KΩ
Max. Collector Base Voltage30 V
Max. Collector Current Continuous200 mA
Max. Collector Emitter Voltage25 V
Max. Emitter Base Voltage5 V
Max. Operating and Storage Junction Temperature Range- 65 to +200 ºC
Max. Power Dissipation @ Ta=25ºC300 mW
Max. Power Dissipation @ Tc=25ºC750 mW
Noise Figure4.0 dB
Output AdmittanceBC109B versionP-QBC109B60 umhos max.
BC109C versionP-QBC109C110 umhos max.
Packaging Information
Packaging Dimensions0.739 in. × 0.252 in. × 0.252 in.
Weight (Packaging)0.0022 lbs.
P-QBC109B - BC109B versionDC Current Gain200-450
Input Impedance3.2-8.5 KΩ
Max. Collector Base Voltage30 V
Max. Collector Current Continuous200 mA
Max. Collector Emitter Voltage25 V
Max. Emitter Base Voltage5 V
Max. Operating and Storage Junction Temperature Range- 65 to +200 ºC
Max. Power Dissipation @ Ta=25ºC300 mW
Max. Power Dissipation @ Tc=25ºC750 mW
Noise Figure4.0 dB
Output Admittance60 umhos max.
P-QBC109C - BC109C versionDC Current Gain420-800
Input Impedance6-15 KΩ
Max. Collector Base Voltage30 V
Max. Collector Current Continuous200 mA
Max. Collector Emitter Voltage25 V
Max. Emitter Base Voltage5 V
Max. Operating and Storage Junction Temperature Range- 65 to +200 ºC
Max. Power Dissipation @ Ta=25ºC300 mW
Max. Power Dissipation @ Tc=25ºC750 mW
Noise Figure4.0 dB
Output Admittance110 umhos max.

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Specifications, Files, and Documents

PNG: Pinout (bottom view) Pinout (bottom view)13.3 KB
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