Transistor - BC109, TO-18 case, NPN
Pictured: BC109B
Pictured: 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):
SKU:
P-QBC109X
Item ID:
045532
Element:
Matched Pair:
Package:
Polarity:
Series:
Type:
| Type | Our Part Number |
|---|---|
| BC109B | P-QBC109B |
| BC109C | P-QBC109C |
| DC Current Gain | BC109B version | P-QBC109B | 200-450 |
| BC109C version | P-QBC109C | 420-800 | |
| Input Impedance | BC109B version | P-QBC109B | 3.2-8.5 KΩ |
| BC109C version | P-QBC109C | 6-15 KΩ | |
| Max. Collector Base Voltage | 30 V | ||
| Max. Collector Current Continuous | 200 mA | ||
| Max. Collector Emitter Voltage | 25 V | ||
| Max. Emitter Base Voltage | 5 V | ||
| Max. Operating and Storage Junction Temperature Range | - 65 to +200 ºC | ||
| Max. Power Dissipation @ Ta=25ºC | 300 mW | ||
| Max. Power Dissipation @ Tc=25ºC | 750 mW | ||
| Noise Figure | 4.0 dB | ||
| Output Admittance | BC109B version | P-QBC109B | 60 umhos max. |
| BC109C version | P-QBC109C | 110 umhos max. | |
| Packaging Dimensions | 0.739 in. × 0.252 in. × 0.252 in. | ||
| Weight (Packaging) | 0.0022 lbs. | ||
| P-QBC109B - BC109B version | DC Current Gain | 200-450 |
| Input Impedance | 3.2-8.5 KΩ | |
| Max. Collector Base Voltage | 30 V | |
| Max. Collector Current Continuous | 200 mA | |
| Max. Collector Emitter Voltage | 25 V | |
| Max. Emitter Base Voltage | 5 V | |
| Max. Operating and Storage Junction Temperature Range | - 65 to +200 ºC | |
| Max. Power Dissipation @ Ta=25ºC | 300 mW | |
| Max. Power Dissipation @ Tc=25ºC | 750 mW | |
| Noise Figure | 4.0 dB | |
| Output Admittance | 60 umhos max. | |
| P-QBC109C - BC109C version | DC Current Gain | 420-800 |
| Input Impedance | 6-15 KΩ | |
| Max. Collector Base Voltage | 30 V | |
| Max. Collector Current Continuous | 200 mA | |
| Max. Collector Emitter Voltage | 25 V | |
| Max. Emitter Base Voltage | 5 V | |
| Max. Operating and Storage Junction Temperature Range | - 65 to +200 ºC | |
| Max. Power Dissipation @ Ta=25ºC | 300 mW | |
| Max. Power Dissipation @ Tc=25ºC | 750 mW | |
| Noise Figure | 4.0 dB | |
| Output Admittance | 110 umhos max. |
 Pinout (bottom view) | All Models |
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