Parts · Transistors

BC208B

Si NPN BJT.1 circuit uses this part.

Substitutes Si NPN transistor

Matched on material, polarity and the limits below from the transistor parameter database. Pinouts and packages are not in that data: check the datasheet before you drop one in, and expect gain to change the sound.

This part

Part	hFE min	Vce	Ic	Pc	fT
BC208B	240	20 V	100 mA	0.3 W	150 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BC184	240	30 V	200 mA	0.3 W	150 MHz	15
BC183B	240	30 V	200 mA	0.3 W	150 MHz	3
BC184B	240	30 V	200 mA	0.3 W	150 MHz	1
BC169B	240	20 V	100 mA	0.3 W	85 MHz	6
BC169	240	20 V	100 mA	0.3 W	85 MHz	1
BC209	240	45 V	100 mA	0.3 W	150 MHz	1
MPS6515	250	25 V	100 mA	0.31 W	200 MHz	3
2SC539	250	25 V	50 mA	0.3 W	100 MHz	3

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BC386B	240	20 V	100 mA	0.3 W	150 MHz
BC583B	240	20 V	200 mA	0.3 W	150 MHz
BCAP08B	240	20 V	100 mA	0.3 W	150 MHz
BCAP09	240	20 V	100 mA	0.3 W	150 MHz
BCAP09B	240	20 V	100 mA	0.3 W	150 MHz
BC173B	240	25 V	100 mA	0.3 W	150 MHz
BC268B	240	20 V	1000 mA	0.375 W	150 MHz
BC269	240	20 V	1000 mA	0.375 W	150 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Jen Double Sound Fuzz Wah Vero17×17 Unverified BC208B · BC239C Jen Double Sound Fuzz Wah	Jen Double Sound Fuzz Wah	Fuzz	Tagboard Effects	—	1	—	24