Parts · Transistors

BC307

Si PNP BJT TO-92 TH.1 circuit uses this part.

Substitutes Si PNP 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
BC307	75	45 V	100 mA	0.3 W	100 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BC557	75	45 V	200 mA	0.3 W	75 MHz	20
BC177	70	45 V	100 mA	0.3 W	130 MHz	2
2SA1015	70	50 V	150 mA	0.4 W	80 MHz	8
2SA1048	70	50 V	150 mA	0.2 W	80 MHz	6
BC556	75	65 V	100 mA	0.5 W	150 MHz	1
2SA659	80	50 V	200 mA	0.3 W	45 MHz	1
BC327	63	45 V	800 mA	0.5 W	60 MHz	3
2N4249	100	60 V	100 mA	0.2 W	100 MHz	2

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BC204	75	45 V	100 mA	0.3 W	100 MHz
BSW44A	75	50 V	200 mA	0.3 W
BSW44AK	75	50 V	200 mA	0.3 W
BC297	75	45 V	1000 mA	0.375 W	100 MHz
BSW44B	75	60 V	200 mA	0.3 W
PN4355	75	60 V	600 mA	0.35 W	100 MHz
2N6223	75	60 V	100 mA	0.36 W
BFT70	75	60 V	1000 mA	0.36 W	100 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Carlin Compressor 2N5457 · BC307 · BC548B	—	Compressor	Experimentalists Anonymous	—	3	—	26