Parts · Transistors

BC307C

Si PNP BJT TO-92 TH.2 circuits use 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
BC307C	500	45 V	100 mA	0.3 W	130 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BC560C	420	45 V	100 mA	0.5 W	150 MHz	11
BC857C	520	45 V	100 mA	0.2 W	300 MHz	1
BC557C	450	45 V	100 mA	0.5 W	75 MHz	13
2N4250	250	40 V	100 mA	0.2 W	100 MHz	1
BC560B	240	45 V	100 mA	0.5 W	150 MHz	4
2SA798	250	50 V	100 mA	0.4 W	50 MHz	1
2N5087	250	50 V	50 mA	0.31 W	40 MHz	171
2N3965	250	60 V	200 mA	0.36 W	50 MHz	3

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2SA851	500	50 V	100 mA	0.5 W	150 MHz
2SA852	500	35 V	100 mA	0.5 W	150 MHz
2SA853	500	35 V	100 mA	0.5 W	150 MHz
2SA1341	500	50 V	100 mA	0.4 W	200 MHz
BC261C	450	45 V	100 mA	0.3 W	100 MHz
2SA1436	500	50 V	200 mA	0.6 W	100 MHz
BC454C	420	45 V	100 mA	0.3 W	150 MHz
BC251C	450	45 V	100 mA	0.3 W	80 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Dinosaural Dan Solo Vero14×11 Unverified BC307C · BC549C Dinosaural Dan Solo	Dinosaural Dan Solo	Boost	Dirtbox Layouts	—	2	—	20
	Dinosaural Hypiod Drive Vero21×20 Unverified BC307C · BC549C · J113 Dinosaural Hypiod Drive	Dinosaural Hypiod Drive	Fuzz	Dirtbox Layouts	—	3	—	36