Parts · Transistors

BC307B

Si PNP BJT TO-92 TH.6 circuits use this part. Listed as: BJT transistor, PNP TO-92; Transistor.

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
BC307B	240	45 V	100 mA	0.3 W	130 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BC560B	240	45 V	100 mA	0.5 W	150 MHz	4
2N4250	250	40 V	100 mA	0.2 W	100 MHz	1
2SA798	250	50 V	100 mA	0.4 W	50 MHz	1
2SA493	200	40 V	50 mA	0.2 W	100 MHz	3
2N5087	250	50 V	50 mA	0.31 W	40 MHz	171
2N3965	250	60 V	200 mA	0.36 W	50 MHz	3
2SA1048GR	200	50 V	150 mA	0.2 W	80 MHz	2
BC557B	200	45 V	100 mA	0.5 W	75 MHz	6

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BC204B	240	45 V	100 mA	0.3 W	100 MHz
BC261B	240	45 V	100 mA	0.3 W	100 MHz
BCY79-X	240	45 V	100 mA	0.34 W	100 MHz
BCAP77B	240	45 V	100 mA	0.3 W	200 MHz
BC478B	240	40 V	150 mA	0.36 W	100 MHz
BC479B	240	40 V	150 mA	0.36 W	100 MHz
BC251B	240	45 V	100 mA	0.3 W	80 MHz
BC454B	220	45 V	100 mA	0.3 W	150 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
?E. Nigma? BC307B · BC549C · J113 · MN3102 Lovetone "?" flanger · 1590D	Lovetone "?" flanger	Flanger	Dead End FX	1590D	6	$20.00	153
By'Eck BC307B · BC549C · J113 Dinosaural Cogmeister Overdrive · 1590DD	Dinosaural Cogmeister Overdrive	Overdrive	Dead End FX	1590DD	7	$15.00	57
Dinosaural Tube Bender w. Aion Wyvern mod Vero18×14 Verified BC307B · BC549C Dinosaural Tube Bender	Dinosaural Tube Bender	Fuzz	Dirtbox Layouts	—	3	—	26
Pipe Stretcher Overdrive BC307B · BC549C Dinosaural Tube Bender · 125B	Dinosaural Tube Bender	Fuzz	PedalPCB	125B	4	$10.00	33
Buffalo-Weaver Overdrive BC307B · BC549C Guitar Magazine Tube Bender · 125B	Guitar Magazine Tube Bender	Overdrive	RWL Pedals	125B	4	—	37
Dinosaural Tube Bender Vero22×13 Verified BC307B · BC549C Dinosaural Tube Bender	Dinosaural Tube Bender	Fuzz	Tagboard Effects	—	3	—	26