Parts · Transistors

BC547

2 circuits use 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
BC547	110	50 V	100 mA	0.5 W	300 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BC546	110	80 V	100 mA	0.5 W	300 MHz	1
2N2222A	100	40 V	800 mA	0.5 W	300 MHz	31
2N2219A	100	50 V	800 mA	0.8 W	300 MHz	2
BC546A	110	65 V	100 mA	0.5 W	150 MHz	2
2N4401	100	40 V	600 mA	0.31 W	250 MHz	24
BC107	110	45 V	100 mA	0.3 W	150 MHz	4
BC182	120	50 V	200 mA	0.3 W	150 MHz	1
MPSA05G	100	60 V	500 mA	0.63 W	100 MHz	2

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BCW71	110	45 V	100 mA	0.35 W	300 MHz
BCW71R	110	45 V	100 mA	0.35 W	300 MHz
BC847A-AU	110	45 V	100 mA	0.33 W
BCV71	110	60 V	100 mA	0.35 W	300 MHz
BC550A	110	45 V	100 mA	0.625 W	250 MHz
BC846A-AU	110	65 V	100 mA	0.33 W
2SC5868	120	60 V	500 mA	0.5 W	300 MHz
2N5582	100	40 V	500 mA	0.5 W	300 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	BeatleVox BC547	Vox UL730 Distortion / Aclam The Mocker	Fuzz	Fuzz Dog	1590B	3	£33.60	35
	Heavy Spider BC547	Epider Sound Heavy Metal	Distortion	PedalPCB	125B	2	$8.00	22