Parts · Transistors

BC548C

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
BC548C	420	30 V	100 mA	0.5 W	200 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BC549C	420	30 V	100 mA	0.5 W	200 MHz	65
BC550C	420	45 V	100 mA	0.5 W	150 MHz	15
BC184C	450	30 V	200 mA	0.3 W	150 MHz	4
BC183C	450	30 V	200 mA	0.3 W	150 MHz	1
2N6429	400	45 V	200 mA	0.625 W	100 MHz	1
2N5089	400	25 V	50 mA	0.31 W	50 MHz	136
2SC1815BL	500	50 V	150 mA	0.4 W	80 MHz	1
MPS3704	300	30 V	800 mA	0.625 W	100 MHz	2

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BC547C	420	45 V	100 mA	0.5 W	200 MHz
BC848C-AU	420	30 V	100 mA	0.33 W
BC849C-AU	420	30 V	100 mA	0.33 W
BC510C	420	25 V	200 mA	0.36 W	200 MHz
BSS36	400	25 V	500 mA	0.6 W
2SC6100	400	50 V	2500 mA	0.5 W
BCW51B	400	30 V	200 mA	0.3 W	200 MHz
BC847C-AU	420	45 V	100 mA	0.33 W

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Firewater BC548C · BC550C	TC Electronics Integrated Preamp	Preamp / Amp-in-a-box	Dead End FX	125B	2	$12.00	28
	Integral Preamp BC548C · TC1044SCPA · TL071	TC Integrated Preamp	Boost	PedalPCB	125B	3	$8.00	46