Parts · Transistors

BC546B

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
BC546B	200	65 V	100 mA	0.5 W	150 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2N6428	200	50 V	200 mA	0.625 W	100 MHz	2
2SC1815-GR	200	50 V	150 mA	0.4 W	80 MHz	5
2SD1616A	135	60 V	1000 mA	0.75 W	100 MHz	1
BC182	120	50 V	200 mA	0.3 W	150 MHz	1
2N5210	250	50 V	50 mA	0.31 W	30 MHz	5
2SC1815-Y	120	50 V	150 mA	0.4 W	80 MHz	1
BC547	110	50 V	100 mA	0.5 W	300 MHz	2
2N3700	100	80 V	1000 mA	0.5 W	100 MHz	3

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BC846B-AU	200	65 V	100 mA	0.33 W
2SC945-GR	200	50 V	150 mA	0.4 W	150 MHz
2SC3381	200	80 V	100 mA	0.4 W	170 MHz
2SC5813	200	80 V	1500 mA	0.6 W	180 MHz
PN3417	180	50 V	500 mA	0.5 W
2SC2634	180	60 V	100 mA	0.4 W
PN3405	180	50 V	500 mA	0.56 W
BSW43B	180	60 V	200 mA	0.3 W	150 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Big Ear 2N3904 · 2N5087 · BC546B	Spaceman WOW Signal	Fuzz	Dead End FX	1590BBS	4	$15.00	52
	Clay Jones Overdrive BC546B	Clay Jones Overdrive	Overdrive	Fuzz Dog	1590B	3	£31.20	29