Parts · Transistors

BC546A

2 circuits use this part. Listed as: BJT transistor, NPN TO-18; BJT transistor, NPN TO-92.

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
BC546A	110	65 V	100 mA	0.5 W	150 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BC547	110	50 V	100 mA	0.5 W	300 MHz	2
BC182	120	50 V	200 mA	0.3 W	150 MHz	1
2N3700	100	80 V	1000 mA	0.5 W	100 MHz	3
MPSA05G	100	60 V	500 mA	0.63 W	100 MHz	2
2SC1815-Y	120	50 V	150 mA	0.4 W	80 MHz	1
2N2219A	100	50 V	800 mA	0.8 W	300 MHz	2
2SD1616A	135	60 V	1000 mA	0.75 W	100 MHz	1
2N1711	100	50 V	600 mA	0.8 W	70 MHz	5

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BC846A-AU	110	65 V	100 mA	0.33 W
BCX55-16T	100	60 V	1000 mA	0.5 W	155 MHz
2N2466	100	60 V	50 mA	0.5 W	160 MHz
2SC6132	100	80 V	1000 mA	0.5 W
2SC5053	120	50 V	1000 mA	0.5 W	150 MHz
BCX56-16T	100	80 V	1000 mA	0.5 W	155 MHz
MPS8098	100	60 V	200 mA	0.6 W	150 MHz
MPSA55G	100	60 V	100 mA	0.63 W	150 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Cujo Fuzz BC546A · J202	Suhr Rufus Fuzz	Fuzz	PedalPCB	125B	6	$10.00	40
	Pastel Preamp 2N6429 · BC546A · J201 · TL072	JHS Crayon	Overdrive	PedalPCB	125B	4	$15.00	107