Parts · Transistors

2SC3198-GR

Si NPN BJT.1 circuit uses this part. Listed as: 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
2SC3198	20		150 mA	0.4 W	130 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
MPSA12	20	20 V	300 mA	0.33 W	125 MHz	13
2N706A	20	15 V	200 mA	0.36 W	200 MHz	2
2N5845	25	40 V	1000 mA	0.625 W	300 MHz	1
BF244	30	30 V	100 mA	0.3 W	170 MHz	3
SC206	16	20 V	100 mA	0.2 W	300 MHz	1
2N708	30	15 V	200 mA	0.36 W	300 MHz	2
2N5129	35	12 V	500 mA	0.2 W	150 MHz	2
MPSA14	10	30 V	300 mA	0.31 W	125 MHz	29

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BFS65	20	20 V	200 mA	0.4 W
BSYP62	20	15 V	200 mA	0.36 W
2SC565	20	40 V	200 mA	0.35 W
2N1081	20	40 V	750 mA	0.6 W
2SC1352	20	15 V	800 mA	0.6 W
2SC812	20	12 V	100 mA	0.25 W
2N869	20	18 V	100 mA	0.36 W	100 MHz
BC210	20	25 V	700 mA	0.45 W	100 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Concrete Jungle Distortion 2SC3198-GR · 4558 · BC184C · NJM4558D Free the Tone IF-1D Iron Forest Distortion · 125B	Free the Tone IF-1D Iron Forest Distortion	Fuzz	PedalPCB	125B	4	$12.00	53