Parts · Transistors

2SC2603

1 circuit uses 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
2SC2603	90		200 mA	0.3 W	100 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2N5551	80	160 V	600 mA	0.31 W	100 MHz	1
2N6076	100	25 V	100 mA	0.36 W	100 MHz	1
2N2924	100	25 V	100 mA	0.36 W	100 MHz	1
2N3700	100	80 V	1000 mA	0.5 W	100 MHz	3
2N3569	100	40 V	500 mA	0.3 W	60 MHz	1
MPSA05G	100	60 V	500 mA	0.63 W	100 MHz	2
BC337	100	45 V	800 mA	0.36 W	60 MHz	1
BC107	110	45 V	100 mA	0.3 W	150 MHz	4

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2SC2575	90	50 V	200 mA	0.3 W	100 MHz
BC234	90	30 V	100 mA	0.3 W	100 MHz
BC234A	90	45 V	100 mA	0.3 W	100 MHz
2SC1485	90	250 V	125 mA	0.35 W
PN2923	90	25 V	100 mA	0.35 W
PN3393	90	25 V	100 mA	0.35 W
2SC3361	90	50 V	150 mA	0.4 W	100 MHz
MPS6513	90	30 V	100 mA	0.31 W	125 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Backfeeder 2SC2603 · 2SC732 · CD4013N · CD4046N	Boss DF-2 Super Distortion & Feedbacker	Fuzz	PedalPCB	1590BB	4	$12.00 out	127