Parts · Transistors

2SC2603

Si NPN BJT.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
MPS6513	90	30 V	100 mA	0.31 W	125 MHz	6
2N5551	80	160 V	600 mA	0.31 W	100 MHz	6
2N2924	100	25 V	100 mA	0.36 W	100 MHz	3
2N2923	100	25 V	100 mA	0.36 W	100 MHz	3
2N6076	100	25 V	100 mA	0.36 W	100 MHz	1
2N2925	100	25 V	100 mA	0.36 W	100 MHz	1
2N3393	90	25 V	100 mA	0.2 W	70 MHz	4
2SC381	90	20 V	100 mA	0.2 W	150 MHz	1

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
2SC3361	90	50 V	150 mA	0.4 W	100 MHz
2SC2812	90	50 V	150 mA	0.2 W	100 MHz
2SC3134	90	50 V	150 mA	0.2 W	100 MHz
2SC713	90	25 V	100 mA	0.2 W	100 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Backfeeder 2SC2603 · 2SC732 · CD4013 · CD4013N Boss DF-2 Super Distortion & Feedbacker · 1590BB	Boss DF-2 Super Distortion & Feedbacker	Fuzz	PedalPCB	1590BB	4	$12.00 out	127