Parts · Transistors

2SC900

Si NPN BJT.3 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
2SC900	250	25 V	20 mA	0.25 W	75 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2N3391	250	25 V	100 mA	0.2 W	70 MHz	9
2SC539	250	25 V	50 mA	0.3 W	100 MHz	3
BC169B	240	20 V	100 mA	0.3 W	85 MHz	6
BC169	240	20 V	100 mA	0.3 W	85 MHz	1
BC184	240	30 V	200 mA	0.3 W	150 MHz	15
BC183B	240	30 V	200 mA	0.3 W	150 MHz	3
BC184B	240	30 V	200 mA	0.3 W	150 MHz	1
MPS6515	250	25 V	100 mA	0.31 W	200 MHz	3

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2SC1361	250	25 V	200 mA	0.25 W	70 MHz
2SC1363	250	25 V	200 mA	0.25 W	70 MHz
BSW88B	250	30 V	100 mA	0.3 W
BSW89B	250	30 V	100 mA	0.3 W
BC278B	240	25 V	100 mA	0.3 W	75 MHz
2SC1917	250	20 V	100 mA	0.2 W	75 MHz
2SC923	250	25 V	20 mA	0.25 W	50 MHz
2SC538	250	25 V	50 mA	0.3 W	100 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
BOSS CE-1 1458 · 2SA493 · 2SA733 · 2SB434 Boss CE-1	Boss CE-1	Vibrato / Chorus	Experimentalists Anonymous	—	4	—	181
Boss CE-1 (GIF) 2SA493 · 2SA733 · 2SB434 · 2SC536F Boss CE-1 (GIF)	Boss CE-1 (GIF)	Vibrato / Chorus	Experimentalists Anonymous	—	4	—	189
Boss CE-1 Chorus Ensemble 1458 · 2SA493 · 2SA733 · 2SB434 Boss CE-1	Boss CE-1	Vibrato / Chorus	Revolution Deux	—	7	—	179