Parts · Transistors

2SC859

Si NPN BJT.2 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
2SC859	240	12 V	50 mA	0.1 W	90 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BC169B	240	20 V	100 mA	0.3 W	85 MHz	6
BC169	240	20 V	100 mA	0.3 W	85 MHz	1
2N3391	250	25 V	100 mA	0.2 W	70 MHz	9
2SC539	250	25 V	50 mA	0.3 W	100 MHz	3
BC208B	240	20 V	100 mA	0.3 W	150 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

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BC399B	240	20 V	75 mA	0.075 W
2N4087	250	12 V	100 mA	0.2 W
2SC363	250	18 V	40 mA	0.2 W	75 MHz
BFR68B	200	20 V	150 mA	0.1 W
2SC1917	250	20 V	100 mA	0.2 W	75 MHz
BC130B	240	20 V	100 mA	0.175 W	150 MHz
BC131	240	20 V	100 mA	0.175 W	150 MHz
BC131B	240	20 V	100 mA	0.175 W	150 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Creepy Fingers DoomiDrive Perfboard Verified 2SC859 Creepy Fingers Doomidrive	Creepy Fingers Doomidrive	Overdrive	Effects Layouts (blog)	—	3	—	21
	Creepy Fingers Doomidrive Vero20×9 Verified 2SC859 Creepy Fingers Doomidrive	Creepy Fingers Doomidrive	Boost	Tagboard Effects	—	3	—	20