Parts · Transistors

2SC1815-Y

Si NPN BJT TO-92 TH.3 circuits use this part.

Datasheet · archived copy from Toshiba; the part is discontinued and the maker no longer publishes it

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
2SC1815-Y	120	50 V	150 mA	0.4 W	80 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BC182	120	50 V	200 mA	0.3 W	150 MHz	7
BC337	100	45 V	800 mA	0.36 W	60 MHz	25
TIS92	100	40 V	400 mA	0.625 W		4
BC107	110	45 V	100 mA	0.3 W	150 MHz	13
BC107A	110	45 V	100 mA	0.3 W	150 MHz	3
BC237	110	45 V	100 mA	0.3 W	150 MHz	1
2SD1616A	135	60 V	1000 mA	0.75 W	100 MHz	1
2SC2785	110	50 V	100 mA	0.25 W	150 MHz	2

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2SC5343-Y	120	50 V	150 mA	0.5 W	80 MHz
BCX59VII	120	45 V	200 mA	0.45 W	75 MHz
2SC734Y	120	50 V	150 mA	0.3 W	75 MHz
2SC632A	120	50 V	200 mA	0.32 W	70 MHz
2SC2868Y	120	80 V	100 mA	0.4 W	80 MHz
BC167	120	45 V	100 mA	0.3 W	85 MHz
BC167A	120	45 V	100 mA	0.3 W	85 MHz
2SC1740S	120	50 V	150 mA	0.3 W	100 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Sputter 2SC1815-Y · 2SK30A-Y · 4558 Last Gasp Arts Labs Ripplet · 125B	Last Gasp Arts Labs Ripplet	Tremolo	Dead End FX	125B	3	$12.00	50
BOSS NF-1 2SC1815-Y · 2SC732TM-GR · 2SK30A-Y · UPC741C Boss NF-1	Boss NF-1	Compressor	Experimentalists Anonymous	—	2	—	51
Lastgasp Art Laboratories Rattle Crow Restive Filter Vero19×11 Verified 2SC1815-Y · TL072 Lastgasp Art Laboratories Rattle Crow	Lastgasp Art Laboratories Rattle Crow	EQ / Filter	Tagboard Effects	—	3	—	19