Parts · Transistors

KT315B

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
KT315B	50	20 V	100 mA	0.15 W	250 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2N3903	50	40 V	200 mA	0.31 W	250 MHz	8
2SC536	60	30 V	100 mA	0.2 W	115 MHz	1
2N3904	40	40 V	200 mA	0.31 W	300 MHz	282
MPSA05	50	60 V	500 mA	0.33 W	100 MHz	2
2N2369	40	15 V	200 mA	0.36 W	500 MHz	3
2SC828	65	30 V	50 mA	0.25 W	110 MHz	8
2N3053	50	40 V	700 mA	1 W	100 MHz	1
2N5133	60	18 V	50 mA	0.2 W	40 MHz	2

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2SC1607	50	20 V	100 mA	0.18 W
2SC1608	50	20 V	100 mA	0.18 W	243 MHz
BFV37	50	30 V	100 mA	0.15 W
BSX53	50	30 V	100 mA	0.15 W	200 MHz
BFV38	50	45 V	100 mA	0.15 W
BFV51	50	30 V	800 mA	0.15 W	175 MHz
BFY19	50	20 V	100 mA	0.3 W	300 MHz
2N339	50	55 V	60 mA	0.15 W

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Slava Ukraine GT310B · KP103G · KP103L · KT315A	Ltava	Tremolo	PCB Guitar Mania	1590DD	8	€1.00 out	127