Parts · Transistors

KT315A

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
KT315A	30	25 V	100 mA	0.15 W	250 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2N3904	40	40 V	200 mA	0.31 W	300 MHz	282
2N5845	25	40 V	1000 mA	0.625 W	300 MHz	1
2N3903	50	40 V	200 mA	0.31 W	250 MHz	8
MPSA12	20	20 V	300 mA	0.33 W	125 MHz	1
SC206	16	20 V	100 mA	0.2 W	300 MHz	1
2SC536	60	30 V	100 mA	0.2 W	115 MHz	1
MPSA05	50	60 V	500 mA	0.33 W	100 MHz	2
2SC828	65	30 V	50 mA	0.25 W	110 MHz	8

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BFV54	30	30 V	800 mA	0.15 W	250 MHz
BFV10	30	30 V	800 mA	0.15 W	200 MHz
BFV50	30	25 V	800 mA	0.15 W	175 MHz
BFV58	30	25 V	500 mA	0.15 W	150 MHz
BFV88C	30	30 V	800 mA	0.3 W	250 MHz
BFW64	30	30 V	50 mA	0.15 W	450 MHz
2N2845	30	30 V	500 mA	0.36 W	250 MHz
BFV88D	30	30 V	800 mA	0.36 W	250 MHz

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