Parts · Transistors

2N5245

Si N-ch JFET.1 circuit uses this part.

Substitutes N-channel JFET

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	Vgs max	Id max	Vds	Pd
2N5245	1 V	15 mA	30 V	0.35 W

Used on other boards here

Part	Vgs max	Id max	Vds	Pd	Boards
2SK117		14 mA	50 V	0.3 W	42
2SK246		14 mA	50 V	0.3 W	9
2SK184		14 mA	50 V	0.2 W	9
2SK170		20 mA	40 V	0.2 W	10
NTE458		20 mA	50 V	0.25 W	2
J110		10 mA	25 V	0.4 W	1
PF5102	1.6 V	20 mA	40 V	0.625 W	40
PN4393		5 mA	40 V	0.36 W	2

Closest by the numbers

Part	Vgs max	Id max	Vds	Pd
2N5654		15 mA	30 V	0.625 W
2N5555	1 V	15 mA	25 V	0.35 W
BF861B		15 mA	25 V	0.25 W
2SK209		14 mA	50 V	0.15 W
2SK2145		14 mA	50 V	0.3 W
2SK330		14 mA	50 V	0.2 W
2SK362		14 mA	50 V	0.3 W
2SK365		14 mA	50 V	0.2 W

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Tronographic Rusty Box Vero28×21 Verified 2N5245 · MPS8598 · MPSA18 · TL071 Tronographic Rusty Box	Tronographic Rusty Box	Boost	Tagboard Effects	—	5	—	43