Parts · Transistors

SST201

Si N-ch JFET SOT-23 SMD.1 circuit uses this part.

Datasheet · from linearsystems.com

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
SST201		50 mA	40 V	0.36 W

Used on other boards here

Part	Vgs max	Id max	Vds	Pd	Boards
2N3956	4 V	50 mA	50 V	0.25 W	1
2N3954	4 V	50 mA	50 V	0.25 W	1
BF244A	30 V	50 mA	30 V	0.35 W	8
J113		50 mA	35 V	0.4 W	88
J112		50 mA	35 V	0.4 W	24
J111		50 mA	35 V	0.4 W	17
2N4859A	10 V	50 mA	30 V	0.36 W	2
2N4416	30 V	30 mA	30 V	0.3 W	1

Closest by the numbers

Part	Vgs max	Id max	Vds	Pd
J203		50 mA	40 V	0.36 W
J204		50 mA	40 V	0.36 W
PN4117	1.8 V	50 mA	40 V	0.3 W
PN4118	3 V	50 mA	40 V	0.3 W
PN4119	6 V	50 mA	40 V	0.3 W
2N3921	2.7 V	50 mA	50 V	0.3 W
2N3922	2.7 V	50 mA	50 V	0.3 W
2N3955	4 V	50 mA	50 V	0.25 W

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Svenson Preamp J201 · SST201 Benson Preamp · 125B	Benson Preamp	Overdrive	PCB Guitar Mania	125B	4	€9.90 out	40