Parts · Transistors

2N4393

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
2N4393		150 mA	40 V	1.8 W

Used on other boards here

Part	Vgs max	Id max	Vds	Pd	Boards
2N4391		150 mA	40 V	1.8 W	2

Closest by the numbers

Part	Vgs max	Id max	Vds	Pd
2N4392		150 mA	40 V	1.8 W
2N4856A	10 V	50 mA	40 V	1.8 W
2N6659-SM		1100 mA	60 V	6.25 W

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Dean Markley Overlord Tube Overdrive 2N4393 · 2SK30A · 4558 Dean Markley Overlord Tube Overdrive	Dean Markley Overlord Tube Overdrive	Overdrive	Revolution Deux	—	5	—	61