Parts · Transistors

J201

178 circuits use this part. Listed as: BJT transistor, NPN, TO-92; JFET transistor, N-channel; JFET, N-channel; JFET, N-channel, SOT-23; JFET, N-channel, TO-92.

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
J201	1.5 V	1 mA	40 V	0.625 W

Used on other boards here

Part	Vgs max	Id max	Vds	Pd	Boards
PN4393		5 mA	40 V	0.36 W	1
J202	4 V	4.5 mA	40 V	0.625 W	2
2SK246		14 mA	50 V	0.3 W	2
2N5952	3 V	8 mA	30 V	0.36 W	14
PF5102	1.6 V	20 mA	40 V	0.625 W	14

Closest by the numbers

Part	Vgs max	Id max	Vds	Pd
2N4867	2 V	1.2 mA	40 V	0.3 W
2N4868	3 V	3 mA	40 V	0.3 W
2N5902	4.6 V	0.5 mA	40 V	0.5 W
2N5903	4.6 V	0.5 mA	40 V	0.5 W
2N5904	4.6 V	0.5 mA	40 V	0.5 W
2N5905	4.6 V	0.5 mA	40 V	0.5 W
2N5906	4.6 V	0.5 mA	40 V	0.5 W
2N5907	4.6 V	0.5 mA	40 V	0.5 W

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Delta Amp Overdrive J201	Vertex Steel String	Overdrive	Aion FX	125B	3	$12.50	44
Draco Amp Distortion J201	Dr. Boogey	Distortion	Aion FX	125B	3	$12.50	72
Hypercube Fuzz / Distortion 2N3906 · 2N5088 · J201 · JRC4558D	BOSS FZ-2 Hyper Fuzz	Fuzz	Aion FX	125B	4	$16.00	100
Maelstrom Bass Drive CD4049UBE · J201 · TL072	Darkglass Microtubes B3K	Overdrive	Aion FX	125B	4	$12.50	81
Peppermill 2N7000 · J201	Runoffgroove Peppermill	Overdrive	Aion FX	125B	3	$12.50	31
Supreaux 2N5457 · J201 · TC1044SCPA CHARG	Runoffgroove Supreaux	Overdrive	Aion FX	125B	4	$12.50	53
Supreaux Deux 2N5457 · J201 · TC1044SCPA CHARG	Runoffgroove Supreaux Deux	Overdrive	Aion FX	125B	4	$12.50	52
Viridian Dynamic Overdrive J201 · LF353N	BJFe Little Green Wonder	Overdrive	Aion FX	125B	3	$12.50	45
Skinwalker Hi Gain Distortion 2N3904 · J201	—	Distortion	Dead Astronaut FX	—	3	£15.00	49
Anticarus 2N3904 · BS170 · J201	Spaceman Effects Aphelion Harmonic Overdrive	Overdrive	Dead End FX	125B	2	$12.00	23
Dilligaf 2N2222 · J201	ever elusive INFANEM Driving Notion 5 knob version	Fuzz	Dead End FX	125B	5	$12.00	33
Eva 2N2222A · 2N3700 · 2N5088 · AC128	Spaceman Effects Gemini IV	Fuzz	Dead End FX	1590BBS	10	$15.00	77
Gollum BS170 · J201	Spaceman Effects Rumblefuzz	Fuzz	Dead End FX	125B	3	$12.00	29
Loop-D-Loop 7660 · J201	Ceriatone Mini Klein-ulator	Utility	Dead End FX	1590BBS	6	$15.00	39
Navaho BS250 · J201 · LND150N3-G · PIC12F675	Spaceman Effects Redstone	Overdrive	Dead End FX	125B	3	$12.00	44
Oiolossë J201	rare Midnight Amplification Holy Mountain	Distortion	Dead End FX	125B	3	$15.00	48
Syndrome 2N22224 · 2N2222A · 2N5962 · J201	Infanem 141G fuzz, this project now covers the 141T version as well	Fuzz	Dead End FX	125B	4	$12.00	65
Synergy V.2 2N3904 · J201 · MC33178 · TL072	TWA Triskelion 3	Overdrive	Dead End FX	1590BBS	3	$15.00	65
The Thing J201 · NE5532 · TLOF2	TWA Dynamorph	Fuzz	Dead End FX	1590J	7	$15.00 out	131
Metal X/Corrosion and Grunge 2N5088 · J201 · JRC4558	DOD Metal X, Corrosion or Grunge	Distortion	Dirt Monger Instruments	1590BBS	—	CA$16.50	53
EA Trem 2N5088 · BS170 · J201	EA Tremolo	Tremolo	Effects Layouts	1590B	3	$6.00	27
Lilliput 2N5088 · 2N5457 · J201	SS/BS Mini	Overdrive	Effects Layouts	125B	5	$8.00	35
Need For Tweed J201	Wampler Tweed ’57	Overdrive	Effects Layouts	125B	5	$8.00	49
DOD FX96 2N5088 · 4007A · J201 · MN3101	DOD FX96	Delay	Experimentalists Anonymous	—	—	—	17
385 Drive J201 · TC1044SCPA	Walrus Audio 385 Overdrive	Overdrive	Five Cats Pedals	1590B	4	£4.50	45
57 Shades of Tweed J201	Wampler Tweed 57	Overdrive	Five Cats Pedals	1590B	6	£4.50	53
Amp-fet-amine One J201 · RC4580	Boss FA-1 FET Amplifier	Preamp / Amp-in-a-box	Five Cats Pedals	1590B	4	£4.50	44
BBBoost J201	Tim Escobedo Duente JFET Boost / JHS Mini-Bomb	Boost	Five Cats Pedals	1590A	2	£4.00	7
One Punch J201 · LM386	Greer Amps Sucker Punch	Overdrive	Five Cats Pedals	—	4	£4.00	18
Summit Distortion J201	Wampler Pinnacle	Distortion	Five Cats Pedals	1590B	4	£4.50	55
Super60 J201 · TC1044SCPA	JHS Superbolt V2	Preamp / Amp-in-a-box	Five Cats Pedals	—	3	£4.50	39
Vesuvius Fuzz 2N5088 · 42TL019 · J201	EQD Erupter	Fuzz	Five Cats Pedals	—	3	£4.50	27
18 Watt J201	RunOffGroove Eighteen	Overdrive	Fuzz Dog	1590B	3	£36.00	33
2.5 Revs 2N3904 · J201	Fairfield 900	Fuzz	Fuzz Dog	1590B	4	£36.00	38
BSIAB2 - Brown Sound in a Box 2N5457 · J201	BSIAB2	Distortion	Fuzz Dog	1590B	4	£36.00	42
Cab Sim ROG Condor 4558 · J201	Run Off Groove Condor	Preamp / Amp-in-a-box	Fuzz Dog	1590B	2	£27.60	32
Chimera PreAmp J201	Benson Preamp	Preamp / Amp-in-a-box	Fuzz Dog	1590B	3	£42.00	33
Country Crunch Drive 4580 · J201	Paisley Drive	Overdrive	Fuzz Dog	1590B	2	£36.00	42
Dr Boogie Distortion J201	Dr Boogie	Distortion	Fuzz Dog	1590BB	6	£57.60	52
Dude Boost J201	Duende	Boost	Fuzz Dog	1590B	2	£20.40	7
EA Tremolo 2N5088 · BS170 · J201	Electronic Arts Tremelo	Tremolo	Fuzz Dog	1590B	3	£28.80	24
English Channel - Vertical Format J201	English Channel	Overdrive	Fuzz Dog	1590B	5	£39.60	42
English Channel - Vox Top-Boost In A Box J201	English Channel	Boost	Fuzz Dog	1590B	5	£39.60	43
FuzzPup Daddy Grace Drive/Distortion J201 · LM386	Run Off Groove Grace / Big Daddy	Distortion	Fuzz Dog	1590A	2	£21.60	10
FuzzPup EA Trem 2N5088 · BS170 · J201	EA Tremolo	Tremolo	Fuzz Dog	1590A	3	£28.80	24
Green Citrus - Matamp-in-a-box 2N5457 · J201	Green Citrus	Preamp / Amp-in-a-box	Fuzz Dog	1590B	5	£45.60	42
Hey Sucker! Distortion J201 · LM386	Sucker Punch	Distortion	Fuzz Dog	1590B	4	£28.80	17
Marvellous Marshall 7660SEPA · J201	Marvel Drive	Overdrive	Fuzz Dog	1590B	4	£45.60	49
MaxMini 2N5089 · 2N5457 · J201	Mini	Overdrive	Fuzz Dog	1590B	5	£38.40	32
Mini Booster J201	AMZ Mini Boost / Bad Bob Boost	Boost	Fuzz Dog	1590B	1	£24.00	12
Model T - Sunn PreAmp J201	Sunn Model T amp	Preamp / Amp-in-a-box	Fuzz Dog	1590BB	1	£52.80	31
Model T Mini - Sunn PreAmp J201	Sunn Model T amp	Preamp / Amp-in-a-box	Fuzz Dog	1590B	1	£50.40	31
Orange King Drive 2N5457 · BS170 · J201	Monarch	Overdrive	Fuzz Dog	1590B	4	£42.00	41
Parental Guidance 072 · 5532 · 7660SEPA · J201	PG-14	Distortion	Fuzz Dog	1590B	6	£42.00	61
SK10 Visual Super Product 2SC1815 · 5534 · J201	Ibanez SK10 Visual Super Product	Distortion	Fuzz Dog	1590B	1	£33.60	38
Sacred Utterance Overdrive 2N7000 · J201	Mantra	Fuzz	Fuzz Dog	1590B	4	£40.80	57
Salon Drive J201 · PN2222A	Barbershop V2	Overdrive	Fuzz Dog	1590B	2	£36.00	30
String Stinger Drive J201	Steel String	Overdrive	Fuzz Dog	1590B	3	£30.00	35
Supreaux Bolt 2N5457 · 7660S · J201	Superbolt	Overdrive	Fuzz Dog	1590B	3	£38.40	35
Trainwreck 2N5088 · 4558 · J201	T Drive	Overdrive	Fuzz Dog	1590B	2	£32.40	43
Two Dozen - Silvertones 7660S · J201	Twin Twelve	Overdrive	Fuzz Dog	1590B	4	£42.00	40
Wiz CV7351 · J201	Castledine Wizard	Overdrive	Fuzz Dog	1590B	2	£43.20	41
Jawari - Sitar Simulator J201	—	EQ / Filter	General Guitar Gadgets	—	1	$9.00	13
Black Ice 4049N · J201 · TL072	Darkglass Microtubes B3K this PCB	Overdrive	GuitarPCB	—	5	$9.95 out	69
Blues Power v2 BS170 · J201	—	Utility	GuitarPCB	—	3	$7.95 out	26
NostalgiTone 70s Triple Combo PCB Set: Classic Rock Powerhouse J201 · LM833 · TL072	—	Utility	GuitarPCB	1590DD	9	$15.95 out	82
Plexi J201	Plus v2 – The Best Plexi	Other	GuitarPCB	—	2	$8.95 out	46
Sunn T v3 J201	—	Preamp / Amp-in-a-box	GuitarPCB	—	7	$9.95 out	39
Archibald J201 · LT1054 · SPOT). · TL072	BK Butler Tube Driver	Other	Madbean	—	6	$17.00 out	63
Batwing 2N3906 · J201 · LM13700 · LM1458	Maestro FSH1 (envelope only)	Distortion	Madbean	125B	5	$12.00	56
Blue Steel 2N3904 · 2N3906 · J201 · TL072	Boss BD-2	Distortion	Madbean	125B	3	$12.00	80
Boneyard J201 · LF347 · TC1044SCPA	Carl Martin Plexitone	Distortion	Madbean	1590B	3	$10.00	43
Degenerator J201 · LM386 · PT2399 · TL072	PT2399 Delay	Delay	Madbean	1590B	5	$10.00	66
Fireaxe 4580DD · J201	Boss FA-1 Boost/OD hybrid	Overdrive	Madbean	1590B	4	—	42
Oracle 2N3904 · 2N5088 · J201 · NE5532	Boss CS-3 compressor	Distortion	Madbean	125B	4	$12.00	64
Splunker J201 · PT2399 · RESP.) · SI	mbp PT2399 Delay	Distortion	Madbean	1590B	7	—	60
Big Bass Bro J201 · PNP GERMANIUM	Wren And Cuff Suppa Phat Phuk	Boost	Moonn Electronics	—	3	€4.50	21
Cinnamon Roll 2N5088 · J201	—	Fuzz	Moonn Electronics	—	3	€4.50	13
Device that makes your signal nicer and louder and even distorts it if you want it to J201	Preamp by Benson Amps	Preamp / Amp-in-a-box	Moonn Electronics	—	5	€5.50	32
Evil Spell J201 · MPSA13	—	Fuzz	Moonn Electronics	—	3	€4.50	19
Fuzz Remedy 2N2222 · J201	—	Fuzz	Moonn Electronics	—	2	€4.50	21
Knuckle Sandwich 2N5088 · J201	—	Fuzz	Moonn Electronics	—	3	€4.50	13
Knut J201 · NE5532 · TL072	—	Ring Mod / Synth	Moonn Electronics	—	1	€5.50	23
Kobold J201	JHS Mini Bomb	Boost	Moonn Electronics	—	2	€2.50	5
Sweeney 2N2222 · J201	Fairfield Circuitry Barbrershop	Overdrive	Moonn Electronics	—	3	€4.50	24
Absolute Distortion J201	Wampler Sovereign	Distortion	PCB Guitar Mania	125B	3	€9.90 out	62
Amped S-bass J201 · TL062 · TL072	Ampeg SVT	Overdrive	PCB Guitar Mania	1590BB	4	€14.90 out	81
Appetite for Distortion BC547B · J201 · TL064	Slash Signature Marshal AFD	Distortion	PCB Guitar Mania	125B	2	€11.90 out	60
Aussie Storm 1044SCA · J201 · LM386N-1 · RC4558P	SoloDallas Storm & JFET Marshall High, total 124 components	Distortion	PCB Guitar Mania	1590BB	2	€19.90 out	107
Black Mirror Bass Tubes CD4049UBE · J201 · TL072 · TL074	Darkglass Vintage Microtubes	Overdrive	PCB Guitar Mania	125B	4	€11.90 out	71
Black Mirror VII 4049N · J201 · TL072ACP · TL074ACN	Darkglass Microtubes B7K Ultra	Overdrive	PCB Guitar Mania	1590BB	9	€14.90 out	116
Black Sun of Doom 2N5088 · J201 · TL072CP	Coda Effects Black Hole	Distortion	PCB Guitar Mania	1590BB	7	€11.90 out	58
Black Sun of Doom SMD 2N5088 · J201 · TL072CP	Coda Effects Black Hole	Overdrive	PCB Guitar Mania	1590BB	7	€22.90 out	26
Cataline’s Secret MK III J201	Catalinebred’s Dirty little secret	Distortion	PCB Guitar Mania	125B	6	€9.90 out	58
Clockwork Orange J201	Orange Graphic MKII	Fuzz	PCB Guitar Mania	1590BB	5	€11.90 out	51
Crimson Device J201 · OC139	Earthquaker Devices Crimson	Overdrive	PCB Guitar Mania	125B	3	€9.90 out	25
Dimehead J201 · MAX1044 · TL074	Randall x2 Warhead	Distortion	PCB Guitar Mania	125B	10	€11.90 out	99
Engel Pre-amp BC547B · J201 · TL061 · TL064	Engl 530 Preamp	Distortion	PCB Guitar Mania	125B	6	€11.90 out	67
Green Lemon 2N5457 · J201	Green Matamp GT120MV	Fuzz	PCB Guitar Mania	125B	5	€9.90 out	44
Green Lemon SMD 2N5457 · J201	Green Matamp GT120MV	Distortion	PCB Guitar Mania	125B	3	€19.90 out	16