Parts · Transistors

2N3906

113 circuits use this part. Listed as: BJT transistor, PNP TO-92; BJT transistor, PNP, TO-92; Semiconductors; TO-92 Inline Wide-large-solderpads; TO-92 Inline With-SMD.

Substitutes Si PNP 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
2N3906	100	40 V	200 mA	0.31 W	250 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2N4403	100	40 V	600 mA	0.31 W	200 MHz	4
PN2907	100	40 V	600 mA	0.4 W	200 MHz	4
BC560	110	45 V	100 mA	0.5 W	150 MHz	1
2SA1015Y	120	50 V	150 mA	0.4 W	80 MHz	2
2N3905	50	40 V	200 mA	0.31 W	200 MHz	1
2N4125	50	30 V	200 mA	0.31 W	200 MHz	7
2N5401	60	150 V	600 mA	0.31 W	100 MHz	1
BC307B	240	45 V	100 mA	0.3 W	130 MHz	3

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BSS70R	100	40 V	100 mA	0.3 W	250 MHz
2N5366	100	40 V	500 mA	0.36 W	250 MHz
2N5383	100	40 V	200 mA	0.36 W	250 MHz
BFV86B	100	40 V	600 mA	0.36 W
BCY71DCSM	100	45 V	200 mA	0.35 W	250 MHz
BC291A	100	45 V	200 mA	0.36 W
BC292	100	45 V	200 mA	0.36 W
BC292A	100	45 V	200 mA	0.36 W

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Aerolith Analog Flanger 2N3906 · 2N5088 · JRC4558D · LM78L05	BOSS BF-2 Flanger	Flanger	Aion FX	125B	4	$16.00	127
Anomaly Vintage Distortion 2N3906 · TL071	Crowther Hot Cake	Distortion	Aion FX	125B	3	$12.50	39
Aurum Amp Overdrive 2N3906 · 2N5088 · 2SK209-GR	BOSS OD-2 Overdrive	Overdrive	Aion FX	125B	3	$12.50	87
Convex Parallel Compressor 2N3906 · 2N5088 · J113 · TL072	Dinosaural OTC-201	Compressor	Aion FX	125B	2	$12.50	73
Dynamo Reactive Distortion 2N3906 · H11F1 · JRC4558D · OP07	Bixonic Expandora	Distortion	Aion FX	125B	4	$12.50	63
Heliodor Amp Overdrive 2N3906 · 2N5088 · 2SK209-GR · JRC4558D	BOSS OD-3 Overdrive	Overdrive	Aion FX	125B	3	$12.50	86
Hypercube Fuzz / Distortion 2N3906 · 2N5088 · J201 · JRC4558D	BOSS FZ-2 Hyper Fuzz	Fuzz	Aion FX	125B	4	$16.00	100
IVP Preamp 2N3904 · 2N3906 · 2N5088 · LF356N	Intersound IVP	Overdrive	Aion FX	1590DD	6	$24.00	197
L4 Bass Preamp 2N3904 · 2N3906 · 2N5088 · 2N5457	Lab Series L4	Preamp / Amp-in-a-box	Aion FX	1590XX	6	$22.00	201
L5 Preamp 2N3904 · 2N3906 · J112 · LF356N	Lab Series L5	Preamp / Amp-in-a-box	Aion FX	1590XX	7	$22.00	207
L5 Preamp (Legacy) 2N3906 · 2N5457 · CA3080 · LF356N	Lab Series L5	Preamp / Amp-in-a-box	Aion FX	1590X	2	—	142
L5 Preamp Clean Channel 2N3904 · 2N3906 · 2N5457 · LF356N	Lab Series L5 Preamp	Preamp / Amp-in-a-box	Aion FX	1590BBS	3	$16.00	107
L5 Preamp Drive Channel 2N3904 · 2N3906 · 2N5457 · LF356N	Lab Series L5 Preamp	Preamp / Amp-in-a-box	Aion FX	1590BBS	5	$16.00	129
Nomad OTA Compressor 2N3906 · LM13700 · TL072	Engineer's Thumb	Compressor	Aion FX	125B	5	$12.50	56
Obsidian Metal Drive 2N3906 · 2N5088 · 2SK209-GR	BOSS MZ-2 Metalizer	Distortion	Aion FX	125B	3	$12.50	88
Octagon Octave Fuzz 2N3904 · 2N3906	Tycobrahe Octavia	Fuzz	Aion FX	125B	2	$12.50	38
Octahedron Octave Fuzz 2N3906 · KSP13	Roger Mayer Octavia	Fuzz	Aion FX	125B	3	$12.50	54
Paradox Parametric EQ 2N3906 · 2N5088 · TL072	Pearl PE-10 Parametric EQ	EQ / Filter	Aion FX	125B	3	$12.50	85
Photon Booster / Line Driver 2N3904 · 2N3906 · 2N5087 · 2N5089	SD Pickup Booster	Boost	Aion FX	125B	2	$12.50	44
Sapphire Amp Overdrive 2N3906 · 2N5088 · 2SK209-GR · JRC4558D	BOSS BD-2 Blues Driver	Overdrive	Aion FX	125B	4	$12.50	93
TS-50 Bass Preamp 2N3906 · MPSA18 · TL071	Traynor TS-50B	Overdrive	Aion FX	1590BBS	4	$16.00	80
TS-50 Guitar Preamp 2N3906 · MPSA18 · TL071	Traynor TS-50	Overdrive	Aion FX	1590BBS	4	$16.00	83
Wyvern Silicon Drive 2N3906 · 2N5088	Dinosaural Tube Bender	Fuzz	Aion FX	125B	4	$12.50	42
Zenith Vintage Phaser 2N3906 · 2N5952 · TL022 · TL062	MXR Phase 90	Phaser	Aion FX	125B	4	$12.50	68
Atomic Duck 2N3906 · 3080TH · TL072 · TL074	Frostwave Funk-a-Duck, the Romans would have honored this circuit as Maximus Quackus	Wah / Envelope	Dead End FX	1590BBS	12	$15.00	74
Hapalochlaena 2N3904 · 2N3906 · AD633AN	Frostwave Blue Ringer v	Ring Mod / Synth	Dead End FX	1590D	2	$20.00	87
Lodestar 2N3906 · LM13700N · LT1013DP · TC7660S	Spaceman Polaris	Overdrive	Dead End FX	1590BBS	3	$15.00	62
Q2 2N3904 · 2N3906 · 2N5484	Frostwave Resonator, so here it is	EQ / Filter	Dead End FX	1590D	7	$20.00	131
Sprocket II 2N3904 · 2N3906 · 2N5088 · BS170	Spaceman Spacerocket II, but with a DEFX twist	Fuzz	Dead End FX	125B	2	$12.00	40
Tresonator 2N3904 · 2N3906 · 2N5484 · LM13700	Frostwave Resonator, but	Wah / Envelope	Dead End FX	—	6	$20.00 out	80
Darkmantle 2N3904 · 2N3906	EQD Tentacle / Green Ringer	Octave / Pitch	Effects Layouts	1590A	—	$5.00	24
Distortion Supreme 2N3904 · 2N3906 · 2SK170 · TL072	Boss MD-2 Mega Distortion	Distortion	Effects Layouts	125B	5	$10.00	97
Козак (Cossack) 2N3904 · 2N3906 · 555 · 7660	Klon Centaur	Overdrive	Effects Layouts	125B	3	$10.00	75
Axis Fuzz 2N3904 · 2N3906	Roger Mayer Axis Fuzz	Fuzz	Five Cats Pedals	—	2	£4.50	21
Dunder Dirt Cheap 2N3906 · MC33178 / LM833 · MPSA18	Seymour Duncan Dirty Deed Distortion	Distortion	Five Cats Pedals	—	4	£4.50	53
Engineers Thumb 2N3906 · LM13700 · TL072	Valve Wizard Engineer’s Thumb	Compressor	Five Cats Pedals	1590B	5	£4.50	39
Octavia 2N3906 · MPSA13	Roger Mayer Vision Octavia	Fuzz	Five Cats Pedals	1590B	3	£4.50	49
Squiddle 2N3906 · 2N5089	EQD Tentacle	Fuzz	Five Cats Pedals	—	—	£3.50	26
Axis Fuzz 2N3904 · 2N3906	Axis Fuzz	Fuzz	Fuzz Dog	1590B	2	£24.00	24
Chilly Biscuit Plus 2N3906 · TL071	Hot Cake	Distortion	Fuzz Dog	1590B	3	£30.00	31
Citric Magic 2N3906 · 2N5845	Rockett Lemon Aid	Overdrive	Fuzz Dog	1590B	2	£33.60	33
Conkador Fuzzstortion 2N3906 · MJE210	Conquistador	Fuzz	Fuzz Dog	1590B	3	£28.80	25
FuzzPup Axis Fuzz 2N3904 · 2N3906	Axis Fuzz	Fuzz	Fuzz Dog	1590A	2	£26.40	24
FuzzPup BossTone 2N2222 · 2N3906	Jordan BossTone	Fuzz	Fuzz Dog	1590A	2	£28.80	18
FuzzPup Stinger 2N3906 · 2N5088	Green Ringer / EQD Tentacle	Octave / Pitch	Fuzz Dog	1590A	1	£21.60	24
Greasy Tool - Crossover Distortion 2N3904 · 2N3906 · BS170	Machine	Distortion	Fuzz Dog	1590B	1	£31.20	32
Green Ringer - Octave UP! 2N3906 · 2N5088	Green Ringer	Octave / Pitch	Fuzz Dog	1590B	—	£20.40	23
Gristleizer - Mad Modulations! 2N3819 · 2N3904 · 2N3906 · 4558	Gristleizer	Vibrato / Chorus	Fuzz Dog	1590BB	1	£55.20	49
Jordan Bosstone 2N2222 · 2N3906	Boss Tone	Fuzz	Fuzz Dog	1590B	1	£24.00	16
Karlito Loves Fuzz 2N3904 · 2N3906 · 2N5089	Karl Fuzz	Fuzz	Fuzz Dog	1590B	1	£27.60	19
Milky Fuzz 2N3906 · BC548	JT White Pedal	Fuzz	Fuzz Dog	1590B	4	£43.20	49
OMG Fuzz 2N2222 · 2N3906	WTF?	Fuzz	Fuzz Dog	1590B	3	£26.40	22
Octave? Ja! 2N3906 · MPSA13	Octavia	Fuzz	Fuzz Dog	1590B	1	£36.00	41
Reptilian Monarch 2N2222 · 2N3906 · 2N5088	Lizard Queen	Fuzz	Fuzz Dog	1590B	3	£30.00	28
Traynor TS-50 Preamp 2N3906 · MPSA18 · TL071	Traynor TS-50 Preamp	Preamp / Amp-in-a-box	Fuzz Dog	1590BB	5	£60.00	69
Traynor TS-50B Preamp 2N3906 · MPSA18 · TL071	Traynor TS-50B Preamp	Preamp / Amp-in-a-box	Fuzz Dog	1590BB	5	£60.00	66
Tube Bender 2N3906 · 2N5088	Dinosaural Tube Bender	Overdrive	Fuzz Dog	1590B	1	£31.20	30
Ursa Fuzz 2N3906 · BC109C	Fuzzly Bear	Fuzz	Fuzz Dog	1590B	3	£26.40	19
Violet DuckBill Octave Fuzz 2N3904 · 2N3906 · CD4049UBE	Purple Platypus	Fuzz	Fuzz Dog	1590B	2	£30.00	32
White Cliffs Drive 2N3906 · 2N7000 · NE5532	Dover Drive	Overdrive	Fuzz Dog	1590B	1	£30.00	39
Direct Box (Active) 2N3906 · LM833 · MAX1044	—	Utility	General Guitar Gadgets	125B	1	$12.00	17
GRO 2N3906 · 2N5088 OR 2N5089	Dan Armstrong Green Ringer	Octave / Pitch	General Guitar Gadgets	—	—	$10.00	25
JBT 2N2222 · 2N3906	Jordan Bosstone	Fuzz	General Guitar Gadgets	—	2	$10.00	14
Maestro Filter Sample/Hold 2N3904 · 2N3906 · 2N5088 OR 2N5089 · 2N5457	Maestro Filter Sample/Hold	Wah / Envelope	General Guitar Gadgets	—	2	$16.00	70
Neutron 2N3906 · 7660 · TL072	Musitronics Mutron III	Wah / Envelope	General Guitar Gadgets	—	—	$16.00	47
Emerald Ring 2N3906 · 2N5088	Best Octave Up Green Ringer	Octave / Pitch	GuitarPCB	—	—	$2.95 out	21
Engineer's Thumb Compressor 2N3906 · CA3080 · TL074	Valve Wizard Engineer's Thumb	Compressor	JMK PCBs	1590B	2	$12.00	32
Expandora 2N3906 · JRC4558 · LM308N	Bixonic Expandora	Distortion	JMK PCBs	—	3	$12.00	51
Headphone Amplifier 2N3904 · 2N3906 · TL071	—	Utility	JMK PCBs	—	2	$5.00	27
Mini Comp 2N3906 · CA3080 · TL074	Valve Wizard Engineer's Thumb	Compressor	JMK PCBs	—	2	—	34
Testing Rig 2N3904 · 2N3906 · TL071	—	Utility	JMK PCBs	—	3	$15.00 out	39
Altered State Phaser (+12V · (-12V · 2N3906 · 2N5485	Maestro PS1-A Phaser	Phaser	Lectric-FX	1590BB	—	$14.99	98
Panacea Tremolo/Panner 2N3904 · 2N3906 · 2N5088 · 2N5457	BOSS PN-2	Tremolo	Lectric-FX	125B	1	$14.99 out	86
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
Freeloader 2N222A · 2N3906 · 2N5088	EHX Lizard Queen	Fuzz	Madbean	1590B	3	$10.00	30
Stage Fright 2N3904 · 2N3906 · 2N5457 · LM13700	Maestro MP-1 Phaser	Distortion	Madbean	125B	2	$13.00	83
The Triplet 2N3906 · 2N5088 · 2N5457 · TLE2074	Comp + Octave + Dist	Distortion	Madbean	1590B	6	—	35
Headphone Amp 2N3904 · 2N3906 · TL072	MXR Headphone Amplifier	Utility	Moonn Electronics	—	2	€4.50	26
Joghurt Im Rucksack 2N3904 · 2N3906	—	Fuzz	Moonn Electronics	—	2	€4.50	18
Mirror 2N3904 · 2N3906 · MPSA18	—	Fuzz	Moonn Electronics	—	2	€4.50	14
The Phase Locked Fuzz 2N3904 · 2N3906 · CD4013 · CD4069	—	Fuzz	Parasit Studio	—	4	—	56
Bionic Pandora 2N3906 · JRC4558 · LM308N	Bixonic Expandora	Distortion	PCB Guitar Mania	125B	3	€11.90 out	52
Goat Reaper Device 2N1308 · 2N2369 · 2N3904 · 2N3906	Hoof Reaper	Octave / Pitch	PCB Guitar Mania	—	4	€14.90 out	103
Grizzly Fuzz 2N3906 · BC109C	KMA Fuzzly Bear	Fuzz	PCB Guitar Mania	1590B	3	€9.90 out	24
Life Device (Compact Version) 2N3906 · 2N5089 · 2N5457 · BS170	EQD Life pedal	Fuzz	PCB Guitar Mania	125B	5	€11.90 out	75
Life Device SMD 2N3906 · 2N5089 · 2N5457 · BS170	EQD Life pedal	Fuzz	PCB Guitar Mania	125B	3	€21.90 out	31
Lizard King 2N2222A · 2N3906 · 2N5088	EHX Lizard Queen Octave Fuzz	Fuzz	PCB Guitar Mania	125B	—	€7.90 out	28
Master Phaser 2N3904 · 2N3906 · 2N5457 · LM13700N	Maestro Stage Phaser MP-1	Phaser	PCB Guitar Mania	1590BB	3	€11.90 out	92
Master Phaser SMD 2N3904 · 2N3906 · 2N5457 · LM13700N	Maestro Stage Phaser MP-1	Phaser	PCB Guitar Mania	125B	2	€21.90 out	19
Master Sampler & Hodler 2N3904 · 2N3906 · 2N5457 · 7660SPCA	Maestro FSH-1 Filter Sample/Hold High, total 74 components	Tremolo	PCB Guitar Mania	1590BB	5	€11.90 out	73
Tone Conqueror 2N3906 · MJE210	Way Huge’s Conquistador	Fuzz	PCB Guitar Mania	1590B	3	€9.90 out	26
5lb Bag Fuzz 2N3906 · 2N7000 · NE5532	Lovepedal 200lbs of Gold (Fuzz Side)	Fuzz	PedalPCB	125B	—	$10.00	43
Basic Relay Bypass (Latching) 2N3904 · 2N3906 · 78L09 · NE555	—	Utility	PedalPCB	125B	—	$2.00	18
Cyborg Drive 2N3906 · TL072	Ibanez CD5 Cyberdrive	Distortion	PedalPCB	125B	3	$8.00	41
Dunder Chief Distortion 2N3906 · MC33178 · MPSA18	Seymour Duncan Dirty Deed	Fuzz	PedalPCB	125B	4	$8.00	53
Ermahgerd! Fuzz 2N2222 · 2N3906	J.Rockett WTF	Fuzz	PedalPCB	125B	4	$10.00	23
Grover Drive 2N3906 · 2N7000 · NE5532	Hermida Audio Dover Drive	Fuzz	PedalPCB	125B	3	$8.00	45
Kalle 2N3904 · 2N3906 · 2N5089	Lovepedal Karl	Fuzz	PedalPCB	125B	2	$8.00 out	23
Lot Lizard Octave Fuzz 2N2222A · 2N3906 · 2N5088	EHX Lizard Queen Octave Fuzz	Fuzz	PedalPCB	125B	3	$8.00	30