Parts · Transistors

PN2222A

Si NPN BJT TO-92 TH.22 circuits use this part. Listed as: BJT transistor, NPN, TO-92; BJT transistor, NPN TO-92; BJT transistor, NPN TO-18; Transistor.

Datasheet · from onsemi.com

Substitutes Si NPN 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
PN2222A	100	40 V	800 mA	0.5 W	300 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
TIS92	100	40 V	400 mA	0.625 W		4
2N4401	100	40 V	600 mA	0.31 W	250 MHz	52
2N2219	100	30 V	800 mA	0.8 W	250 MHz	2
MPSA05G	100	60 V	500 mA	0.63 W	100 MHz	6
2N3700	100	80 V	1000 mA	0.5 W	100 MHz	4
2N3416	75	50 V	500 mA	0.36 W		1
MPSA06G	100	80 V	500 mA	0.63 W	100 MHz	1
BC337	100	45 V	800 mA	0.36 W	60 MHz	25

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N5582	100	40 V	500 mA	0.5 W	300 MHz
BFV63A	100	40 V	800 mA	0.5 W	300 MHz
BSR14	100	40 V	800 mA	0.425 W	300 MHz
BFV66A	100	40 V	800 mA	0.5 W	250 MHz
BSW63	100	40 V	800 mA	0.5 W	250 MHz
2N2792	100	35 V	800 mA	0.5 W	250 MHz
2N5794	100	40 V	600 mA	0.6 W	250 MHz
2N6990	100	50 V	800 mA	0.4 W

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Calliope Vintage Fuzz GE · PN2222A Catalinbread Karma Suture (Ge/Si) · 125B	Catalinbread Karma Suture (Ge/Si)	Fuzz	Aion FX	125B	4	$12.50	32
Ceres Preamp Drive MMBF4393 · PN2222A Catalinbread Sabbra Cadabra · 125B	Catalinbread Sabbra Cadabra	Overdrive	Aion FX	125B	4	$12.50	67
Gaia Mk. II Preamp Drive MMBF4393 · PN2222A Catalinbread Galileo · 125B	Catalinbread Galileo	Overdrive	Aion FX	125B	3	$12.50	63
Nereus Octave Fuzz PN2222A Catalinbread Octapussy · 125B	Catalinbread Octapussy	Fuzz	Aion FX	125B	3	$12.50	48
Fugu 2N3904 · BS170 · BS250 · PN2222A Spaceman Effects Titan II · 125B	Spaceman Effects Titan II	Fuzz	Dead End FX	125B	3	$12.00	32
Catalinbread Galileo Mk. II Vero20×17 Unverified MPF4393 · PN2222A Catalinbread Galileo Mk. II	Catalinbread Galileo Mk. II	Overdrive	Dirtbox Layouts	—	3	—	37
Catalinbread Octapussy Vero20×15 Verified PN2222A Catalinbread Octapussy	Catalinbread Octapussy	Fuzz	Dirtbox Layouts	—	3	—	33
Fairfield Barbershop V2 Vero20×15 Verified J201 · PN2222A Fairfield Circuitry Barbershop V2	Fairfield Circuitry Barbershop V2	Overdrive	Dirtbox Layouts	—	3	—	24
Fjord Fuzz Odin V1 Vero16×14 Verified PN2222A Fjord Fuzz Odin V1	Fjord Fuzz Odin V1	Fuzz	Dirtbox Layouts	—	1	—	16
Tonsorium J201/MMBFJ201 · PN2222A Fairfield Circuitry Barbershop V2 · 1590B	Fairfield Circuitry Barbershop V2	Overdrive	Effects Layouts	1590B	3	$6.00 out	30
Basic white noise generator LM386 · LM386N · PN2222A	—	Ring Mod / Synth	Experimentalists Anonymous	—	—	—	8
Kismet Stitch - 4-knob Harmonic Percolator 1T308A · PN2222A Catalinbread Karma Suture · 1590B	Catalinbread Karma Suture	Distortion	Fuzz Dog	1590B	4	£43.20	27
OctaSquid PN2222A Roger Mayer Octavia · 1590B	Roger Mayer Octavia	Fuzz	Fuzz Dog	1590B	3	£36.00	38
Salon Drive J201 / MMBF201 · PN2222A Fairfield Circuitry Barbershop V2 · 1590B	Fairfield Circuitry Barbershop V2	Overdrive	Fuzz Dog	1590B	2	£36.00	30
Vox MkIII Treble and Bass PN2222A Vox Tone Bender Mk. III · 1590B	Vox Tone Bender Mk. III	Fuzz	Fuzz Dog	1590B	1	£31.20	31
Germanium 4 Big Muff NKT275 · PN2222A · TL072 Electro-Harmonix Germanium 4 Big Muff	Electro-Harmonix Germanium 4 Big Muff	Fuzz	PCBWay: Glory to Ukraine	—	8	—	37
Antithesis Fuzz 1T308A · 2N5401 · PN2222A Catalinbread Karma Suture · 125B	Catalinbread Karma Suture	Fuzz	PedalPCB	125B	4	$8.00	35
Chop Shop Overdrive J201 · PN2222A Fairfield Circuitry Barbershop · 125B	Fairfield Circuitry Barbershop	Fuzz	PedalPCB	125B	4	$12.00	34
Sergeant Fuzz BC319 · PN2222A Creepy Fingers Lonely Heart Fuzz · 125B	Creepy Fingers Lonely Heart Fuzz	Fuzz	PedalPCB	125B	3	$12.00	38
Special Porpoise Fuzz 1T308A · PN2222A Catalinbread Antichthon · 125B	Catalinbread Antichthon	Fuzz	PedalPCB	125B	4	$12.00	28
Li'l Black Cormorant Fuzz 2N3906 · BC109C · PN2222A L'il Black Key · 125B	L'il Black Key	Fuzz	RWL Pedals	125B	5	—	34
Little Hawk Distortion 4558 · MPSA13 · PN2222A · RC4558 Durham Crazy Horse · 125B	Durham Crazy Horse	Distortion	RWL Pedals	125B	5	—	45