Parts · Transistors

P2N2222A

Si NPN BJT TO-92 TH.3 circuits use this part. Listed as: BJT transistor, NPN TO-18.

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
P2N2222A	100	40 V	600 mA	0.625 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
2N2219	100	30 V	800 mA	0.8 W	250 MHz	2
MPSA05G	100	60 V	500 mA	0.63 W	100 MHz	6
MPSA06G	100	80 V	500 mA	0.63 W	100 MHz	1
2N3700	100	80 V	1000 mA	0.5 W	100 MHz	4
2N3416	75	50 V	500 mA	0.36 W		1
2N1711	100	50 V	600 mA	0.8 W	70 MHz	15
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
2N4401L	100	40 V	600 mA	0.625 W	250 MHz
2N5794	100	40 V	600 mA	0.6 W	250 MHz
BC232	100	35 V	350 mA	0.8 W
BSR14	100	40 V	800 mA	0.425 W	300 MHz
BFV90A	100	50 V	800 mA	0.8 W	300 MHz
BFV66A	100	40 V	800 mA	0.5 W	250 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
The Queen MPF4393 · P2N2222A Catalinbread Galileo Mk. II · 125B	Catalinbread Galileo Mk. II	Overdrive	PCB Guitar Mania	125B	3	€11.90 out	55
Depot Fuzz 2N3904 · P2N2222A EarthQuaker Devices Terminal Fuzz · 125B	EarthQuaker Devices Terminal Fuzz	Fuzz	PedalPCB	125B	4	$8.00 out	32
Serpent Boost P2N2222A Dallas Arbiter Rangemaster	Dallas Arbiter Rangemaster	Boost	Rullywow Industries	—	3	$6.00	15