Parts · Transistors

MPS2222A

Si NPN BJT TO-92 TH.3 circuits use this part.

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
MPS2222A	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
Noise Terminator 2N5551 · LF347 · LF353 · LF353N Decimator G strong II · 1590BB	Decimator G strong II	Noise Gate	PCB Guitar Mania	1590BB	1	€11.90 out	80
ISP Decimator Noise Reduction 2N5551 · ? · LF353 · LF353N ISP Decimator	ISP Decimator	Noise Gate	Revolution Deux	—	1	—	73
Joao Galego Decimator G-String work-alike 2N5551 · ? · LF353 · LF353N ISP Decimator G-String	ISP Decimator G-String	Noise Gate	Revolution Deux	—	1	—	80