Parts · Transistors

2SB22

Ge PNP BJT TH.2 circuits use this part.

Substitutes Ge 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
2SB22	95	25 V	75 mA	0.17 W	0.4 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
ASY33	90	30 V	300 mA	0.15 W	0.5 MHz	1
2SB56	80	25 V	150 mA	0.15 W	0.5 MHz	1
2SB54	80	20 V	150 mA	0.15 W	0.5 MHz	5
2G381	75	20 V	500 mA	0.25 W	1 MHz	5
2N527	80	30 V	500 mA	0.225 W	2 MHz	2
2N526	65	30 V	500 mA	0.225 W	1 MHz	1
2G374	60	25 V	100 mA	0.15 W	1 MHz	1
NTE158	90	32 V	1000 mA	1.6 W	1.5 MHz	1

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N1379	85	25 V	200 mA	0.25 W	0.4 MHz
2N363	90	30 V	100 mA	0.17 W	0.6 MHz
2N132A	90	20 V	100 mA	0.1 W	0.4 MHz
NKT207	100	45 V	125 mA	0.18 W	0.5 MHz
ACY25	75	30 V	50 mA	0.15 W
2SAB38	85	25 V	150 mA	0.15 W	0.8 MHz
NKT229	85	20 V	500 mA	0.3 W	0.5 MHz
2N571	100	25 V	300 mA	0.15 W	1.2 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Nine Volt Nirvana Dinosaur Fuzz 2N3906 · 2SB22 Nine Volt Nirvana Dinosaur Fuzz	Nine Volt Nirvana Dinosaur Fuzz	Fuzz	Revolution Deux	—	6	—	28
	Nine Volt Nirvana Tarpit Meltdown 2N3906 · 2SB22 Nine Volt Nirvana Tarpit Meltdown	Nine Volt Nirvana Tarpit Meltdown	Fuzz	Revolution Deux	—	7	—	33