Parts · Transistors

OC46

Ge PNP BJT TH.1 circuit uses this part. Listed as: PNP Germanium Transistor.

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
OC46	80	20 V	125 mA	0.083 W	2 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2N527	80	30 V	500 mA	0.225 W	2 MHz	2
NTE102	90	16 V	150 mA	0.15 W	2 MHz	3
2G381	75	20 V	500 mA	0.25 W	1 MHz	5
2SB54	80	20 V	150 mA	0.15 W	0.5 MHz	5
2SB56	80	25 V	150 mA	0.15 W	0.5 MHz	1
SFT337	100	15 V	100 mA	0.15 W	1 MHz	3
2N1309	80	15 V	300 mA	0.15 W	12 MHz	1
MP20A	50	20 V	300 mA	0.15 W	2 MHz	1

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N1404	80	20 V	300 mA	0.15 W	2 MHz
2N185	80	20 V	150 mA	0.15 W	2 MHz
2N826	100	20 V	200 mA	0.075 W	2 MHz
NKT103	100	20 V	500 mA	0.075 W	2 MHz
2N324	85	18 V	200 mA	0.225 W	2 MHz
2SAB37	80	20 V	150 mA	0.15 W	1 MHz
ACY38VI	75	15 V	100 mA	0.15 W	1.5 MHz
2N609	90	15 V	200 mA	0.18 W	1.8 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Park Fuzz Sound 2-Knob Turret board2×6 2N527 · OC46 Park Fuzz Sound · 1590B	Park Fuzz Sound	Fuzz	Amplified Parts	1590B	—	—	15