Parts · Transistors

OC82D

Ge PNP BJT TH.1 circuit uses 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
OC82D	30	16 V	10 mA	0.15 W	0.2 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
OC71	30	20 V	10 mA	0.125 W	0.3 MHz	18
NKT275	30	15 V	250 mA	0.2 W	0.5 MHz	13
OC76	30	32 V	125 mA	0.125 W	0.1 MHz	9
OC82DM	30	16 V	10 mA	0.17 W	1 MHz	4
OC81D	20	16 V	10 mA	0.15 W	0.2 MHz	3
OC603	20	12 V	50 mA	0.08 W	0.25 MHz	1
MP39B	20	15 V	150 mA	0.15 W	0.5 MHz	5
AC151	30	24 V	200 mA	0.9 W	1 MHz	2

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
ACY36	30	16 V	200 mA	0.15 W	0.2 MHz
AC540	30	15 V	50 mA	0.15 W
OC73N	30	16 V	10 mA	0.125 W	0.2 MHz
OC820	30	20 V	150 mA	0.15 W	0.2 MHz
SFT121	30	12 V	250 mA	0.15 W	0.2 MHz
2N1956	30	16 V	200 mA	0.2 W
OC72	30	16 V	125 mA	0.165 W	0.25 MHz
2N1957	30	14 V	200 mA	0.2 W

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	DAM GT-73 Graveyard Tramp Vero Verified BC179 · OC82D DAM GT-73 Graveyard Tramp	DAM GT-73 Graveyard Tramp	Fuzz	Dirtbox Layouts	—	2	—	15