Parts · Transistors

OC82DM

Ge PNP BJT TH.4 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
OC82DM	30	16 V	10 mA	0.17 W	1 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
NKT275	30	15 V	250 mA	0.2 W	0.5 MHz	13
AC151	30	24 V	200 mA	0.9 W	1 MHz	2
OC71	30	20 V	10 mA	0.125 W	0.3 MHz	18
OC82D	30	16 V	10 mA	0.15 W	0.2 MHz	1
MP40	20	15 V	150 mA	0.15 W	1 MHz	1
MP16B	45	15 V	20 mA	0.2 W	1 MHz	1
MP16	20	15 V	20 mA	0.2 W	1 MHz	1
MP39B	20	15 V	150 mA	0.15 W	0.5 MHz	5

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N1956	30	16 V	200 mA	0.2 W
AC540	30	15 V	50 mA	0.15 W
2N413	30	18 V	200 mA	0.2 W	1 MHz
2N1957	30	14 V	200 mA	0.2 W
ACY50	30	15 V	200 mA	0.22 W	1 MHz
ACY51	30	15 V	200 mA	0.22 W	1 MHz
ACY51R	30	15 V	200 mA	0.22 W	1 MHz
2N1954	30	20 V	200 mA	0.2 W

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
DAM FZ-781 J-Type Fuzz Vero15×11 Unverified OC82DM DAM FZ-781 J-Type Fuzz	DAM FZ-781 J-Type Fuzz	Fuzz	Dirtbox Layouts	—	3	—	22
DAM Gravity Isolator Vero15×10 Verified OC82DM DAM Gravity Isolator	DAM Gravity Isolator	Fuzz	Dirtbox Layouts	—	2	—	20
DAM Gravity Isolator Vero Unverified OC82DM DAM Gravity Isolator	DAM Gravity Isolator	Fuzz	Tagboard Effects	—	2	—	18
DAM FZ-781 J Type Fuzz Vero13×8 Verified OC82DM DAM FZ-781 J-Type Fuzz	DAM FZ-781 J-Type Fuzz	Fuzz	Tagboard Effects	—	3	—	22