Parts · Transistors

A02650

Ge PNP BJT TH.7 circuits use this part. Listed as: BJT transistor, PNP Germanium; Trans-Can-WIDE.

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
OC71	30	20 V	10 mA	0.125 W	0.3 MHz

The database does not list this number. The parameters and matches are those of the OC71, its closest listed equivalent.

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
OC82D	30	16 V	10 mA	0.15 W	0.2 MHz	1
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
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
NKT213	50	18 V	250 mA	0.2 W	0.5 MHz	12

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N198	30	25 V	30 mA	0.1 W	0.3 MHz
AC540	30	15 V	50 mA	0.15 W
2N1954	30	20 V	200 mA	0.2 W
2N1956	30	16 V	200 mA	0.2 W
2N573	30	25 V	250 mA	0.2 W
OC820	30	20 V	150 mA	0.15 W	0.2 MHz
OC72	30	16 V	125 mA	0.165 W	0.25 MHz
OC73N	30	16 V	10 mA	0.125 W	0.2 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Hornby Skewes Zonk Machine Mk I Vero16×10 Verified A02650 · OC44 · OC75 Hornby Skewes Zonk Machine Mk I	Hornby Skewes Zonk Machine Mk I	Fuzz	Dirtbox Layouts	—	2	—	19
Zonky A02650 · OC44 · OC75 · TC1044 Hornby Skewes Zonk Machine Mk I · 1590B	Hornby Skewes Zonk Machine Mk I	Fuzz	Five Cats Pedals	1590B	2	£4.50	25
Zonkbox A02650 · OC44 · OC75 · TC1044 DAM Zonk Machine · 125B	DAM Zonk Machine	Fuzz	PedalPCB	125B	2	$8.00	25
Hornby Skewes Zonk Machine A02650 · OC44 · OC75 Hornby Skewes Zonk Machine	Hornby Skewes Zonk Machine	Fuzz	Revolution Deux	—	2	—	22
Hornby Skewes Zonk Machine (Jonaz version) Vero A02650 · OC44 · OC75 Hornby Skewes Zonk Machine	Hornby Skewes Zonk Machine	Fuzz	Revolution Deux	—	2	—	19
Hornby Skewes Zonk Machine (alternate version) A02650 · OC71 Hornby Skewes Zonk Machine	Hornby Skewes Zonk Machine	Fuzz	Revolution Deux	—	2	—	19
Hornby Skewes Zonk Machine I Vero18×9 Verified A02650 · OC44 · OC75 Hornby Skewes Zonk Machine Mk I	Hornby Skewes Zonk Machine Mk I	Fuzz	Tagboard Effects	—	2	—	19