Parts · Transistors

OC83N

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

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
OC83N	40	20 V	1000 mA	0.22 W	1 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
ACY41	50	18 V	500 mA	0.26 W	1 MHz	5
AC128	45	16 V	1000 mA	1 W	1 MHz	35
GT402D	30	25 V	500 mA	0.6 W	1 MHz	2
2N526	65	30 V	500 mA	0.225 W	1 MHz	1
2G381	75	20 V	500 mA	0.25 W	1 MHz	5
2N527	80	30 V	500 mA	0.225 W	2 MHz	2
NTE158	90	32 V	1000 mA	1.6 W	1.5 MHz	1

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
AC556	40	16 V	1000 mA	0.22 W	1 MHz
ACY18	40	30 V	500 mA	0.26 W	1 MHz
ACY44	40	30 V	500 mA	0.26 W	1 MHz
AC131	40	18 V	1000 mA	0.215 W	0.5 MHz
AC166	45	20 V	800 mA	0.2 W	0.8 MHz
AC167	45	20 V	800 mA	0.2 W	0.8 MHz
AC168	45	20 V	800 mA	0.2 W	0.8 MHz
AC139	40	20 V	1200 mA	0.72 W	1 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Carlsbro Fuzz-Tone Turret board OC83N Carlsbro Fuzz-Tone · 1590J	Carlsbro Fuzz-Tone	Fuzz	Amplified Parts	1590J	2	—	14