Parts · Transistors

NTE102

Ge PNP BJT TH.3 circuits use this part. Listed as: Germanium transistor, PNP, TO-5.

Datasheet · archived copy from NTE; the part is discontinued and the maker no longer publishes it

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
NTE102	90	16 V	150 mA	0.15 W	2 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
OC46	80	20 V	125 mA	0.083 W	2 MHz	1
SFT337	100	15 V	100 mA	0.15 W	1 MHz	3
2N527	80	30 V	500 mA	0.225 W	2 MHz	2
2N508	120	16 V	200 mA	0.2 W	2 MHz	2
ASY33	90	30 V	300 mA	0.15 W	0.5 MHz	1
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

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N609	90	15 V	200 mA	0.18 W	1.8 MHz
2N324	85	18 V	200 mA	0.225 W	2 MHz
2N1404	80	20 V	300 mA	0.15 W	2 MHz
2N185	80	20 V	150 mA	0.15 W	2 MHz
2N416	90	12 V	200 mA	0.2 W	4 MHz
2N826	100	20 V	200 mA	0.075 W	2 MHz
NKT103	100	20 V	500 mA	0.075 W	2 MHz
2N1190	100	30 V	500 mA	0.2 W	2 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Polaris Distortion / Sustainer 2N5088 · NTE102 · NTE103 Human Gear Animato · 125B	Human Gear Animato	Fuzz	Aion FX	125B	5	$12.50	73
Human Gear Animato Perfboard Verified 2SC2240 · NTE102 · NTE103 Human Gear Animato · 1590B	Human Gear Animato	Distortion	Effects Layouts (blog)	1590B	3	—	40
Human Gear Animato Vero21×22 Verified 2SC2240 · NTE102 · NTE103 Human Gear Animato	Human Gear Animato	Distortion	Tagboard Effects	—	3	—	33