Parts · Transistors

106NU70

Ge NPN BJT TH.1 circuit uses this part.

Substitutes Ge NPN 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
106NU70	30		10 mA	0.125 W	0.8 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
MP14B	30	30 V	20 mA	0.15 W	1 MHz	1
MP37B	25	30 V	20 mA	0.15 W	1 MHz	2
MP10B	25	30 V	20 mA	0.15 W	1 MHz	2
MP38	25	15 V	20 mA	0.15 W	2 MHz	3
2SD77	40	25 V	100 mA	0.15 W	2 MHz	1
MP38A	45	15 V	20 mA	0.15 W	2 MHz	10
2N1101	25	15 V	100 mA	0.18 W	0.1 MHz	2
AC130	50	15 V	100 mA	0.145 W	2 MHz	2

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
AC340	30	24 V	50 mA	0.125 W	1 MHz
AC157	30	20 V	80 mA	0.2 W	0.7 MHz
2N385	30	25 V	200 mA	0.15 W	2 MHz
2SC128	30	25 V	200 mA	0.15 W	3 MHz
AC350	40	32 V	125 mA	0.125 W	1 MHz
2N35A	35	25 V	100 mA	0.15 W	0.4 MHz
2N1622	40	60 V	100 mA	0.12 W	0.5 MHz
NKT717	40	30 V	150 mA	0.15 W	0.5 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Muffin Factory 106NU70 · 2N5088 · MPSA18 1590BB	—	Distortion	PedalPCB	1590BB	4	$15.00	82