Parts · Transistors

106NU70

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
MP37B	25	30 V	20 mA	0.15 W	1 MHz	1
MP10B	25	30 V	20 mA	0.15 W	1 MHz	1
MP38A	45	15 V	20 mA	0.15 W	2 MHz	4
NTE103	90	16 V	250 mA	0.15 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	—	Distortion	PedalPCB	1590BB	4	$15.00	82