Parts · Transistors

NKT275

3 circuits use this part. Listed as: Germanium Transistor, PNP.

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
NKT275	30	15 V	250 mA	0.2 W	0.5 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
GT402D	30	25 V	500 mA	0.6 W	1 MHz	1
NKT213	50	18 V	250 mA	0.2 W	0.5 MHz	1
OC76	30	32 V	125 mA	0.125 W	0.1 MHz	1
MP41A	50	30 V	150 mA	0.15 W	1 MHz	1
AC128	45	16 V	1000 mA	1 W	1 MHz	9
OC79	50	13 V	300 mA	0.55 W	0.2 MHz	1
2G381	75	20 V	500 mA	0.25 W	1 MHz	1
NTE102	90	16 V	150 mA	0.15 W	2 MHz	1

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N1956	30	16 V	200 mA	0.2 W
2N1957	30	14 V	200 mA	0.2 W
2N2173	30	15 V	750 mA	0.24 W
NKT214	30	18 V	250 mA	0.2 W	0.5 MHz
2N1954	30	20 V	200 mA	0.2 W
NKT205	30	18 V	125 mA	0.18 W	0.5 MHz
NKT242	30	15 V	1000 mA	0.3 W	0.5 MHz
2N573	30	25 V	250 mA	0.2 W

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Analog Sun NKT275 · TC1044SCPA	Analogman Sunface	Fuzz	PCB Guitar Mania	125B	3	€9.90 out	18
Soul Vendor NKT275 · TC1044SCPA	Fulltone Soul Bender	Fuzz	PedalPCB	125B	3	$8.00	29
Sunflower Fuzz NKT275 · TC1044SCPA	Analogman Sunface	Fuzz	PedalPCB	125B	5	$8.00	19