Parts · Transistors

2G381

1 circuit uses this part. Listed as: PNP Germanium.

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
2G381	75	20 V	500 mA	0.25 W	1 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
GT402B	60	25 V	500 mA	0.6 W	1 MHz	1
NKT213	50	18 V	250 mA	0.2 W	0.5 MHz	1
AC128	45	16 V	1000 mA	1 W	1 MHz	9
NKT275	30	15 V	250 mA	0.2 W	0.5 MHz	3

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
AC554	75	24 V	300 mA	0.22 W	1 MHz
SFT253	80	20 V		0.225 W	1 MHz
SFT125	70	20 V	500 mA	0.35 W	1 MHz
ACY19	80	30 V	500 mA	0.26 W	1 MHz
SFT242	70	30 V	550 mA	0.225 W	1 MHz
SFT323	85	18 V	250 mA	0.2 W	1 MHz
ACY21	90	20 V	500 mA	0.26 W	1 MHz
AC527	70	30 V	500 mA	0.15 W	1 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Tone Vendor MKI 2G381 · OC75 · TC1044SCPA	Sola Sound Tone Bender MKI	Fuzz	PedalPCB	125B	2	$8.00	23