Parts · Transistors

GT115G

Ge PNP BJT TH.1 circuit uses this part.

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
GT115G	60		30 mA	0.05 W	1 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2G374	60	25 V	100 mA	0.15 W	1 MHz	1
2N526	65	30 V	500 mA	0.225 W	1 MHz	1
MP41A	50	30 V	150 mA	0.15 W	1 MHz	2
GT402B	60	25 V	500 mA	0.6 W	1 MHz	2
2N1382	50	25 V	200 mA	0.25 W	1 MHz	1
ACY41	50	18 V	500 mA	0.26 W	1 MHz	5
2G381	75	20 V	500 mA	0.25 W	1 MHz	5
MP16B	45	15 V	20 mA	0.2 W	1 MHz	1

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
AC169	60	2 V	30 mA	0.06 W
OC612	60	15 V	100 mA	0.05 W	2 MHz
ACY13	50	16 V	50 mA	0.05 W
2N2431	60	32 V	500 mA	0.165 W	1 MHz
OC362	50	7 V	30 mA	0.045 W
OC363	50	7 V	30 mA	0.045 W
OC364	50	7 V	30 mA	0.045 W
AC171	65	15 V	200 mA	0.13 W	1 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Sungrazer GT115D · GT115G · LT1054 · LT1054CP Monolith Oracle Fuzz	Monolith Oracle Fuzz	Fuzz	Naegele Audio	—	4	—	27