Parts · Transistors

MP41A

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
MP41A	50	30 V	150 mA	0.15 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
OC76	30	32 V	125 mA	0.125 W	0.1 MHz	1

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
AC551	50	32 V	200 mA	0.22 W	1 MHz
AC555	50	32 V	500 mA	0.22 W	1 MHz
AC173	50	24 V	300 mA	0.2 W	1 MHz
AC526	55	30 V	500 mA	0.15 W	1 MHz
ACY52	50	24 V	200 mA	0.22 W	1 MHz
ACY17	50	32 V	500 mA	0.26 W	1 MHz
2N1382	50	25 V	200 mA	0.25 W	1 MHz
2N201	50	32 V	100 mA	0.1 W	1.2 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Slava Ukraine GT310B · KP103G · KP103L · KT315A	Ltava	Tremolo	PCB Guitar Mania	1590DD	8	€1.00 out	127