Parts · Transistors

2N2905A

Si PNP BJT TO-39 TH.1 circuit uses this part.

Substitutes Si 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
2N2905A	100	60 V	600 mA	0.6 W	200 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2N2907A	100	60 V	600 mA	0.4 W	200 MHz	36
BC327	63	45 V	800 mA	0.5 W	60 MHz	3
2N2904A	40	60 V	600 mA	0.6 W	200 MHz	1
2N5401	60	150 V	600 mA	0.31 W	100 MHz	2
MPS-U55	50	60 V	2000 mA	8 W	100 MHz	1
BD140	40	80 V	1000 mA	12 W	50 MHz	1
MPSA92	25	300 V	500 mA	0.625 W	50 MHz	2

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N5796	100	60 V	600 mA	0.6 W	200 MHz
BC294	100	60 V	600 mA	0.8 W
2N3486A	100	60 V	600 mA	0.4 W	200 MHz
2N6015	100	60 V	800 mA	0.5 W	240 MHz
KSP8598	100	60 V	500 mA	0.625 W	150 MHz
2SA1736	100	60 V	3000 mA	1 W
BCW93	100	60 V	800 mA	0.61 W	135 MHz
BCW93A	100	60 V	800 mA	0.61 W	135 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	BJFe Folk Fuzz 3,5% Vero13×13 Unverified 2N2219A · 2N2905A BJFE Folk Fuzz 3.5%	BJFE Folk Fuzz 3.5%	Fuzz	Dirtbox Layouts	—	3	—	17