Parts · Transistors

2N4249

Si PNP BJT.2 circuits use 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
2N4249	100	60 V	100 mA	0.2 W	100 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
MPS8598	100	60 V	200 mA	0.35 W	150 MHz	1
2N2907A	100	60 V	600 mA	0.4 W	200 MHz	36
2N2905A	100	60 V	600 mA	0.6 W	200 MHz	1
2SA733Q	135	50 V	150 mA	0.25 W	100 MHz	1
2SA1015Y	120	50 V	150 mA	0.4 W	80 MHz	4
BC560	110	45 V	100 mA	0.5 W	150 MHz	8
BC307	75	45 V	100 mA	0.3 W	100 MHz	1
2SA1048	70	50 V	150 mA	0.2 W	80 MHz	6

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BFV86C	100	60 V	600 mA	0.3 W
2SA1481	100	50 V	150 mA	0.25 W	100 MHz
BCX17L	100	45 V	500 mA	0.225 W
BCX17LT1G	100	45 V	500 mA	0.225 W
BFR74	100	60 V	200 mA	0.12 W
2N3798	100	60 V	50 mA	0.36 W	100 MHz
BC326	100	60 V	50 mA	0.36 W	100 MHz
BC806-16	100	80 V	500 mA	0.2 W	80 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Jordan Bosstone 2N4249 · MPS6513 Jordan Bosstone	Jordan Bosstone	Fuzz	Experimentalists Anonymous	—	2	—	15
	Jordan Bosstone Tagboard Verified 2N4249 · MPS6513 Jordan Bosstone	Jordan Bosstone	Fuzz	Tagboard Effects	—	2	—	10