Parts · Transistors

2N2924

1 circuit uses this part.

Substitutes Si NPN 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
2N2924	100	25 V	100 mA	0.36 W	100 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2N6076	100	25 V	100 mA	0.36 W	100 MHz	1
BC337	100	45 V	800 mA	0.36 W	60 MHz	1
2N3569	100	40 V	500 mA	0.3 W	60 MHz	1
MPSA05G	100	60 V	500 mA	0.63 W	100 MHz	2
BC338	100	20 V	800 mA	0.625 W	60 MHz	4
2N3700	100	80 V	1000 mA	0.5 W	100 MHz	3
2N5172	100	25 V	100 mA	0.2 W	200 MHz	4
ZTX649	100	25 V	2000 mA	1 W	150 MHz	1

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N2921	100	25 V	100 mA	0.36 W	100 MHz
2N2922	100	25 V	100 mA	0.36 W	100 MHz
2N2923	100	25 V	100 mA	0.36 W	100 MHz
2N2925	100	25 V	100 mA	0.36 W	100 MHz
2N4315	100	25 V	50 mA	0.4 W	100 MHz
2N5419	100	25 V	500 mA	0.4 W	100 MHz
BCX20R	100	25 V	500 mA	0.31 W	100 MHz
BSX75	100	25 V	800 mA	0.43 W	100 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Vox Treble Boost 2N2924	Vox Treble Boost	Boost	Fuzz Dog	1590A	1	£18.00	10