Parts · Transistors

2N2924

Si NPN BJT.3 circuits use 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
2N2923	100	25 V	100 mA	0.36 W	100 MHz	3
2N6076	100	25 V	100 mA	0.36 W	100 MHz	1
2N2925	100	25 V	100 mA	0.36 W	100 MHz	1
2N2926	100	25 V	100 mA	0.2 W	100 MHz	3
BC318	110	30 V	150 mA	0.31 W	100 MHz	1
ZTX384	100	30 V	100 mA	0.45 W	150 MHz	1
TIS92	100	40 V	400 mA	0.625 W		4
MPS6513	90	30 V	100 mA	0.31 W	125 MHz	6

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
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
BC223	100	30 V	400 mA	0.36 W	100 MHz
BC223A	100	30 V	400 mA	0.36 W	100 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Vox Treble Booster 2N2924 Vox Treble Booster	Vox Treble Booster	Boost	Experimentalists Anonymous	—	—	—	9
Vox Treble Boost 2N2924 Vox Treble Booster · 1590A	Vox Treble Booster	Boost	Fuzz Dog	1590A	1	£18.00	10
Vox Distortion Booster V8161 Vero12×10 Unverified 2N2924 Vox Distortion Booster V8161	Vox Distortion Booster V8161	Distortion	Tagboard Effects	—	1	—	13