Parts · Transistors

2N4288

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
2N4288	100	25 V	100 mA	0.25 W	40 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BC187	100	25 V	100 mA	0.3 W	50 MHz	1
TIS93	100	40 V	400 mA	0.625 W		4
2SA666	120	25 V	50 mA	0.25 W	70 MHz	3
2SA659	80	50 V	200 mA	0.3 W	45 MHz	1
2N4249	100	60 V	100 mA	0.2 W	100 MHz	2
BC559	125	25 V	200 mA	0.3 W	75 MHz	4
2N4403	100	40 V	600 mA	0.31 W	200 MHz	11
BC309	125	20 V	100 mA	0.3 W	100 MHz	3

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BSV96	100	30 V	800 mA	0.22 W	40 MHz
BCX18LT1	100	25 V	1000 mA	0.3 W	50 MHz
BC334	100	25 V	50 mA	0.31 W	50 MHz
BC336	100	25 V	50 mA	0.31 W	50 MHz
BC808	100	25 V	500 mA	0.31 W	50 MHz
BCX18	100	25 V	1000 mA	0.31 W	50 MHz
2N4289	100	45 V	50 mA	0.25 W	40 MHz
BCX17L	100	45 V	500 mA	0.225 W

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	EMS VCS3 Envelope Generator 2N4288 · 2N5163 · 2N5172 · 2N5461	—	Wah / Envelope	Experimentalists Anonymous	—	—	—	66
	EMS VCS3 Osillator 2N4288 · 2N5172 · ? · ME9002	—	Ring Mod / Synth	Experimentalists Anonymous	—	4	—	74