Parts · Transistors

2N4209

Si PNP BJT.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
2N4209	50	15 V	50 mA	0.3 W	850 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2N4125	50	30 V	200 mA	0.31 W	200 MHz	18
2N3905	50	40 V	200 mA	0.31 W	200 MHz	6
BC212L	50	50 V	200 mA	0.3 W	200 MHz	1
2N4402	50	40 V	600 mA	0.31 W	150 MHz	4
2N5139	40	20 V	100 mA	0.2 W	300 MHz	2
BC186	40	25 V	100 mA	0.3 W	200 MHz	2
2N4121	70	40 V	100 mA	0.2 W	450 MHz	1
2N4061	90	30 V	30 mA	0.36 W		7

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BFF576	50	15 V	50 mA	0.36 W	800 MHz
2N5771	50	15 V	50 mA	0.31 W	700 MHz
2N4872	50	12 V	50 mA	0.3 W	800 MHz
2SA1765	50	15 V	200 mA	0.3 W	450 MHz
BC291	50	40 V	100 mA	0.36 W
2SA1864	50	15 V	100 mA	0.15 W	600 MHz
2SA1865	50	15 V	100 mA	0.15 W	600 MHz
BSV55	40	15 V	200 mA	0.3 W

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	PedalPCB / Chuck D. Bones Pushover Drive V1 Vero21×20 Unverified 2N2907A · 2N4209 · BS170 · TL072 PedalPCB Chuck D. Bones Pushover Drive V1	PedalPCB Chuck D. Bones Pushover Drive V1	Overdrive	Dirtbox Layouts	—	4	—	44