Parts · Transistors

2N404

1 circuit uses this part.

Substitutes Ge 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
2N404	40		100 mA	0.15 W	6 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
MP41A	50	30 V	150 mA	0.15 W	1 MHz	1
NKT213	50	18 V	250 mA	0.2 W	0.5 MHz	1
AC128	45	16 V	1000 mA	1 W	1 MHz	9
NKT275	30	15 V	250 mA	0.2 W	0.5 MHz	3
GT402D	30	25 V	500 mA	0.6 W	1 MHz	1
NTE102	90	16 V	150 mA	0.15 W	2 MHz	1
2G381	75	20 V	500 mA	0.25 W	1 MHz	1
OC79	50	13 V	300 mA	0.55 W	0.2 MHz	1

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
SFT288	40	12 V	500 mA	0.15 W	6 MHz
2N1313	40	15 V	400 mA	0.18 W	6 MHz
2N1731	40	20 V	300 mA	0.15 W	5 MHz
2N1892	40	15 V	300 mA	0.15 W	5 MHz
2N1357	40	15 V	200 mA	0.2 W	6 MHz
AC114	40	16 V	80 mA	0.11 W
2N1280	40	16 V	400 mA	0.2 W	5 MHz
2N1356	40	20 V	200 mA	0.2 W	5 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Harmonic Percolator 2N3565 · 2N404	Interfax Harmonic Percolator	Distortion	Fuzz Dog	1590B	2	£48.00	18