Parts · Transistors

2N404A

8 circuits use this part. Listed as: Germanium transistor, PNP; Semiconductors; TO-92 Inline Wide-large-solderpads; Transistor, PNP germanium.

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
2N404A	35		150 mA	0.15 W	4 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
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
NKT213	50	18 V	250 mA	0.2 W	0.5 MHz	1
AC128	45	16 V	1000 mA	1 W	1 MHz	9
OC76	30	32 V	125 mA	0.125 W	0.1 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

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N1115	35	15 V	125 mA	0.15 W	4 MHz
SFT227	35	24 V	250 mA	0.15 W	4 MHz
2N586	35	25 V	250 mA	0.25 W
SFT298	35	20 V	500 mA	0.15 W	6 MHz
2N1447	35	25 V	400 mA	0.2 W	3 MHz
2N1305	40	20 V	300 mA	0.15 W	4 MHz
2N396A	30	20 V	200 mA	0.15 W	4 MHz
2N450	30	12 V	125 mA	0.15 W	4 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Particle Vintage Fuzz 2N3904 · 2N404A	Interfax Harmonic Percolator	Fuzz	Aion FX	125B	3	$12.50	32
Skywave Germanium Drive 2N404A · 2N5088 · LT1054CP	Hudson Broadcast	Fuzz	Aion FX	125B	3	$12.50	53
Percolate Me 2N3565 · 2N404A	InterFax HP-1 Harmonic Percolator	Fuzz	Five Cats Pedals	1590B	2	£4.00	19
PepperSpray 2N3565 · 2N404A	Interfax Harmonic Percolator	Fuzz	Madbean	1590B	2	$10.00	22
PepperSpray 2N3965 · 2N404A	Interfax Harmonic Percolator	Other	Madbean	1590A	2	—	22
Faxe 2N3565 · 2N404A	Interfax Harmonic Percolator	Fuzz	Moonn Electronics	—	2	€4.50	21
Germanium Percolator 2N3965 · 2N404A	Harmonic Percolator	Fuzz	PCB Guitar Mania	1590B	1	€7.50 out	22
Germanium Percolator Deluxe 2N3965 · 2N404A	Harmonic Percolator	Fuzz	PCB Guitar Mania	125B	4	€9.90 out	31