Parts · Transistors

2N408

Ge PNP BJT TH.5 circuits use this part. Listed as: Q2: germanium PNP transistor.

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
2N408	65	18 V	70 mA	0.15 W	6.7 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2N1307	60	15 V	300 mA	0.15 W	8 MHz	6
2N1309	80	15 V	300 mA	0.15 W	12 MHz	1
MP20A	50	20 V	300 mA	0.15 W	2 MHz	1
2G374	60	25 V	100 mA	0.15 W	1 MHz	1
2N526	65	30 V	500 mA	0.225 W	1 MHz	1
OC46	80	20 V	125 mA	0.083 W	2 MHz	1
NTE102	90	16 V	150 mA	0.15 W	2 MHz	3
2N527	80	30 V	500 mA	0.225 W	2 MHz	2

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N407	65	18 V	70 mA	0.15 W	6.7 MHz
GT2696	70	15 V	50 mA	0.15 W
2N109	65	25 V	150 mA	0.165 W	5 MHz
2SA168A	70	18 V	50 mA	0.175 W	4 MHz
2SA207	70	15 V	200 mA	0.2 W	5 MHz
ACY25	75	30 V	50 mA	0.15 W
GT2694	80	15 V	50 mA	0.15 W
2N2001	60	20 V	1000 mA	0.3 W	6 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Fuzzrite - Germanium Version Turret board2×6 2N2613 · 2N408 Mosrite Fuzzrite	Mosrite Fuzzrite	Fuzz	Amplified Parts	—	—	—	12
Mosrite Fuzzrite Germanium Vero13×9 Verified 2N2613 · 2N408 Mosrite Fuzzrite Germanium	Mosrite Fuzzrite Germanium	Fuzz	Dirtbox Layouts	—	2	—	13
Mosrite Fuzzrite germanium Vero16×11 Verified 2N2613 · 2N408 · 7660S Mosrite Fuzzrite Germanium	Mosrite Fuzzrite Germanium	Fuzz	Tagboard Effects	—	2	—	16
Mosrite Ge Fuzzrite Vero17×9 Verified 2N2613 · 2N408 Mosrite Fuzzrite Germanium	Mosrite Fuzzrite Germanium	Fuzz	Tagboard Effects	—	2	—	12
Mosrite Fuzzrite Vero 2N2613 · 2N408 Mosrite Fuzzrite	Mosrite Fuzzrite	Fuzz	turretboard.org	—	2	—	12