Parts · Transistors

CV7351

Ge NPN BJT TH.8 circuits use this part. Listed as: Germanium BJT transistor, NPN.

Substitutes Ge NPN 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
2N1308	80	15 V	300 mA	0.15 W	12 MHz

The database does not list this number. The parameters and matches are those of the 2N1308, its closest listed equivalent.

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2N1306	60	15 V	300 mA	0.15 W	8 MHz	13
2N388	60	20 V	200 mA	0.15 W	7 MHz	2
NTE103	90	16 V	250 mA	0.15 W	2 MHz	5
2SD352	100	30 V	1000 mA	0.6 W		2
AC187	100	15 V	2000 mA	0.225 W	1 MHz	7
2N1304	40	20 V	300 mA	0.15 W	4 MHz	4
AC176	52	20 V	1000 mA	0.22 W	1 MHz	20
AC127	50	12 V	500 mA	0.34 W	1.5 MHz	15

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
NKT738	80	15 V	300 mA	0.15 W	12 MHz
2SC71	100	15 V	200 mA	0.15 W
2SC72	100	12 V	200 mA	0.15 W
NKT736	60	15 V	300 mA	0.15 W	8 MHz
2N1685	60	12 V	200 mA	0.1 W	8 MHz
2N1808	60	25 V	300 mA	0.15 W	6 MHz
2N312	50	15 V	200 mA	0.1 W
2N1624	60	20 V	300 mA	0.15 W	5 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Castledine Electronics The Wizard Vero20×16 Verified CV7351 · J201 Castledine The Wizard	Castledine The Wizard	Distortion	Dirtbox Layouts	—	3	—	25
Thorpy Fx Have Blue Ge Boost Vero16×13 Unverified CV7351 ThorpyFX Have Blue Germanium Boost	ThorpyFX Have Blue Germanium Boost	Boost	Dirtbox Layouts	—	2	—	20
Thorpy Fx Tacit Blue Germanium Fuzz Vero16×14 Verified CV7351 ThorpyFX Tacit Blue Fuzz	ThorpyFX Tacit Blue Fuzz	Fuzz	Dirtbox Layouts	—	4	—	25
Wiz CV7351 · J201 / MMBFJ201 Castledine The Wizard · 1590B	Castledine The Wizard	Overdrive	Fuzz Dog	1590B	2	£43.20	41
Granger Boost CV7351 ThorpyFX Have Blue Germanium Boost · 125B	ThorpyFX Have Blue Germanium Boost	Fuzz	PedalPCB	125B	2	$8.00	22
Sorcerer Distortion CV7351 · J201 Castledine The Wizard · 125B	Castledine The Wizard	Fuzz	PedalPCB	125B	3	$8.00 out	45
Tactical Fuzz CV7351 ThorpyFX Tacit Blue Fuzz · 125B	ThorpyFX Tacit Blue Fuzz	Fuzz	PedalPCB	125B	4	$8.00	25
Castledine Electronics The Wizard Vero21×18 Verified CV7351 · J201 Castledine The Wizard	Castledine The Wizard	Distortion	Tagboard Effects	—	3	—	22