Parts · Transistors

2N3965

3 circuits use 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
2N3965	250	60 V	200 mA	0.36 W	50 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BC307B	240	45 V	100 mA	0.3 W	130 MHz	3
BC560B	240	45 V	100 mA	0.5 W	150 MHz	1
BC557B	200	45 V	100 mA	0.5 W	75 MHz	1
2SA1048GR	200	50 V	150 mA	0.2 W	80 MHz	1
BC560C	420	45 V	100 mA	0.5 W	150 MHz	1
2SA1015Y	120	50 V	150 mA	0.4 W	80 MHz	2
BC560	110	45 V	100 mA	0.5 W	150 MHz	1
2N2907A	100	60 V	600 mA	0.4 W	200 MHz	9

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BFW23	250	60 V	100 mA	0.36 W	50 MHz
2N3964	250	45 V	200 mA	0.36 W	50 MHz
BFW22	250	45 V	100 mA	0.36 W	50 MHz
2SA798	250	50 V	100 mA	0.4 W	50 MHz
2N4025	250	60 V	200 mA	0.5 W	50 MHz
2N4021	250	60 V	200 mA	0.6 W	50 MHz
2N4022	250	60 V	200 mA	0.6 W	50 MHz
2N4024	250	60 V	200 mA	0.6 W	50 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
PepperSpray 2N3965 · 2N404A	Interfax Harmonic Percolator	Other	Madbean	1590A	2	—	22
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