Parts · Transistors

2N3965

Si PNP BJT.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
2SA798	250	50 V	100 mA	0.4 W	50 MHz	1
BC307B	240	45 V	100 mA	0.3 W	130 MHz	6
BC560B	240	45 V	100 mA	0.5 W	150 MHz	4
BC557B	200	45 V	100 mA	0.5 W	75 MHz	6
2SA733K	300	50 V	150 mA	0.25 W	100 MHz	1
2SA1048GR	200	50 V	150 mA	0.2 W	80 MHz	2
2SA970	200	120 V	100 mA	0.3 W	100 MHz	5
2SA1335	200	120 V	100 mA	0.2 W	100 MHz	4

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
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
2N4019	250	45 V	200 mA	0.6 W	50 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
PepperSpray 2N3965 · 2N404A Interfax Harmonic Percolator · 1590A	Interfax Harmonic Percolator	Other	Madbean	1590A	2	—	20
Germanium Percolator 2N3965 · 2N404A Interfax Harmonic Percolator · 1590B	Interfax Harmonic Percolator	Fuzz	PCB Guitar Mania	1590B	1	€7.50 out	20
Germanium Percolator Deluxe 2N3965 · 2N404A Interfax Harmonic Percolator · 125B	Interfax Harmonic Percolator	Fuzz	PCB Guitar Mania	125B	5	€9.90 out	31