Parts · Transistors

2N3707

Si NPN BJT TO-92 TH.4 circuits use this part. Listed as: BJT transistor, NPN TO-92.

Substitutes Si 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
2N3707	100	30 V	30 mA	0.36 W	100 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2N2924	100	25 V	100 mA	0.36 W	100 MHz	3
2N2923	100	25 V	100 mA	0.36 W	100 MHz	3
2N6076	100	25 V	100 mA	0.36 W	100 MHz	1
2N2925	100	25 V	100 mA	0.36 W	100 MHz	1
BC318	110	30 V	150 mA	0.31 W	100 MHz	1
2N2926	100	25 V	100 mA	0.2 W	100 MHz	3
ZTX384	100	30 V	100 mA	0.45 W	150 MHz	1
TIS92	100	40 V	400 mA	0.625 W		4

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BC223	100	30 V	400 mA	0.36 W	100 MHz
BC223A	100	30 V	400 mA	0.36 W	100 MHz
2N3859	100	30 V	100 mA	0.36 W	90 MHz
2SC1204	100	30 V	100 mA	0.31 W	100 MHz
2N2921	100	25 V	100 mA	0.36 W	100 MHz
2N2922	100	25 V	100 mA	0.36 W	100 MHz
BSW88A	100	30 V	100 mA	0.3 W
BSW89A	100	30 V	100 mA	0.3 W

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Moog 901B 2N2646 · 2N3702 · 2N3707	—	Ring Mod / Synth	Experimentalists Anonymous	—	1	—	76
Roger Mayer Noisegate 2N3704 · 2N3707 · 2N3820 · 2N4058	—	Noise Gate	Experimentalists Anonymous	—	3	—	54
Deep End Fuzz 2N3707 Prescription Electronics Depth Charge · 125B	Prescription Electronics Depth Charge	Fuzz	PedalPCB	125B	4	$12.00	61
VOX Grey Wah-Wah Perfboard 2N3707 Vox Grey Wah-Wah	Vox Grey Wah-Wah	Wah / Envelope	turretboard.org	—	1	—	12