Parts · Transistors

2N3700

Si NPN BJT.4 circuits use this part.

Datasheet · from centralsemi.com

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
2N3700	100	80 V	1000 mA	0.5 W	100 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
MPSA06G	100	80 V	500 mA	0.63 W	100 MHz	1
MPSA05G	100	60 V	500 mA	0.63 W	100 MHz	6
2SD1616A	135	60 V	1000 mA	0.75 W	100 MHz	1
2N5551	80	160 V	600 mA	0.31 W	100 MHz	6
2SD667	60	80 V	1000 mA	0.9 W	70 MHz	1
MPSA06	50	80 V	500 mA	0.625 W	100 MHz	6
MPSA05	50	60 V	500 mA	0.33 W	100 MHz	6
MPS-U05	60	60 V	2000 mA	10 W	170 MHz	1

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2SC6132	100	80 V	1000 mA	0.5 W
BCPR43	100	80 V	1000 mA	0.5 W	100 MHz
BCX56-16U	100	80 V	1000 mA	0.5 W	100 MHz
BCX56SQ-16	100	80 V	1000 mA	0.5 W	100 MHz
2N2436	100	80 V	500 mA	0.5 W	90 MHz
BC56-16PA	100	80 V	1000 mA	0.42 W	100 MHz
BC56-16PAS	100	80 V	1000 mA	0.42 W	100 MHz
BCP56-16T	100	80 V	1000 mA	0.6 W	100 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Eva 2N2222A · 2N3700 · 2N5088 · AC128 Spaceman Effects Gemini IV · 1590BBS	Spaceman Effects Gemini IV	Fuzz	Dead End FX	1590BBS	6	$15.00	76
Fuzzimile 2N2222 · 2N2222A · 2N3700 · 2N5088 Spaceman Effects Gemini III · 1590BBS	Spaceman Effects Gemini III	Fuzz	Dead End FX	1590BBS	3	$15.00	66
Moonstone 2N3700 · 2N3904 · 2N5088 · BC547B Wyllie Moonrock · 1590BBS	Wyllie Moonrock	Fuzz	Dead End FX	1590BBS	5	$15.00	68
Spaceman Effects Gemini III Vero23×25 Verified 2N2222A · 2N3700 · 2N5088 · AC128 Spaceman Effects Gemini III	Spaceman Effects Gemini III	Fuzz	Dirtbox Layouts	—	3	—	47