Parts · Transistors

2N708

Si NPN BJT.2 circuits use this part.

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
2N708	30	15 V	200 mA	0.36 W	300 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
ME9002	30	12 V		0.25 W	400 MHz	1
BF244	30	30 V	100 mA	0.3 W	170 MHz	3
2N2369	40	15 V	200 mA	0.36 W	500 MHz	6
2N5845	25	40 V	1000 mA	0.625 W	300 MHz	1
2N5129	35	12 V	500 mA	0.2 W	150 MHz	2
2N3904	40	40 V	200 mA	0.31 W	300 MHz	870
2N706A	20	15 V	200 mA	0.36 W	200 MHz	2
BC170	35	20 V	100 mA	0.3 W	60 MHz	2

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N2318	30	15 V	100 mA	0.36 W	300 MHz
2N3210	30	15 V	500 mA	0.36 W	300 MHz
2N914	30	15 V	200 mA	0.36 W	300 MHz
BSJ67	30	15 V	500 mA	0.36 W	300 MHz
BSJ68	30	15 V	500 mA	0.36 W	300 MHz
BSX87	30	15 V	500 mA	0.36 W	300 MHz
BSXP87	30	15 V	500 mA	0.36 W	300 MHz
BSYP63	30	15 V	200 mA	0.36 W

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	J Rockett Hightop Boost Vero18×16 Verified 2N708 · BS170 J Rockett Hightop Boost	J Rockett Hightop Boost	Boost	Dirtbox Layouts	—	3	—	33
	PopTop Boost 2N708 · BS170 J Rockett Hightop Boost · 125B	J Rockett Hightop Boost	Fuzz	PedalPCB	125B	6	$12.00	46