Parts · Transistors

BD13910STU

Si NPN BJT TO-126 TH.1 circuit uses 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
BD13910STU	40	80 V	1500 mA	12.5 W

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BD1396STU	40	80 V	1500 mA	12.5 W		1
BD139	40	80 V	1000 mA	12 W	50 MHz	3
MPS-U05	60	60 V	2000 mA	10 W	170 MHz	1
2SD880	60	60 V	3000 mA	30 W	3 MHz	1
2N5008	70	80 V	10000 mA	100 W	40 MHz	3

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N4309	40	80 V	5000 mA	11 W	80 MHz
2N5552	40	80 V	10000 mA	15 W	30 MHz
2N6416	40	80 V	3000 mA	15 W	40 MHz
2N2697	40	80 V	5000 mA	10 W	20 MHz
2N2698	40	80 V	5000 mA	10 W	20 MHz
2SC1860	40	100 V	2000 mA	12 W
2SC2078C	40	75 V	3000 mA	10 W	100 MHz
2N5488	40	100 V	5000 mA	15 W	40 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	BUDDERFACE Silicon Fuzz BD13910STU · BD1396STU	—	Fuzz	Lectric-FX	—	3	$7.00	17