Parts · Transistors

2N497

Si NPN BJT.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
2N497	12	60 V	600 mA	4 W	30 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BD1396STU	40	80 V	1500 mA	12.5 W		1
BD13910STU	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
2N5008	70	80 V	10000 mA	100 W	40 MHz	3
2SD880	60	60 V	3000 mA	30 W	3 MHz	1
2SD234	40	50 V	3000 mA	25 W	0.5 MHz	3

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N498	12	100 V	600 mA	4 W	30 MHz
2N3418S	10	60 V	3000 mA	5 W
2N3420S	15	60 V	3000 mA	5 W	40 MHz
2SC117	10	50 V	600 mA	2 W	30 MHz
2SC118	10	50 V	600 mA	2 W	35 MHz
2SC119	10	50 V	600 mA	2 W	35 MHz
2N3421S	15	80 V	3000 mA	5 W	40 MHz
2N2658	15	70 V	5000 mA	7 W	20 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	EarthQuaker Devices Erupter Perfboard Verified 2N497 · PF5102 EarthQuaker Devices Erupter · 1590B	EarthQuaker Devices Erupter	Fuzz	Effects Layouts (blog)	1590B	1	—	20