Parts · Transistors

MPS6515

Si NPN BJT TO-92 TH.3 circuits use this part.

Datasheet · from onsemi.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
MPS6515	250	25 V	100 mA	0.31 W	200 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2SC1335	250	30 V	100 mA	0.2 W	230 MHz	2
BC184	240	30 V	200 mA	0.3 W	150 MHz	15
BC183B	240	30 V	200 mA	0.3 W	150 MHz	3
BC184B	240	30 V	200 mA	0.3 W	150 MHz	1
BC208B	240	20 V	100 mA	0.3 W	150 MHz	1
2SC539	250	25 V	50 mA	0.3 W	100 MHz	3
BC209	240	45 V	100 mA	0.3 W	150 MHz	1
BC550	240	45 V	100 mA	0.5 W	200 MHz	53

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BCW51A	250	30 V	200 mA	0.3 W	200 MHz
BSW88B	250	30 V	100 mA	0.3 W
BSW89B	250	30 V	100 mA	0.3 W
BSX81B	250	30 V	100 mA	0.3 W	200 MHz
BSX38B	250	30 V	100 mA	0.345 W	200 MHz
2N6002	250	25 V	500 mA	0.4 W	165 MHz
MPS8097	250	40 V	200 mA	0.35 W	200 MHz
BC290C	250	40 V	100 mA	0.36 W

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
ETI Octave Fuzz 4558 · MPS6515	—	Fuzz	Experimentalists Anonymous	—	—	—	19
Guitar Effects Unit Octave Fuzz 4558 · MPS6515	—	Fuzz	Experimentalists Anonymous	—	—	—	19
ETI Fuzz Struzz (a.k.a. Guitar Effects Unit) Vero18×12 Verified 4558 · JRC4558 · MPS6515 ETI Fuzz Struzz (a.k.a. Guitar Effects Unit)	ETI Fuzz Struzz (a.k.a. Guitar Effects Unit)	Fuzz	Tagboard Effects	—	2	—	19