Parts · Transistors

MPSA05

2 circuits use this part. Listed as: BJT transistor, NPN TO-92.

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
MPSA05	50	60 V	500 mA	0.33 W	100 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
MPSA06	50	80 V	500 mA	0.625 W	100 MHz	2
BC639	40	80 V	1000 mA	1 W	50 MHz	1
2N5551	80	160 V	600 mA	0.31 W	100 MHz	1
MPSA05G	100	60 V	500 mA	0.63 W	100 MHz	2
2N3700	100	80 V	1000 mA	0.5 W	100 MHz	3
BC337	100	45 V	800 mA	0.36 W	60 MHz	1
2N1711	100	50 V	600 mA	0.8 W	70 MHz	5
2N2219A	100	50 V	800 mA	0.8 W	300 MHz	2

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BFT29	50	80 V	1000 mA	0.36 W	100 MHz
BFT29X	50	80 V	1000 mA	0.36 W	100 MHz
BFW58	50	60 V	1000 mA	0.3 W	80 MHz
BCX45	50	60 V	1000 mA	0.625 W	100 MHz
BCX47	50	60 V	1000 mA	0.625 W	100 MHz
KSP05	50	60 V	500 mA	0.625 W	100 MHz
BSX33CSM	50	55 V	1000 mA	0.5 W	90 MHz
BSX33DCSM	50	55 V	1000 mA	0.5 W	90 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Mega Armageddon Death LM386 · MPSA05	Absolute Destruction	Fuzz	Fuzz Dog	1590B	1	£30.00	25
	Deaf Boyardee Fuzz MPSA05	Death By Audio Evil Fuzz	Fuzz	PedalPCB	125B	2	$12.00	36