Parts · Transistors

MPSA64

Si PNP Darlington BJT TO-92 TH.1 circuit uses this part. Listed as: Darlington transistor, TO-92.

Substitutes Si PNP 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
MPSA64	20	30 V	500 mA	0.33 W	125 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2N2905	20	40 V	600 mA	0.6 W	200 MHz	2
2N3638	30	25 V	500 mA	0.3 W	100 MHz	3
2N2907	35	40 V	600 mA	0.4 W	200 MHz	38
2SA733	40	40 V	300 mA	0.25 W	90 MHz	6
PN200	40	35 V	500 mA	0.625 W	150 MHz	1
MPSA92	25	300 V	500 mA	0.625 W	50 MHz	2
2N4402	50	40 V	600 mA	0.31 W	150 MHz	4
2N2904A	40	60 V	600 mA	0.6 W	200 MHz	1

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
MPSA63	20	30 V	500 mA	0.33 W	125 MHz
2N5146	20	40 V	1500 mA	0.6 W	125 MHz
BFT20	20	35 V	1000 mA	0.36 W	60 MHz
2N3765	20	60 V	1500 mA	0.5 W	150 MHz
BC397	20	50 V	1000 mA	0.8 W
2N5821	20	60 V	750 mA	0.5 W	100 MHz
2N3039	20	35 V	500 mA	0.36 W	50 MHz
2N2393	20	35 V	300 mA	0.45 W	50 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Odyssey PCB 2N5088 · MPSA14 · MPSA64 · PGM5526 LDR 1590N1	—	Phaser	Mod Electronics	1590N1	2	$4.95	44