Parts · Transistors

2SA733Q

Si PNP BJT TO-92 TH.1 circuit uses this part.

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
2SA733Q	135	50 V	150 mA	0.25 W	100 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2SA1015Y	120	50 V	150 mA	0.4 W	80 MHz	4
BC557A	125	45 V	100 mA	0.5 W	75 MHz	2
2N4249	100	60 V	100 mA	0.2 W	100 MHz	2
BC560	110	45 V	100 mA	0.5 W	150 MHz	8
MPS8598	100	60 V	200 mA	0.35 W	150 MHz	1
2SA1048GR	200	50 V	150 mA	0.2 W	80 MHz	2
TIS93	100	40 V	400 mA	0.625 W		4
2N4403	100	40 V	600 mA	0.31 W	200 MHz	11

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2SA1331O5	135	50 V	150 mA	0.2 W	110 MHz
BC204A	125	45 V	100 mA	0.3 W	100 MHz
BC251	125	45 V	100 mA	0.3 W	100 MHz
BC261	125	45 V	100 mA	0.3 W	100 MHz
BC261A	125	45 V	100 mA	0.3 W	100 MHz
2SA873	140	40 V	200 mA	0.3 W	110 MHz
BC256	125	64 V	100 mA	0.3 W	100 MHz
BCW68GLT1G	120	45 V	800 mA	0.225 W	100 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Roland 703EFG VCF 2SA733Q · 2SC945Q · ? · CA3080 Roland 703EFG VCF	Roland 703EFG VCF	Other	Experimentalists Anonymous	—	1	—	113