Parts · Transistors

2SA733K

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
2SA733K	300	50 V	150 mA	0.25 W	100 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2N4250	250	40 V	100 mA	0.2 W	100 MHz	1
BC307B	240	45 V	100 mA	0.3 W	130 MHz	6
2SA798	250	50 V	100 mA	0.4 W	50 MHz	1
2N3965	250	60 V	200 mA	0.36 W	50 MHz	3
BC560B	240	45 V	100 mA	0.5 W	150 MHz	4
2SA1048GR	200	50 V	150 mA	0.2 W	80 MHz	2
BC560C	420	45 V	100 mA	0.5 W	150 MHz	11
2SA970	200	120 V	100 mA	0.3 W	100 MHz	5

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2SA1576	280	40 V	100 mA	0.3 W	140 MHz
BCW68H	250	45 V	800 mA	0.35 W	100 MHz
BCW68RH	250	45 V	800 mA	0.35 W	100 MHz
2SA901	250	40 V	100 mA	0.2 W	100 MHz
2SA906	250	40 V	100 mA	0.2 W	100 MHz
2SA1339Y	280	50 V	500 mA	0.3 W	200 MHz
2SA678	250	50 V	200 mA	0.25 W	70 MHz
BC204B	240	45 V	100 mA	0.3 W	100 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Korg MS50 071 · 072 · 14069 · 2SA733K Korg MS50 Filter	Korg MS50 Filter	Ring Mod / Synth	Experimentalists Anonymous	—	—	—	577