Parts · Transistors

2SA733-P

Si PNP BJT TO-92 TH.2 circuits use 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
2SA733	40	40 V	300 mA	0.25 W	90 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
PN200	40	35 V	500 mA	0.625 W	150 MHz	1
2N4402	50	40 V	600 mA	0.31 W	150 MHz	4
2N2907	35	40 V	600 mA	0.4 W	200 MHz	38
2N2904A	40	60 V	600 mA	0.6 W	200 MHz	1
2N3905	50	40 V	200 mA	0.31 W	200 MHz	6
MPSA65	50	30 V	300 mA	0.625 W	100 MHz	2
BC212L	50	50 V	200 mA	0.3 W	200 MHz	1
2N4125	50	30 V	200 mA	0.31 W	200 MHz	18

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2SA539	40	45 V	200 mA	0.25 W	100 MHz
BFW90	40	40 V	500 mA	0.3 W	100 MHz
2N5041	40	40 V	1000 mA	0.3 W	80 MHz
BFV86	40	40 V	600 mA	0.36 W
BSX36	40	40 V	500 mA	0.36 W	100 MHz
BSX36CSM	40	40 V	500 mA	0.36 W	100 MHz
BSX36DCSM	40	40 V	500 mA	0.36 W	100 MHz
2SA467	40	30 V	400 mA	0.3 W	100 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	BOSS BF-2 2SA733-P · 2SC732TM-GR · 2SC945-P · 2SK30A-Y Boss BF-2 Flanger	Boss BF-2 Flanger	Flanger	Experimentalists Anonymous	—	4	—	139
	BOSS DC-2 2SA733-P · 2SC732TM-GR · 2SK30ATM-Y · 78L06 Boss DC-2	Boss DC-2	Vibrato / Chorus	Experimentalists Anonymous	—	—	—	207