Parts · Transistors

2SA493

Si PNP BJT.3 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
2SA493	200	40 V	50 mA	0.2 W	100 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2SA1048GR	200	50 V	150 mA	0.2 W	80 MHz	2
2SA1335	200	120 V	100 mA	0.2 W	100 MHz	4
2N4250	250	40 V	100 mA	0.2 W	100 MHz	1
BC557B	200	45 V	100 mA	0.5 W	75 MHz	6
2SA970	200	120 V	100 mA	0.3 W	100 MHz	5
2SA1312	200	120 V	100 mA	0.15 W	110 MHz	1
BC307B	240	45 V	100 mA	0.3 W	130 MHz	6
BC560B	240	45 V	100 mA	0.5 W	150 MHz	4

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BCW88	200	45 V	100 mA	0.167 W	100 MHz
2SA1331O6	200	50 V	150 mA	0.2 W	110 MHz
2SA842	200	40 V	50 mA	0.2 W	70 MHz
2SA1586-GR	200	50 V	150 mA	0.2 W	80 MHz
BC315B	200	35 V	100 mA	0.3 W	100 MHz
BC320B	200	45 V	150 mA	0.31 W	100 MHz
BC479	200	40 V	150 mA	0.36 W	100 MHz
2SA1595	200	45 V	100 mA	0.2 W	140 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
BOSS CE-1 1458 · 2SA493 · 2SA733 · 2SB434 Boss CE-1	Boss CE-1	Vibrato / Chorus	Experimentalists Anonymous	—	4	—	181
Boss CE-1 (GIF) 2SA493 · 2SA733 · 2SB434 · 2SC536F Boss CE-1 (GIF)	Boss CE-1 (GIF)	Vibrato / Chorus	Experimentalists Anonymous	—	4	—	189
Boss CE-1 Chorus Ensemble 1458 · 2SA493 · 2SA733 · 2SB434 Boss CE-1	Boss CE-1	Vibrato / Chorus	Revolution Deux	—	7	—	179