Parts · Transistors

2SA659

Si PNP BJT.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
2SA659	80	50 V	200 mA	0.3 W	45 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BC557	75	45 V	200 mA	0.3 W	75 MHz	20
BC307	75	45 V	100 mA	0.3 W	100 MHz	1
2SA1015	70	50 V	150 mA	0.4 W	80 MHz	8
2SA1048	70	50 V	150 mA	0.2 W	80 MHz	6
TIS93	100	40 V	400 mA	0.625 W		4
BC177	70	45 V	100 mA	0.3 W	130 MHz	2
BC327	63	45 V	800 mA	0.5 W	60 MHz	3
BC556	75	65 V	100 mA	0.5 W	150 MHz	1

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N2432AUB	80	45 V	100 mA	0.36 W
BSW44A	75	50 V	200 mA	0.3 W
BSW44AK	75	50 V	200 mA	0.3 W
2SA532	80	50 V	200 mA	0.5 W	45 MHz
BSW44B	75	60 V	200 mA	0.3 W
2N6223	75	60 V	100 mA	0.36 W
BSS53	80	120 V	100 mA	0.3 W
PN4965	80	40 V	100 mA	0.2 W	60 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Vox and Guyatone 1902 Flanger 1458 · 2SA659 · 2SC1175 · 2SC1327 Vox and Guyatone 1902 Flanger	Vox and Guyatone 1902 Flanger	Flanger	Experimentalists Anonymous	—	—	—	100