Parts · Transistors

2SA1048

Si PNP BJT TO-92 TH.6 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
2SA1048	70	50 V	150 mA	0.2 W	80 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2SA1015	70	50 V	150 mA	0.4 W	80 MHz	8
BC557	75	45 V	200 mA	0.3 W	75 MHz	20
BC177	70	45 V	100 mA	0.3 W	130 MHz	2
BC307	75	45 V	100 mA	0.3 W	100 MHz	1
2SA659	80	50 V	200 mA	0.3 W	45 MHz	1
BC327	63	45 V	800 mA	0.5 W	60 MHz	3
BC556	75	65 V	100 mA	0.5 W	150 MHz	1
2N4249	100	60 V	100 mA	0.2 W	100 MHz	2

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2SA1586-O	70	50 V	150 mA	0.2 W	80 MHz
2SA1162	70	50 V	150 mA	0.15 W	80 MHz
2SA1162-GR	70	50 V	150 mA	0.15 W	80 MHz
2SA1162O	70	50 V	150 mA	0.15 W	80 MHz
BC417	72	45 V	100 mA	0.25 W	75 MHz
2SA561O	70	50 V	150 mA	0.3 W	70 MHz
2SA1015-GR	70	50 V	150 mA	0.4 W	80 MHz
2SA1015O	70	50 V	150 mA	0.4 W	80 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
BOSS PW-2 2SA1048 · 2SC2458 · 2SK118 · 2SK184 Boss PW-2	Boss PW-2	Other	Experimentalists Anonymous	—	4	—	49
Boss MD-2 2SA1048 · 2SC2458 · 2SK118 · 2SK184 Boss MD-2	Boss MD-2	Distortion	Experimentalists Anonymous	—	—	—	47
Boss OD-3 2SA1048 · 2SC2458-GR · 2SK118 · 2SK184-GR Boss OD-3 Overdrive	Boss OD-3 Overdrive	Overdrive	Experimentalists Anonymous	—	3	—	83
Ibanez AD9 2SA1048 · 2SC1583 · 2SC2458 · 2SK118 Ibanez AD9	Ibanez AD9	Delay	Experimentalists Anonymous	—	3	—	144
Ibanez PC10 022 · 2SA1048 · 2SC1583F · 2SC2458 Ibanez PC10	Ibanez PC10	Vibrato / Chorus	Experimentalists Anonymous	—	6	—	212
Boss DS-2 Turbo Distortion 2SA1048 · 2SA1335 · 2SC2458 · 2SC3378 Boss DS-2	Boss DS-2	Distortion	Revolution Deux	—	3	—	161