Parts · Transistors

2SA1015Y

Si PNP BJT TO-92 TH.4 circuits use this part.

Datasheet · archived copy from Toshiba; the part is discontinued and the maker no longer publishes it

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
2SA1015Y	120	50 V	150 mA	0.4 W	80 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BC557A	125	45 V	100 mA	0.5 W	75 MHz	2
BC560	110	45 V	100 mA	0.5 W	150 MHz	8
TIS93	100	40 V	400 mA	0.625 W		4
2N4249	100	60 V	100 mA	0.2 W	100 MHz	2
MPS8598	100	60 V	200 mA	0.35 W	150 MHz	1
PN2907	100	40 V	600 mA	0.4 W	200 MHz	5
2N4403	100	40 V	600 mA	0.31 W	200 MHz	11
2N3906	100	40 V	200 mA	0.31 W	250 MHz	324

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BC251A	120	45 V	100 mA	0.3 W	80 MHz
BC405A	125	50 V	150 mA	0.35 W	75 MHz
2SA561Y	120	50 V	150 mA	0.3 W	70 MHz
BCW69LT1	120	45 V	200 mA	0.3 W	75 MHz
BCX79	120	45 V	100 mA	0.45 W	100 MHz
BCX79VII	120	45 V	200 mA	0.45 W	100 MHz
BCY79-VII	120	45 V	100 mA	0.34 W	100 MHz
BCY79-VIII	120	45 V	100 mA	0.34 W	100 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Flange-A-Rama 2SA1015Y · 2SC2458BL · C4570C · MN3102 Ibanez FL-99 flanger · 1590J	Ibanez FL-99 flanger	Flanger	Dead End FX	1590J	4	$20.00	123
Inchindown Redux 2N3904 · 2SA1015Y · 2SC1815BL · 74HCU04N Ibanez EM5 Echomachine · 1590J	Ibanez EM5 Echomachine	Vibrato / Chorus	Dead End FX	1590J	6	$15.00	101
Ibanez EM5 2SA1015Y · 2SC1815BL · 2SC1815GR · 2SK118O Ibanez EM5 Echomachine	Ibanez EM5 Echomachine	Delay	Experimentalists Anonymous	—	—	—	111
Pearl Compressor 2SA1015Y · 2SC1815Y · 2SC2240GR · 2SK30A-GR Pearl Compressor	Pearl Compressor	Compressor	Experimentalists Anonymous	—	4	—	89