Parts · Transistors

2SA1115F

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
2SA1115	90	50 V	200 mA	0.3 W	200 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2N4403	100	40 V	600 mA	0.31 W	200 MHz	11
PN2907	100	40 V	600 mA	0.4 W	200 MHz	5
2N3906	100	40 V	200 mA	0.31 W	250 MHz	324
MPS8598	100	60 V	200 mA	0.35 W	150 MHz	1
TIS93	100	40 V	400 mA	0.625 W		4
BC307	75	45 V	100 mA	0.3 W	100 MHz	1
2N4249	100	60 V	100 mA	0.2 W	100 MHz	2
BC177	70	45 V	100 mA	0.3 W	130 MHz	2

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2SA999	90	50 V	200 mA	0.2 W	200 MHz
2SA1179	90	50 V	150 mA	0.2 W	180 MHz
2SA1317	100	50 V	200 mA	0.3 W	200 MHz
2SA1317R	100	50 V	200 mA	0.3 W	200 MHz
2SA1337	100	50 V	100 mA	0.3 W	200 MHz
2SA1338	100	50 V	500 mA	0.3 W	200 MHz
2SA1339	100	50 V	500 mA	0.3 W	200 MHz
2SA1339R	100	50 V	500 mA	0.3 W	200 MHz

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
BOSS DD-2 2SA1115F · 2SC2603F · 2SC732TM-GR · 2SK30A-O Boss DD-2	Boss DD-2	Delay	Experimentalists Anonymous	—	3	—	179
BOSS DR-100 2SA1115F · 2SB642R · 2SC2603F · 2SC945K Boss DR-100	Boss DR-100	Ring Mod / Synth	Experimentalists Anonymous	—	4	—	289
BOSS DR-110 2SA1115F · 2SB642R · 2SC2603F · 2SC945K Boss DR-110	Boss DR-110	Ring Mod / Synth	Experimentalists Anonymous	—	4	—	288