Parts · Transistors

BC558C

Si PNP BJT TO-92 TH.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
BC558C	420	25 V	100 mA	0.5 W	75 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BC559C	420	25 V	100 mA	0.5 W	75 MHz	3
BC557C	450	45 V	100 mA	0.5 W	75 MHz	13
BC560C	420	45 V	100 mA	0.5 W	150 MHz	11
BC307C	500	45 V	100 mA	0.3 W	130 MHz	2
BC559B	240	25 V	100 mA	0.5 W	75 MHz	1
2SA798	250	50 V	100 mA	0.4 W	50 MHz	1
2N3965	250	60 V	200 mA	0.36 W	50 MHz	3
BC560B	240	45 V	100 mA	0.5 W	150 MHz	4

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2SA1369	400	20 V	1500 mA	0.5 W	90 MHz
BCF39C	420	20 V	100 mA	0.25 W	75 MHz
BC252C	450	25 V	100 mA	0.3 W	80 MHz
BC253C	450	25 V	100 mA	0.3 W	80 MHz
2SA1944	400	50 V	1000 mA	0.5 W	90 MHz
BCV62C	420	30 V	100 mA	0.25 W	100 MHz
BC262C	450	25 V	100 mA	0.3 W	100 MHz
BC263C	450	25 V	100 mA	0.3 W	100 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	TC Electronics Spark Mini Perfboard Verified BC549C · BC558C TC Electronic Spark Mini Booster · 1590A	TC Electronic Spark Mini Booster	Boost	Effects Layouts (blog)	1590A	1	—	21