Parts · Transistors

BC327

Si PNP BJT TO-92 TH.3 circuits use this part.

Datasheet · from onsemi.com

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
BC327	63	45 V	800 mA	0.5 W	60 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2N5401	60	150 V	600 mA	0.31 W	100 MHz	2
TIS93	100	40 V	400 mA	0.625 W		4
2N4402	50	40 V	600 mA	0.31 W	150 MHz	4
PN200	40	35 V	500 mA	0.625 W	150 MHz	1
PN2907	100	40 V	600 mA	0.4 W	200 MHz	5
2N2904A	40	60 V	600 mA	0.6 W	200 MHz	1
2N4403	100	40 V	600 mA	0.31 W	200 MHz	11
MPS-U55	50	60 V	2000 mA	8 W	100 MHz	1

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BCX84	60	60 V	500 mA	0.5 W	60 MHz
BCW76	63	45 V	800 mA	0.45 W	100 MHz
BCW76-10	63	45 V	800 mA	0.45 W	100 MHz
BSV15-10	63	40 V	1000 mA	0.8 W	50 MHz
BCP51-10T	63	45 V	1000 mA	0.6 W	100 MHz
BCP51T	63	45 V	1000 mA	0.6 W	100 MHz
BFS45	60	60 V	1000 mA	0.35 W	60 MHz
2SA1382	60	50 V	2000 mA	0.9 W

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
DIYRE 15IPS Tape Saturator Colour Mk. II Vero19×17 Verified BC327 · BC337 DIYRE 15IPS Tape Saturator Colour Mk. II	DIYRE 15IPS Tape Saturator Colour Mk. II	Compressor	Dirtbox Layouts	—	—	—	22
Tychobrahe Octavia Perfboard Verified BC327 · MPSA18 Roger Mayer Octavia	Roger Mayer Octavia	Fuzz	Effects Layouts (blog)	—	2	—	27
Merlins Glassblower V1.5 BC327 · BC337 · TL072 Merlin Blencowe Glassblower · 1590B	Merlin Blencowe Glassblower	Boost	TH Custom Effects	1590B	1	€5.52	18