Parts · Transistors

BC184B

Si NPN BJT TO-92 TH.1 circuit uses this part.

Substitutes Si NPN 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
BC184B	240	30 V	200 mA	0.3 W	150 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BC183B	240	30 V	200 mA	0.3 W	150 MHz	3
ZTX109	240	30 V	100 mA	0.3 W	150 MHz	2
BC209	240	45 V	100 mA	0.3 W	150 MHz	1
ZTX382B	240	45 V	100 mA	0.45 W	150 MHz	1
BC182B	240	50 V	200 mA	0.3 W	120 MHz	3
MPS6515	250	25 V	100 mA	0.31 W	200 MHz	3
2SC1335	250	30 V	100 mA	0.2 W	230 MHz	2
TIS97	250	40 V	100 mA	0.5 W	125 MHz	6

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BC383B	240	30 V	100 mA	0.3 W	150 MHz
BC384B	240	30 V	100 mA	0.3 W	150 MHz
BC173B	240	25 V	100 mA	0.3 W	150 MHz
BSW88B	250	30 V	100 mA	0.3 W
BSW89B	250	30 V	100 mA	0.3 W
BCW83B	240	30 V	100 mA	0.225 W	150 MHz
BCW84B	240	30 V	100 mA	0.225 W	150 MHz
MPS9633	250	30 V	100 mA	0.35 W	150 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Ghost of Kyiv Perfboard Verified BC184B · LOW HFE NPN GERM · LOW HFE PNP GERM Ghost Effects of Kyiv · 125B	Ghost Effects of Kyiv	Distortion	Effects Layouts (blog)	125B	6	—	41