Parts · Transistors

BC184L

Si NPN BJT TO-92 TH.4 circuits use 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
BC184L	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

Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
Fulltone Mas Malo Perfboard Verified 2N5457 · BC184L Fulltone Mas Malo	Fulltone Mas Malo	Distortion	Effects Layouts (blog)	—	4	—	35
18v Colorsound Power Boost Vero18×16 Verified BC184L Colorsound Power Boost	Colorsound Power Boost	Distortion	Tagboard Effects	—	3	—	27
Colorsound Fuzz Wah/Fuzz Wah Straight/Wow Fuzz Vero17×17 Unverified BC167B · BC184L Colorsound Fuzz Wah/Fuzz Wah Straight/Wow Fuzz	Colorsound Fuzz Wah/Fuzz Wah Straight/Wow Fuzz	Fuzz	Tagboard Effects	—	1	—	22
John Hollis Frobnicator Vero18×19 Verified BC184L · CA3080 · TL062 John Hollis Frobnicator	John Hollis Frobnicator	Octave / Pitch	Tagboard Effects	—	2	—	27