Parts · Transistors

BC349B

Si NPN BJT.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
BC349B	200	20 V	100 mA	0.3 W	125 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
BC108B	200	20 V	100 mA	0.3 W	150 MHz	20
BC109B	200	20 V	100 mA	0.3 W	150 MHz	13
BC239	200	20 V	100 mA	0.3 W	150 MHz	7
BC238B	200	20 V	100 mA	0.3 W	150 MHz	2
BC239B	200	20 V	100 mA	0.3 W	150 MHz	1
BC319	200	20 V	150 mA	0.31 W	100 MHz	2
BC149	200	20 V	200 mA	0.25 W	150 MHz	6
BC149B	200	20 V	200 mA	0.25 W	150 MHz	1

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BC239A	200	20 V	100 mA	0.3 W	150 MHz
BCY57	200	20 V	200 mA	0.3 W	150 MHz
2SC3267GR	200	20 V	2000 mA	0.4 W	120 MHz
BC319B	200	20 V	150 mA	0.31 W	100 MHz
BC348B	200	30 V	100 mA	0.3 W	125 MHz
BSY80	200	18 V	100 mA	0.3 W	100 MHz
BC148B	200	20 V	200 mA	0.25 W	150 MHz
BC408B	200	20 V	100 mA	0.25 W	150 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Colorsound Sustain Module 1 switch version Vero19×13 Verified 2N3819 · BC349B Colorsound Sustain Module 1 switch version	Colorsound Sustain Module 1 switch version	Fuzz	Dirtbox Layouts	—	2	—	23