Parts · Transistors

BC169

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
BC169	240	20 V	100 mA	0.3 W	85 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2SC539	250	25 V	50 mA	0.3 W	100 MHz	3
BC208B	240	20 V	100 mA	0.3 W	150 MHz	1
2N3391	250	25 V	100 mA	0.2 W	70 MHz	9
BC184	240	30 V	200 mA	0.3 W	150 MHz	15
BC183B	240	30 V	200 mA	0.3 W	150 MHz	3
BC184B	240	30 V	200 mA	0.3 W	150 MHz	1
BC319	200	20 V	150 mA	0.31 W	100 MHz	2
BC182B	240	50 V	200 mA	0.3 W	120 MHz	3

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
BC279	240	20 V	100 mA	0.3 W	75 MHz
BC279B	240	20 V	100 mA	0.3 W	75 MHz
BC278B	240	25 V	100 mA	0.3 W	75 MHz
BC172B	240	25 V	100 mA	0.3 W	100 MHz
MPS6572	250	20 V	50 mA	0.35 W	90 MHz
MPS6571	250	20 V	50 mA	0.31 W	100 MHz
PN3900	250	18 V	100 mA	0.36 W	80 MHz
BSW88B	250	30 V	100 mA	0.3 W

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Roger Mayer Noisegate 2N3704 · 2N3707 · 2N3820 · 2N4058	—	Noise Gate	Experimentalists Anonymous	—	3	—	54