Parts · Transistors

2SC828A

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
2SC828A	65	45 V	50 mA	0.25 W	110 MHz

Used on other boards here

Part	hFE min	Vce	Ic	Pc	fT	Boards
2SC945	75	40 V	100 mA	0.25 W	125 MHz	10
2SC2458	70	50 V	150 mA	0.2 W	80 MHz	10
2N3416	75	50 V	500 mA	0.36 W		1
2SC1815	70	50 V	150 mA	0.4 W	80 MHz	85
2N5173	80	45 V	25 mA	0.2 W		2
2SC2712	70	50 V	150 mA	0.15 W	80 MHz	1
MPSA05	50	60 V	500 mA	0.33 W	100 MHz	6
2N5551	80	160 V	600 mA	0.31 W	100 MHz	6

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2SC714	60	40 V	200 mA	0.25 W	100 MHz
BC54-10PA	63	45 V	1000 mA	0.42 W	100 MHz
BC54-10PAS	63	45 V	1000 mA	0.42 W	100 MHz
BC54PA	63	45 V	1000 mA	0.42 W	100 MHz
BC54PAS	63	45 V	1000 mA	0.42 W	100 MHz
2SC2550	70	50 V	200 mA	0.3 W	125 MHz
BCM56DS	63	80 V	1000 mA	0.27 W	100 MHz
2SC634A	65	50 V	200 mA	0.32 W	70 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Walco Signal Booster Vero Verified 2SC828A Walco Signal Booster	Walco Signal Booster	Boost	Dirtbox Layouts	—	1	—	10