Parts · Transistors

2N5551

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
2N5551	80	160 V	600 mA	0.31 W	100 MHz

Closest by the numbers

Part	hFE min	Vce	Ic	Pc	fT
2N5550	80	140 V	600 mA	0.31 W	100 MHz
2N25551	80	160 V	600 mA	0.625 W	100 MHz
2N5831	80	140 V	600 mA	0.625 W	100 MHz
2SC2881O	80	120 V	800 mA	0.5 W	120 MHz
BCPC4373	80	120 V	800 mA	0.5 W	120 MHz
2SC2881A	80	250 V	800 mA	0.5 W	120 MHz
2SC2316O	80	120 V	800 mA	0.9 W	120 MHz
KSC2316	80	120 V	800 mA	0.9 W	120 MHz

Faceplate	Circuit	Based on	Category	Vendor	Box	Knobs	Price	BOM
	Noise Terminator 2N5551 · LF347 · LF353N · MPS2222A	Decimator G strong II	Noise Gate	PCB Guitar Mania	1590BB	—	€11.90 out	79