Seagate ST15150W/WD/WC, ST15150N/ND/DC manual Nd/Wd/Dc

16							Barracuda 4 Installation Guide, Rev. E
DC power requirements
									N/W/WC		ND/WD/DC
									+5V11	+12V	+5V11	+12V
Voltage regulation5									± 5%	± 5%2	± 5%	± 5%2
Max operating current										Amps
	DC 3σ 1								0.95	0.95	1.19	0.95
Average idle current
	DC		1, 12						0.63	0.78	0.69	0.78
		X
Max starting current
	Peak DC 3σ 3, 6								0.93	2.18	1.02	2.18
	Peak AC 3σ 3								–	3.10	–	3.10
Delay motor start
	Max DC 3σ 1, 4								0.95	0.10	0.94	0.10
Peak operating current
	Typical DC					X		1, 10	0.92	0.86	1.13	0.86
	Max DC 3σ 1								0.95	0.95	1.19	0.95
	Max (peak) AC 3σ								1.08	1.8	1.95	1.8
Track following at									0.91	0.80	0.97	0.80
	OD DC X 1
	ID DC			X	1				0.89	0.86	0.96	0.86
Read track
	OD DC 3σ 1, 14								0.97	0.89	1.39	0.89
	AC 3σ								1.05	1.10	1.96	1.10
Seeking
	Typical DC						X	1, 13	0.91	1.10	0.98	1.10
	Max DC 3σ 1								0.92	1.20	1.07	1.20
	Max (peak) AC 3σ								1.05	1.87	1.7	1.87