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Article #366Re: power requirements for 1/4" tape drives
From: Guy McConnell
Date: Fri, 10 Nov 1989 14:34
Date: Fri, 10 Nov 1989 14:34
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1761 bytes
In article <RSM.89Nov8225829@obsidian.math.arizona.edu>, rsm@math.arizona.edu (Robert S. Maier) writes:
> I just bought a quarter-inch Archive tape drive (model 2150S, if it
> matters). It's a half-height drive, and I was planning on mounting it
> in a standard half-height floppy disk drive enclosure.
>
> However... the power supply in said enclosure only supplies 1 amp of
> +5V, and 1.2 amps of +12V. On the tape drive is a little sticker
> reading
>
> +5V / 17.5W
> +12V / 48W
>
> It looks to me as if the power supply will be severely overloaded, to
> put it mildly.
>
> I don't have the manual for the tape drive yet, so I'm forced to ask
> the net: are those figures reasonable? Will the tape drive actually
> use that much power?
REQUIREMENT +12V +5V
Tolerance (incl. max. +or- 10% +or- 5%
ripple of 200mV)
Standby Current 0.2 amps nom. 0.45 amps nom.
Operational Current 0.8 amps nom. 0.5 amps nom.
1.5 amps max. 0.7 amps max.
Tape Start Surge 2.5 amps max.
(up to 300msec)
Power Dissapation 20 watts typ.
(operational) 35 watts max.
Better find another power source.
Guy D. McConnell
Technical Details
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!shadooby!samsung!cs.utexas.edu!uunet!ingr!b11!mcconnel From: mcconnel@b11.ingr.com (Guy McConnell) Newsgroups: comp.periphs Subject: Re: power requirements for 1/4" tape drives Message-ID: <6536@b11.ingr.com> Date: 10 Nov 89 14:34:52 GMT References: <RSM.89Nov8225829@obsidian.math.arizona.edu> Organization: Intergraph Corp. Huntsville, AL Lines: 46