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Thread: Spectra Physics 168 magnet information?

  1. #1
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    Default Spectra Physics 168 magnet information?

    I have been trying to search for information about what the magnet is a SP168 was rated for Voltage/Amperage?

  2. #2
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    Quote Originally Posted by flecom View Post
    I have been trying to search for information about what the magnet is a SP168 was rated for Voltage/Amperage?

    You wont find that because it was designed to run off a 4 transistor current regulator on the passbank. You may find a cold resistance rating at best.

    I'm at work, so no chance of digging up any numbers today.

    Steve
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    well I can measure the resistance... I was hoping to find some kind of information about what this thing was meant to handle...

    I got a bunch of them and was thinking of making a massive coil gun with them

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    What current rating is the wire good for, i.e. type and gauge?

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    Hi flecom,

    the Field from SP 168 adjusts from 500 to 1000 gauss.The Magnetcoilresistance is 48,5 Ohm cold and 60 Ohm hot.The Magnetregulation range of approximately 2 to 4 amperes.

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    Although the above can give you an idea of a conservative long duty cycle rating, you really need to base the current it can take off of the wire gauge. You can determine the maximum current by that, how it is bundled and what the insulation is. If the duty cycle or amount of time current flows is short, even more current.
    Last edited by Laser57; 04-07-2015 at 08:58.

  7. #7
    mixedgas's Avatar
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    Its classical enameled/varnished magnet wire.

    Steve
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