Mystery Component

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Tim Wescott 17 years ago

From a box of engineering surplus from a client (so I can't just check their part number).

It's a 1210 package, orange, says

"DALE" "4R7"

9333

It ohms out to 1.0 ohms -- so it certainly isn't a 4.7 ohm resistor.

Does Dale make coils? Where to check?

Tim Wescott Wescott Design Services http://www.wescottdesign.com Do you need to implement control loops in software? "Applied Control Theory for Embedded Systems" gives you just what it says. See details at http://www.wescottdesign.com/actfes/actfes.html

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Michael A. Terrell 17 years ago

Yes they did. They are part if Vishay these days.

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David L. Jones 17 years ago

Most likely an inductor. 4R7 is likely to be the impedance at 100MHz.

Dave.

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Don Bowey 17 years ago

Why not just measure it for inductance?

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Robert Baer 17 years ago

More likely inductance in nH?

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Tim Wescott 17 years ago

That appears to be the right answer -- they have some 1210 parts that fit what I have, barring color.

Tim Wescott Wescott Design Services http://www.wescottdesign.com Do you need to implement control loops in software? "Applied Control Theory for Embedded Systems" gives you just what it says. See details at http://www.wescottdesign.com/actfes/actfes.html

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Mystery Component

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