Looks like a shorting clip to protect the mosfet against differential lead potentials (ESD) during handling. Not a substitute for proper operator grounding and industry standard ESD protection protocols. 


-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Steve Gregory
Sent: Friday, August 08, 2014 11:08 AM
To: [log in to unmask]
Subject: [TN] Unusual part thingy....

Morning All,

One of my inspectors was doing a first article inspection on a board and came to me with a question about a transistor that is on the board, it's this one here:

http://www.futureelectronics.com/en/technologies/semiconductors/discretes/transistors/mosfets/Pages/3792082-SD211DE.aspx?IM=0

She was asking me what this little wire thingy is on the leads of the part, I said I didn't know...I have never seen something like this before. I'm thinking that it may be some sort of stand-off that you slide up and down the leads depending on how high you want the part to be stood up off the board, but I'm not sure. The datasheet doesn't say anything about it, and like I said, this is the first time I've seen this (okay, I've lead a
sheltered life...   ;^)  )

So what is this thingy?

http://stevezeva.homestead.com/SD211DE.jpg

Steve

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