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April 2004

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Subject:
From:
Lum Wee Mei <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 20 Apr 2004 16:56:08 +0800
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Hello there,

I have a component with 2 eyelets termination. THe two outputs are to be
connected to another component. As you can see, to do that, the only way
is to solder a wire each to the eyelet  and terminate it to a PTH hole
on the board.

Now, here come the questions :
(a) should I just provide a PTH pad directly beneath the eyelet termination
- to allow the insulated wire to bend like a little "J". One end solder
directly to the eyelet while the other end soldered to the board via the
PTH hole,

(b) 2 holes : one NPTH and one PTH
- to allow the insulated wire to make a loop through the board before
soldering one end to the eyelet termination of the component and the
other to the PTH pad.

Idea (a) will have saving in space and I think the termination method is
reasonable enough. While idea (b) require space.

I cannot find anything reference in IPC-CM-770 that address such
termination. In IPC-2221 Figure 8-31, there is a diagram for power
module using jumper. Is it applicable to this eyelet termination
component, too?

If I am to use (a), I will include sleeve at the eyelet termination
similar concept of harness. I don't think I am over doing it., right.

Hope to hear from some of you what connection method is the most
effective or appropiate for such eyelet termination component.

Thanks and regards,
Wee Mei

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