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Subject:	Re: CC0402 Footprint
From:	Andre Demers <[log in to unmask]>
Reply To:	(Designers Council Forum)
Date:	Tue, 16 Dec 2003 13:35:57 -0500
Content-Type:	text/plain
Parts/Attachments:	text/plain (59 lines)

Hi Fred ,

My experience is that we design all our discrete footprints as
per IPC and there has never been any problems. For the 0402 :
X=.70
Y=.90
G=.40
We will sometimes use the smaller ones when there are many to place
and space is at a premium.

Regards,

Andre Demers

-----Original Message-----
From: Fred Dark [mailto:[log in to unmask]]
Sent: December 16, 2003 1:03 PM
To: [log in to unmask]
Subject: [DC] CC0402 Footprint


Dear IPC; I have a question in reference to a "0402". What is the current
IPC spec. for the footprint. I design my footprint per IPC-782A;

X=.60 Min.(.70nom.) .80mm Max.
Y=.90mm
G=.40 Min.(.50nom.) .60mm Max.

The reason I ask is because vendor's like Vishay, NIC, AVX and Kemet
specify some smaller. Will I be OK with IPC spec's and would you recommend
using the nom. dimension as specified or the max...

Regard's, Fred Dark Jr.

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