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Subject:	Layout recommendation for LCCC transistors and AVX TAZ T
From:	Matthias Mansfeld <[log in to unmask]>
Reply To:	[log in to unmask]
Date:	Mon, 17 Jan 2000 05:44:15 +0100
Content-Type:	text/plain
Parts/Attachments:	text/plain (52 lines)

Hello all,

Please apologize my cross-posting in DC, TechNet and PCD List

a)
I'm looking for a good, (if possible space proven) layout
recommendation for the ST microelectronic 2N2222 in LCCC3 style
(Leadless Ceramic Chip Carrier, 3 pins, pins size "T1" (according
IPC-SM-782 nomeclature) 0.60-0.91 mm, "W" 0.40-0.60 mm, pitch is
1.80-2.00 mm.

Anybody with good ideas (I built my own accordimg the SM-782, but
maybe somebody has a space proven design...

ST microelectronics seem not to have any recommendations.

b) There is from International Rectifier a transistor package ""like"
a LCCC, ceramic SMD with three huge pads at the bottom side, no toe,
no heel, called "SMD-1". IRHN9150 is one of the parts in this package.
IR has no layout recommendations.  I built again my own, but perhaps
also anybody out there with a space proven layout?

c) There is from AVX a series of SMD tantal capacitors "TAZ" or CWR09
/ COTS-Plus series for military and space application. They don't have
packages according the EIA standards (and according to IPC-SM-782).
AVX has no layout recommendations. ....built my own, but perhaps
.....?

Many many thanks in advance, best regards
Matthias Mansfeld
-----------------------------------------------
Matthias Mansfeld Elektronik
* Printed Circuit Board Design and Assembly
Am Langhoelzl 11, D-85540 Haar, GERMANY
Phone: +49-89-4620 0937, Fax: +49-89-4620 0938
E-Mail: [log in to unmask]
Internet: http://www.mansfeld-elektronik.de

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