dallas semiconductor DS9098P service manual
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DS9098P
iButton Retainer
FEATURES
19.30
3-D View
Compact receptacle for F5 iButton mounting
Fully backward-compatible to DS9098
Contacts are stainless steel with selective tin-
lead plating for optimal solderability to
printed circuit board
Retainer to iButton connection is stainless
steel to stainless steel
39° 39°
Withstands up to 250°C for surface mounting
Double redundancy of contacts (2 plus 2)
Top View
Latch
8.12
Contact force exceeds 200 grams for reliable
connection
Prevents reversed insertion
At insertion, the iButton is latched for reten-
14.35
2.60
13.00
17.60
tion
The iButton pops up for removal when latch
∅
is released
Gentle deflection of latches allows removal of
the iButton
16.50
∅
19.50
4.40
Bottom View Side View
3.40
>25 insertion/withdrawal cycles with no per-
formance degradation
Compatible with standard pick and place
equipment
Cleaning fluids drain freely for quick clean up
ORDERING INFORMATION
DS9098P-TRL Tape & Reel, 220 parts per
13 inch reel
Recommended Printed Circuit Layout Pads
Data Trace
Copper cladding
≥
0.3 kg/m
or ≥ 34 µm
(≥ 1oz/sq.ft)
with soldermask
overlay
2
10.8
Center – Data Outer Ring – Ground
All dimensions are in millimeters.
8.5
18.3
13.7
DESCRIPTION
The DS9098P iButton Retainer is a low-cost, surface-mount device to secure an F5 iButton on a printed
circuit board. It consists of three metal pieces (two for GROUND, one for DATA) molded into a body of
black, heat-stabilized, 30% glass fiber reinforced Nylon 46.
When inserting an iButton into the DS9098P, closely align axis of the iButton and the retainer. The
retainer then latches the flange of the iButton. At removal, limit deflection of retainer latches to just free
the iButton edge from retained state. Avoid applying excess force to latches.
The DS9098P is only available on tape & reel. The tape specifications match those of 68-lead PLCC
devices except for the deeper pockets and tape-feed sprockets on either side of the 44 mm tape. Alignment pedestals keep the part oriented on tape with the latches adjacent to the sprockets.
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