Surface Mount Product and Tape & Reel Specifications
Thru Hole Mount
Product Specifications
20mm Retainers for
6 Volt Applications
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Designed for memory back-up and stand-by applications, these contacts
permit quick and easy coin cell replacement and installation. Eliminating
"soldered-in" cells, computer, video, telecommunication and similar
PCB based product users now have a reliable, "no tools required"
method for changing batteries.
Extremely economical, these retainer contacts are available in surface
mount (SMT) or thru hole mount (THM) styles for 4.8mm, 6.8mm, 11.6mm,12mm,
16mm, 20mm, 23mm and 24mm coin cells. The THM version has stable
mounting legs for excellent board retention during wave solder.
The SMT version includes a unique solder tail "flow-hole" design
to bolster reflow and strengthen solder joints. They are manufactured
from phosphor bronze, precision stamped and are plated with either
a high luster nickel finish or matte tin finish ideal for low temperature
soldering enviornments. Both feature dual spring contacts to assure
reliable connections and a low contact resistance.
 Balanced
and light weight for pick up and placement, these contacts are compatible
with vacuum and mechanical assembly systems. The SMT version is
available on tape and reel and the carrier tape is conductive polystyrene
which meets the ANSI/EIA - 481 standard.
DESIGN ADVANTAGES...
- Low profile for densely packed PCBs
- Retains cell securely, withstands shock & vibration
- Reliable dual spring contacts assure low contact resistance
- soldering & reflow operations
- Stable thru mount legs for increased strength
- Balanced & lightweight for reliable pick up & placement
- vacuum and mechanical pick & place systems
- "Flow-Hole" SMT solder tail design for increased joint strength
- Viewable solder tails assures reliable joint inspection
- Carrier tape is conductive polystyrene which meets the ANSI/EIA
- 481 standard
For detailed drawings, specifications and applications data, Contact
Us by e-mail or please contact our Customer Service Department
at (800) 221-5510 or (718) 956-8900 or by Fax (718) 956-9040.
Availability is from stock through Keystone's Global
Distributor Network. Application engineering services are available
to meet special customer requirements.
Refer to Keystone's Catalog M55 for our complete product offering and
specifications.
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