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SMTSS™ REELFAST® Surface Mount SNAP-TOP® Standoffs - Unified
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SMTSS™ REELFAST® Surface Mount SNAP-TOP® Standoffs - Unified
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Part # SMTSSS-156-12 ET
Part # SMTSSS-156-12 ET, SMTSS™ REELFAST® Surface Mount SNAP-TOP® Standoffs - Unified
PEM® surface mounted standoffs that eliminate the need for attaching screws
PEM® SMTSS™ fasteners feature a spring action to hold a P.C. Board securely without screw or threaded hardware, allowing for quick assembly.
Mount on P.C. Boards in the same manner and at the same time as other surface mount components prior to the automated reflow solder process.
Alleviated concerns about potential damage to P.C. Boards due to improper secondary installation operations.
Fasteners provided on tape and reel compatible with existing SMT automated installation equipment.
Benefits include reduced scrap, reduced handling and reduced risk of board damage.
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Specifications
L - Length ± .005
.375
in
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Min. Sheet Thickness
.060
in
A Max.
.060
in
C Max.
.161
in
E ± .005
.250
in
B ± .005
.188
in
P ± .005
.141
in
øH - Hole Size in Sheet + .003 - .000
.166
in
øD - Min. Solder Pad
.276
in
Parts per Reel
1
220
Fastener Material
Carbon Steel
Standard Finish
2
Electro-Plated Tin, ASTM B 545, Class A with Clear Preservative Coating, annealed
Top Mounting Hole A + .003 -.000
.156
in
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Bottom Mounting Hole B + .003 -.000
.166
in
Min. Thickness - Panel 1 (Bottom)
.060
in
Thickness Range - Panel 2 (Top)
.040 to .070
in
Material - Panel 1 (Bottom)
PC Board
Material - Panel 2 (Top)
PC Board or Metal
Edge Distance C Min.
.100
in
Location Tolerance
±.005
in
Max. Hardness - Panel 1 (Bottom)
No Limit
Max. Hardness - Panel 2 (Top)
No Limit
CAD Supplier
PennEngineering® (PEM®)
1
Packaged on 330mm recyclable reels. Tape width is 24 mm. Supplied with polyimide patch for vacuum pick up. Reels conform to EIA-481.
2
(1) See PEM Technical Support section of our web site for related plating standards and specifications. (2) Optimal solderability life noted on packaging.
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