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SMTSOB-440-8ET PEM ReelFast®

SKU: 29447 | MPN: SMTSOB-440-8ET
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Details

Specification
ManufacturerPenn Engineering
Manufacturer's Part NumberSMTSOB-440-8ET
DescriptionSMTSOB-440-8ET ReelFast® microPEM® Surface Mount Nuts / Standoffs
Thread Size#4-40
Length0.250 in ±0.005
Material SpecificationBrass
Finish SpecificationElectro-Plated Tin, ASTM B545, Class A with Clear Preservative Coating, Annealed
Min. Sheet Thickness0.060 in
For Use In Sheet HardnessNot Applicable
Thread SpecificationInternal, ASME B1.1, 2B
A0.060 in Max.
C0.161 in Max.
E0.219 in ±0.005
Hole Size in Sheet0.166 in + .003 - .000
øD - Min. Solder Pad0.244 in
Parts Per Reel650
Reel Pitch12 mm
Reel Size330 mm
Tape Width24 mm
Reel StandardConform to EIA-481
Special NoteSMTSOB fasteners with this length have a shank counterbore
Special Note 1The tin deposit on type SMTSOB meets the requirements of ASTM B545, Class A and although the copper and nickel barrier layers used under the tin do not strictly comply with ASTM B545 thickness requirements they have proven effective at preventing zinc migration and providing the specified solderable shelf life.