N/AElectro-Plated Tin, ASTM B 545, Class A with Clear Preservative Coating, annealed
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N/APennEngineering® (PEM®)
1 Packaged on 13" recyclable reels. Tape width is 24mm and 16mm.
Pitch is 16mm and 12mm. Reels conform to EIA-481.
2 The 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 mig