12 Layer Daisy Chain

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12 Layer Lead Free Throughhole Kit Daisy Chain 12-layer board designed with heat dissipating (thermal relief) inner layers, makes this board a challenge to solder. Boards available in 4 Lead Free finishes. BOARD PLATING (Pb Free): Sn100 – White Tin (Immersion Tin) Ag - Immersion Silver Cu - OSP (Entek 106) Au - Gold Ni-Au (ENIG) (Electroless Nickel, Immersion Gold) DAISY CHAIN DIP14 Zero Ohm 1⁄4 W Resistors Go, No-Go Test Points PLATED HOLES Throughhole barrels with thermal relief are connected to all 10 inner layer copper ground planes for soldering capillary test. 10 holes with graduating sizes: .016”- .062” (0.4mm ~1.6mm) FEATURES LPI Solder Mask FR4 Board 0.10” (2.5mm) Thick Tg = 175˚C 12 Layer Copper ground plane inner layers Tooling Holes Fiducials Marks 450 Plated Holes A+ B+ C+ D+ A- B- C- D- 16 22 26 32 36 40 48 52 57 62 TM 913001 BOTTOM REV B Actual Size: 4.0” x 5.5” (100 x 140mm) 0.10” (2.5mm) thick Component (top) 10x Inner Layers Solder (bottom) Side View 148 Thermal Relief Wagon Wheel Inner Layer PTH RoHS Pb-Free


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