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We show that multiple Abelian sectors with Stuckelberg mass-mixing simplybreak supersymmetry via Fayet-Iliopoulos D-terms and straightforwardly mediateit to the other sectors. This mechanism naturally realizes a splitsupersymmetry spectrum for soft parameters. Scalar squared-masses (holomorphicand non-holomorphic) are induced through sizable portals and are notsuppressed. Gaugino masses, a-terms and a mu-like term are generated byhigher-dimensional operators and are suppressed. The hypercharge is mixed withextra U(1)'s, it's D-term in non-vanishing and supersymmetry is broken in thevisible sector too. Scalar tachyonic directions are removed by unsuppressedinteractions and hypercharge is preserved as supersymmetry is broken. Moreover,if a singlet chiral field is charged under additional $U(1)$'s proportional toits hypercharge, new interaction terms in the Kahler potential and thesuperpotential are added through Stuckelberg compensation. In this casesupersymmetry is broken via F-terms or mixed F and D-terms.

Split Supersymmetry Breaking from Stuckelberg Mixing of Multiple U(1)'s