  In the current work an equation of state model with a first-order phase
transition for astrophysical applications is presented. The model is based on a
two-phase approach for quark-hadron phase transitions, which leads by
construction to a first-order phase transition. The resulting model has already
been successfully used in several astrophysical applications, such as cold
neutron stars, core-collapse supernova explosions and binary neutron star
mergers. Main goal of this work is to present the details of the model, discuss
certain features and eventually publish it in a tabulated form for further use.
