Product Overview Mini-Circuits’ TCM2-142-75X+ is a 75 surface-mount transmission line transformer covering a wide range of ap- plications from 10 to 1400 MHz. The transformer provides input power handling up to 0.4W, low insertion loss, good input return loss and low amplitude unbalance. Featuring core and wire construction on a 5-pad ceramic base, the unit measures 0.15 x 0.15 x 0.15″, accommodating dense circuit board layouts. It also incorporates Mini-Circuits’ Top Hat® feature for faster, more accurate pick-and-place assembly and easy visual inspection.