Lead frame set and saw filter using the same

摘要

A plurality of lead frames 10 disposed in parallel each have an inner and an outer lead 1 and 2, and not only the pitches A1 and A2 of the inner and outer leads 1 and 2 but also the widths A3 and A4 thereof are freely chosen to match a PWB wiring pattern or the like. An SAW filter 20 uses the lead frames 10 secured to a resin molding base 4 and connected to an SAW chip, and is covered by a resin molding cap 5.