47283R10 is a trimmer/variable capacitors manufactured by Knowles Johanson Manufacturing. This component is defined by a capacitance range of 0.4 ~ 2.5pF, a adjustment type of Top, a voltage, rated of 500 V, a dielectric material of Alumina, a Q @ freq of 4000 @ 250MHz and a size / dimension of 0.150" Dia (3.81mm). This part has a typical lead time of 63 Days from factory and ships with a full manufacturer datasheet available for download. You can source 47283R10 through Simplytronix, with fast shipping and verified authenticity.