The PDF-3C-500 SQ from Crane Aerospace & Electronics is a Power Divider with Frequency 25 to 1000 MHz, Insertion Loss 0.5 to 1.2 dB, Isolation 22 to 28 dB, Input Power 1 W, Amplitude Balance 0.2 to 0.4 dB. Tags: Flatpack, Lumped Element Power Divider. More details for PDF-3C-500 SQ can be seen below.