The PDF-3C-525 from Crane Aerospace & Electronics is a Power Divider with Frequency 50 to 1000 MHz, Insertion Loss 0.8 to 2.25 dB, Isolation 20 to 25 dB, Input Power 1 W, Amplitude Balance 0.3 to 0.7 dB. Tags: Flatpack. More details for PDF-3C-525 can be seen below.