The KLP177350 from Konnect RF is a RF Surge Protector with Frequency DC to 512 MHz, Insertion Loss 0.1 to 0.2 dB, Operating Temperature -40 to 90 Degree C, Operating Voltage ±48 VDC (Through), Surge Current 30 to 100 kA. Tags: Gas Discharge Tube. More details for KLP177350 can be seen below.