The MC100EP195B from onsemi is a Delay Line with Frequency DC to 1.2 GHz, Delay 2.2 to 12.2 nS, Rise time 85 to 220 ps, Operating Temperature -40 to 85 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount, Programmable. More details for MC100EP195B can be seen below.