The O-L25HXXXXYY-X –X-X from NEL Frequency Controls is a OCXO with Frequency 8 to 30 MHz, Supply Voltage 3.165 to 5.25 V, Output Power 5 to 7 dBm, Output Load 10KOhm//15pF, Phase Noise -168 to -160 dBc/Hz. Tags: Drop-in. More details for O-L25HXXXXYY-X –X-X can be seen below.