The O-CS41-XXXXYZ-X-X-XX-X - from NEL Frequency Controls is a OCXO with Frequency 8 to 13 MHz, Supply Voltage 4.75 to 12.6 V, Output Power 10 to 13 dBm, Output Load 50 Ohm, Phase Noise -172 to -162 dBc/Hz. Tags: Surface Mount, Low G-Sensitivity. More details for O-CS41-XXXXYZ-X-X-XX-X - can be seen below.