The O-CS41-XXXXYZ-X-X-XX-X - FREQ 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 Ohms, Phase Noise -172 to -110 dBc/Hz. Tags: DIP, Low Phase Noise, Low G-Sensitivity. More details for O-CS41-XXXXYZ-X-X-XX-X - FREQ can be seen below.