The ECS-TXO-32CSMV-400-BN-TR from ECS Inc. International is a TCXO with Frequency 40 MHz, Supply Voltage 1.7 to 3.465 V, Current 2.5 mA, Frequency Stability ±1 ppm, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount. More details for ECS-TXO-32CSMV-400-BN-TR can be seen below.