!Did you know Euroquartz are designers and manufacturers. Contact us for a list of our UK manufactured products.


  • A miniature 4 pad SMD TCXO (EM572T) or VCTCXO (VEM572T). Stability from ±0.5ppm. HCMOS square wave output. 
  • Frequency range: 1.25MHz to 40.0MHz
  • Supply voltage 2.5, 3.0 or 3.3 Volts

Typical Applications

  • For a CMOS TCXO from 40MHz to 156MHz see part EML572T.


Product Series Code TCXO: EM572T VCTCXO: VEM572T
Frequency Range: 1.25MHz to 40.0MHz
Output Waveform: Squarewave, HCMOS
Initial Calibration Tolerance: <±2.0ppm at +25°±2°C
Standard Frequencies: 10.0, 12.8, 13.0, 14.47456, 16.384, 19.2, 19.440, 19.68, 20.0, 25.0 and 27.0Mhz (partial list)
Frequency Stability vs. Ageing: ±1.0 ppm max. first year vs. Voltage Change: ±0.3 ppm max. ±5% change vs. Load Change: ±0.3 ppm max. ±10% change vs. Reflow: ±1.0ppm max. for one reflow (Measured after 24 hours) )
Supply Voltage: +2.5, +3.0 or +3.3V
Output Logic Levels: Logic High: 90% Vdd min. Logic Low: 10% Vdd ma
Rise and Fall Times: 10ns max
Duty Cycle: 50%±10% standard, 50%±5% option
Start-up Time: 5ms typ., 10ms max
Current Consumption at +2.5V supply: 10mA max. at +3.0V supply: 13mA max. at +3.3V supply: 13mA max. at +5.0V supply: 27mA max
Output Load: 15pF
Storage Temperature: -55~+125°C