T1235 EUROQUARTZ | Alldatasheet
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Technical content
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE EURO QUARTZ
DESCRIPTION
T1235 series TCXOs are packaged in the industry-standard 7x5mm miniature SMD format. The parts have a rugged construction, able to withstand high shock loads and has tight temperature stability. Very rugged construction TCXO Industry-standard 7x5mm miniature SMD format Tight tolerances over temperature from 0.28ppm Frequency 20MHz HCMOS output GENERAL SPECIFICATION Frequency: 20.0MHz Output: HCMOS or Clipped Sinewave Symmetry: 50%±10% (HCMOS) Output level: +0.2V max. to +2.8V min, 15pF load Initial Accuracy: ±0.5ppm at 25°C when shipped. Temperature Stability 0°C to +70°C: ±0.28pp m Frequency vs. Input V: ≤±0.1ppm Holdover Stability: ±0.37ppm max. Overall Stability: ±4.6ppm max over 15 years Ageing: ≤±0.04ppm/day; ≤±3ppm /15 years Frequency Adjust: None, set to nominal by factory Supply Voltage: +3.3VDC±5% Supply Current: <6mA Start-up Time: ≤10ms to reach proper output levels T1235 - OUTLINES AND DIMENSIONS T1235 - PART NUMBERING/ORDERING PROCEDURE Example: T1235 ENVIRONMENTAL Vibration: per MIL-STD-202G, Meth. 214, Cond. I-F Shock: per MIL-STD-202G, Meth. 213, Cond. F Rugged construction SMD TCXO T1235 TCXO 20.0MHz