Surface Mount VCTCXO ECVT400 Series Low Profile Low Current Consumption Excellent Stability 3V or 5V Supply Custom Options Parameter Frequency Range Temperature Stability Stability vs Supply Supply Voltage Supply Current Output Level Output Waveform Output Load Frequency Adjustment Pulling Range Control Voltage Aging ECVT400 12.80MHz to 19.68MHz +/-2.5ppm -100 to +60oC (A) -200 to +750C (B) -300 to +750C (C) +/-0.3ppm +5V (W) +3V (X) 2.0mA 0.8V p-p (min) Clipped Sine 10KΩ//10pF +/-3ppm min Specify Internal Trimmer +/-5.0ppm min 2.5V+/-1.0V (Vcc 5.0V) 1.5V+/-1.0V (Vcc 3.0V +/-1ppm / yr Part Numbering ECVT400 Z Type Output Z= Clipped Sine Frequency Supply Voltage W = 3V X = 5V Trimmer I = Internal Environmental & Mechanical Hunidity +400C +/-20C 90% RH for 200Hours Thermal Shock +850C for 30 mins -300C for 30 mins Vibration 10 - 55Hz 2mm amplitude 2 hours XYZ axis Soldering 235 +/-50c 2 Seconds +/-0.5 S Condition Specify Specify 19.44 W I Type All A 11.40 B 9.60 C 2.50 D 0.80 E 7.62 F 7.0 G 1.30 Dimensions in mm Pin 1 O/P 2 GND 3 Vc 4 Vdd 5 GND 6 GND ECM Electronics Limited, Penmaen House, Ashington, West Sussex, RH20 3JR, UK Tel: +44(0)1903 892810: Fax: +44(0)1903 892738. Email: [email protected] Although we have attempted to accurately reflect the products we market. ECM reserve the right without prior notice to discontinue any product or make design changes we believe necessary. Issue 2