Surface Mount VCTCXO
ECVT400 Series
Low Profile
Low Current Consumption
Excellent Stability
3V or 5V Supply
Custom Options
Parameter
ECVT400
12.80MHz to 19.68MHz
+/-2.5ppm -100 to +60oC (A)
-200 to +750C (B)
-300 to +750C (C)
+/-0.3ppm
Environmental & Mechanical
Frequency Range
Temperature
Stability
Specify
Specify
Hunidity
+400C +/-20C
90% RH for 200Hours
+850C for 30 mins
-300C for 30 mins
10 - 55Hz 2mm amplitude
2 hours XYZ axis
235 +/-50c
Thermal Shock
Vibration
Stability vs Supply
Supply Voltage
+5V (W)
Specify
+3V (X)
Soldering
Condition
2 Seconds +/-0.5 S
Supply Current
Output Level
Output Waveform
Output Load
2.0mA
0.8V p-p (min)
Clipped Sine
10KΩ//10pF
Frequency
+/-3ppm min
Internal
Adjustment
Trimmer
Pulling Range
Control Voltage
+/-5.0ppm min
2.5V+/-1.0V (Vcc 5.0V)
1.5V+/-1.0V (Vcc 3.0V
+/-1ppm / yr
Aging
Part Numbering ECVT400 Z 19.44 W
I
Type
A
B
C
D
E
F
G
All
11.40 9.60
2.50
0.80
7.62
7.0
1.30
Type
Dimensions in mm
Output
Z= Clipped Sine
Frequency
Supply Voltage
W = 3V X = 5V
Trimmer
Pin
1
2
3
4
5
6
O/P
GND
Vc
Vdd
GND
GND
I = Internal
ECM Electronics Limited, Penmaen House, Ashington, West Sussex, RH20 3JR, UK
Tel: +44(0)1903 892810: Fax: +44(0)1903 892738. Email: ecm@ecmelectronics.co.uk
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