75 South Street, Hopkinton, MA 01748 • 800-982-5737 • 508-435-6831 • FAX 508-497-6377 • www.valpeyfisher.com • RevB0511
3
VFOV203
OCXO – High Frequency, High Stability
HCMOS / SINEWAVE
Parameter Symbol Condition Min Typ Max Unit Note
Supply Break Down
Voltage Vcc -0.5 Vcc+20% V
Control Voltage Vc -1 9 V
Parameter Specification
Storage Temperature -60°C to +90°C
Humidity Hermetically Sealed
Mechanical Shock Per MIL-STD-202, 30g, half sine, 11ms
Vibration Per MIL-STD-202, 10g swept Sine to 2000Hz
Soldering Conditions 260C for 10s
Absolute Maximum Ratings
Environmental and Mechanical
Order
Code
Temperature
Range
Stability
1x10-7 5x10-8 2x10-8 1x10-8 5x10-9
A 0°C to 50°C
B 0°C to 70°C ◊
C -10°C to 60°C
D -20°C to 70°C ◊
E -30°C to 70°C ◊
G -40°C to 85°C ◊
◊ Only available below 30Mhz
Available Frequency Stabilities over Operating Temperature Ranges
How to Order
Package Dimensions (mm)
VFOV203 25.4 x 25.4
Code Specification
R 1x10-
T 5x10-
U 2x10-
V 1x10-
W 5x10-
Code Specification
A 0°C to 50°C
B 0°C to 70°C
C -10°C to 60°C
D -20°C to 70°C
E -30°C to 70°C
G -40°C to 85°C
Code Specification
D 5V ± 5%
E 3.3V± 5%
B 12V ± 5%
Code Per
day
Per
year
C 1ppb 0.1ppm
D 0.5ppb 50ppb
G 0.2ppb 30ppb
Code Specification
H HCMOS
S Sinewave
- -
Model
VFOV203
Stability Temperature Range Supply Voltage
ging Output
W D E C H
Frequency, MHz
10