*Settability via external capacitor; (<60 MHz only)
Temperature Stability
Improved accuracy/stability available on some models. For example, for ±7 ppm over 0°C to +50°C and for ±10ppm over 0°C to +70°C. Improvement is also available over wider temperature ranges. Please contact factory.
STANDARD:
0°C
to
+70°C:
±25 ppm
Option 1:
-55°C
to
+85°C:
±50 ppm
Option 2:
-55°C
to
+125°C:
±50 ppm
Option 5:
0°C
to
+50°C:
±5 ppm
Option 6:
0°C
to
+50°C:
±10 ppm
Option 7:
-55°C
to
+125°C:
±100 ppm
*Option 9:
-55°C
to
+200°C:
±300 ppm
(Option 9: above 20 MHz in CO-440 Series
*Specified stability includes initial accuracy: do not specify A,B,C,D or E accuracy.)
Class S screen test requirements include 24 hour additional bake-out, 80 hour additional burn-in, thermal shock, PIND test and radiographic inspection in addition to Class B Screening. Has major cost impact.
