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Section I
Table 1-1 and Figure 1-1
Table 1-1.
Model 4440B
Specifications
—
Capacitance:
Dielectric:
Silvered mica for decade steps.
Direct Reading Accuracy:
+(0. 25% +3pF) at 1kHz for three-terminal
con-
nection: capacitance increase for two-terminal
connection is less than 1pF (nominal 0. 5pF).
Dissipation
Factor:
0.001 max at 1kHz above 1040pF.
*0. 005 max at 1kHz below 1040pF.
* For lowest decade only.
Resonant
Frequency:
Typical values of the resonant
frequency
are:
450kHz at 1uF,
4MHz at 0. 01uF,
and
40 MHz
at 100pF.
Insulation Resistance:
5 x 10? ohms
minimum,
after
5 minutes
at
500Vdc.
Maximum
Voltage:
500V peak
Operating Temperature:
ОС
- 65°C
Weight:
Approximately 5.5 lb.
(2. 5kg)
Dimensions:
ae
Figure 1-1,
Model 4440B Decade Capacitor
4440B-2
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