3
1409 Series
3
Specifi cations
Frequency characteristics:
Figure 2-1: Change in capacitance as a function of
frequency
Dissipation characteristics
See fi gure 2-2 and table above.
Figure 2-2: Dissipation factor as a function of
frequency
Figure 2-3: Sample label attached to a 1409 unit
Capacitor Type:
Silvered mica and foil pile, spring-held in a
heavy metal clamping structure for mechanical stability.
Calibration:
Measured value is capacitance added when
standard is plugged directly into binding posts.
Stability:
<0.01% per year.
Temperature Coefficient of Capacitance:
+20 ppm/
o
C,
between 10
o
and 50
o
C.
Leakage Resistance:
5000 ohm-farads or 100 G
Ω
.
SCA CAPACITANCE STANDARD
www.ietlabs.com
IET LABS, INC.
IET LABS, INC.
IET LABS, INC.
IET LABS, INC.
IET LABS, INC.
formerly manufactured by
GenRad
Westbury, NY 11590
• (516) 334-5959 •
