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The 1409 Capacitance Standard. Standard Capacitor.
High stability cost effective capacitance standards with low temperature coefficient, low losses and a wide range of values.

1409 Standard Capacitor

Model  Description 
1409  1409 Capacitance Standard. Capacitor Standard.

Adjustment Accuracy: within ±0.05% of nominal value.
Calibration Accuracy: 0.01% for 1 µF; 0.012% for 5 µF; 0.02% for 10 µF,
0.035% for 100µF; and 0.4% for 1000 µF
Stability: <0.01% per year.
Temperature Coefficient: <+35 ±10ppm for capacitance ≤1µF;
<-60±50 ppm/°C for capacitance of 10 µF;
<±110 ppm/°C for capacitance over 10 µF.
Operating Temperature: 10°C to 50°C.
Dissipation Factor: 0.01 µF - 1 µF: 0.0003 @ 1 kHz; 10 µF: 0.0005;
100µF: 0.001; 1000 µF: 0.002 @ 100 Hz and 120 Hz; 0.02 @ 1 kHz.
Series Inductance: Typically < 0.06 µH, 0.01 µF - 1µF.
Series Resistance @1 MHz: 0.02 Ω, 0.01 µF - 0.1 µF; 0.03 Ω, 1 µF.
Leakage Resistance: 5000 ohm-Farads or 100 GΩ, whichever is less.

1409 Standard Capacitor Specification
Model Value Accuracy Dissipation
Factor
(typical)
Maximum
Voltage**
(V)
 1409-F
 1409-L
 1409-T
 1409-Y
 1409-10µF
 1409-100µF
 1409-1000µF
 1409-X

 1 nF
 10 nF
 100 nF
 1 µF
 10µF
 100 µF
 1000 µF
 Custom


 ±0.05%
 ±0.05%
 ±0.05%
 ±0.05%
 ±0.02%
 ±0.04%
 ±0.4%
 *
 

 0.0003
 0.0003
 0.0003
 0.0003
 0.0005
 0.001
 0.001
 *



 500
 500
 500
 500
 44 Vrms+
 22 Vrms+
 22 Vrms+
 *


+ Maximum allowable Vrms; subject to maximum Vdc = 50 V and
max Vrms = (39000/f) for C = 10 µF;
(26000/f) for C = 19 µF;
(13000/f) for C ≥ 100 µF;
(9500/f) for C ≥ 1000 µF,
where f = frequency (in Hz).

* Depends on Custom value

** Peak up to 10 kHz.

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