GenRad 1408 Series Standard Capacitors

GenRad 1408 Series Standard Capacitors

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Photo represents example of series. See datasheet for more details on any specific model.

  • Ultra-high Stability Capacitor
  • 1 pF, 10 pF, and 100 pF
Priced at $0

Estimated Delivery is weeks

Repair/Calibration Quote Technical Support Request

These ultra-high-stability capacitors are suitable for calibration of standards requiring an uncertainty of parts in 107, such as the AH2700A.
The 1408 Standard Capacitor includes three standards: 1 pF, 10 pF, and 100 pF.

It maintains its own stability because it has a self-contained air-bath whose temperature is held constant



Capacitor Value



1 pF

400 Hz

± 10 ppm/year

1 kHz

± 4 ppm/year

10 pF

400 Hz

± 3 ppm/year

1 kHz

± 1 ppm/year

100 pF

400 Hz

± 3 ppm/year

1 kHz

± 1 ppm/year



Nominal values:

1 pF, 10 pF, 100 pF

Calibration Report:

SI traceable calibration data provided

Calibration Conditions:

At 30°C (air-bath temperature)

At 400 Hz & 1 kHz


Dissipation Factor: < 10-5 at 1 kHz

Max Voltage: 750 V

Air-Bath Characteristics:

Temperature: 30°C nominal with stability of 0.01°/year,
        <0.005°/hour is ambient temperature is kept within 1°C

Temperature coefficient: 0 + 0.05 ppm/°C from 17 to 29 °C
        ambient temperature; thermometer well provided for calibration


Connectors can be made to the front or the rear as your application dictates. A 12-volt input is provided to maintain a constant air-bath temperature even while the unit is in transit.


105 to 125 V or 210-250 V

50 to 60 Hz

5 W

12 V at 4 A for dc operation, battery connectors are provided on rear

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