SCA-190pF Capacitance Standard

SCA-190pF Capacitance Standard

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

  • Values 1 pF to 10,000 µF, custom values available
  • Stability as good as ±0.01 %/year
  • Two-to-five terminal configuration, depending on model
  • Excellent TC: as low as 10 ppm/°C
  • 3 year warranty included
Priced at $1,448

Estimated Delivery is 2 to 5 weeks

Repair/Calibration Quote Technical Support Request
  • Values 1 pF to 10,000 µF, custom values available
  • Stability as good as ±0.01% /year
  • Mechanically stabilized capacitors
  • Two-to-five terminal configuration, depending on model
  • Calibration accredited to ISO-17025 included
  • Excellent TC: as low as 10 ppm/°C
  • 3 year warranty included

 

The SCA Standard Capacitor series are highly stable cost-effective capacitance standards with low temperature coefficient, low losses and a wide range of values.  From 1 pF to 10 pF, these are made from precision air capacitors. Up to 1 µF, the standard capacitors are constructed of fixed mica capacitors of very high stability for use as two- or three-terminal reference or working standards in the laboratory. Above 1 µF they are made with hermetically sealed polypropylene sulfide,

Typical capacitors, observed over decades, have shown random fluctuations of less than + 0.01% in measured capacitance with no evidence of systemic drift.

BASIC SPECIFICATIONS
Calibration: A certificate of calibration that is accredited by A2LA to ISO-17025 is provided with each unit

  • Nominal value
    Model
    Adjustment to nominal
    Temperature coefficient(ppm/°C)
    Calibration* frequency
    Dissipation (typical)
    Stability(per year)
    Terminals
    Capacitor Type
    1 pF
    SCA-1pF
    ±0.1%
    +20 to +40
    1 kHz
    0.002
    ±0.1 pF
    2 bnc + gnd
    Air capacitors
    1.9 pF
    SCA-1.9pF
    ±0.1%
    +20 to +40
    1 kHz
    0.002
    ±0.1 pF
    2 bnc + gnd
    Air capacitors
    10 pF
    SCA-10pF
    ±0.1%
    +20 to +40
    1 kHz
    0.002
    ±0.1 pF
    2 bnc + gnd
    Air capacitors
    19 pF
    SCA-19pF
    ±0.1%
    +20 to +40
    1 kHz
    0.002
    ±0.1 pF
    2 bnc + gnd
    Silvered Mica
    100 pF
    SCA-100pF
    ±0.1 pF
    20
    1 kHz
    0.0005
    ±100 ppm
    2 bnc + gnd
    Silvered Mica
    190 pF
    SCA-190pF
    ±0.1 pF
    20
    1 kHz
    0.0005
    ±100 ppm
    2 bnc + gnd
    Silvered Mica
    1 nF
    SCA-1nF
    ±0.02%
    20
    1 kHz
    0.0003
    ±100 ppm 
    2 bp’s + gnd
    Silvered Mica
    1.9 nF
    SCA-1.9nF
    ±0.02%
    20
    1 kHz
    0.0003
    ±100 ppm 
    2 bp’s + gnd
    Silvered Mica
    10 nF
    SCA-10nF
    ±0.02%
    20
    1 kHz
    0.0003
    ±100 ppm
    2 bp’s + gnd
    Silvered Mica
    19 nF
    SCA-19nF
    ±0.02%
    20
    1 kHz
    0.0003
    ±100 ppm
    2 bp’s + gnd
    Silvered Mica
    100 nF
    SCA-100nF
    ±0.02%
    20
    1 kHz
    0.0003
    ±100 ppm
    2 bp’s + gnd
    Silvered Mica
    190 nF
    SCA-190nF
    ±0.02%
    20
    1 kHz
    0.0003
    ±100 ppm 
    2 bp’s + gnd
    Silvered Mica
    1 μF
    SCA-1μF
    ±0.02%
    20
    1 kHz
    0.0002
    ±100 ppm
    2 bp’s + gnd
    Silvered Mica
    1.9 μF
    SCA-1.9μF
    ±0.02%
    20
    1 kHz
    0.0002
    ±100 ppm
    4 bp’s + gnd
    Silvered Mica
    5 μF
    SCA-5μF
    ±0.02%
    ±50
    1 kHz
    0.0005
    ±200 ppm
    4 bp’s + gnd
    MPPS
    10 μF
    SCA-10μF
    ±0.04%
    ±50
    100 Hz
    0.0005
    ±200 ppm
    4 bp’s + gnd
    MPPS
    19 μF
    SCA-19μF
    ±0.04%
    ±50
    100 Hz
    0.0005
    ±200 ppm
    4 bp’s + gnd
    MPPS
    100 μF
    SCA-100μF
    ±0.05%
    ±50
    100 Hz
    0.001
    ±500 ppm
    4 bp’s + gnd
    MPPS
    190 μF
    SCA-190μF
    ±0.05%
    ±50
    100 Hz
    0.001
    ±500 ppm
    4 bp’s + gnd
    MPPS
    1,000 μF
    SCA-1000μF
    ±0.4%
    -150
    100 Hz
    0.001
    ±500 ppm
    4 bp’s + gnd
    MPPS
    5,000 μF
    SCA-5000μF
    ±2%
    -150
    100 Hz
    0.001
    -
    4 bp’s + gnd
    Polypropylene
    10,000 μF
    SCA-10000μF
    ±2%
    -150
    100 Hz
    0.001
    -
    4 bp’s + gnd
    Polypropylene
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