Capacitors: 400Z-series


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400Z Series Precision Tolerance NPO RF Microwave Capacitors

ATC’s new 400Z Series Precision Tolerance, Thin Film, NPO RF Microwave Capacitor is manufactured with the highest quality materials to provide reliable and repeatable performance. The 400Z is constructed with a low loss silicon dioxide and silicon oxynitride dielectric along with high quality sputtered electrode materials to ensure superior performance.

High electrical and thermal conductivity and high stability over temperature make this device suitable for a variety of critical small and large signal RF and microwave applications. This Series offers the tightest tolerances available over a wide range of capacitance values.



  • EIA Case Size 0201
  • Capacitance Range 0.1 pF to 22 pF
  • Tolerances to ±0.02 pF
  • Ultra Stable Performance
  • RoHS Compliant / Lead-Free

Typical Applications

  • Filter Networks
  • Matching Networks
  • High Q Frequency Sources
  • Tuning
  • Coupling
  • Bypass and DC Blocking


  • Temperature coefficient of capacitance (TCC):
    0 ±30 PPM/°C (-55°C to +125°C) 0.1 to 3.9 pF
    0 ±60 PPM/°C (-55°C to +125°C) 4.0 to 22 pF
  • Insulation resistance (IR):
    10^4 Megohms min. @ +25°C at rated WVDC
  • Dielectric Withstanding Voltage (DWV):
    250% of rated WVDC for 5 secs.
  • Aging effects: None
  • Dielectric absorption: 0.01%
  • Operating Temperature Range:
    -55°C to +125°C (No derating of working voltage)

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