Power Semiconductors

New Pulse Capacitor Combines High Dielectric Constant with Increased Stability

01 October 2018

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New Yorker Electronics is distributing the new Exxelia Temex CF/CFS series dielectric ceramic pulse chips capacitors with a printed resistor option. Designed for military and defense, these capacitors are ideal for charge and discharge applications and AC filtering for high-power radio frequency (RF).

It combines the high dielectric constant of an X7R dielectric with the stability of a negative-positive 0 ppm/° C (NP0) dielectric. With its low dissipation factor, the C4xx ceramic is recommended for AC line filtering for high-power RF and pulse applications.

Different models among the CFS stacked capacitors series have individual features. For example, the C series is an unleaded chip capacitor for surface mounting with optional tinning. The P, PL, L, R and RU models are dual in-line (DIL) or ribbon-leaded chip capacitors for surface mounting, recommended to eliminate thermomechanical stresses (R: varnished chips; RU: uncoated chips). The N and NU models are DIL leaded chip capacitors for through-hole circuits (N: varnished chips; NU: uncoated chips).

For both series, leaded chips are always marked; marking is available on request on unleaded chips. Both series offer high-reliability quality screening, available voltages between 500 V and 10,000 V and tolerances between 2% and 20%. Case sizes are available between 1812 and 16080 and terminations are surface-mount device DIL leaded. Different screen-printed resistor values are also available.

Features and benefits:

  • Pulse capacitor
  • Miniature high-voltage capacitor: 500 V to 10 kV
  • Temperature coefficient: -2,200 (+/- 500) ppm/° C
  • Multilayer chip ceramic capacitors
  • Size 1812 to 16080
  • C4xx dielectric
  • Capacitance range: 27 pF to 15 µF
  • Printed resistor option range: from 100 kΩ/sq to 1 GΩ/sq
  • Operating temperature: -55° C to 125° C

Applications:

  • Military and defense:
    • AC line filtering for high-power RF
    • Pulse applications

New Yorker Electronics is the franchise distributor of Exxelia Temex, a member of the Exxelia Group and supplies its full line of film, mica, tantalum, aluminum electrolytics and ceramic capacitors, as well as its EMI/RFI filters, magnetics, position sensors, slip rings and rotary joints.



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