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2220Y2K50391JCT
Part Number 2220Y2K50391JCT
Manufacturer Knowles Syfer
Description CAP CER 390PF 2.5KV C0G/NP0 2220
Quantity Available 127681 pcs new original in stock.
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Datasheets 1.2220Y2K50391JCT.pdf2.2220Y2K50391JCT.pdf
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Technical Information of 2220Y2K50391JCT
Manufacturer Part Number 2220Y2K50391JCT Category Capacitors
Manufacturer Knowles Syfer Description CAP CER 390PF 2.5KV C0G/NP0 2220
Package / Case 2220 (5750 Metric) Quantity Available 127681 pcs
Voltage - Rated 2500V (2.5kV) Tolerance ±5%
Thickness (Max) 0.098" (2.50mm) Temperature Coefficient C0G, NP0 (1B)
Size / Dimension 0.224" L x 0.197" W (5.70mm x 5.00mm) Series FlexiCap™
Ratings - Package / Case 2220 (5750 Metric)
Package Tape & Reel (TR) Operating Temperature -55°C ~ 125°C
Mounting Type Surface Mount, MLCC Lead Style -
Lead Spacing - Height - Seated (Max) -
Features Soft Termination Failure Rate -
Capacitance 390 pF Base Product Number 2220Y
Applications Boardflex Sensitive  
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Frequently Asked Questions

  • What capacitance value does the 2220Y2K50391JCT capacitor provide, and how does the 390 pF rating influence its role in high-voltage circuit filtering? The 2220Y2K50391JCT capacitor provides 390 pF with ±5% tolerance, allowing it to store and release charge efficiently in decoupling networks where precise energy storage helps suppress transients up to 2500V without excessive ripple.
  • How does the 2500V rated voltage of the 2220Y2K50391JCT support operation in power supply circuits with potential overvoltages? The 2500V rated voltage of the 2220Y2K50391JCT maintains dielectric integrity during brief excursions above nominal levels, making it appropriate for applications like switched-mode power supplies where voltage spikes could otherwise cause failure.
  • What temperature coefficient is implemented in the 2220Y2K50391JCT, and what does this imply for capacitance stability across its -55°C to 125°C operating range? The C0G/NP0 (1B) temperature coefficient in the 2220Y2K50391JCT results in near-zero capacitance shift over the full temperature span, preserving consistent impedance in designs exposed to thermal cycling such as outdoor industrial controls.
  • Why incorporate soft termination in the 2220Y2K50391JCT for environments that experience mechanical flexing? The soft termination in the 2220Y2K50391JCT reduces mechanical stress transferred to the solder joints, preventing microcracks that could arise from board deflection or repeated thermal expansion mismatches in flex-prone assemblies.
  • What are the physical dimensions of the 2220Y2K50391JCT, and how do the 5.70mm length and 5.00mm width affect layout density in surface mount boards? The 0.224" L x 0.197" W (5.70mm x 5.00mm) footprint of the 2220Y2K50391JCT occupies a compact area while accommodating the required electrode area for 390 pF, supporting tighter spacing in multi-layer boards without sacrificing capacitance.
  • How does the maximum thickness of 0.098" (2.50mm) for the 2220Y2K50391JCT influence its integration into low-profile designs? The 0.098" (2.50mm) thickness of the 2220Y2K50391JCT keeps overall assembly height minimal while still providing sufficient dielectric volume, which helps maintain voltage standoff margins in stacked or conformal-coated boards.
  • In what ways does the C0G/NP0 dielectric of the 2220Y2K50391JCT differ from X7R types in terms of loss and stability for precision applications? The C0G/NP0 dielectric of the 2220Y2K50391JCT exhibits minimal dissipation factor and temperature-induced drift compared to X7R, making it preferable for low-loss RF paths or oscillator timing circuits where signal integrity is paramount.
  • When migrating from a standard MLCC to the 2220Y2K50391JCT, what performance trade-offs should be considered regarding voltage rating versus package size? Upgrading to the 2220Y2K50391JCT may require careful recalibration of board real estate since the larger 2220 footprint can constrain placement of nearby passives, but the higher voltage rating often improves safety margins in industrial designs.
  • Is the soft termination and boardflex sensitive rating of the 2220Y2K50391JCT appropriate for consumer electronics with vibrating components? The soft termination combined with the boardflex sensitive application of the 2220Y2K50391JCT helps maintain long-term solder joint reliability in consumer products subject to mechanical shock or handheld device flexing.
  • How does the -55°C to 125°C operating temperature range of the 2220Y2K50391JCT support use in automotive electronics? The -55°C to 125°C range of the 2220Y2K50391JCT covers typical automotive thermal profiles, enabling consistent performance in under-hood or cabin environments without additional derating.
  • What packaging option is used for the 2220Y2K50391JCT, and how does it support high-volume manufacturing? The Tape & Reel (TR) packaging of the 2220Y2K50391JCT enables automated reel-to-reel handling during SMT lines, ensuring accurate placement and reducing manual intervention in production.
  • In comparison to a lower-tolerance capacitor, how does the ±5% tolerance of the 2220Y2K50391JCT affect circuit trimming requirements? The ±5% tolerance of the 2220Y2K50391JCT narrows the need for post-assembly trimming in filter banks, simplifying design margins for applications where capacitance accuracy directly impacts cutoff frequencies.
  • Can the 2220Y2K50391JCT serve in high-frequency decoupling roles within communication systems due to its C0G/NP0 characteristics? The C0G/NP0 characteristics of the 2220Y2K50391JCT deliver stable impedance across wider frequency bands, supporting effective high-frequency noise suppression in data transmission lines without significant phase shift.
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