Datasheet

1© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard C1011_X7R_TIP_RING_SMD • 12/17/2018
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
One world. One KEMET
Benets
• –55°C to +125°C operating temperature range
• Lead (Pb)-free, RoHS and REACH compliant
• EIA 0603, 0805, 1206, 1210, 1812, 1825, 2220 and 2225
case sizes
• DC voltage rating of 250 V
• Capacitanceofferingsrangingfrom180pFto.47μF
• Available capacitance tolerances of ±5%, ±10% and ±20%
• Non-polar device, minimizing installation concerns
• 100%puremattetin-platedterminationnishthatallows
for excellent solderability
• SnPbterminationnishoptionavailableuponrequest
(5% Pb minimum)
• Flexibleterminationoptionavailableuponrequest
Overview
TheKEMET250VDCTipandRingMLCCsinX7Rdielectric
are designed and rated for telecommunication ringer
circuits,wherethecapacitorisusedtoblock–48to–52
VDC of line voltage and pass a 16 - 25 Hz AC signal pulse
of 70 Vrms to 90 Vrms. Serving as an excellent replacement
forhighvoltageleadedlmdevices,thesesmallersurface
mounttechnologyfootprintssavevaluableboardspace,
whichiscriticalwhencreatingnewdesigns.
TheKEMETTipandRingcapacitorsfeaturea125°C
maximum operating temperature and are considered
temperaturestable.TheElectronicsIndustriesAlliance
(EIA)characterizesX7RdielectricasaClassIImaterial.
Componentsofthisclassicationarexed,ceramicdielectric
capacitors suited for bypass and decoupling applications or
forfrequencydiscriminatingcircuits,whereQandstability
ofcapacitancecharacteristicsarenotcritical.X7Rdielectric
exhibitsapredictablechangeincapacitancewithrespectto
timeandvoltage,andboastsaminimalchangeincapacitance
withreferencetoambienttemperature.Capacitancechangeis
limited to ±15% from –55°C to +125°C.
Thesedevicesareabletowithstandtoday’shigherlead-
freereowprocessingtemperaturesandoffersuperiorhigh
frequencylteringcharacteristicsandlowESR.
SurfaceMountMultilayerCeramicChipCapacitors(SMDMLCCs)
Telecom Tip & Ring, X7R Dielectric, 250 VDC
(Commercial Grade)
Applications
Typicalapplicationsincludetelecommunicationringingcircuits,switchmodepowersupplysnubbercircuits,highvoltage
DCblockingandhighvoltagecoupling.Marketsincludetelephonelines,analoganddigitalmodems,facsimilemachines,
wirelessbasestations,cableanddigitalvideorecordingset-topboxes,satellitedishes,highvoltagepowersupply,DC/DC
converters,andEthernet,POSandATMhardware.
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