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Home > Line Card > Knowles Syfer > Capacitors > Ceramic Capacitors
Knowles Syfer

Knowles Syfer

- Knowles Syfer (formerly Syfer Technology Limited) is a premier global manufacturer renowned for innovative application specific high-voltage, Hi-Q RF MLCCs and thru-hole/SMT EMI suppression filters. Our comprehensive product range includes; MLCCs include RF/Microwave/ultra-low ESR, high voltage to 12 k VDC, 250 VAC ratings, safety certified SMDs as well as space-grade parts. Our patented StackiCap™ is a unique capacitor assembly designed to achieve high capacitance and high voltage.
Syfer’s EMI filter lineup has SMD feed through capacitors rated to 3 A, SMD C and Pi filters rated to 20 A and X2Y® technology.
The broad Syfer AEC Q200 qualified family features both surface mount EMI filters and high-voltage MLCCs focused on the HEV and EV automotive market.
Worldwide manufacturing operations include a brand new facility in Suzhou, China, equipped with modern equipment to assure consistent, high quality products to meet the growing needs of our global markets.
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Product List

0505Y2508P20BQT Image
  • Part#:0505Y2508P20BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 250V C0G/NP0 0505
  • In Stock:65004
$0.487/pcsRFQ
0805Y5004P70DQT Image
  • Part#:0805Y5004P70DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 500V C0G/NP0 0805
  • In Stock:163445
$0.143/pcsRFQ
1206J1000151FFR Image
  • Part#:1206J1000151FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 100V C0G/NP0 1206
  • In Stock:92934
$0.422/pcsRFQ
1210Y2000563KXT Image
  • Part#:1210Y2000563KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 200V X7R 1210
  • In Stock:114590
$0.184/pcsRFQ
0603Y0160391FFT Image
  • Part#:0603Y0160391FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 16V C0G/NP0 0603
  • In Stock:74838
$0.299/pcsRFQ
1210J5000152FFR Image
  • Part#:1210J5000152FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 500V C0G/NP0 1210
  • In Stock:45637
$0.711/pcsRFQ
1808J0100180FCR Image
  • Part#:1808J0100180FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 10V C0G/NP0 1808
  • In Stock:98247
$0.393/pcsRFQ
1206Y1K00560GFR Image
  • Part#:1206Y1K00560GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 1KV C0G/NP0 1206
  • In Stock:82685
$0.25/pcsRFQ
1812J6300821KCR Image
  • Part#:1812J6300821KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 630V C0G/NP0 1812
  • In Stock:97587
$0.238/pcsRFQ
2220J1000224KDT Image
  • Part#:2220J1000224KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 100V X7R 2220
  • In Stock:35765
$1.002/pcsRFQ
1812J0250273MXR Image
  • Part#:1812J0250273MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 25V X7R 1812
  • In Stock:90208
$0.243/pcsRFQ
2225Y2500332GCT Image
  • Part#:2225Y2500332GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 250V C0G/NP0 2225
  • In Stock:15707
$1.975/pcsRFQ
0805Y1000120KAR Image
  • Part#:0805Y1000120KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 100V C0G/NP0 0805
  • In Stock:263424
$0.074/pcsRFQ
1210J2500103MDT Image
  • Part#:1210J2500103MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 250V X7R 1210
  • In Stock:96590
$0.223/pcsRFQ
1812Y0250184JXR Image
  • Part#:1812Y0250184JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 25V X7R 1812
  • In Stock:94841
$0.375/pcsRFQ
1206Y2500161JQT Image
  • Part#:1206Y2500161JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 160PF 250V C0G/NP0 1206
  • In Stock:95831
$0.215/pcsRFQ
2225J2K50122KXR Image
  • Part#:2225J2K50122KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 2.5KV X7R 2225
  • In Stock:39762
$0.825/pcsRFQ
1812J1000180GAT Image
  • Part#:1812J1000180GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 100V C0G/NP0 1812
  • In Stock:46486
$0.814/pcsRFQ
1206Y1000392GCT Image
  • Part#:1206Y1000392GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 100V C0G/NP0 1206
  • In Stock:74685
$0.268/pcsRFQ
1812Y0160151JFR Image
  • Part#:1812Y0160151JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 16V C0G/NP0 1812
  • In Stock:71049
$0.449/pcsRFQ
1206J0100333MXR Image
  • Part#:1206J0100333MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 10V X7R 1206
  • In Stock:257241
$0.076/pcsRFQ
1825J1K00222GCR Image
  • Part#:1825J1K00222GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 1KV C0G/NP0 1825
  • In Stock:28101
$1.06/pcsRFQ
1111J1500160FQT Image
  • Part#:1111J1500160FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 16PF 150V C0G/NP0 1111
  • In Stock:28670
$1.303/pcsRFQ
0603J1003P00CQT Image
  • Part#:0603J1003P00CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3PF 100V C0G/NP0 0603
  • In Stock:224325
$0.097/pcsRFQ
1812Y0250184KDT Image
  • Part#:1812Y0250184KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 25V X7R 1812
  • In Stock:73671
$0.492/pcsRFQ
  • Part#:1808J0630101KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:231612
$0.087/pcsRFQ
0603J300P500CQT Image
  • Part#:0603J300P500CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.5PF 300V C0G/NP0 0603
  • In Stock:271897
$0.084/pcsRFQ
1825Y0100223JXR Image
  • Part#:1825Y0100223JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 10V X7R 1825
  • In Stock:43648
$0.853/pcsRFQ
1210Y1K00222JET Image
  • Part#:1210Y1K00222JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 1KV X7R 1210
  • In Stock:91720
$0.253/pcsRFQ
1812Y2K50150KCT Image
  • Part#:1812Y2K50150KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 2.5KV C0G/NP0 1812
  • In Stock:75727
$0.311/pcsRFQ
0603Y2501P90DUT Image
  • Part#:0603Y2501P90DUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.9PF 250V C0G/NP0 0603
  • In Stock:191950
$0.104/pcsRFQ
1808J4K00221MXT Image
  • Part#:1808J4K00221MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 4KV X7R 1808
  • In Stock:141966
$0.162/pcsRFQ
1210Y0250122JFR Image
  • Part#:1210Y0250122JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 25V C0G/NP0 1210
  • In Stock:80579
$0.257/pcsRFQ
1812Y5000820JAR Image
  • Part#:1812Y5000820JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 500V C0G/NP0 1812
  • In Stock:101408
$0.371/pcsRFQ
2225J5000271FFR Image
  • Part#:2225J5000271FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 2225
  • In Stock:12371
$3.04/pcsRFQ
2225J2000223MDR Image
  • Part#:2225J2000223MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 200V X7R 2225
  • In Stock:41006
$0.961/pcsRFQ
1812Y1000394MDT Image
  • Part#:1812Y1000394MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 100V X7R 1812
  • In Stock:49657
$0.648/pcsRFQ
2220J0250391KFR Image
  • Part#:2220J0250391KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 2220
  • In Stock:39568
$0.902/pcsRFQ
2220Y0160220FFT Image
  • Part#:2220Y0160220FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 16V C0G/NP0 2220
  • In Stock:7433
$4.305/pcsRFQ
2225J2500562JFT Image
  • Part#:2225J2500562JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 250V C0G/NP0 2225
  • In Stock:22672
$1.603/pcsRFQ
2225Y5000120KFR Image
  • Part#:2225Y5000120KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 500V C0G/NP0 2225
  • In Stock:27889
$1.141/pcsRFQ
1206Y2500683MDR Image
  • Part#:1206Y2500683MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 250V X7R 1206
  • In Stock:115249
$0.17/pcsRFQ
2225Y6300682FCR Image
  • Part#:2225Y6300682FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 630V C0G/NP0 2225
  • In Stock:13766
$2.737/pcsRFQ
1210Y5000561JFT Image
  • Part#:1210Y5000561JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 500V C0G/NP0 1210
  • In Stock:111898
$0.201/pcsRFQ
1206J2K00110JQT Image
  • Part#:1206J2K00110JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 11PF 2KV C0G/NP0 1206
  • In Stock:110027
$0.22/pcsRFQ
1210J5000391GFR Image
  • Part#:1210J5000391GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V C0G/NP0 1210
  • In Stock:73740
$0.312/pcsRFQ
1812J5000392GFR Image
  • Part#:1812J5000392GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 500V C0G/NP0 1812
  • In Stock:51330
$0.645/pcsRFQ
  • Part#:0805Y1000821GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0805
  • In Stock:181747
$0.106/pcsRFQ
1808J1006P80DFT Image
  • Part#:1808J1006P80DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 100V C0G/NP0 1808
  • In Stock:64896
$0.309/pcsRFQ
0805J0634P00CQT Image
  • Part#:0805J0634P00CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4PF 63V C0G/NP0 0805
  • In Stock:152022
$0.156/pcsRFQ
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