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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

2220J0500391GCR Image
  • Part#:2220J0500391GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 50V C0G/NP0 2220
  • In Stock:31150
$1.117/pcsRFQ
1812Y1K00221KCT Image
  • Part#:1812Y1K00221KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1KV C0G/NP0 1812
  • In Stock:78891
$0.299/pcsRFQ
1812J0500274MXR Image
  • Part#:1812J0500274MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 50V X7R 1812
  • In Stock:69986
$0.277/pcsRFQ
1210Y2000270KCT Image
  • Part#:1210Y2000270KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 200V C0G/NP0 1210
  • In Stock:130344
$0.178/pcsRFQ
0603J2500151KCR Image
  • Part#:0603J2500151KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 250V C0G/NP0 0603
  • In Stock:454287
$0.051/pcsRFQ
1825Y0500333JCT Image
  • Part#:1825Y0500333JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V C0G/NP0 1825
  • In Stock:29558
$1.053/pcsRFQ
1812Y0160152KCR Image
  • Part#:1812Y0160152KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 16V C0G/NP0 1812
  • In Stock:66881
$0.285/pcsRFQ
1825Y5000474MXT Image
  • Part#:1825Y5000474MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 500V X7R 1825
  • In Stock:23465
$1.281/pcsRFQ
1825Y0250684MXR Image
  • Part#:1825Y0250684MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 25V X7R 1825
  • In Stock:42497
$0.848/pcsRFQ
  • Part#:1812J2K00100FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1812
  • In Stock:42566
$0.755/pcsRFQ
1825Y0160123JCT Image
  • Part#:1825Y0160123JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 16V C0G/NP0 1825
  • In Stock:40955
$0.909/pcsRFQ
1825J2K50562KXT Image
  • Part#:1825J2K50562KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 2.5KV X7R 1825
  • In Stock:55303
$0.673/pcsRFQ
0805J1K01P80CCT Image
  • Part#:0805J1K01P80CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 1KV C0G/NP0 0805
  • In Stock:204670
$0.103/pcsRFQ
2220J1K00473KDT Image
  • Part#:2220J1K00473KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 1KV X7R 2220
  • In Stock:41605
$0.865/pcsRFQ
0603J2500220KCR Image
  • Part#:0603J2500220KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 250V C0G/NP0 0603
  • In Stock:440274
$0.049/pcsRFQ
0805Y0630331KDT Image
  • Part#:0805Y0630331KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 63V X7R 0805
  • In Stock:293176
$0.081/pcsRFQ
1210J0500180GAR Image
  • Part#:1210J0500180GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 50V C0G/NP0 1210
  • In Stock:74541
$0.428/pcsRFQ
2225Y5000333MXT Image
  • Part#:2225Y5000333MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 500V X7R 2225
  • In Stock:51592
$0.602/pcsRFQ
2220Y0250273MXT Image
  • Part#:2220Y0250273MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 25V X7R 2220
  • In Stock:54969
$0.695/pcsRFQ
2225J2000222JCT Image
  • Part#:2225J2000222JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 200V C0G/NP0 2225
  • In Stock:34354
$0.973/pcsRFQ
2225Y0500560GCR Image
  • Part#:2225Y0500560GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 50V C0G/NP0 2225
  • In Stock:23215
$1.6/pcsRFQ
0603J0160181MDR Image
  • Part#:0603J0160181MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 16V X7R 0603
  • In Stock:336007
$0.063/pcsRFQ
1206Y2K00101GCR Image
  • Part#:1206Y2K00101GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 2KV C0G/NP0 1206
  • In Stock:113969
$0.197/pcsRFQ
2220Y0630393JFR Image
  • Part#:2220Y0630393JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 63V C0G/NP0 2220
  • In Stock:22267
$1.394/pcsRFQ
1206J3000361FQT Image
  • Part#:1206J3000361FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 360PF 300V C0G/NP0 1206
  • In Stock:40064
$0.91/pcsRFQ
0603Y2000221KDR Image
  • Part#:0603Y2000221KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 200V X7R 0603
  • In Stock:390052
$0.06/pcsRFQ
2225Y2000123KFT Image
  • Part#:2225Y2000123KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 200V C0G 2225
  • In Stock:21216
$1.782/pcsRFQ
1812Y2500562GCR Image
  • Part#:1812Y2500562GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 250V C0G/NP0 1812
  • In Stock:45330
$0.707/pcsRFQ
1812J0630472KAR Image
  • Part#:1812J0630472KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 63V C0G/NP0 1812
  • In Stock:92601
$0.365/pcsRFQ
1210Y0250153KXT Image
  • Part#:1210Y0250153KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 25V X7R 1210
  • In Stock:153357
$0.154/pcsRFQ
1808Y1000123KCT Image
  • Part#:1808Y1000123KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 100V C0G 1808
  • In Stock:77347
$0.25/pcsRFQ
1206Y0500103JFR Image
  • Part#:1206Y0500103JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 50V C0G/NP0 1206
  • In Stock:85659
$0.231/pcsRFQ
1808J1K00103MXT Image
  • Part#:1808J1K00103MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 1KV X7R 1808
  • In Stock:115199
$0.185/pcsRFQ
1808J0630332FCR Image
  • Part#:1808J0630332FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 63V C0G/NP0 1808
  • In Stock:84765
$0.361/pcsRFQ
2225J1K00822FCR Image
  • Part#:2225J1K00822FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 1KV C0G/NP0 2225
  • In Stock:9299
$4.015/pcsRFQ
1210J2000181KFT Image
  • Part#:1210J2000181KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 200V C0G/NP0 1210
  • In Stock:89070
$0.247/pcsRFQ
2225J2500221KCR Image
  • Part#:2225J2500221KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V C0G/NP0 2225
  • In Stock:40638
$0.803/pcsRFQ
1206J1004P70DCR Image
  • Part#:1206J1004P70DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 100V C0G/NP0 1206
  • In Stock:277550
$0.078/pcsRFQ
0805J0250681FFR Image
  • Part#:0805J0250681FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 25V C0G/NP0 0805
  • In Stock:74919
$0.291/pcsRFQ
1210Y0164P70BCT Image
  • Part#:1210Y0164P70BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 16V C0G/NP0 1210
  • In Stock:89751
$0.385/pcsRFQ
0603Y2504P70HQT Image
  • Part#:0603Y2504P70HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 250V C0G/NP0 0603
  • In Stock:56559
$0.343/pcsRFQ
1210J0250180JFR Image
  • Part#:1210J0250180JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 25V C0G/NP0 1210
  • In Stock:77757
$0.244/pcsRFQ
2220Y4K00180KCT Image
  • Part#:2220Y4K00180KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 4KV C0G/NP0 2220
  • In Stock:78196
$0.309/pcsRFQ
2220J0160102GFR Image
  • Part#:2220J0160102GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 16V C0G/NP0 2220
  • In Stock:18098
$1.798/pcsRFQ
0805J2000560KFR Image
  • Part#:0805J2000560KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 200V C0G/NP0 0805
  • In Stock:275259
$0.076/pcsRFQ
1812J0500560FCR Image
  • Part#:1812J0500560FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 50V C0G/NP0 1812
  • In Stock:49049
$0.805/pcsRFQ
1808Y0160393GCR Image
  • Part#:1808Y0160393GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 16V C0G/NP0 1808
  • In Stock:62502
$0.533/pcsRFQ
0805J2501P50BCR Image
  • Part#:0805J2501P50BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 250V C0G/NP0 0805
  • In Stock:117020
$0.167/pcsRFQ
1210J0630474KXT Image
  • Part#:1210J0630474KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 63V X7R 1210
  • In Stock:89478
$0.246/pcsRFQ
0805Y2000510GQT Image
  • Part#:0805Y2000510GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 51PF 200V C0G/NP0 0805
  • In Stock:90681
$0.379/pcsRFQ
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