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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

1812Y1000220KAT Image
  • Part#:1812Y1000220KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 100V C0G/NP0 1812
  • In Stock:75910
$0.441/pcsRFQ
1808J1K20471MXR Image
  • Part#:1808J1K20471MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.2KV X7R 1808
  • In Stock:189604
$0.118/pcsRFQ
2225Y5000272JDT Image
  • Part#:2225Y5000272JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 500V X7R 2225
  • In Stock:24990
$1.245/pcsRFQ
1808J5000121KDR Image
  • Part#:1808J5000121KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 500V X7R 1808
  • In Stock:104902
$0.208/pcsRFQ
  • Part#:0805J2000151KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 200V X7R 0805
  • In Stock:296677
$0.073/pcsRFQ
2225Y0160562JFR Image
  • Part#:2225Y0160562JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 16V C0G/NP0 2225
  • In Stock:23138
$1.4/pcsRFQ
2220J2K00181FCR Image
  • Part#:2220J2K00181FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 2KV C0G/NP0 2220
  • In Stock:17870
$1.74/pcsRFQ
1206J1000681GCT Image
  • Part#:1206J1000681GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 100V C0G/NP0 1206
  • In Stock:143090
$0.165/pcsRFQ
  • Part#:1210Y0500151FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 50V C0G/NP0 1210
  • In Stock:46973
$0.727/pcsRFQ
1825Y6K00102MXT Image
  • Part#:1825Y6K00102MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 6KV X7R 1825
  • In Stock:81590
$0.416/pcsRFQ
1808Y0500562JCT Image
  • Part#:1808Y0500562JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 50V C0G/NP0 1808
  • In Stock:166204
$0.146/pcsRFQ
0505J0634P70BQT Image
  • Part#:0505J0634P70BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 63V C0G/NP0 0505
  • In Stock:62694
$0.354/pcsRFQ
  • Part#:1206Y5000681JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 500V X7R 1206
  • In Stock:233010
$0.103/pcsRFQ
1825J1K20331KXT Image
  • Part#:1825J1K20331KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1.2KV X7R 1825
  • In Stock:62884
$0.524/pcsRFQ
0805J1000560KFT Image
  • Part#:0805J1000560KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 100V C0G/NP0 0805
  • In Stock:260999
$0.082/pcsRFQ
2220J0250471KCT Image
  • Part#:2220J0250471KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 25V C0G/NP0 2220
  • In Stock:54896
$0.655/pcsRFQ
2220Y5000102KFT Image
  • Part#:2220Y5000102KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 500V C0G/NP0 2220
  • In Stock:42596
$0.858/pcsRFQ
0603J0630561JDR Image
  • Part#:0603J0630561JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 63V X7R 0603
  • In Stock:273924
$0.074/pcsRFQ
0603Y1000560FFT Image
  • Part#:0603Y1000560FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 100V C0G/NP0 0603
  • In Stock:93784
$0.254/pcsRFQ
1206Y0163P90BFR Image
  • Part#:1206Y0163P90BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 16V C0G/NP0 1206
  • In Stock:105257
$0.366/pcsRFQ
1206Y0160153FCR Image
  • Part#:1206Y0160153FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 16V C0G/NP0 1206
  • In Stock:56298
$0.532/pcsRFQ
1808Y2000221JXR Image
  • Part#:1808Y2000221JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 200V X7R 1808
  • In Stock:160408
$0.147/pcsRFQ
1825J0160273JCT Image
  • Part#:1825J0160273JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 16V C0G/NP0 1825
  • In Stock:35134
$0.929/pcsRFQ
1812Y2000391JAT Image
  • Part#:1812Y2000391JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 200V C0G/NP0 1812
  • In Stock:77764
$0.498/pcsRFQ
1206J063P500HQT Image
  • Part#:1206J063P500HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.5PF 63V C0G/NP0 1206
  • In Stock:62998
$0.304/pcsRFQ
2225Y2000333KDR Image
  • Part#:2225Y2000333KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 200V X7R 2225
  • In Stock:31266
$1.133/pcsRFQ
1808Y0160330GFR Image
  • Part#:1808Y0160330GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 16V C0G/NP0 1808
  • In Stock:69342
$0.272/pcsRFQ
1812YA250220FCTSY2 Image
  • Part#:1812YA250220FCTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 250V C0G/NP0 1812
  • In Stock:21975
$1.355/pcsRFQ
1812Y0500332KFR Image
  • Part#:1812Y0500332KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 50V C0G/NP0 1812
  • In Stock:89219
$0.429/pcsRFQ
0505J1000200GQT Image
  • Part#:0505J1000200GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 20PF 100V C0G/NP0 0505
  • In Stock:55893
$0.348/pcsRFQ
1808J0100123KCT Image
  • Part#:1808J0100123KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 10V C0G/NP0 1808
  • In Stock:133525
$0.179/pcsRFQ
1808Y2000471JCR Image
  • Part#:1808Y2000471JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 200V C0G/NP0 1808
  • In Stock:157930
$0.129/pcsRFQ
1812J1K00390GAR Image
  • Part#:1812J1K00390GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 1KV C0G/NP0 1812
  • In Stock:70799
$0.516/pcsRFQ
0603J0100100KCT Image
  • Part#:0603J0100100KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 10V C0G/NP0 0603
  • In Stock:321201
$0.069/pcsRFQ
1812J1K50120FCT Image
  • Part#:1812J1K50120FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1.5KV C0G/NP0 1812
  • In Stock:41476
$0.795/pcsRFQ
2225J0160221GFT Image
  • Part#:2225J0160221GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 16V C0G/NP0 2225
  • In Stock:15819
$2.419/pcsRFQ
0603J0160391JDT Image
  • Part#:0603J0160391JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 16V X7R 0603
  • In Stock:255954
$0.082/pcsRFQ
1808JA250391JXRSPU Image
  • Part#:1808JA250391JXRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V X7R 1808
  • In Stock:98162
$0.24/pcsRFQ
1206Y1K01P20CCR Image
  • Part#:1206Y1K01P20CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 1KV C0G/NP0 1206
  • In Stock:143903
$0.138/pcsRFQ
2211YA250331GCTSP Image
  • Part#:2211YA250331GCTSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 250V C0G/NP0 2211
  • In Stock:21711
$1.369/pcsRFQ
2220Y2000682GCT Image
  • Part#:2220Y2000682GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 200V C0G/NP0 2220
  • In Stock:19887
$1.612/pcsRFQ
1825J0160471JCR Image
  • Part#:1825J0160471JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 16V C0G/NP0 1825
  • In Stock:48898
$0.719/pcsRFQ
2220J2000333KXR Image
  • Part#:2220J2000333KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 200V X7R 2220
  • In Stock:60494
$0.608/pcsRFQ
1812J1000471KAR Image
  • Part#:1812J1000471KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 100V C0G/NP0 1812
  • In Stock:98455
$0.374/pcsRFQ
0603Y2000272MDR Image
  • Part#:0603Y2000272MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 200V X7R 0603
  • In Stock:345646
$0.063/pcsRFQ
1206J2503P90CCR Image
  • Part#:1206J2503P90CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 250V C0G/NP0 1206
  • In Stock:212447
$0.109/pcsRFQ
1825J0250100JCR Image
  • Part#:1825J0250100JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 25V C0G/NP0 1825
  • In Stock:39944
$0.797/pcsRFQ
1210J2000561GFR Image
  • Part#:1210J2000561GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 200V C0G/NP0 1210
  • In Stock:69902
$0.439/pcsRFQ
1808J0250823KDR Image
  • Part#:1808J0250823KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 25V X7R 1808
  • In Stock:121136
$0.194/pcsRFQ
1808Y0500183KDT Image
  • Part#:1808Y0500183KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 50V X7R 1808
  • In Stock:96561
$0.217/pcsRFQ
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