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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

1812JA250150FCTSY2 Image
  • Part#:1812JA250150FCTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 250V C0G/NP0 1812
  • In Stock:26853
$1.291/pcsRFQ
1812J0500564KDR Image
  • Part#:1812J0500564KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 50V X7R 1812
  • In Stock:65869
$0.501/pcsRFQ
1808J1K00181JXT Image
  • Part#:1808J1K00181JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1KV X7R 1808
  • In Stock:108562
$0.216/pcsRFQ
1808J5004P70DCT Image
  • Part#:1808J5004P70DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 500V C0G/NP0 1808
  • In Stock:130342
$0.152/pcsRFQ
0603Y1000182KDR Image
  • Part#:0603Y1000182KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 100V X7R 0603
  • In Stock:351977
$0.066/pcsRFQ
1808Y5000561GCR Image
  • Part#:1808Y5000561GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 500V C0G/NP0 1808
  • In Stock:101733
$0.221/pcsRFQ
1808J0100331GCT Image
  • Part#:1808J0100331GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 10V C0G/NP0 1808
  • In Stock:120092
$0.198/pcsRFQ
1206Y0250393MDT Image
  • Part#:1206Y0250393MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 25V X7R 1206
  • In Stock:185411
$0.124/pcsRFQ
1210J2000182GAR Image
  • Part#:1210J2000182GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 200V C0G/NP0 1210
  • In Stock:71314
$0.497/pcsRFQ
1812Y1K50272JXT Image
  • Part#:1812Y1K50272JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 1.5KV X7R 1812
  • In Stock:72348
$0.411/pcsRFQ
1111Y100P800DQT Image
  • Part#:1111Y100P800DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.8PF 100V C0G/NP0 1111
  • In Stock:72319
$0.281/pcsRFQ
2225Y1K50120FCR Image
  • Part#:2225Y1K50120FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1.5KV C0G/NP0 2225
  • In Stock:13147
$2.381/pcsRFQ
1812Y1000821GAR Image
  • Part#:1812Y1000821GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 100V C0G/NP0 1812
  • In Stock:47781
$0.798/pcsRFQ
  • Part#:1808Y2500820JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:184475
$0.104/pcsRFQ
0805Y2000111GQT Image
  • Part#:0805Y2000111GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 110PF 200V C0G/NP0 0805
  • In Stock:95304
$0.415/pcsRFQ
1808Y6300333MXT Image
  • Part#:1808Y6300333MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 630V X7R 1808
  • In Stock:95703
$0.234/pcsRFQ
1825Y5000391JXR Image
  • Part#:1825Y5000391JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V X7R 1825
  • In Stock:39417
$0.767/pcsRFQ
1808J2K00222JXR Image
  • Part#:1808J2K00222JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 2KV X7R 1808
  • In Stock:94618
$0.219/pcsRFQ
1812J4K00560GCR Image
  • Part#:1812J4K00560GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 4KV C0G/NP0 1812
  • In Stock:81056
$0.275/pcsRFQ
0805J0630271JXR Image
  • Part#:0805J0630271JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 63V X7R 0805
  • In Stock:389828
$0.06/pcsRFQ
2220Y6300182JCT Image
  • Part#:2220Y6300182JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 630V C0G/NP0 2220
  • In Stock:49453
$0.64/pcsRFQ
1825Y1K20683KXT Image
  • Part#:1825Y1K20683KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 1.2KV X7R 1825
  • In Stock:36722
$0.947/pcsRFQ
1206Y1000122FCT Image
  • Part#:1206Y1000122FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 100V C0G/NP0 1206
  • In Stock:84349
$0.389/pcsRFQ
0603Y0500471JER Image
  • Part#:0603Y0500471JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 50V X7R 0603
  • In Stock:270979
$0.073/pcsRFQ
1210Y1000151KFT Image
  • Part#:1210Y1000151KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 100V C0G/NP0 1210
  • In Stock:87854
$0.247/pcsRFQ
2220Y5000681JXR Image
  • Part#:2220Y5000681JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 500V X7R 2220
  • In Stock:49847
$0.605/pcsRFQ
1812J0250153KDT Image
  • Part#:1812J0250153KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 25V X7R 1812
  • In Stock:102409
$0.376/pcsRFQ
1808Y0100155KXT Image
  • Part#:1808Y0100155KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5UF 10V X7R 1808
  • In Stock:74105
$0.296/pcsRFQ
1808J0160561KFR Image
  • Part#:1808J0160561KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 16V C0G/NP0 1808
  • In Stock:145639
$0.165/pcsRFQ
0805Y0250391JCT Image
  • Part#:0805Y0250391JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 0805
  • In Stock:315334
$0.063/pcsRFQ
1206J2000333KXT Image
  • Part#:1206J2000333KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 200V X7R 1206
  • In Stock:197134
$0.11/pcsRFQ
1206J0630392JFR Image
  • Part#:1206J0630392JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 63V C0G/NP0 1206
  • In Stock:132053
$0.17/pcsRFQ
2225J6300182JCT Image
  • Part#:2225J6300182JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 630V C0G/NP0 2225
  • In Stock:48687
$0.75/pcsRFQ
1812J0500681KFR Image
  • Part#:1812J0500681KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 50V C0G/NP0 1812
  • In Stock:54784
$0.354/pcsRFQ
1210Y0160271KFT Image
  • Part#:1210Y0160271KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 16V C0G/NP0 1210
  • In Stock:89303
$0.247/pcsRFQ
2220Y0250473JCR Image
  • Part#:2220Y0250473JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 25V C0G/NP0 2220
  • In Stock:28290
$1.081/pcsRFQ
1210Y1005P60DCT Image
  • Part#:1210Y1005P60DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 100V C0G/NP0 1210
  • In Stock:98037
$0.212/pcsRFQ
2215YA250102FCRSP Image
  • Part#:2215YA250102FCRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 250V C0G/NP0 2215
  • In Stock:8646
$4.411/pcsRFQ
2225Y0630220KCT Image
  • Part#:2225Y0630220KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 63V C0G/NP0 2225
  • In Stock:37557
$0.878/pcsRFQ
1812Y2000683JXT Image
  • Part#:1812Y2000683JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 200V X7R 1812
  • In Stock:88761
$0.374/pcsRFQ
2225J6K00470FCT Image
  • Part#:2225J6K00470FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 6KV C0G/NP0 2225
  • In Stock:16369
$1.854/pcsRFQ
2220Y5K00122JXT Image
  • Part#:2220Y5K00122JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 5KV X7R 2220
  • In Stock:77774
$0.427/pcsRFQ
1812J3K00391FCT Image
  • Part#:1812J3K00391FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 3KV C0G/NP0 1812
  • In Stock:34858
$1.097/pcsRFQ
1206J0630103JAT Image
  • Part#:1206J0630103JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 63V C0G/NP0 1206
  • In Stock:95870
$0.233/pcsRFQ
0505Y0500160KQT Image
  • Part#:0505Y0500160KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 16PF 50V C0G/NP0 0505
  • In Stock:124618
$0.171/pcsRFQ
0505Y0630620KQT Image
  • Part#:0505Y0630620KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 62PF 63V C0G/NP0 0505
  • In Stock:128476
$0.167/pcsRFQ
0603J0500430KQT Image
  • Part#:0603J0500430KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 43PF 50V C0G/NP0 0603
  • In Stock:192674
$0.112/pcsRFQ
1206J2K01P20BQT Image
  • Part#:1206J2K01P20BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 2KV C0G/NP0 1206
  • In Stock:117829
$0.191/pcsRFQ
0805J0631P50DQT Image
  • Part#:0805J0631P50DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 63V C0G/NP0 0805
  • In Stock:124346
$0.155/pcsRFQ
1111J2K07P50DQT Image
  • Part#:1111J2K07P50DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 7.5PF 2KV C0G/NP0 1111
  • In Stock:59283
$0.322/pcsRFQ
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