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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

1812Y1K00121JAT Image
  • Part#:1812Y1K00121JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1KV C0G/NP0 1812
  • In Stock:91918
$0.412/pcsRFQ
2225Y1K50102KCR Image
  • Part#:2225Y1K50102KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1.5KV C0G 2225
  • In Stock:42901
$0.918/pcsRFQ
0805Y0100390KCT Image
  • Part#:0805Y0100390KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 10V C0G/NP0 0805
  • In Stock:391985
$0.056/pcsRFQ
2225Y0500183KDT Image
  • Part#:2225Y0500183KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 50V X7R 2225
  • In Stock:35080
$1.117/pcsRFQ
1206Y0500154MXT Image
  • Part#:1206Y0500154MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 50V X7R 1206
  • In Stock:183914
$0.116/pcsRFQ
0603Y0636P80BQT Image
  • Part#:0603Y0636P80BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 63V C0G/NP0 0603
  • In Stock:79366
$0.254/pcsRFQ
1825J4K00180JCR Image
  • Part#:1825J4K00180JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 4KV C0G/NP0 1825
  • In Stock:87308
$0.265/pcsRFQ
2220Y0500471FFT Image
  • Part#:2220Y0500471FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 50V C0G/NP0 2220
  • In Stock:9131
$3.978/pcsRFQ
1812Y2000221JFR Image
  • Part#:1812Y2000221JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 200V C0G/NP0 1812
  • In Stock:77663
$0.464/pcsRFQ
0505Y2007P50CQT Image
  • Part#:0505Y2007P50CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 7.5PF 200V C0G/NP0 0505
  • In Stock:88932
$0.229/pcsRFQ
1812J0500101JFR Image
  • Part#:1812J0500101JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 50V C0G/NP0 1812
  • In Stock:79770
$0.393/pcsRFQ
2220Y2K50122MXR Image
  • Part#:2220Y2K50122MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 2.5KV X7R 2220
  • In Stock:68014
$0.464/pcsRFQ
1825J6300153JXR Image
  • Part#:1825J6300153JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 630V X7R 1825
  • In Stock:51037
$0.722/pcsRFQ
1825Y1000270JCT Image
  • Part#:1825Y1000270JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 100V C0G/NP0 1825
  • In Stock:34601
$0.905/pcsRFQ
1111Y2007P50CQT Image
  • Part#:1111Y2007P50CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 7.5PF 200V C0G/NP0 1111
  • In Stock:84366
$0.408/pcsRFQ
1812Y6300561FCT Image
  • Part#:1812Y6300561FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 630V C0G/NP0 1812
  • In Stock:49200
$0.783/pcsRFQ
1210Y6300471KAT Image
  • Part#:1210Y6300471KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 630V C0G/NP0 1210
  • In Stock:119763
$0.194/pcsRFQ
1808Y6300680GCT Image
  • Part#:1808Y6300680GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 630V C0G/NP0 1808
  • In Stock:76531
$0.279/pcsRFQ
1808JA250101JCRPY2 Image
  • Part#:1808JA250101JCRPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V C0G/NP0 1808
  • In Stock:75319
$0.292/pcsRFQ
2220J5000101JFR Image
  • Part#:2220J5000101JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 500V C0G/NP0 2220
  • In Stock:44478
$0.744/pcsRFQ
1111J2K0P300HQT Image
  • Part#:1111J2K0P300HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.3PF 2KV C0G/NP0 1111
  • In Stock:73790
$0.511/pcsRFQ
2225Y0630103KCT Image
  • Part#:2225Y0630103KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 63V C0G/NP0 2225
  • In Stock:35584
$1.005/pcsRFQ
1808Y1000100JFT Image
  • Part#:1808Y1000100JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 100V C0G/NP0 1808
  • In Stock:60450
$0.328/pcsRFQ
0805Y0250682MXR Image
  • Part#:0805Y0250682MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 25V X7R 0805
  • In Stock:385072
$0.054/pcsRFQ
0603Y2000471MDR Image
  • Part#:0603Y2000471MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 200V X7R 0603
  • In Stock:361379
$0.059/pcsRFQ
1206Y2001P80CQT Image
  • Part#:1206Y2001P80CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 200V C0G/NP0 1206
  • In Stock:126996
$0.175/pcsRFQ
  • Part#:0603J1004P00CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 0603
  • In Stock:207942
$0.095/pcsRFQ
1808Y1K20102JXR Image
  • Part#:1808Y1K20102JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1.2KV X7R 1808
  • In Stock:160194
$0.147/pcsRFQ
1210Y2500331GCT Image
  • Part#:1210Y2500331GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 250V C0G/NP0 1210
  • In Stock:67700
$0.321/pcsRFQ
1206J0250394MXR Image
  • Part#:1206J0250394MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 25V X7R 1206
  • In Stock:178560
$0.119/pcsRFQ
1808J0250332JXT Image
  • Part#:1808J0250332JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 25V X7R 1808
  • In Stock:169662
$0.131/pcsRFQ
2220Y0100561FCR Image
  • Part#:2220Y0100561FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 10V C0G/NP0 2220
  • In Stock:11919
$2.698/pcsRFQ
0603J025P470CCT Image
  • Part#:0603J025P470CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47PF 25V C0G/NP0 0603
  • In Stock:337614
$0.062/pcsRFQ
1206Y0630391FQT Image
  • Part#:1206Y0630391FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 63V C0G/NP0 1206
  • In Stock:8670
$4.319/pcsRFQ
1808Y0160152FCR Image
  • Part#:1808Y0160152FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 16V C0G/NP0 1808
  • In Stock:66909
$0.349/pcsRFQ
2220Y0100102JCT Image
  • Part#:2220Y0100102JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 10V C0G/NP0 2220
  • In Stock:39536
$0.791/pcsRFQ
1812J0100185KXT Image
  • Part#:1812J0100185KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8UF 10V X7R 1812
  • In Stock:70213
$0.46/pcsRFQ
1808Y0100223GCR Image
  • Part#:1808Y0100223GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 10V C0G/NP0 1808
  • In Stock:78334
$0.382/pcsRFQ
1825Y2500271JCR Image
  • Part#:1825Y2500271JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 250V C0G/NP0 1825
  • In Stock:32239
$1.015/pcsRFQ
1825Y4K00271JCT Image
  • Part#:1825Y4K00271JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 4KV C0G/NP0 1825
  • In Stock:88211
$0.442/pcsRFQ
  • Part#:0603J0103P30BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 10V C0G/NP0 0603
  • In Stock:197657
$0.096/pcsRFQ
0805Y0501P00CQT Image
  • Part#:0805Y0501P00CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 50V C0G/NP0 0805
  • In Stock:150074
$0.15/pcsRFQ
0505J063P300HQT Image
  • Part#:0505J063P300HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.3PF 63V C0G/NP0 0505
  • In Stock:70861
$0.294/pcsRFQ
1206Y0160474KDR Image
  • Part#:1206Y0160474KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 16V X7R 1206
  • In Stock:110754
$0.2/pcsRFQ
0603J0501P80HQT Image
  • Part#:0603J0501P80HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 50V C0G/NP0 0603
  • In Stock:123933
$0.185/pcsRFQ
2225Y1K00472KDR Image
  • Part#:2225Y1K00472KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 1KV X7R 2225
  • In Stock:37635
$0.971/pcsRFQ
1825Y1000151JCT Image
  • Part#:1825Y1000151JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 100V C0G/NP0 1825
  • In Stock:36791
$0.877/pcsRFQ
0603Y2501P20DQT Image
  • Part#:0603Y2501P20DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 250V C0G/NP0 0603
  • In Stock:220494
$0.09/pcsRFQ
1808J6K00391KXT Image
  • Part#:1808J6K00391KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 6KV X7R 1808
  • In Stock:116162
$0.182/pcsRFQ
2225Y2K00330KCR Image
  • Part#:2225Y2K00330KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 2KV C0G/NP0 2225
  • In Stock:39943
$0.746/pcsRFQ
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