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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

1808J2500683KXR Image
  • Part#:1808J2500683KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 250V X7R 1808
  • In Stock:112368
$0.189/pcsRFQ
0805J0630620KQT Image
  • Part#:0805J0630620KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 62PF 63V C0G/NP0 0805
  • In Stock:111055
$0.198/pcsRFQ
2220J5K00560KCT Image
  • Part#:2220J5K00560KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 5KV C0G/NP0 2220
  • In Stock:71672
$0.294/pcsRFQ
2220Y2000274JXR Image
  • Part#:2220Y2000274JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 200V X7R 2220
  • In Stock:35307
$0.955/pcsRFQ
1210Y1000154KXR Image
  • Part#:1210Y1000154KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 100V X7R 1210
  • In Stock:104376
$0.209/pcsRFQ
1808Y0100390JCT Image
  • Part#:1808Y0100390JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 10V C0G/NP0 1808
  • In Stock:164801
$0.129/pcsRFQ
1206Y1K00221JFT Image
  • Part#:1206Y1K00221JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1KV C0G/NP0 1206
  • In Stock:117483
$0.163/pcsRFQ
0805Y0500124KXR Image
  • Part#:0805Y0500124KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 50V X7R 0805
  • In Stock:281150
$0.076/pcsRFQ
1206J6300102GAT Image
  • Part#:1206J6300102GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 630V C0G/NP0 1206
  • In Stock:66794
$0.286/pcsRFQ
2225J6K00471JXR Image
  • Part#:2225J6K00471JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 6KV X7R 2225
  • In Stock:77745
$0.428/pcsRFQ
0805J0630182GFR Image
  • Part#:0805J0630182GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 63V C0G/NP0 0805
  • In Stock:103406
$0.186/pcsRFQ
1210Y1K50470FCT Image
  • Part#:1210Y1K50470FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 1.5KV C0G/NP0 1210
  • In Stock:85424
$0.434/pcsRFQ
1812J0100682JCR Image
  • Part#:1812J0100682JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 10V C0G/NP0 1812
  • In Stock:75233
$0.277/pcsRFQ
0603J0253P90DCT Image
  • Part#:0603J0253P90DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 25V C0G/NP0 0603
  • In Stock:380067
$0.061/pcsRFQ
2225Y0100180FCR Image
  • Part#:2225Y0100180FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 10V C0G/NP0 2225
  • In Stock:11074
$3.495/pcsRFQ
1825J1K50681JXT Image
  • Part#:1825J1K50681JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1.5KV X7R 1825
  • In Stock:55476
$0.627/pcsRFQ
1812Y0500151FFT Image
  • Part#:1812Y0500151FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 50V C0G/NP0 1812
  • In Stock:22132
$1.519/pcsRFQ
1808J5K00221MXR Image
  • Part#:1808J5K00221MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 5KV X7R 1808
  • In Stock:149936
$0.147/pcsRFQ
1812Y0100333JCT Image
  • Part#:1812Y0100333JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 10V C0G/NP0 1812
  • In Stock:80442
$0.433/pcsRFQ
1210J0630150GAR Image
  • Part#:1210J0630150GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 63V C0G/NP0 1210
  • In Stock:85055
$0.421/pcsRFQ
2225Y1K50121GCR Image
  • Part#:2225Y1K50121GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1.5KV C0G/NP0 2225
  • In Stock:23756
$1.533/pcsRFQ
0603Y1003P90BCT Image
  • Part#:0603Y1003P90BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 100V C0G/NP0 0603
  • In Stock:152613
$0.148/pcsRFQ
2220Y4K00471FCT Image
  • Part#:2220Y4K00471FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 4KV C0G/NP0 2220
  • In Stock:19269
$1.989/pcsRFQ
0805Y0250472GFR Image
  • Part#:0805Y0250472GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 25V C0G/NP0 0805
  • In Stock:74573
$0.263/pcsRFQ
1210J0500102JCT Image
  • Part#:1210J0500102JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 50V C0G/NP0 1210
  • In Stock:118784
$0.178/pcsRFQ
0805Y2500910JQT Image
  • Part#:0805Y2500910JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 91PF 250V C0G/NP0 0805
  • In Stock:104379
$0.229/pcsRFQ
2220J1K20180GCT Image
  • Part#:2220J1K20180GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1.2KV C0G/NP0 2220
  • In Stock:44822
$0.817/pcsRFQ
2225J1K00272FFT Image
  • Part#:2225J1K00272FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 1KV C0G/NP0 2225
  • In Stock:11662
$3.189/pcsRFQ
0603J0630153MXT Image
  • Part#:0603J0630153MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 63V X7R 0603
  • In Stock:429490
$0.045/pcsRFQ
1206Y2000330KFR Image
  • Part#:1206Y2000330KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 200V C0G/NP0 1206
  • In Stock:165348
$0.115/pcsRFQ
1808Y2000182MXR Image
  • Part#:1808Y2000182MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 200V X7R 1808
  • In Stock:202079
$0.113/pcsRFQ
0805Y0630151KET Image
  • Part#:0805Y0630151KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 63V X7R 0805
  • In Stock:239049
$0.081/pcsRFQ
1206J2500122JXR Image
  • Part#:1206J2500122JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 250V X7R 1206
  • In Stock:255451
$0.092/pcsRFQ
1812Y0630334KXR Image
  • Part#:1812Y0630334KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 63V X7R 1812
  • In Stock:60122
$0.347/pcsRFQ
2225J0630182KFT Image
  • Part#:2225J0630182KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 63V C0G/NP0 2225
  • In Stock:31101
$1.229/pcsRFQ
1206Y0500154METE03 Image
  • Part#:1206Y0500154METE03
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 50V X7R 1206
  • In Stock:90121
$0.259/pcsRFQ
1808J1K00682KDR Image
  • Part#:1808J1K00682KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 1KV X7R 1808
  • In Stock:96790
$0.224/pcsRFQ
1206Y6302P70CAR Image
  • Part#:1206Y6302P70CAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 630V C0G/NP0 1206
  • In Stock:104667
$0.202/pcsRFQ
1812J2000470GCR Image
  • Part#:1812J2000470GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 200V C0G/NP0 1812
  • In Stock:76327
$0.417/pcsRFQ
0805Y0161P00DCT Image
  • Part#:0805Y0161P00DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 16V C0G/NP0 0805
  • In Stock:395901
$0.059/pcsRFQ
2225J5000473JXT Image
  • Part#:2225J5000473JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 500V X7R 2225
  • In Stock:49141
$0.699/pcsRFQ
2220Y2500150GFR Image
  • Part#:2220Y2500150GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 250V C0G/NP0 2220
  • In Stock:15978
$2.227/pcsRFQ
1210J0500680GFT Image
  • Part#:1210J0500680GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 50V C0G/NP0 1210
  • In Stock:74343
$0.441/pcsRFQ
2225Y2000124MXR Image
  • Part#:2225Y2000124MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 200V X7R 2225
  • In Stock:49143
$0.762/pcsRFQ
1808J0168P20DCT Image
  • Part#:1808J0168P20DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 16V C0G/NP0 1808
  • In Stock:160536
$0.149/pcsRFQ
1808Y1K50561KCT Image
  • Part#:1808Y1K50561KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1.5KV C0G/NP0 1808
  • In Stock:76904
$0.246/pcsRFQ
0603J0500102MXR Image
  • Part#:0603J0500102MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 50V X7R 0603
  • In Stock:557091
$0.043/pcsRFQ
  • Part#:1206Y2000270JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 200V C0G/NP0 1206
  • In Stock:208592
$0.102/pcsRFQ
1210J2000822KDR Image
  • Part#:1210J2000822KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 200V X7R 1210
  • In Stock:96263
$0.218/pcsRFQ
0805Y1000181MCRE03 Image
  • Part#:0805Y1000181MCRE03
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 100V C0G/NP0 0805
  • In Stock:89905
$0.21/pcsRFQ
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