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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

  • Part#:1808J0160680JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:228647
$0.104/pcsRFQ
1206Y0250270FFR Image
  • Part#:1206Y0250270FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 25V C0G/NP0 1206
  • In Stock:86718
$0.409/pcsRFQ
0805J2500473MXR Image
  • Part#:0805J2500473MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 250V X7R 0805
  • In Stock:244395
$0.077/pcsRFQ
1812Y1000470JAR Image
  • Part#:1812Y1000470JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 100V C0G/NP0 1812
  • In Stock:95709
$0.408/pcsRFQ
1210J1K00223KXT Image
  • Part#:1210J1K00223KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 1KV X7R 1210
  • In Stock:125551
$0.185/pcsRFQ
1206Y5000222MXR Image
  • Part#:1206Y5000222MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 500V X7R 1206
  • In Stock:354415
$0.063/pcsRFQ
1808J2000681KFT Image
  • Part#:1808J2000681KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 200V C0G/NP0 1808
  • In Stock:97429
$0.193/pcsRFQ
1210J1K00220JDR Image
  • Part#:1210J1K00220JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 1KV X7R 1210
  • In Stock:93378
$0.217/pcsRFQ
2220J2000220JCT Image
  • Part#:2220J2000220JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 200V C0G/NP0 2220
  • In Stock:41895
$0.789/pcsRFQ
0805Y1002P20BAR Image
  • Part#:0805Y1002P20BAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 100V C0G/NP0 0805
  • In Stock:76183
$0.261/pcsRFQ
1812Y1K00273MER Image
  • Part#:1812Y1K00273MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 1KV X7R 1812
  • In Stock:69863
$0.426/pcsRFQ
1808Y1K00561GCR Image
  • Part#:1808Y1K00561GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1KV C0G/NP0 1808
  • In Stock:84120
$0.264/pcsRFQ
1825Y0100475MXT Image
  • Part#:1825Y0100475MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7UF 10V X7R 1825
  • In Stock:26643
$1.257/pcsRFQ
0805J2500200KUT Image
  • Part#:0805J2500200KUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 20PF 250V C0G/NP0 0805
  • In Stock:126960
$0.178/pcsRFQ
1206Y0250121KDT Image
  • Part#:1206Y0250121KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 25V X7R 1206
  • In Stock:166078
$0.129/pcsRFQ
0805J0160333KXR Image
  • Part#:0805J0160333KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 16V X7R 0805
  • In Stock:302200
$0.064/pcsRFQ
1206Y0500270KFR Image
  • Part#:1206Y0500270KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 50V C0G/NP0 1206
  • In Stock:184345
$0.11/pcsRFQ
1210Y1K00100FCT Image
  • Part#:1210Y1K00100FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 1KV C0G/NP0 1210
  • In Stock:89792
$0.436/pcsRFQ
2220Y1K00221MDT Image
  • Part#:2220Y1K00221MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1KV X7R 2220
  • In Stock:44721
$0.78/pcsRFQ
1210Y5000682KER Image
  • Part#:1210Y5000682KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 500V X7R 1210
  • In Stock:154070
$0.152/pcsRFQ
0805Y0500821MXR Image
  • Part#:0805Y0500821MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 50V X7R 0805
  • In Stock:504688
$0.047/pcsRFQ
0505J2000300FQT Image
  • Part#:0505J2000300FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 30PF 200V C0G/NP0 0505
  • In Stock:32870
$0.947/pcsRFQ
1206J0100821JCR Image
  • Part#:1206J0100821JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 10V C0G/NP0 1206
  • In Stock:222368
$0.092/pcsRFQ
2220J2000330FCR Image
  • Part#:2220J2000330FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 200V C0G/NP0 2220
  • In Stock:14186
$2.717/pcsRFQ
1206J0500271KDR Image
  • Part#:1206J0500271KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 50V X7R 1206
  • In Stock:221320
$0.104/pcsRFQ
1812Y5000123KDR Image
  • Part#:1812Y5000123KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 500V X7R 1812
  • In Stock:94347
$0.387/pcsRFQ
2211YA250821MXRSP Image
  • Part#:2211YA250821MXRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 250V X7R 2211
  • In Stock:65488
$0.481/pcsRFQ
0805J2001P20BFR Image
  • Part#:0805J2001P20BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 200V C0G/NP0 0805
  • In Stock:83951
$0.248/pcsRFQ
1825Y1K20682MXR Image
  • Part#:1825Y1K20682MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 1.2KV X7R 1825
  • In Stock:67466
$0.547/pcsRFQ
2225Y1K20104KXT Image
  • Part#:2225Y1K20104KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 1.2KV X7R 2225
  • In Stock:29133
$1.326/pcsRFQ
0805J0250391KDT Image
  • Part#:0805J0250391KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V X7R 0805
  • In Stock:303290
$0.078/pcsRFQ
0805J0633P30CAT Image
  • Part#:0805J0633P30CAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 63V C0G/NP0 0805
  • In Stock:148275
$0.132/pcsRFQ
1210J0500824KDT Image
  • Part#:1210J0500824KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 50V X7R 1210
  • In Stock:80462
$0.461/pcsRFQ
1825J0630684MXR Image
  • Part#:1825J0630684MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 63V X7R 1825
  • In Stock:42508
$0.762/pcsRFQ
1206J2500270FCR Image
  • Part#:1206J2500270FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 250V C0G/NP0 1206
  • In Stock:83283
$0.284/pcsRFQ
1206J1K00680JQT Image
  • Part#:1206J1K00680JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 1KV C0G/NP0 1206
  • In Stock:91138
$0.255/pcsRFQ
2211JA250391KXTSPU Image
  • Part#:2211JA250391KXTSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V X7R 2211
  • In Stock:81128
$0.43/pcsRFQ
1825J2K00471FCT Image
  • Part#:1825J2K00471FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 2KV C0G/NP0 1825
  • In Stock:15894
$2.085/pcsRFQ
1210J1000334JXR Image
  • Part#:1210J1000334JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 100V X7R 1210
  • In Stock:75567
$0.282/pcsRFQ
0505J1500111FQT Image
  • Part#:0505J1500111FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 110PF 150V C0G/NP0 0505
  • In Stock:33194
$1.098/pcsRFQ
1808Y0250123MXR Image
  • Part#:1808Y0250123MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 25V X7R 1808
  • In Stock:123907
$0.171/pcsRFQ
2225Y0500331GFR Image
  • Part#:2225Y0500331GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 50V C0G/NP0 2225
  • In Stock:16137
$2.391/pcsRFQ
2225Y1K20682JCT Image
  • Part#:2225Y1K20682JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 1.2KV C0G 2225
  • In Stock:32109
$1.223/pcsRFQ
0603Y3000220FQT Image
  • Part#:0603Y3000220FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 300V C0G/NP0 0603
  • In Stock:71345
$0.274/pcsRFQ
0805Y1000120GFR Image
  • Part#:0805Y1000120GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 100V C0G/NP0 0805
  • In Stock:144083
$0.14/pcsRFQ
2225Y2K00182MXR Image
  • Part#:2225Y2K00182MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 2KV X7R 2225
  • In Stock:58029
$0.619/pcsRFQ
0805J5006P80BQT Image
  • Part#:0805J5006P80BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 500V C0G/NP0 0805
  • In Stock:65739
$0.349/pcsRFQ
2225Y0160221FCT Image
  • Part#:2225Y0160221FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 16V C0G/NP0 2225
  • In Stock:10648
$3.689/pcsRFQ
0505J0505P10HQT Image
  • Part#:0505J0505P10HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.1PF 50V C0G/NP0 0505
  • In Stock:47396
$0.741/pcsRFQ
1206Y0630332KAR Image
  • Part#:1206Y0630332KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 63V C0G/NP0 1206
  • In Stock:128761
$0.167/pcsRFQ
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