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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

1812Y1000680GAT Image
  • Part#:1812Y1000680GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 100V C0G/NP0 1812
  • In Stock:45644
$0.838/pcsRFQ
2220Y5K00332MXT Image
  • Part#:2220Y5K00332MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 5KV X7R 2220
  • In Stock:65288
$0.475/pcsRFQ
2225Y4K00391FCR Image
  • Part#:2225Y4K00391FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 4KV C0G/NP0 2225
  • In Stock:16342
$2.295/pcsRFQ
1808YA250820FCTPY2 Image
  • Part#:1808YA250820FCTPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 250V C0G/NP0 1808
  • In Stock:26492
$1.15/pcsRFQ
1812J4K00180KCR Image
  • Part#:1812J4K00180KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 4KV C0G/NP0 1812
  • In Stock:97741
$0.238/pcsRFQ
1210J2000120FAT Image
  • Part#:1210J2000120FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 200V C0G/NP0 1210
  • In Stock:37840
$0.876/pcsRFQ
  • Part#:1825J2000224MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:54158
$0.688/pcsRFQ
2220J0630563JXR Image
  • Part#:2220J0630563JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 63V X7R 2220
  • In Stock:40019
$0.755/pcsRFQ
1210J0630391JAR Image
  • Part#:1210J0630391JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 63V C0G/NP0 1210
  • In Stock:99974
$0.238/pcsRFQ
0805J1000152MDR Image
  • Part#:0805J1000152MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 100V X7R 0805
  • In Stock:291390
$0.078/pcsRFQ
0805Y2000121KDR Image
  • Part#:0805Y2000121KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 200V X7R 0805
  • In Stock:249694
$0.09/pcsRFQ
0603Y1002P70CAT Image
  • Part#:0603Y1002P70CAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 100V C0G/NP0 0603
  • In Stock:215174
$0.108/pcsRFQ
1206Y0630181GAR Image
  • Part#:1206Y0630181GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 63V C0G/NP0 1206
  • In Stock:101666
$0.222/pcsRFQ
2220J0160475MDT Image
  • Part#:2220J0160475MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7UF 16V X7R 2220
  • In Stock:22901
$1.532/pcsRFQ
0805J0500224MDR Image
  • Part#:0805J0500224MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 50V X7R 0805
  • In Stock:183388
$0.115/pcsRFQ
1206Y1000470GAR Image
  • Part#:1206Y1000470GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 100V C0G/NP0 1206
  • In Stock:92574
$0.208/pcsRFQ
2225Y0250224KCT Image
  • Part#:2225Y0250224KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 25V C0G/NP0 2225
  • In Stock:18560
$1.894/pcsRFQ
2225J5000332KDT Image
  • Part#:2225J5000332KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 500V X7R 2225
  • In Stock:40200
$0.828/pcsRFQ
1812Y5000680JFR Image
  • Part#:1812Y5000680JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 500V C0G/NP0 1812
  • In Stock:84930
$0.379/pcsRFQ
1812J2500392KCR Image
  • Part#:1812J2500392KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 250V C0G/NP0 1812
  • In Stock:71336
$0.295/pcsRFQ
1206J0630680JFT Image
  • Part#:1206J0630680JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 63V C0G/NP0 1206
  • In Stock:198926
$0.119/pcsRFQ
1210J0630392KFT Image
  • Part#:1210J0630392KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 63V C0G/NP0 1210
  • In Stock:85792
$0.264/pcsRFQ
  • Part#:1808Y0160561GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:122066
$0.16/pcsRFQ
  • Part#:2225Y1K50151KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:54658
$0.7/pcsRFQ
1206Y0160470FCR Image
  • Part#:1206Y0160470FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 16V C0G/NP0 1206
  • In Stock:69093
$0.273/pcsRFQ
0805Y0500270JFT Image
  • Part#:0805Y0500270JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 50V C0G/NP0 0805
  • In Stock:267081
$0.082/pcsRFQ
1825Y0160152JCT Image
  • Part#:1825Y0160152JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 16V C0G/NP0 1825
  • In Stock:42368
$0.854/pcsRFQ
1210J1K00392JXT Image
  • Part#:1210J1K00392JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1KV X7R 1210
  • In Stock:119114
$0.188/pcsRFQ
2220J2500183JXT Image
  • Part#:2220J2500183JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 250V X7R 2220
  • In Stock:45681
$0.764/pcsRFQ
0805J2500561KCR Image
  • Part#:0805J2500561KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 250V C0G/NP0 0805
  • In Stock:313052
$0.075/pcsRFQ
1808Y6300330JCR Image
  • Part#:1808Y6300330JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 630V C0G/NP0 1808
  • In Stock:133619
$0.14/pcsRFQ
0805J0251P00DCR Image
  • Part#:0805J0251P00DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 25V C0G/NP0 0805
  • In Stock:368472
$0.051/pcsRFQ
0603Y0631P80DCT Image
  • Part#:0603Y0631P80DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 63V C0G/NP0 0603
  • In Stock:385214
$0.052/pcsRFQ
1206Y2007P50HQT Image
  • Part#:1206Y2007P50HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 7.5PF 200V C0G/NP0 1206
  • In Stock:36931
$0.928/pcsRFQ
1206Y1000822KER Image
  • Part#:1206Y1000822KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 100V X7R 1206
  • In Stock:172483
$0.109/pcsRFQ
2220Y0250103KFR Image
  • Part#:2220Y0250103KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 25V C0G/NP0 2220
  • In Stock:34850
$1.103/pcsRFQ
1812Y0160103KFT Image
  • Part#:1812Y0160103KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 16V C0G/NP0 1812
  • In Stock:67666
$0.523/pcsRFQ
1825J1K20102KXT Image
  • Part#:1825J1K20102KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1.2KV X7R 1825
  • In Stock:74220
$0.525/pcsRFQ
1808J2000104KXR Image
  • Part#:1808J2000104KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 200V X7R 1808
  • In Stock:128450
$0.155/pcsRFQ
0505J0506P80HQT Image
  • Part#:0505J0506P80HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 50V C0G/NP0 0505
  • In Stock:36061
$1.08/pcsRFQ
2220J2000680KFT Image
  • Part#:2220J2000680KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 200V C0G/NP0 2220
  • In Stock:30498
$1.088/pcsRFQ
1812Y1000821GFR Image
  • Part#:1812Y1000821GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 100V C0G/NP0 1812
  • In Stock:42630
$0.8/pcsRFQ
1206Y2500151KDR Image
  • Part#:1206Y2500151KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 250V X7R 1206
  • In Stock:209212
$0.115/pcsRFQ
1206J0500560FCT Image
  • Part#:1206J0500560FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 50V C0G/NP0 1206
  • In Stock:78910
$0.277/pcsRFQ
0603J0500181KAT Image
  • Part#:0603J0500181KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 50V C0G/NP0 0603
  • In Stock:276978
$0.078/pcsRFQ
1812J0500183GCR Image
  • Part#:1812J0500183GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 50V C0G/NP0 1812
  • In Stock:64820
$0.602/pcsRFQ
1812Y0250682FFR Image
  • Part#:1812Y0250682FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 25V C0G/NP0 1812
  • In Stock:22072
$1.67/pcsRFQ
1206J0500621KQT Image
  • Part#:1206J0500621KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 620PF 50V C0G/NP0 1206
  • In Stock:62691
$0.33/pcsRFQ
2225Y2000102GFT Image
  • Part#:2225Y2000102GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 200V C0G/NP0 2225
  • In Stock:12215
$3.007/pcsRFQ
0805J2000360KUT Image
  • Part#:0805J2000360KUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 36PF 200V C0G/NP0 0805
  • In Stock:115552
$0.191/pcsRFQ
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