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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#:1808Y0160221MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:234721
$0.103/pcsRFQ
2220Y0630335KXR Image
  • Part#:2220Y0630335KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3UF 63V X7R 2220
  • In Stock:28275
$1.382/pcsRFQ
0603J0500391GAT Image
  • Part#:0603J0500391GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 50V C0G/NP0 0603
  • In Stock:129379
$0.149/pcsRFQ
2220Y1000681JFR Image
  • Part#:2220Y1000681JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 100V C0G/NP0 2220
  • In Stock:34110
$1.1/pcsRFQ
1206Y6300100FAR Image
  • Part#:1206Y6300100FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 630V C0G/NP0 1206
  • In Stock:87211
$0.392/pcsRFQ
0505J300P800DQT Image
  • Part#:0505J300P800DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.8PF 300V C0G/NP0 0505
  • In Stock:131046
$0.171/pcsRFQ
2220J1K00271KDT Image
  • Part#:2220J1K00271KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1KV X7R 2220
  • In Stock:48111
$0.722/pcsRFQ
1825Y2K50682MXR Image
  • Part#:1825Y2K50682MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 2.5KV X7R 1825
  • In Stock:46859
$0.709/pcsRFQ
2220J0500181JFR Image
  • Part#:2220J0500181JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 50V C0G/NP0 2220
  • In Stock:30546
$1.086/pcsRFQ
1808YA250561MXTSPU Image
  • Part#:1808YA250561MXTSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 250V X7R 1808
  • In Stock:103912
$0.23/pcsRFQ
2220J1000683JDT Image
  • Part#:2220J1000683JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 100V X7R 2220
  • In Stock:30724
$1.138/pcsRFQ
0805Y0160392GFR Image
  • Part#:0805Y0160392GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 16V C0G/NP0 0805
  • In Stock:80841
$0.242/pcsRFQ
0603Y016P820BFT Image
  • Part#:0603Y016P820BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82PF 16V C0G/NP0 0603
  • In Stock:126433
$0.182/pcsRFQ
1812Y2000471GAT Image
  • Part#:1812Y2000471GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 200V C0G/NP0 1812
  • In Stock:38186
$0.849/pcsRFQ
2220Y3K00270JCT Image
  • Part#:2220Y3K00270JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 3KV C0G/NP0 2220
  • In Stock:51721
$0.661/pcsRFQ
0805Y1K00102MXT Image
  • Part#:0805Y1K00102MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1KV X7R 0805
  • In Stock:337689
$0.07/pcsRFQ
1206J0630470KFT Image
  • Part#:1206J0630470KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 63V C0G/NP0 1206
  • In Stock:194619
$0.115/pcsRFQ
1812Y2500270JFT Image
  • Part#:1812Y2500270JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 250V C0G/NP0 1812
  • In Stock:89822
$0.422/pcsRFQ
2225J1000680KFR Image
  • Part#:2225J1000680KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 100V C0G/NP0 2225
  • In Stock:33342
$1.132/pcsRFQ
0603J0250150FFT Image
  • Part#:0603J0250150FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 25V C0G/NP0 0603
  • In Stock:60099
$0.348/pcsRFQ
1210J1000122JCR Image
  • Part#:1210J1000122JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 100V C0G/NP0 1210
  • In Stock:133735
$0.173/pcsRFQ
1206Y2500180FFT Image
  • Part#:1206Y2500180FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 250V C0G/NP0 1206
  • In Stock:88706
$0.436/pcsRFQ
2220J0100185JXT Image
  • Part#:2220J0100185JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8UF 10V X7R 2220
  • In Stock:36623
$0.935/pcsRFQ
0603Y0100152KCT Image
  • Part#:0603Y0100152KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 10V C0G/NP0 0603
  • In Stock:305244
$0.073/pcsRFQ
0805J3000330FQT Image
  • Part#:0805J3000330FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 300V C0G/NP0 0805
  • In Stock:66850
$0.529/pcsRFQ
0603Y1000220FFR Image
  • Part#:0603Y1000220FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 100V C0G/NP0 0603
  • In Stock:85617
$0.248/pcsRFQ
1808J1000334KDT Image
  • Part#:1808J1000334KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 100V X7R 1808
  • In Stock:81625
$0.37/pcsRFQ
1808J0500820FCR Image
  • Part#:1808J0500820FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 50V C0G/NP0 1808
  • In Stock:64871
$0.347/pcsRFQ
2220Y0630331JFR Image
  • Part#:2220Y0630331JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 63V C0G/NP0 2220
  • In Stock:23127
$1.307/pcsRFQ
2225J0160103GCR Image
  • Part#:2225J0160103GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 16V C0G/NP0 2225
  • In Stock:20436
$1.704/pcsRFQ
0805Y2000181FFR Image
  • Part#:0805Y2000181FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 200V C0G/NP0 0805
  • In Stock:101334
$0.365/pcsRFQ
0505Y1000111JQT Image
  • Part#:0505Y1000111JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 110PF 100V C0G/NP0 0505
  • In Stock:115558
$0.209/pcsRFQ
1812Y2K50151FCR Image
  • Part#:1812Y2K50151FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 2.5KV C0G/NP0 1812
  • In Stock:39604
$0.923/pcsRFQ
1825Y0630561FCR Image
  • Part#:1825Y0630561FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 63V C0G/NP0 1825
  • In Stock:13553
$2.806/pcsRFQ
2220Y2K00562JXR Image
  • Part#:2220Y2K00562JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 2KV X7R 2220
  • In Stock:48423
$0.752/pcsRFQ
0805Y2000821KDR Image
  • Part#:0805Y2000821KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 200V X7R 0805
  • In Stock:261425
$0.09/pcsRFQ
0603Y0630471KXR Image
  • Part#:0603Y0630471KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 63V X7R 0603
  • In Stock:521129
$0.044/pcsRFQ
2225J0160472KFT Image
  • Part#:2225J0160472KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 16V C0G/NP0 2225
  • In Stock:30137
$1.222/pcsRFQ
2225Y6300681KXT Image
  • Part#:2225Y6300681KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 630V X7R 2225
  • In Stock:37584
$0.841/pcsRFQ
0603J2500121MDR Image
  • Part#:0603J2500121MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 250V X7R 0603
  • In Stock:361927
$0.056/pcsRFQ
2220Y0500153KDR Image
  • Part#:2220Y0500153KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 50V X7R 2220
  • In Stock:30106
$1.009/pcsRFQ
1825Y1000564JXT Image
  • Part#:1825Y1000564JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 100V X7R 1825
  • In Stock:27139
$1.237/pcsRFQ
2220J0160392JFT Image
  • Part#:2220J0160392JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 16V C0G/NP0 2220
  • In Stock:31674
$1.002/pcsRFQ
1812Y0500272FCT Image
  • Part#:1812Y0500272FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 50V C0G/NP0 1812
  • In Stock:33862
$1.107/pcsRFQ
1812Y3K00681KXR Image
  • Part#:1812Y3K00681KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 3KV X7R 1812
  • In Stock:83301
$0.282/pcsRFQ
1812J0250681KFT Image
  • Part#:1812J0250681KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 25V C0G/NP0 1812
  • In Stock:101911
$0.38/pcsRFQ
1206J0253P90DFR Image
  • Part#:1206J0253P90DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 25V C0G/NP0 1206
  • In Stock:204433
$0.111/pcsRFQ
1210Y0500153GFR Image
  • Part#:1210Y0500153GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 50V C0G/NP0 1210
  • In Stock:48400
$0.69/pcsRFQ
1206Y0100100KCT Image
  • Part#:1206Y0100100KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 10V C0G/NP0 1206
  • In Stock:277406
$0.08/pcsRFQ
  • Part#:0603Y0500271JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 50V X7R 0603
  • In Stock:422926
$0.045/pcsRFQ
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