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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

0805Y2500221KXT Image
  • Part#:0805Y2500221KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V X7R 0805
  • In Stock:304343
$0.071/pcsRFQ
1825Y2K00221GCT Image
  • Part#:1825Y2K00221GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 2KV C0G/NP0 1825
  • In Stock:32944
$1.169/pcsRFQ
1206J1K00271JCT Image
  • Part#:1206J1K00271JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1KV C0G/NP0 1206
  • In Stock:181881
$0.107/pcsRFQ
2225Y0250392FFT Image
  • Part#:2225Y0250392FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 25V C0G/NP0 2225
  • In Stock:6076
$5.184/pcsRFQ
1812Y0500182JFT Image
  • Part#:1812Y0500182JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 50V C0G/NP0 1812
  • In Stock:77474
$0.458/pcsRFQ
1812Y4K00151MXT Image
  • Part#:1812Y4K00151MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 4KV X7R 1812
  • In Stock:72048
$0.292/pcsRFQ
1825Y0630183KCT Image
  • Part#:1825Y0630183KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 63V C0G/NP0 1825
  • In Stock:38623
$0.914/pcsRFQ
1206J2500473KDT Image
  • Part#:1206J2500473KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 250V X7R 1206
  • In Stock:111809
$0.178/pcsRFQ
1210J5000561JDT Image
  • Part#:1210J5000561JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 500V X7R 1210
  • In Stock:93943
$0.204/pcsRFQ
0805Y2500470GQT Image
  • Part#:0805Y2500470GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 250V C0G/NP0 0805
  • In Stock:65130
$0.334/pcsRFQ
0603Y2000100KCT Image
  • Part#:0603Y2000100KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 200V C0G/NP0 0603
  • In Stock:377204
$0.053/pcsRFQ
2225J1000154JXR Image
  • Part#:2225J1000154JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 100V X7R 2225
  • In Stock:46271
$0.84/pcsRFQ
0603Y0500181KFR Image
  • Part#:0603Y0500181KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 50V C0G/NP0 0603
  • In Stock:322681
$0.074/pcsRFQ
0603J2000272MDT Image
  • Part#:0603J2000272MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 200V X7R 0603
  • In Stock:363808
$0.064/pcsRFQ
1812J0500564MDT Image
  • Part#:1812J0500564MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 50V X7R 1812
  • In Stock:71773
$0.527/pcsRFQ
0505J1502P00HQT Image
  • Part#:0505J1502P00HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2PF 150V C0G/NP0 0505
  • In Stock:94758
$0.361/pcsRFQ
1808J2K00181JCT Image
  • Part#:1808J2K00181JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 2KV C0G/NP0 1808
  • In Stock:113516
$0.184/pcsRFQ
1808Y1K20821FCR Image
  • Part#:1808Y1K20821FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1.2KV C0G/NP0 1808
  • In Stock:42546
$0.728/pcsRFQ
1206J0500101JFT Image
  • Part#:1206J0500101JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 50V C0G/NP0 1206
  • In Stock:158762
$0.12/pcsRFQ
1812J0500822GAT Image
  • Part#:1812J0500822GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 50V C0G/NP0 1812
  • In Stock:36989
$0.805/pcsRFQ
1812Y0500470FAT Image
  • Part#:1812Y0500470FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 50V C0G/NP0 1812
  • In Stock:23649
$1.401/pcsRFQ
1206J0631P80CCR Image
  • Part#:1206J0631P80CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 63V C0G/NP0 1206
  • In Stock:175832
$0.11/pcsRFQ
1206J0100103KCR Image
  • Part#:1206J0100103KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 10V C0G/NP0 1206
  • In Stock:181395
$0.116/pcsRFQ
1210Y1K00182MDT Image
  • Part#:1210Y1K00182MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1KV X7R 1210
  • In Stock:130222
$0.183/pcsRFQ
0603Y0636P80DFT Image
  • Part#:0603Y0636P80DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 63V C0G/NP0 0603
  • In Stock:266980
$0.076/pcsRFQ
1808J2000472FFT Image
  • Part#:1808J2000472FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 200V C0G/NP0 1808
  • In Stock:24882
$1.312/pcsRFQ
1812JA250101GCRSY2 Image
  • Part#:1812JA250101GCRSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V C0G/NP0 1812
  • In Stock:40959
$0.733/pcsRFQ
2225Y1K20820GCT Image
  • Part#:2225Y1K20820GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 1.2KV C0G/NP0 2225
  • In Stock:20592
$1.554/pcsRFQ
2220Y5000102MDT Image
  • Part#:2220Y5000102MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 500V X7R 2220
  • In Stock:45532
$0.682/pcsRFQ
1812Y2000473MXT Image
  • Part#:1812Y2000473MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 200V X7R 1812
  • In Stock:79438
$0.299/pcsRFQ
0603Y0630820KQT Image
  • Part#:0603Y0630820KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 63V C0G/NP0 0603
  • In Stock:185515
$0.11/pcsRFQ
1812J1K50471FCT Image
  • Part#:1812J1K50471FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.5KV C0G/NP0 1812
  • In Stock:36721
$0.995/pcsRFQ
0805Y0500150GAT Image
  • Part#:0805Y0500150GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 50V C0G/NP0 0805
  • In Stock:151684
$0.15/pcsRFQ
1210J0505P60BCT Image
  • Part#:1210J0505P60BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 50V C0G/NP0 1210
  • In Stock:92194
$0.371/pcsRFQ
1210J2000561FAR Image
  • Part#:1210J2000561FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 200V C0G/NP0 1210
  • In Stock:34799
$0.862/pcsRFQ
0603Y0100101KCT Image
  • Part#:0603Y0100101KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 10V C0G/NP0 0603
  • In Stock:317623
$0.068/pcsRFQ
2220J5000223MDT Image
  • Part#:2220J5000223MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 500V X7R 2220
  • In Stock:66569
$0.577/pcsRFQ
1808J2500472FCT Image
  • Part#:1808J2500472FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 250V C0G/NP0 1808
  • In Stock:35127
$0.88/pcsRFQ
0603J0500101JFT Image
  • Part#:0603J0500101JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 50V C0G/NP0 0603
  • In Stock:257087
$0.073/pcsRFQ
1812Y0160470GCR Image
  • Part#:1812Y0160470GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 16V C0G/NP0 1812
  • In Stock:80119
$0.48/pcsRFQ
2211YA250181KCRSPU Image
  • Part#:2211YA250181KCRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V C0G/NP0 2211
  • In Stock:47608
$0.652/pcsRFQ
1206J6300180FAT Image
  • Part#:1206J6300180FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 630V C0G/NP0 1206
  • In Stock:91458
$0.403/pcsRFQ
2225J1K00333MDR Image
  • Part#:2225J1K00333MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 1KV X7R 2225
  • In Stock:34093
$0.966/pcsRFQ
0603J2500180FFR Image
  • Part#:0603J2500180FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 250V C0G/NP0 0603
  • In Stock:77949
$0.253/pcsRFQ
2225J2500104JDR Image
  • Part#:2225J2500104JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 250V X7R 2225
  • In Stock:26625
$1.229/pcsRFQ
1808J1K50271FCT Image
  • Part#:1808J1K50271FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1.5KV C0G/NP0 1808
  • In Stock:61842
$0.566/pcsRFQ
0805Y0630220KAR Image
  • Part#:0805Y0630220KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 63V C0G/NP0 0805
  • In Stock:320886
$0.074/pcsRFQ
1210Y5000393JXT Image
  • Part#:1210Y5000393JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 500V X7R 1210
  • In Stock:94796
$0.199/pcsRFQ
1206Y1K20270KCT Image
  • Part#:1206Y1K20270KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 1.2KV C0G/NP0 1206
  • In Stock:286512
$0.083/pcsRFQ
0505J3001P50HQT Image
  • Part#:0505J3001P50HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 300V C0G/NP0 0505
  • In Stock:58947
$0.337/pcsRFQ
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