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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

1210J2500222FCT Image
  • Part#:1210J2500222FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 250V C0G/NP0 1210
  • In Stock:51674
$0.734/pcsRFQ
0805Y3001P90HQT Image
  • Part#:0805Y3001P90HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.9PF 300V C0G/NP0 0805
  • In Stock:80577
$0.277/pcsRFQ
0805Y0500121GAR Image
  • Part#:0805Y0500121GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 50V C0G/NP0 0805
  • In Stock:170848
$0.141/pcsRFQ
1825Y1000222GCR Image
  • Part#:1825Y1000222GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 100V C0G/NP0 1825
  • In Stock:23260
$1.442/pcsRFQ
1206Y3000361JQT Image
  • Part#:1206Y3000361JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 360PF 300V C0G/NP0 1206
  • In Stock:84448
$0.277/pcsRFQ
2225J0500122GFT Image
  • Part#:2225J0500122GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 50V C0G/NP0 2225
  • In Stock:16060
$2.29/pcsRFQ
0805J2000273KXR Image
  • Part#:0805J2000273KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 200V X7R 0805
  • In Stock:259105
$0.075/pcsRFQ
1206J0500272KFR Image
  • Part#:1206J0500272KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 50V C0G/NP0 1206
  • In Stock:161965
$0.137/pcsRFQ
1206Y0500331JDT Image
  • Part#:1206Y0500331JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 50V X7R 1206
  • In Stock:156830
$0.143/pcsRFQ
1812Y3K00152KXT Image
  • Part#:1812Y3K00152KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 3KV X7R 1812
  • In Stock:55046
$0.347/pcsRFQ
1808J0100271MXR Image
  • Part#:1808J0100271MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 10V X7R 1808
  • In Stock:177184
$0.11/pcsRFQ
1210J2500331FCT Image
  • Part#:1210J2500331FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 250V C0G/NP0 1210
  • In Stock:49813
$0.607/pcsRFQ
1808J0630562KXT Image
  • Part#:1808J0630562KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 63V X7R 1808
  • In Stock:139579
$0.144/pcsRFQ
1206J0500821FQT Image
  • Part#:1206J0500821FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 50V C0G/NP0 1206
  • In Stock:35131
$0.994/pcsRFQ
2220Y0630681JCR Image
  • Part#:2220Y0630681JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 63V C0G/NP0 2220
  • In Stock:40693
$0.763/pcsRFQ
0603J0504P00DQT Image
  • Part#:0603J0504P00DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4PF 50V C0G/NP0 0603
  • In Stock:249131
$0.094/pcsRFQ
1812J1K50471MXT Image
  • Part#:1812J1K50471MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.5KV X7R 1812
  • In Stock:82557
$0.265/pcsRFQ
1812Y0500104KER Image
  • Part#:1812Y0500104KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 50V X7R 1812
  • In Stock:84702
$0.422/pcsRFQ
1825Y2K50471KCR Image
  • Part#:1825Y2K50471KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 2.5KV C0G/NP0 1825
  • In Stock:52168
$0.732/pcsRFQ
1210Y0500272JAT Image
  • Part#:1210Y0500272JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 50V C0G/NP0 1210
  • In Stock:84825
$0.28/pcsRFQ
2220J1K20681MXR Image
  • Part#:2220J1K20681MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1.2KV X7R 2220
  • In Stock:88431
$0.381/pcsRFQ
0603J0506P80CCR Image
  • Part#:0603J0506P80CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 50V C0G/NP0 0603
  • In Stock:285980
$0.069/pcsRFQ
1808J1000820KDT Image
  • Part#:1808J1000820KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 100V X7R 1808
  • In Stock:106939
$0.181/pcsRFQ
1825J0100822JCR Image
  • Part#:1825J0100822JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 10V C0G/NP0 1825
  • In Stock:50706
$0.753/pcsRFQ
1206J2000270FAT Image
  • Part#:1206J2000270FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 200V C0G/NP0 1206
  • In Stock:89175
$0.43/pcsRFQ
1206J1000470FFR Image
  • Part#:1206J1000470FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 100V C0G/NP0 1206
  • In Stock:89380
$0.395/pcsRFQ
1206Y2000270KFT Image
  • Part#:1206Y2000270KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 200V C0G/NP0 1206
  • In Stock:163357
$0.121/pcsRFQ
1206Y0630331KDT Image
  • Part#:1206Y0630331KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 63V X7R 1206
  • In Stock:183940
$0.112/pcsRFQ
  • Part#:0805Y2500120KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 250V C0G/NP0 0805
  • In Stock:265038
$0.073/pcsRFQ
0805J1000391JFR Image
  • Part#:0805J1000391JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 100V C0G/NP0 0805
  • In Stock:254234
$0.086/pcsRFQ
1825J0160472JCR Image
  • Part#:1825J0160472JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 16V C0G/NP0 1825
  • In Stock:43461
$0.753/pcsRFQ
1210J0500183GAT Image
  • Part#:1210J0500183GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 50V C0G/NP0 1210
  • In Stock:42692
$0.726/pcsRFQ
1206Y1000681MXT Image
  • Part#:1206Y1000681MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 100V X7R 1206
  • In Stock:287102
$0.078/pcsRFQ
0603J0250270KCR Image
  • Part#:0603J0250270KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 25V C0G/NP0 0603
  • In Stock:350814
$0.057/pcsRFQ
2225Y2500333JXT Image
  • Part#:2225Y2500333JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 250V X7R 2225
  • In Stock:37366
$0.945/pcsRFQ
2225Y0500562JFR Image
  • Part#:2225Y0500562JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 50V C0G/NP0 2225
  • In Stock:23357
$1.421/pcsRFQ
1812J1K00330KFT Image
  • Part#:1812J1K00330KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 1KV C0G/NP0 1812
  • In Stock:100514
$0.375/pcsRFQ
0603Y0250473KXR Image
  • Part#:0603Y0250473KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 25V X7R 0603
  • In Stock:364888
$0.051/pcsRFQ
1812Y5000391FFT Image
  • Part#:1812Y5000391FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V C0G/NP0 1812
  • In Stock:37447
$1.01/pcsRFQ
0805Y0100274JXT Image
  • Part#:0805Y0100274JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 10V X7R 0805
  • In Stock:173601
$0.118/pcsRFQ
0805Y2500181JUT Image
  • Part#:0805Y2500181JUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V C0G/NP0 0805
  • In Stock:68190
$0.293/pcsRFQ
1210J1000470FCT Image
  • Part#:1210J1000470FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 100V C0G/NP0 1210
  • In Stock:61881
$0.572/pcsRFQ
0805J0250821FCR Image
  • Part#:0805J0250821FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 25V C0G/NP0 0805
  • In Stock:114445
$0.193/pcsRFQ
1825Y4K00331KXT Image
  • Part#:1825Y4K00331KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 4KV X7R 1825
  • In Stock:65907
$0.328/pcsRFQ
1825J0160562FCR Image
  • Part#:1825J0160562FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 16V C0G/NP0 1825
  • In Stock:14398
$2.701/pcsRFQ
2220Y0500122JCR Image
  • Part#:2220Y0500122JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 50V C0G/NP0 2220
  • In Stock:48974
$0.774/pcsRFQ
2225Y2500120GFT Image
  • Part#:2225Y2500120GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 250V C0G/NP0 2225
  • In Stock:13267
$2.535/pcsRFQ
2225Y1000151KFR Image
  • Part#:2225Y1000151KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 100V C0G/NP0 2225
  • In Stock:30577
$1.26/pcsRFQ
1825J5000682MXR Image
  • Part#:1825J5000682MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 500V X7R 1825
  • In Stock:71151
$0.477/pcsRFQ
1812Y5000821JXT Image
  • Part#:1812Y5000821JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 500V X7R 1812
  • In Stock:72123
$0.304/pcsRFQ
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