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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

2220Y0500682JCR Image
  • Part#:2220Y0500682JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 50V C0G/NP0 2220
  • In Stock:42061
$0.779/pcsRFQ
0805Y1000152FFR Image
  • Part#:0805Y1000152FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 100V C0G/NP0 0805
  • In Stock:68417
$0.452/pcsRFQ
1210J2000180FCR Image
  • Part#:1210J2000180FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 200V C0G/NP0 1210
  • In Stock:56947
$0.573/pcsRFQ
2225Y0500332JFR Image
  • Part#:2225Y0500332JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 50V C0G/NP0 2225
  • In Stock:22207
$1.43/pcsRFQ
1808J5000681FCT Image
  • Part#:1808J5000681FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 500V C0G/NP0 1808
  • In Stock:67586
$0.457/pcsRFQ
1808Y2500270FFR Image
  • Part#:1808Y2500270FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 250V C0G/NP0 1808
  • In Stock:57241
$0.555/pcsRFQ
1825Y5000561KCT Image
  • Part#:1825Y5000561KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 500V C0G/NP0 1825
  • In Stock:52892
$0.632/pcsRFQ
1210J1000183MDT Image
  • Part#:1210J1000183MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 100V X7R 1210
  • In Stock:99351
$0.208/pcsRFQ
1206Y0630272FAR Image
  • Part#:1206Y0630272FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 63V C0G/NP0 1206
  • In Stock:67313
$0.519/pcsRFQ
1812Y2000562JFR Image
  • Part#:1812Y2000562JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 200V C0G/NP0 1812
  • In Stock:64275
$0.586/pcsRFQ
1206J0160822KCR Image
  • Part#:1206J0160822KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 16V C0G/NP0 1206
  • In Stock:181709
$0.107/pcsRFQ
0603Y0500181KDR Image
  • Part#:0603Y0500181KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 50V X7R 0603
  • In Stock:373279
$0.063/pcsRFQ
1206Y2501P60HQT Image
  • Part#:1206Y2501P60HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.6PF 250V C0G/NP0 1206
  • In Stock:66128
$0.327/pcsRFQ
2225J0630390GFT Image
  • Part#:2225J0630390GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 63V C0G/NP0 2225
  • In Stock:16455
$2.08/pcsRFQ
1210Y2500102MDR Image
  • Part#:1210Y2500102MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 250V X7R 1210
  • In Stock:94772
$0.217/pcsRFQ
1808Y0500122JCR Image
  • Part#:1808Y0500122JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 50V C0G/NP0 1808
  • In Stock:181314
$0.116/pcsRFQ
2225J5000180GFT Image
  • Part#:2225J5000180GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 500V C0G/NP0 2225
  • In Stock:19180
$1.903/pcsRFQ
1210J0630391KFR Image
  • Part#:1210J0630391KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 63V C0G/NP0 1210
  • In Stock:88306
$0.229/pcsRFQ
1808J2K50150FCT Image
  • Part#:1808J2K50150FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 2.5KV C0G/NP0 1808
  • In Stock:75661
$0.483/pcsRFQ
1808Y0500333JCR Image
  • Part#:1808Y0500333JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V C0G/NP0 1808
  • In Stock:74024
$0.3/pcsRFQ
1825Y2500393JXT Image
  • Part#:1825Y2500393JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 250V X7R 1825
  • In Stock:35908
$1.007/pcsRFQ
1812Y0250270KCT Image
  • Part#:1812Y0250270KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 25V C0G/NP0 1812
  • In Stock:65674
$0.296/pcsRFQ
0603J2500560JQT Image
  • Part#:0603J2500560JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 250V C0G/NP0 0603
  • In Stock:157309
$0.129/pcsRFQ
1206J6301P80CCT Image
  • Part#:1206J6301P80CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 630V C0G/NP0 1206
  • In Stock:167365
$0.138/pcsRFQ
1812Y6300151GCR Image
  • Part#:1812Y6300151GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 630V C0G/NP0 1812
  • In Stock:73329
$0.433/pcsRFQ
1210J0630121JAT Image
  • Part#:1210J0630121JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 1210
  • In Stock:86420
$0.256/pcsRFQ
2220J3K00682JXT Image
  • Part#:2220J3K00682JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 3KV X7R 2220
  • In Stock:42225
$0.707/pcsRFQ
1206J1K03P30DAR Image
  • Part#:1206J1K03P30DAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 1000V C0G/NP0 1206
  • In Stock:161818
$0.122/pcsRFQ
1206J0630222KAR Image
  • Part#:1206J0630222KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 63V C0G/NP0 1206
  • In Stock:151385
$0.143/pcsRFQ
1206J2500182MDT Image
  • Part#:1206J2500182MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 250V X7R 1206
  • In Stock:214482
$0.09/pcsRFQ
2220Y1K50100FCR Image
  • Part#:2220Y1K50100FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 1.5KV C0G/NP0 2220
  • In Stock:19528
$1.755/pcsRFQ
2220J3K00102FCT Image
  • Part#:2220J3K00102FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 3KV C0G/NP0 2220
  • In Stock:14663
$2.387/pcsRFQ
1206J0500103JFT Image
  • Part#:1206J0500103JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 50V C0G/NP0 1206
  • In Stock:100166
$0.226/pcsRFQ
0603Y0250221GCR Image
  • Part#:0603Y0250221GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 25V C0G/NP0 0603
  • In Stock:201228
$0.108/pcsRFQ
1111J1K04P30DQT Image
  • Part#:1111J1K04P30DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.3PF 1KV C0G/NP0 1111
  • In Stock:64404
$0.322/pcsRFQ
1808YA250391FCTSPU Image
  • Part#:1808YA250391FCTSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V C0G/NP0 1808
  • In Stock:44111
$0.87/pcsRFQ
1825J1000184KXT Image
  • Part#:1825J1000184KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 100V X7R 1825
  • In Stock:46184
$0.737/pcsRFQ
1210Y0500273GCT Image
  • Part#:1210Y0500273GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 50V C0G/NP0 1210
  • In Stock:45497
$0.672/pcsRFQ
0805J1K00330KCR Image
  • Part#:0805J1K00330KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 1KV C0G/NP0 0805
  • In Stock:410336
$0.049/pcsRFQ
1808Y0160331JDR Image
  • Part#:1808Y0160331JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 16V X7R 1808
  • In Stock:112308
$0.173/pcsRFQ
2225J1K20270JCR Image
  • Part#:2225J1K20270JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 1.2KV C0G/NP0 2225
  • In Stock:42301
$0.732/pcsRFQ
0805J1500430JQT Image
  • Part#:0805J1500430JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 43PF 150V C0G/NP0 0805
  • In Stock:105199
$0.186/pcsRFQ
1210J2500473JXT Image
  • Part#:1210J2500473JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 250V X7R 1210
  • In Stock:102409
$0.223/pcsRFQ
2220Y0250225JDR Image
  • Part#:2220Y0250225JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2UF 25V X7R 2220
  • In Stock:18954
$2.078/pcsRFQ
1210J2000271JAT Image
  • Part#:1210J2000271JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 200V C0G/NP0 1210
  • In Stock:89124
$0.262/pcsRFQ
1825J2000682JCR Image
  • Part#:1825J2000682JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 200V C0G/NP0 1825
  • In Stock:45406
$0.86/pcsRFQ
2220Y5000100FFR Image
  • Part#:2220Y5000100FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 500V C0G/NP0 2220
  • In Stock:11432
$3.147/pcsRFQ
1812YA250391MXTPY2 Image
  • Part#:1812YA250391MXTPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V X7R 1812
  • In Stock:89355
$0.398/pcsRFQ
2220J5000474MXT Image
  • Part#:2220J5000474MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 500V X7R 2220
  • In Stock:37429
$0.859/pcsRFQ
1210J5000332KFR Image
  • Part#:1210J5000332KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 500V C0G/NP0 1210
  • In Stock:96562
$0.247/pcsRFQ
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