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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

0805Y1000221KFT Image
  • Part#:0805Y1000221KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 100V C0G/NP0 0805
  • In Stock:207555
$0.091/pcsRFQ
1812J0160121JCR Image
  • Part#:1812J0160121JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 16V C0G/NP0 1812
  • In Stock:83028
$0.246/pcsRFQ
1111Y500P800DQT Image
  • Part#:1111Y500P800DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.8PF 500V C0G/NP0 1111
  • In Stock:77794
$0.287/pcsRFQ
0603J1500300JQT Image
  • Part#:0603J1500300JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 30PF 150V C0G/NP0 0603
  • In Stock:178807
$0.121/pcsRFQ
0603J0100151KCR Image
  • Part#:0603J0100151KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 10V C0G/NP0 0603
  • In Stock:394796
$0.06/pcsRFQ
1808J1K00821MXT Image
  • Part#:1808J1K00821MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1KV X7R 1808
  • In Stock:143478
$0.161/pcsRFQ
1210J0500390FCR Image
  • Part#:1210J0500390FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 50V C0G/NP0 1210
  • In Stock:57211
$0.568/pcsRFQ
0603Y0630330GQT Image
  • Part#:0603Y0630330GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 63V C0G/NP0 0603
  • In Stock:77552
$0.268/pcsRFQ
1210J5000821JXT Image
  • Part#:1210J5000821JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 500V X7R 1210
  • In Stock:157101
$0.136/pcsRFQ
0603Y1500101FQT Image
  • Part#:0603Y1500101FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 150V C0G/NP0 0603
  • In Stock:59392
$0.336/pcsRFQ
0805Y2500561FFT Image
  • Part#:0805Y2500561FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 250V C0G/NP0 0805
  • In Stock:88354
$0.421/pcsRFQ
1206Y1K00221MER Image
  • Part#:1206Y1K00221MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1KV X7R 1206
  • In Stock:192976
$0.102/pcsRFQ
1206J0160393MDR Image
  • Part#:1206J0160393MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 16V X7R 1206
  • In Stock:201283
$0.116/pcsRFQ
0603J0160821KDR Image
  • Part#:0603J0160821KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 16V X7R 0603
  • In Stock:337729
$0.065/pcsRFQ
1206J2000183JDR Image
  • Part#:1206J2000183JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 200V X7R 1206
  • In Stock:151411
$0.152/pcsRFQ
2220J1000334KXR Image
  • Part#:2220J1000334KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 100V X7R 2220
  • In Stock:47729
$0.678/pcsRFQ
0805J1500301JQT Image
  • Part#:0805J1500301JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 300PF 150V C0G/NP0 0805
  • In Stock:79990
$0.245/pcsRFQ
1812Y4K00150GCT Image
  • Part#:1812Y4K00150GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 4KV C0G/NP0 1812
  • In Stock:64953
$0.352/pcsRFQ
2225J2K50220GCT Image
  • Part#:2225J2K50220GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 2.5KV C0G/NP0 2225
  • In Stock:29156
$1.143/pcsRFQ
0603J0161P80CCR Image
  • Part#:0603J0161P80CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 16V C0G/NP0 0603
  • In Stock:304245
$0.062/pcsRFQ
1206J2500123MDT Image
  • Part#:1206J2500123MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 250V X7R 1206
  • In Stock:174434
$0.121/pcsRFQ
0603J0160681JXT Image
  • Part#:0603J0160681JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 16V X7R 0603
  • In Stock:357196
$0.054/pcsRFQ
0603Y0630332MET Image
  • Part#:0603Y0630332MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 63V X7R 0603
  • In Stock:338352
$0.063/pcsRFQ
1206Y1K00820JAR Image
  • Part#:1206Y1K00820JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 1KV C0G/NP0 1206
  • In Stock:156748
$0.144/pcsRFQ
1210Y2000562MXT Image
  • Part#:1210Y2000562MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 200V X7R 1210
  • In Stock:150566
$0.156/pcsRFQ
1808Y1K50102MXR Image
  • Part#:1808Y1K50102MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1.5KV X7R 1808
  • In Stock:165105
$0.119/pcsRFQ
0603Y2000682JXT Image
  • Part#:0603Y2000682JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 200V X7R 0603
  • In Stock:339890
$0.068/pcsRFQ
0805J0630182JFT Image
  • Part#:0805J0630182JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 63V C0G/NP0 0805
  • In Stock:170543
$0.115/pcsRFQ
1206Y1000821FCR Image
  • Part#:1206Y1000821FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 100V C0G/NP0 1206
  • In Stock:63213
$0.315/pcsRFQ
2225Y5000183JFR Image
  • Part#:2225Y5000183JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 500V C0G 2225
  • In Stock:16877
$1.896/pcsRFQ
2220Y0630333GFT Image
  • Part#:2220Y0630333GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 63V C0G/NP0 2220
  • In Stock:12633
$2.566/pcsRFQ
0805J0630151KAT Image
  • Part#:0805J0630151KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 63V C0G/NP0 0805
  • In Stock:272215
$0.084/pcsRFQ
1210Y2500822MXR Image
  • Part#:1210Y2500822MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 250V X7R 1210
  • In Stock:132613
$0.148/pcsRFQ
2225J1K00392FCT Image
  • Part#:2225J1K00392FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1KV C0G/NP0 2225
  • In Stock:9575
$3.393/pcsRFQ
1808J2500562KXT Image
  • Part#:1808J2500562KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 250V X7R 1808
  • In Stock:179465
$0.128/pcsRFQ
1210Y0160182FCT Image
  • Part#:1210Y0160182FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 16V C0G/NP0 1210
  • In Stock:61085
$0.626/pcsRFQ
1206Y0630274KDR Image
  • Part#:1206Y0630274KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 63V X7R 1206
  • In Stock:132802
$0.173/pcsRFQ
1812Y0100822KCR Image
  • Part#:1812Y0100822KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 10V C0G/NP0 1812
  • In Stock:64311
$0.319/pcsRFQ
1210J0100472KXT Image
  • Part#:1210J0100472KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 10V X7R 1210
  • In Stock:146271
$0.152/pcsRFQ
0603J0100101MXT Image
  • Part#:0603J0100101MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 10V X7R 0603
  • In Stock:411916
$0.05/pcsRFQ
1812Y2500104JDR Image
  • Part#:1812Y2500104JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 250V X7R 1812
  • In Stock:62301
$0.555/pcsRFQ
0603Y2500152MXT Image
  • Part#:0603Y2500152MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 250V X7R 0603
  • In Stock:466792
$0.044/pcsRFQ
2225J0630221FFR Image
  • Part#:2225J0630221FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 63V C0G/NP0 2225
  • In Stock:8269
$4.275/pcsRFQ
1825J0250683MXT Image
  • Part#:1825J0250683MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 25V X7R 1825
  • In Stock:49183
$0.671/pcsRFQ
1808J5000181JDR Image
  • Part#:1808J5000181JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 500V X7R 1808
  • In Stock:82437
$0.284/pcsRFQ
1206J1000821JXR Image
  • Part#:1206J1000821JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 100V X7R 1206
  • In Stock:238926
$0.087/pcsRFQ
1206Y2500102MXT Image
  • Part#:1206Y2500102MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 250V X7R 1206
  • In Stock:232217
$0.084/pcsRFQ
0805Y0630101MET Image
  • Part#:0805Y0630101MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 63V X7R 0805
  • In Stock:281174
$0.08/pcsRFQ
1808J1000822GCR Image
  • Part#:1808J1000822GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 100V C0G/NP0 1808
  • In Stock:73025
$0.294/pcsRFQ
0505J0630820JQT Image
  • Part#:0505J0630820JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 63V C0G/NP0 0505
  • In Stock:113703
$0.199/pcsRFQ
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