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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

1812J5000332KCR Image
  • Part#:1812J5000332KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 500V C0G/NP0 1812
  • In Stock:81297
$0.245/pcsRFQ
1808Y5000220KCR Image
  • Part#:1808Y5000220KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 500V C0G/NP0 1808
  • In Stock:187435
$0.113/pcsRFQ
1825Y1K00152MXT Image
  • Part#:1825Y1K00152MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 1KV X7R 1825
  • In Stock:64784
$0.581/pcsRFQ
0603Y150P700CQT Image
  • Part#:0603Y150P700CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.7PF 150V C0G/NP0 0603
  • In Stock:229981
$0.085/pcsRFQ
1812J0160333JCR Image
  • Part#:1812J0160333JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 16V C0G/NP0 1812
  • In Stock:65897
$0.348/pcsRFQ
1206Y2500471KFT Image
  • Part#:1206Y2500471KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V C0G/NP0 1206
  • In Stock:156279
$0.151/pcsRFQ
0603Y1001P00BCT Image
  • Part#:0603Y1001P00BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 100V C0G/NP0 0603
  • In Stock:139230
$0.155/pcsRFQ
2225J3K00471KCT Image
  • Part#:2225J3K00471KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 3KV C0G/NP0 2225
  • In Stock:54071
$0.677/pcsRFQ
1812Y0100391FCR Image
  • Part#:1812Y0100391FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 10V C0G/NP0 1812
  • In Stock:35857
$0.981/pcsRFQ
1812J0630390GAT Image
  • Part#:1812J0630390GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 63V C0G/NP0 1812
  • In Stock:57747
$0.655/pcsRFQ
2220J1K20561JXR Image
  • Part#:2220J1K20561JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1.2KV X7R 2220
  • In Stock:58144
$0.525/pcsRFQ
1206Y1K00680JFT Image
  • Part#:1206Y1K00680JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 1KV C0G/NP0 1206
  • In Stock:128591
$0.153/pcsRFQ
0603Y1500510FQT Image
  • Part#:0603Y1500510FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 51PF 150V C0G/NP0 0603
  • In Stock:64256
$0.303/pcsRFQ
1808Y0250561JXR Image
  • Part#:1808Y0250561JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 25V X7R 1808
  • In Stock:179702
$0.12/pcsRFQ
1808Y2K00121MXR Image
  • Part#:1808Y2K00121MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 2KV X7R 1808
  • In Stock:127176
$0.155/pcsRFQ
1210Y1004P70CFT Image
  • Part#:1210Y1004P70CFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 100V C0G/NP0 1210
  • In Stock:90476
$0.363/pcsRFQ
1825Y1K00182KXT Image
  • Part#:1825Y1K00182KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1KV X7R 1825
  • In Stock:50830
$0.622/pcsRFQ
1210Y1000183MXR Image
  • Part#:1210Y1000183MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 100V X7R 1210
  • In Stock:133327
$0.141/pcsRFQ
1111J5000360GUT Image
  • Part#:1111J5000360GUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 36PF 500V C0G/NP0 1111
  • In Stock:5445
 RFQ
1808J0630564MXR Image
  • Part#:1808J0630564MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 63V X7R 1808
  • In Stock:120800
$0.18/pcsRFQ
0603J0630330FAT Image
  • Part#:0603J0630330FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 63V C0G/NP0 0603
  • In Stock:84030
$0.252/pcsRFQ
1812J1K00122JAT Image
  • Part#:1812J1K00122JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 1KV C0G/NP0 1812
  • In Stock:69016
$0.486/pcsRFQ
1812J1000682JCT Image
  • Part#:1812J1000682JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 100V C0G/NP0 1812
  • In Stock:61260
$0.321/pcsRFQ
2220Y1K00272JFR Image
  • Part#:2220Y1K00272JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 1KV C0G/NP0 2220
  • In Stock:43599
$0.896/pcsRFQ
1210J1K00152MXR Image
  • Part#:1210J1K00152MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 1KV X7R 1210
  • In Stock:194270
$0.108/pcsRFQ
1812Y2000151GCT Image
  • Part#:1812Y2000151GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 200V C0G/NP0 1812
  • In Stock:53293
$0.564/pcsRFQ
1210J1000100FCR Image
  • Part#:1210J1000100FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 100V C0G/NP0 1210
  • In Stock:60812
$0.558/pcsRFQ
0805J0500122GFR Image
  • Part#:0805J0500122GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 50V C0G/NP0 0805
  • In Stock:119609
$0.188/pcsRFQ
1210J1000822JCR Image
  • Part#:1210J1000822JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 100V C0G/NP0 1210
  • In Stock:90169
$0.239/pcsRFQ
1206J1505P10CQT Image
  • Part#:1206J1505P10CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.1PF 150V C0G/NP0 1206
  • In Stock:86898
$0.216/pcsRFQ
  • Part#:2220J1K00821JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1000V C0G/NP0 2220
  • In Stock:45784
$0.732/pcsRFQ
1812Y0500473JDR Image
  • Part#:1812Y0500473JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 50V X7R 1812
  • In Stock:59303
$0.508/pcsRFQ
1210J1000102KCT Image
  • Part#:1210J1000102KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 100V C0G/NP0 1210
  • In Stock:126688
$0.181/pcsRFQ
0603Y0250271GCT Image
  • Part#:0603Y0250271GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 25V C0G/NP0 0603
  • In Stock:165739
$0.115/pcsRFQ
1111Y1000750GQT Image
  • Part#:1111Y1000750GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 75PF 100V C0G/NP0 1111
  • In Stock:65180
$0.549/pcsRFQ
1206J2K01P20CCT Image
  • Part#:1206J2K01P20CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 2KV C0G/NP0 1206
  • In Stock:148679
$0.155/pcsRFQ
1808Y5006P80CFR Image
  • Part#:1808Y5006P80CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 500V C0G/NP0 1808
  • In Stock:69161
$0.318/pcsRFQ
0805J0250821KFR Image
  • Part#:0805J0250821KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 25V C0G/NP0 0805
  • In Stock:296288
$0.08/pcsRFQ
1206J2500680JCT Image
  • Part#:1206J2500680JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 250V C0G/NP0 1206
  • In Stock:253959
$0.086/pcsRFQ
0603J2000150JCR Image
  • Part#:0603J2000150JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 200V C0G/NP0 0603
  • In Stock:369104
$0.052/pcsRFQ
2220Y4K00181GCT Image
  • Part#:2220Y4K00181GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 4KV C0G/NP0 2220
  • In Stock:47899
$0.678/pcsRFQ
1812J0500683MDR Image
  • Part#:1812J0500683MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 50V X7R 1812
  • In Stock:68596
$0.348/pcsRFQ
  • Part#:0805J0500331GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 50V C0G/NP0 0805
  • In Stock:175211
$0.113/pcsRFQ
2220Y0160821KCT Image
  • Part#:2220Y0160821KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 16V C0G/NP0 2220
  • In Stock:44847
$0.778/pcsRFQ
2220J5000101GCR Image
  • Part#:2220J5000101GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 500V C0G/NP0 2220
  • In Stock:36932
$1.012/pcsRFQ
2220Y0250332FFR Image
  • Part#:2220Y0250332FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 25V C0G/NP0 2220
  • In Stock:9666
$3.929/pcsRFQ
1111Y5002P10HUT Image
  • Part#:1111Y5002P10HUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.1PF 500V C0G/NP0 1111
  • In Stock:5098
 RFQ
2220Y2000561JFR Image
  • Part#:2220Y2000561JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 200V C0G/NP0 2220
  • In Stock:27818
$1.195/pcsRFQ
1210J0500332JFT Image
  • Part#:1210J0500332JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 50V C0G/NP0 1210
  • In Stock:82803
$0.274/pcsRFQ
2225J5000270JCR Image
  • Part#:2225J5000270JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 500V C0G/NP0 2225
  • In Stock:53763
$0.671/pcsRFQ
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