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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

1825J2K50101JCT Image
  • Part#:1825J2K50101JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 2.5KV C0G/NP0 1825
  • In Stock:56993
$0.566/pcsRFQ
2220J4K00391GCR Image
  • Part#:2220J4K00391GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 4KV C0G/NP0 2220
  • In Stock:53690
$0.575/pcsRFQ
1812J2500220GFR Image
  • Part#:1812J2500220GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 250V C0G/NP0 1812
  • In Stock:52173
$0.668/pcsRFQ
1825Y6300472MXR Image
  • Part#:1825Y6300472MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 630V X7R 1825
  • In Stock:67619
$0.566/pcsRFQ
0603Y0500332MER Image
  • Part#:0603Y0500332MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 50V X7R 0603
  • In Stock:314013
$0.06/pcsRFQ
1210J0100822JXT Image
  • Part#:1210J0100822JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 10V X7R 1210
  • In Stock:117310
$0.181/pcsRFQ
1825J0250274KXT Image
  • Part#:1825J0250274KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 25V X7R 1825
  • In Stock:48731
$0.752/pcsRFQ
2225Y0500681FFR Image
  • Part#:2225Y0500681FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 50V C0G/NP0 2225
  • In Stock:5866
$5.071/pcsRFQ
2220Y5000273JDR Image
  • Part#:2220Y5000273JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 500V X7R 2220
  • In Stock:41257
$0.91/pcsRFQ
2225J0160124KDT Image
  • Part#:2225J0160124KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 16V X7R 2225
  • In Stock:28319
$1.148/pcsRFQ
0505Y150P300CQT Image
  • Part#:0505Y150P300CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.3PF 150V C0G/NP0 0505
  • In Stock:143797
$0.167/pcsRFQ
2225Y0630223GFR Image
  • Part#:2225Y0630223GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 63V C0G/NP0 2225
  • In Stock:11048
$3.226/pcsRFQ
1210Y0160183KCR Image
  • Part#:1210Y0160183KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 16V C0G/NP0 1210
  • In Stock:93442
$0.24/pcsRFQ
2225Y0500221FCT Image
  • Part#:2225Y0500221FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 50V C0G/NP0 2225
  • In Stock:11545
$3.206/pcsRFQ
1812Y3K00680FCT Image
  • Part#:1812Y3K00680FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 3KV C0G/NP0 1812
  • In Stock:44540
$0.845/pcsRFQ
2220J2500683JDT Image
  • Part#:2220J2500683JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 250V X7R 2220
  • In Stock:27583
$1.093/pcsRFQ
1206Y1K00272JDR Image
  • Part#:1206Y1K00272JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 1KV X7R 1206
  • In Stock:133717
$0.165/pcsRFQ
1210J1K50101GCT Image
  • Part#:1210J1K50101GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 1.5KV C0G/NP0 1210
  • In Stock:90253
$0.233/pcsRFQ
0805Y5000472MET Image
  • Part#:0805Y5000472MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 500V X7R 0805
  • In Stock:235179
$0.083/pcsRFQ
1206J1000160FQT Image
  • Part#:1206J1000160FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 16PF 100V C0G/NP0 1206
  • In Stock:40782
$0.933/pcsRFQ
1808Y1K00681JCR Image
  • Part#:1808Y1K00681JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1KV C0G/NP0 1808
  • In Stock:117970
$0.175/pcsRFQ
2220J0630181FFR Image
  • Part#:2220J0630181FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 63V C0G/NP0 2220
  • In Stock:7585
$3.96/pcsRFQ
1825Y0630683JCR Image
  • Part#:1825Y0630683JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 63V C0G/NP0 1825
  • In Stock:25527
$1.266/pcsRFQ
2220Y2000391FCR Image
  • Part#:2220Y2000391FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 200V C0G/NP0 2220
  • In Stock:13589
$2.637/pcsRFQ
0603J200P470CFR Image
  • Part#:0603J200P470CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47PF 200V C0G/NP0 0603
  • In Stock:231743
$0.103/pcsRFQ
0805J0500300FQT Image
  • Part#:0805J0500300FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 30PF 50V C0G/NP0 0805
  • In Stock:66133
$0.535/pcsRFQ
1808J5000102JFT Image
  • Part#:1808J5000102JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 500V C0G/NP0 1808
  • In Stock:92949
$0.247/pcsRFQ
1206J063P900BQT Image
  • Part#:1206J063P900BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.9PF 63V C0G/NP0 1206
  • In Stock:142110
$0.165/pcsRFQ
1210Y0500180KCT Image
  • Part#:1210Y0500180KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 50V C0G/NP0 1210
  • In Stock:136994
$0.165/pcsRFQ
1808J2000562KCT Image
  • Part#:1808J2000562KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 200V C0G/NP0 1808
  • In Stock:75504
$0.273/pcsRFQ
0805Y1000391MXTE03 Image
  • Part#:0805Y1000391MXTE03
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 100V X7R 0805
  • In Stock:102270
$0.224/pcsRFQ
1210J0160331JFR Image
  • Part#:1210J0160331JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 16V C0G/NP0 1210
  • In Stock:83625
$0.238/pcsRFQ
2220Y1000124KXR Image
  • Part#:2220Y1000124KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 100V X7R 2220
  • In Stock:44308
$0.705/pcsRFQ
0603J0504P70DFT Image
  • Part#:0603J0504P70DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 50V C0G/NP0 0603
  • In Stock:272928
$0.075/pcsRFQ
1812Y1K00120JAR Image
  • Part#:1812Y1K00120JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1KV C0G/NP0 1812
  • In Stock:76743
$0.429/pcsRFQ
1808Y2500101GFR Image
  • Part#:1808Y2500101GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V C0G/NP0 1808
  • In Stock:86494
$0.276/pcsRFQ
1808JA250151GCRSPU Image
  • Part#:1808JA250151GCRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 250V C0G/NP0 1808
  • In Stock:93861
$0.384/pcsRFQ
1206Y0630562FAR Image
  • Part#:1206Y0630562FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 63V C0G/NP0 1206
  • In Stock:50222
$0.605/pcsRFQ
1808J0160683KCT Image
  • Part#:1808J0160683KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 16V C0G/NP0 1808
  • In Stock:106153
$0.372/pcsRFQ
1206Y2001P20HQT Image
  • Part#:1206Y2001P20HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 200V C0G/NP0 1206
  • In Stock:79647
$0.301/pcsRFQ
2225Y2500823JXT Image
  • Part#:2225Y2500823JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 250V X7R 2225
  • In Stock:39187
$0.971/pcsRFQ
1812Y0160331FFR Image
  • Part#:1812Y0160331FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 16V C0G/NP0 1812
  • In Stock:20129
$1.502/pcsRFQ
1812Y0500562KAT Image
  • Part#:1812Y0500562KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 50V C0G/NP0 1812
  • In Stock:77837
$0.506/pcsRFQ
1808Y2500182JFT Image
  • Part#:1808Y2500182JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 250V C0G/NP0 1808
  • In Stock:83189
$0.267/pcsRFQ
1111Y1000820JQT Image
  • Part#:1111Y1000820JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 100V C0G/NP0 1111
  • In Stock:59331
$0.325/pcsRFQ
0805J1000102FCT Image
  • Part#:0805J1000102FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 100V C0G/NP0 0805
  • In Stock:76427
$0.254/pcsRFQ
0805Y3001P80BQT Image
  • Part#:0805Y3001P80BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 300V C0G/NP0 0805
  • In Stock:126123
$0.168/pcsRFQ
1812J0160824JDR Image
  • Part#:1812J0160824JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 16V X7R 1812
  • In Stock:58694
$0.623/pcsRFQ
1210J0250332FCR Image
  • Part#:1210J0250332FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 25V C0G/NP0 1210
  • In Stock:59782
$0.613/pcsRFQ
2220Y1K20150JCR Image
  • Part#:2220Y1K20150JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 1.2KV C0G/NP0 2220
  • In Stock:57569
$0.518/pcsRFQ
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