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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

0603J300P800HQT Image
  • Part#:0603J300P800HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.8PF 300V C0G/NP0 0603
  • In Stock:141639
$0.137/pcsRFQ
2220J1K00472GFR Image
  • Part#:2220J1K00472GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 1KV C0G/NP0 2220
  • In Stock:21109
$1.626/pcsRFQ
1812J0630393KDR Image
  • Part#:1812J0630393KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 63V X7R 1812
  • In Stock:58265
$0.357/pcsRFQ
1812Y0500470JFR Image
  • Part#:1812Y0500470JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 50V C0G/NP0 1812
  • In Stock:83618
$0.395/pcsRFQ
1808JA250821JXRSPU Image
  • Part#:1808JA250821JXRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 250V X7R 1808
  • In Stock:79002
$0.26/pcsRFQ
1812JA250330FCTSY2 Image
  • Part#:1812JA250330FCTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 250V C0G/NP0 1812
  • In Stock:27825
$1.237/pcsRFQ
0505Y0500430FQT Image
  • Part#:0505Y0500430FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 43PF 50V C0G/NP0 0505
  • In Stock:42874
$0.922/pcsRFQ
1210Y1000122KFT Image
  • Part#:1210Y1000122KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 100V C0G/NP0 1210
  • In Stock:69900
$0.278/pcsRFQ
2225Y5K00330KCT Image
  • Part#:2225Y5K00330KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 5KV C0G/NP0 2225
  • In Stock:80475
$0.434/pcsRFQ
1210J0250390FCR Image
  • Part#:1210J0250390FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 25V C0G/NP0 1210
  • In Stock:63727
$0.567/pcsRFQ
1808J2000120KFR Image
  • Part#:1808J2000120KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 200V C0G/NP0 1808
  • In Stock:102858
$0.187/pcsRFQ
1210J1000180JFR Image
  • Part#:1210J1000180JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 100V C0G/NP0 1210
  • In Stock:99463
$0.238/pcsRFQ
1808Y0630820KCR Image
  • Part#:1808Y0630820KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 63V C0G/NP0 1808
  • In Stock:202629
$0.112/pcsRFQ
1825Y0500562KCT Image
  • Part#:1825Y0500562KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 50V C0G/NP0 1825
  • In Stock:45400
$0.845/pcsRFQ
1210Y0630101FCT Image
  • Part#:1210Y0630101FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 63V C0G/NP0 1210
  • In Stock:50221
$0.598/pcsRFQ
1825J2000223GCR Image
  • Part#:1825J2000223GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 200V C0G 1825
  • In Stock:15728
$1.913/pcsRFQ
1808J4K00470FCR Image
  • Part#:1808J4K00470FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 4KV C0G/NP0 1808
  • In Stock:79739
$0.459/pcsRFQ
1206Y0630121GCR Image
  • Part#:1206Y0630121GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 1206
  • In Stock:137683
$0.151/pcsRFQ
1206J5000120FAT Image
  • Part#:1206J5000120FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 500V C0G/NP0 1206
  • In Stock:88217
$0.384/pcsRFQ
0603Y0100823JXR Image
  • Part#:0603Y0100823JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 10V X7R 0603
  • In Stock:359741
$0.067/pcsRFQ
2225J0160682KFR Image
  • Part#:2225J0160682KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 16V C0G/NP0 2225
  • In Stock:31583
$1.232/pcsRFQ
1210J5000561FCT Image
  • Part#:1210J5000561FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 500V C0G/NP0 1210
  • In Stock:87367
$0.439/pcsRFQ
2225J0630224KCT Image
  • Part#:2225J0630224KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 63V C0G/NP0 2225
  • In Stock:19086
$1.786/pcsRFQ
0505J300P800CQT Image
  • Part#:0505J300P800CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.8PF 300V C0G/NP0 0505
  • In Stock:112199
$0.172/pcsRFQ
2220Y1K00120JFR Image
  • Part#:2220Y1K00120JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1KV C0G/NP0 2220
  • In Stock:49571
$0.784/pcsRFQ
1812YA250471JXTPY2 Image
  • Part#:1812YA250471JXTPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V X7R 1812
  • In Stock:81234
$0.483/pcsRFQ
0603Y1001P20DCT Image
  • Part#:0603Y1001P20DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 100V C0G/NP0 0603
  • In Stock:446842
$0.051/pcsRFQ
1206Y2500102JCT Image
  • Part#:1206Y2500102JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 250V C0G/NP0 1206
  • In Stock:206616
$0.108/pcsRFQ
2220Y5000331MXT Image
  • Part#:2220Y5000331MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V X7R 2220
  • In Stock:76782
$0.473/pcsRFQ
1808Y2500102FFT Image
  • Part#:1808Y2500102FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 250V C0G/NP0 1808
  • In Stock:44945
$0.676/pcsRFQ
1206Y2002P20BFT Image
  • Part#:1206Y2002P20BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 200V C0G/NP0 1206
  • In Stock:52270
$0.362/pcsRFQ
1206Y0251P80BCT Image
  • Part#:1206Y0251P80BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 25V C0G/NP0 1206
  • In Stock:88463
$0.262/pcsRFQ
1206J0501P10BQT Image
  • Part#:1206J0501P10BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.1PF 50V C0G/NP0 1206
  • In Stock:121214
$0.166/pcsRFQ
1210Y2004P70BCR Image
  • Part#:1210Y2004P70BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 200V C0G/NP0 1210
  • In Stock:91057
$0.392/pcsRFQ
1210J1K06P80BCT Image
  • Part#:1210J1K06P80BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 1KV C0G/NP0 1210
  • In Stock:87902
$0.407/pcsRFQ
2225Y0250820FCR Image
  • Part#:2225Y0250820FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 25V C0G/NP0 2225
  • In Stock:8558
$3.588/pcsRFQ
1206Y2500330JQT Image
  • Part#:1206Y2500330JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 250V C0G/NP0 1206
  • In Stock:107234
$0.183/pcsRFQ
1808Y6300332MXT Image
  • Part#:1808Y6300332MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 630V X7R 1808
  • In Stock:95458
$0.228/pcsRFQ
2225Y0630224JDT Image
  • Part#:2225Y0630224JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 63V X7R 2225
  • In Stock:19988
$1.667/pcsRFQ
0805Y2002P40BQT Image
  • Part#:0805Y2002P40BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.4PF 200V C0G/NP0 0805
  • In Stock:138312
$0.168/pcsRFQ
1808J2500121JDT Image
  • Part#:1808J2500121JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 250V X7R 1808
  • In Stock:95913
$0.231/pcsRFQ
1111Y2501P90BQT Image
  • Part#:1111Y2501P90BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.9PF 250V C0G/NP0 1111
  • In Stock:66711
$0.302/pcsRFQ
1808Y0500560GFT Image
  • Part#:1808Y0500560GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 50V C0G/NP0 1808
  • In Stock:66726
$0.295/pcsRFQ
1825J1000123GCR Image
  • Part#:1825J1000123GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 100V C0G 1825
  • In Stock:26449
$1.464/pcsRFQ
1210Y0160223MDR Image
  • Part#:1210Y0160223MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 16V X7R 1210
  • In Stock:98107
$0.208/pcsRFQ
1825J0630101FCT Image
  • Part#:1825J0630101FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 63V C0G/NP0 1825
  • In Stock:13901
$2.758/pcsRFQ
  • Part#:0805J0500151JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 50V C0G/NP0 0805
  • In Stock:439457
$0.043/pcsRFQ
1210J5000101MDR Image
  • Part#:1210J5000101MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 500V X7R 1210
  • In Stock:158825
$0.151/pcsRFQ
0805Y250P800CQT Image
  • Part#:0805Y250P800CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.8PF 250V C0G/NP0 0805
  • In Stock:130911
$0.163/pcsRFQ
1808J0100221JXT Image
  • Part#:1808J0100221JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 10V X7R 1808
  • In Stock:169664
$0.129/pcsRFQ
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