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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

1808Y1K20271JCR Image
  • Part#:1808Y1K20271JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1.2KV C0G/NP0 1808
  • In Stock:126950
$0.166/pcsRFQ
1808J2500392KDR Image
  • Part#:1808J2500392KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 250V X7R 1808
  • In Stock:122094
$0.165/pcsRFQ
2220J0100183FCT Image
  • Part#:2220J0100183FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 10V C0G/NP0 2220
  • In Stock:12560
$2.765/pcsRFQ
2220Y5000682FFR Image
  • Part#:2220Y5000682FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 500V C0G/NP0 2220
  • In Stock:12750
$2.93/pcsRFQ
0805J0500330KAR Image
  • Part#:0805J0500330KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 50V C0G/NP0 0805
  • In Stock:307767
$0.073/pcsRFQ
1206J6300101GAR Image
  • Part#:1206J6300101GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 630V C0G/NP0 1206
  • In Stock:100896
$0.206/pcsRFQ
1111Y5000301FQT Image
  • Part#:1111Y5000301FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 300PF 500V C0G/NP0 1111
  • In Stock:24946
$1.374/pcsRFQ
1210Y0250153GCT Image
  • Part#:1210Y0250153GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 25V C0G/NP0 1210
  • In Stock:77971
$0.42/pcsRFQ
1210Y0500824MXT Image
  • Part#:1210Y0500824MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 50V X7R 1210
  • In Stock:63194
$0.311/pcsRFQ
1808Y1000822KFR Image
  • Part#:1808Y1000822KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 100V C0G/NP0 1808
  • In Stock:69804
$0.271/pcsRFQ
1812Y1000471KCT Image
  • Part#:1812Y1000471KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 100V C0G/NP0 1812
  • In Stock:68407
$0.302/pcsRFQ
0805J0500473KDT Image
  • Part#:0805J0500473KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 50V X7R 0805
  • In Stock:203082
$0.098/pcsRFQ
  • Part#:1206Y2K00101JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:251509
$0.083/pcsRFQ
1206J2000201GQT Image
  • Part#:1206J2000201GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 200PF 200V C0G/NP0 1206
  • In Stock:69891
$0.345/pcsRFQ
1808J0630272JDR Image
  • Part#:1808J0630272JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 63V X7R 1808
  • In Stock:91284
$0.238/pcsRFQ
0603Y1000220JQT Image
  • Part#:0603Y1000220JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 100V C0G/NP0 0603
  • In Stock:168090
$0.117/pcsRFQ
0805Y1500150FQT Image
  • Part#:0805Y1500150FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 150V C0G/NP0 0805
  • In Stock:64519
$0.516/pcsRFQ
1812J0630151FAR Image
  • Part#:1812J0630151FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 63V C0G/NP0 1812
  • In Stock:22768
$1.31/pcsRFQ
1808Y2000102MDT Image
  • Part#:1808Y2000102MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 200V X7R 1808
  • In Stock:127902
$0.181/pcsRFQ
1210Y5000391MDR Image
  • Part#:1210Y5000391MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V X7R 1210
  • In Stock:131336
$0.145/pcsRFQ
1206J2500182KXR Image
  • Part#:1206J2500182KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 250V X7R 1206
  • In Stock:249826
$0.078/pcsRFQ
2225Y0160330JCR Image
  • Part#:2225Y0160330JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 16V C0G/NP0 2225
  • In Stock:32440
$1.034/pcsRFQ
0805Y0630181MDR Image
  • Part#:0805Y0630181MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 63V X7R 0805
  • In Stock:295740
$0.073/pcsRFQ
1812J0500331GFR Image
  • Part#:1812J0500331GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 50V C0G/NP0 1812
  • In Stock:46320
$0.662/pcsRFQ
1206Y1000332FAT Image
  • Part#:1206Y1000332FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 100V C0G/NP0 1206
  • In Stock:50529
$0.741/pcsRFQ
1111Y2000301FQT Image
  • Part#:1111Y2000301FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 300PF 200V C0G/NP0 1111
  • In Stock:21925
$1.373/pcsRFQ
2220Y2500330JFT Image
  • Part#:2220Y2500330JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 250V C0G/NP0 2220
  • In Stock:22634
$1.319/pcsRFQ
2225Y2000273FFR Image
  • Part#:2225Y2000273FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 200V C0G 2225
  • In Stock:4200
$8.141/pcsRFQ
1812J1K00393JDT Image
  • Part#:1812J1K00393JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 1KV X7R 1812
  • In Stock:60371
$0.567/pcsRFQ
1825Y0250223KXR Image
  • Part#:1825Y0250223KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 25V X7R 1825
  • In Stock:45212
$0.778/pcsRFQ
0805Y2000300KQT Image
  • Part#:0805Y2000300KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 30PF 200V C0G/NP0 0805
  • In Stock:122896
$0.16/pcsRFQ
1812J2000101GCR Image
  • Part#:1812J2000101GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 200V C0G/NP0 1812
  • In Stock:72590
$0.467/pcsRFQ
2225J5000331JCT Image
  • Part#:2225J5000331JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V C0G/NP0 2225
  • In Stock:52783
$0.715/pcsRFQ
1812Y0160470GFT Image
  • Part#:1812Y0160470GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 16V C0G/NP0 1812
  • In Stock:40023
$0.752/pcsRFQ
1812J1000273JAR Image
  • Part#:1812J1000273JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER .027UF 100V C0G/NP0 1812
  • In Stock:49018
$0.731/pcsRFQ
2225J6300681GCT Image
  • Part#:2225J6300681GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 630V C0G/NP0 2225
  • In Stock:27449
$1.332/pcsRFQ
1812J0500392FCR Image
  • Part#:1812J0500392FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 50V C0G/NP0 1812
  • In Stock:37780
$0.924/pcsRFQ
2220J0250681JFR Image
  • Part#:2220J0250681JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 25V C0G/NP0 2220
  • In Stock:34963
$1.013/pcsRFQ
1206J0160561FFT Image
  • Part#:1206J0160561FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 16V C0G/NP0 1206
  • In Stock:63393
$0.473/pcsRFQ
2225J0500333KXR Image
  • Part#:2225J0500333KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V X7R 2225
  • In Stock:51429
$0.635/pcsRFQ
2220J2K00121FCT Image
  • Part#:2220J2K00121FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 2KV C0G/NP0 2220
  • In Stock:19155
$1.787/pcsRFQ
1206J1000182MXRE03 Image
  • Part#:1206J1000182MXRE03
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 100V X7R 1206
  • In Stock:97997
$0.246/pcsRFQ
0805Y2500333MXT Image
  • Part#:0805Y2500333MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 250V X7R 0805
  • In Stock:287924
$0.079/pcsRFQ
2220Y0500393KFR Image
  • Part#:2220Y0500393KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 50V C0G/NP0 2220
  • In Stock:25876
$1.304/pcsRFQ
1812Y1K00151FCR Image
  • Part#:1812Y1K00151FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1KV C0G/NP0 1812
  • In Stock:54642
$0.678/pcsRFQ
1206Y2000333KDR Image
  • Part#:1206Y2000333KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 200V X7R 1206
  • In Stock:123670
$0.155/pcsRFQ
1825J0100472JCR Image
  • Part#:1825J0100472JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 10V C0G/NP0 1825
  • In Stock:52257
$0.736/pcsRFQ
2220JA250122MXTB16 Image
  • Part#:2220JA250122MXTB16
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 250V X7R 2220
  • In Stock:73747
$0.433/pcsRFQ
2220Y0100333KCR Image
  • Part#:2220Y0100333KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 10V C0G/NP0 2220
  • In Stock:43363
$0.874/pcsRFQ
2225J3K00332JXR Image
  • Part#:2225J3K00332JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 3KV X7R 2225
  • In Stock:40107
$0.869/pcsRFQ
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