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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

1825Y0160333KXR Image
  • Part#:1825Y0160333KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 16V X7R 1825
  • In Stock:52704
$0.701/pcsRFQ
1812J0630121KCT Image
  • Part#:1812J0630121KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 1812
  • In Stock:73746
$0.264/pcsRFQ
0805Y2505P60HQT Image
  • Part#:0805Y2505P60HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 250V C0G/NP0 0805
  • In Stock:63464
$0.525/pcsRFQ
1206J1K05P60DFR Image
  • Part#:1206J1K05P60DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 1KV C0G/NP0 1206
  • In Stock:183827
$0.117/pcsRFQ
1210J2500121KFT Image
  • Part#:1210J2500121KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 250V C0G/NP0 1210
  • In Stock:93370
$0.259/pcsRFQ
2225J1K00272MDT Image
  • Part#:2225J1K00272MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 1KV X7R 2225
  • In Stock:45604
$0.806/pcsRFQ
1812Y0630100KCR Image
  • Part#:1812Y0630100KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 63V C0G/NP0 1812
  • In Stock:79744
$0.289/pcsRFQ
2225J1000390JCR Image
  • Part#:2225J1000390JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 100V C0G/NP0 2225
  • In Stock:51211
$0.76/pcsRFQ
1111J1000330FQT Image
  • Part#:1111J1000330FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 100V C0G/NP0 1111
  • In Stock:26527
$1.444/pcsRFQ
1206Y0630124JDR Image
  • Part#:1206Y0630124JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 63V X7R 1206
  • In Stock:118673
$0.176/pcsRFQ
1210Y1K00270KAR Image
  • Part#:1210Y1K00270KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 1KV C0G/NP0 1210
  • In Stock:142922
$0.169/pcsRFQ
1210J1000151GAT Image
  • Part#:1210J1000151GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 100V C0G/NP0 1210
  • In Stock:78468
$0.434/pcsRFQ
1111Y3001P40BQT Image
  • Part#:1111Y3001P40BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.4PF 300V C0G/NP0 1111
  • In Stock:81215
$0.291/pcsRFQ
1206J0162P20BCR Image
  • Part#:1206J0162P20BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 16V C0G/NP0 1206
  • In Stock:89898
$0.243/pcsRFQ
0505Y2501P70BQT Image
  • Part#:0505Y2501P70BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.7PF 250V C0G/NP0 0505
  • In Stock:114856
$0.198/pcsRFQ
1206J0250471GCT Image
  • Part#:1206J0250471GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 25V C0G/NP0 1206
  • In Stock:146378
$0.162/pcsRFQ
1808J4K00150FCT Image
  • Part#:1808J4K00150FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 4KV C0G/NP0 1808
  • In Stock:67528
$0.506/pcsRFQ
0805J1000102JAR Image
  • Part#:0805J1000102JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 100V C0G/NP0 0805
  • In Stock:235002
$0.101/pcsRFQ
2225Y1K50272JXT Image
  • Part#:2225Y1K50272JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 1.5KV X7R 2225
  • In Stock:41838
$0.828/pcsRFQ
1812J0250391GCR Image
  • Part#:1812J0250391GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 1812
  • In Stock:67099
$0.444/pcsRFQ
1825Y0100564JXR Image
  • Part#:1825Y0100564JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 10V X7R 1825
  • In Stock:33083
$0.989/pcsRFQ
2225J2K00471FCT Image
  • Part#:2225J2K00471FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 2KV C0G/NP0 2225
  • In Stock:14572
$2.184/pcsRFQ
2225J5000824JXR Image
  • Part#:2225J5000824JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 500V X7R 2225
  • In Stock:16054
$2.234/pcsRFQ
  • Part#:1825Y0250180FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:15128
$2.523/pcsRFQ
2220Y2000820GFR Image
  • Part#:2220Y2000820GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 200V C0G/NP0 2220
  • In Stock:17533
$2.214/pcsRFQ
1812YA250330KCRSY2 Image
  • Part#:1812YA250330KCRSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 250V C0G/NP0 1812
  • In Stock:72801
$0.332/pcsRFQ
0505J100P600BQT Image
  • Part#:0505J100P600BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.6PF 100V C0G/NP0 0505
  • In Stock:117982
$0.174/pcsRFQ
1812J0630181GAR Image
  • Part#:1812J0630181GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 63V C0G/NP0 1812
  • In Stock:51675
$0.676/pcsRFQ
1812Y0500681FCT Image
  • Part#:1812Y0500681FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 50V C0G/NP0 1812
  • In Stock:37616
$1.011/pcsRFQ
1812Y0630333GCR Image
  • Part#:1812Y0630333GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 63V C0G/NP0 1812
  • In Stock:44238
$0.875/pcsRFQ
1206J0502P70BFR Image
  • Part#:1206J0502P70BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 50V C0G/NP0 1206
  • In Stock:65973
$0.351/pcsRFQ
0603Y2500472MDR Image
  • Part#:0603Y2500472MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 250V X7R 0603
  • In Stock:272446
$0.07/pcsRFQ
1808J0505P60CFR Image
  • Part#:1808J0505P60CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 50V C0G/NP0 1808
  • In Stock:76023
$0.303/pcsRFQ
0805J5001P00DCR Image
  • Part#:0805J5001P00DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 500V C0G/NP0 0805
  • In Stock:440254
$0.047/pcsRFQ
0505Y200P900BQT Image
  • Part#:0505Y200P900BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.9PF 200V C0G/NP0 0505
  • In Stock:133946
$0.152/pcsRFQ
1808J2000222GCT Image
  • Part#:1808J2000222GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 200V C0G/NP0 1808
  • In Stock:76493
$0.308/pcsRFQ
1808J2000271KDT Image
  • Part#:1808J2000271KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 200V X7R 1808
  • In Stock:119520
$0.179/pcsRFQ
1210J1K20103MXT Image
  • Part#:1210J1K20103MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 1.2KV X7R 1210
  • In Stock:155694
$0.152/pcsRFQ
1206Y0630332MDR Image
  • Part#:1206Y0630332MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 63V X7R 1206
  • In Stock:205628
$0.105/pcsRFQ
1812Y2500821JFR Image
  • Part#:1812Y2500821JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 250V C0G/NP0 1812
  • In Stock:69550
$0.469/pcsRFQ
1825J0630683JCR Image
  • Part#:1825J0630683JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 63V C0G/NP0 1825
  • In Stock:29592
$1.125/pcsRFQ
1111J2K04P30CQT Image
  • Part#:1111J2K04P30CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.3PF 2KV C0G/NP0 1111
  • In Stock:55348
$0.34/pcsRFQ
2225J6300392JXR Image
  • Part#:2225J6300392JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 630V X7R 2225
  • In Stock:41316
$0.918/pcsRFQ
0805J5000392KDR Image
  • Part#:0805J5000392KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 500V X7R 0805
  • In Stock:294630
$0.081/pcsRFQ
1206Y1000221JET Image
  • Part#:1206Y1000221JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 100V X7R 1206
  • In Stock:143328
$0.138/pcsRFQ
1812J5000471GCR Image
  • Part#:1812J5000471GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 500V C0G/NP0 1812
  • In Stock:67101
$0.345/pcsRFQ
1812Y0500120JFT Image
  • Part#:1812Y0500120JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 50V C0G/NP0 1812
  • In Stock:71578
$0.549/pcsRFQ
1210Y5000151FFT Image
  • Part#:1210Y5000151FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 500V C0G/NP0 1210
  • In Stock:52661
$0.628/pcsRFQ
1206Y0630331JXR Image
  • Part#:1206Y0630331JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 63V X7R 1206
  • In Stock:243496
$0.093/pcsRFQ
1825Y6300102JXT Image
  • Part#:1825Y6300102JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 630V X7R 1825
  • In Stock:48357
$0.816/pcsRFQ
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