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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

1808Y0630333GCR Image
  • Part#:1808Y0630333GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 63V C0G/NP0 1808
  • In Stock:65268
$0.481/pcsRFQ
2225Y0250473GCR Image
  • Part#:2225Y0250473GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 25V C0G/NP0 2225
  • In Stock:14896
$2.138/pcsRFQ
1206Y6300330KAR Image
  • Part#:1206Y6300330KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 630V C0G/NP0 1206
  • In Stock:201939
$0.11/pcsRFQ
1808Y2500222JDR Image
  • Part#:1808Y2500222JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 250V X7R 1808
  • In Stock:106505
$0.218/pcsRFQ
1825Y0250275MXT Image
  • Part#:1825Y0250275MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7UF 25V X7R 1825
  • In Stock:30593
$1.265/pcsRFQ
0805J0100220JCR Image
  • Part#:0805J0100220JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 10V C0G/NP0 0805
  • In Stock:420598
$0.052/pcsRFQ
1825Y2K00100FCT Image
  • Part#:1825Y2K00100FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 2KV C0G/NP0 1825
  • In Stock:16563
$2.151/pcsRFQ
1825Y4K00271KCR Image
  • Part#:1825Y4K00271KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 4KV C0G/NP0 1825
  • In Stock:85335
$0.405/pcsRFQ
1812J5000224MDT Image
  • Part#:1812J5000224MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 500V X7R 1812
  • In Stock:64727
$0.515/pcsRFQ
1206J0160120JFT Image
  • Part#:1206J0160120JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 16V C0G/NP0 1206
  • In Stock:155306
$0.121/pcsRFQ
2225Y0160680JCR Image
  • Part#:2225Y0160680JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 16V C0G/NP0 2225
  • In Stock:31557
$1.031/pcsRFQ
1111J1005P60BQT Image
  • Part#:1111J1005P60BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 100V C0G/NP0 1111
  • In Stock:52867
$0.617/pcsRFQ
1206J1K00151FAT Image
  • Part#:1206J1K00151FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1000V C0G/NP0 1206
  • In Stock:75434
$0.503/pcsRFQ
0603J0500821MXR Image
  • Part#:0603J0500821MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 50V X7R 0603
  • In Stock:508744
$0.041/pcsRFQ
1206Y1000222GCT Image
  • Part#:1206Y1000222GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 100V C0G/NP0 1206
  • In Stock:92874
$0.229/pcsRFQ
1210J2K00391JXR Image
  • Part#:1210J2K00391JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 2KV X7R 1210
  • In Stock:138674
$0.155/pcsRFQ
1812J0160273MXR Image
  • Part#:1812J0160273MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 16V X7R 1812
  • In Stock:84510
$0.243/pcsRFQ
0505Y0508P20BQT Image
  • Part#:0505Y0508P20BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 50V C0G/NP0 0505
  • In Stock:69333
$0.498/pcsRFQ
1808J2500181JFR Image
  • Part#:1808J2500181JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V C0G/NP0 1808
  • In Stock:107103
$0.176/pcsRFQ
1812J1000183JAT Image
  • Part#:1812J1000183JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER .018UF 100V C0G/NP0 1812
  • In Stock:54624
$0.589/pcsRFQ
2225Y1K20332KXT Image
  • Part#:2225Y1K20332KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 1.2KV X7R 2225
  • In Stock:58864
$0.637/pcsRFQ
1206J2002P70CQT Image
  • Part#:1206J2002P70CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 200V C0G/NP0 1206
  • In Stock:113941
$0.181/pcsRFQ
  • Part#:1812J5000152FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 500V C0G/NP0 1812
  • In Stock:42182
$0.91/pcsRFQ
0603J1503P60DQT Image
  • Part#:0603J1503P60DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.6PF 150V C0G/NP0 0603
  • In Stock:244922
$0.094/pcsRFQ
0603J0100222KCR Image
  • Part#:0603J0100222KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 10V C0G/NP0 0603
  • In Stock:305928
$0.067/pcsRFQ
0805Y3000510JQT Image
  • Part#:0805Y3000510JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 51PF 300V C0G/NP0 0805
  • In Stock:111482
$0.208/pcsRFQ
  • Part#:2225J0160152FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:8191
$4.279/pcsRFQ
1210Y1000153GCR Image
  • Part#:1210Y1000153GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 100V C0G 1210
  • In Stock:54037
$0.65/pcsRFQ
1812Y5000562GCR Image
  • Part#:1812Y5000562GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 500V C0G/NP0 1812
  • In Stock:67355
$0.551/pcsRFQ
1206J1000222MXR Image
  • Part#:1206J1000222MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 100V X7R 1206
  • In Stock:300521
$0.071/pcsRFQ
0603J2000122MDT Image
  • Part#:0603J2000122MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 200V X7R 0603
  • In Stock:336955
$0.064/pcsRFQ
0805J1000561KXT Image
  • Part#:0805J1000561KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 100V X7R 0805
  • In Stock:368133
$0.062/pcsRFQ
  • Part#:0805J0100561MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 10V X7R 0805
  • In Stock:655246
$0.037/pcsRFQ
1808J3K00391KXT Image
  • Part#:1808J3K00391KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 3KV X7R 1808
  • In Stock:153833
$0.153/pcsRFQ
0805J0160102GFT Image
  • Part#:0805J0160102GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 16V C0G/NP0 0805
  • In Stock:133014
$0.16/pcsRFQ
1808YA250150GCRPY2 Image
  • Part#:1808YA250150GCRPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 250V C0G/NP0 1808
  • In Stock:55190
$0.587/pcsRFQ
1812Y2K50471GCR Image
  • Part#:1812Y2K50471GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 2.5KV C0G/NP0 1812
  • In Stock:34255
$0.871/pcsRFQ
1210Y5000100FAR Image
  • Part#:1210Y5000100FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 500V C0G/NP0 1210
  • In Stock:55555
$0.598/pcsRFQ
1825Y6300183JXT Image
  • Part#:1825Y6300183JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 630V X7R 1825
  • In Stock:38958
$0.846/pcsRFQ
1812J2000272GAR Image
  • Part#:1812J2000272GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 200V C0G/NP0 1812
  • In Stock:44472
$0.849/pcsRFQ
1206Y1K00151GAR Image
  • Part#:1206Y1K00151GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1KV C0G/NP0 1206
  • In Stock:71981
$0.267/pcsRFQ
0805Y0630301KQT Image
  • Part#:0805Y0630301KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 300PF 63V C0G/NP0 0805
  • In Stock:87136
$0.24/pcsRFQ
0805Y1501P20BQT Image
  • Part#:0805Y1501P20BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 150V C0G/NP0 0805
  • In Stock:134976
$0.158/pcsRFQ
1206J0630562KAR Image
  • Part#:1206J0630562KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:165484
$0.136/pcsRFQ
0805J1004P30HQT Image
  • Part#:0805J1004P30HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.3PF 100V C0G/NP0 0805
  • In Stock:68873
$0.464/pcsRFQ
2220Y2500391FFR Image
  • Part#:2220Y2500391FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V C0G/NP0 2220
  • In Stock:8799
$3.864/pcsRFQ
1812Y5000681JAT Image
  • Part#:1812Y5000681JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 500V C0G/NP0 1812
  • In Stock:79245
$0.413/pcsRFQ
1210Y5005P60BCT Image
  • Part#:1210Y5005P60BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 500V C0G/NP0 1210
  • In Stock:83054
$0.412/pcsRFQ
0805Y1K00121KXR Image
  • Part#:0805Y1K00121KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1KV X7R 0805
  • In Stock:392475
$0.053/pcsRFQ
1812Y0500471JFT Image
  • Part#:1812Y0500471JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 50V C0G/NP0 1812
  • In Stock:68537
$0.468/pcsRFQ
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