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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

2225J4K00470GCT Image
  • Part#:2225J4K00470GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 4KV C0G/NP0 2225
  • In Stock:50939
$0.625/pcsRFQ
0805Y0630680GAR Image
  • Part#:0805Y0630680GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 63V C0G/NP0 0805
  • In Stock:139736
$0.14/pcsRFQ
1210Y0630102GAT Image
  • Part#:1210Y0630102GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 63V C0G/NP0 1210
  • In Stock:81415
$0.471/pcsRFQ
1812Y2K50180JCR Image
  • Part#:1812Y2K50180JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 2.5KV C0G/NP0 1812
  • In Stock:64524
$0.332/pcsRFQ
2220Y1000103MDR Image
  • Part#:2220Y1000103MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 100V X7R 2220
  • In Stock:36811
$0.965/pcsRFQ
1812J2000222GCT Image
  • Part#:1812J2000222GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 200V C0G/NP0 1812
  • In Stock:65164
$0.527/pcsRFQ
0603J0500181JDT Image
  • Part#:0603J0500181JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 50V X7R 0603
  • In Stock:291600
$0.081/pcsRFQ
1206Y1000392KER Image
  • Part#:1206Y1000392KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 100V X7R 1206
  • In Stock:195672
$0.106/pcsRFQ
2220J0630120JFR Image
  • Part#:2220J0630120JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 63V C0G/NP0 2220
  • In Stock:35517
$1.037/pcsRFQ
2225J0500560FFR Image
  • Part#:2225J0500560FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 50V C0G/NP0 2225
  • In Stock:8231
$4.252/pcsRFQ
1210Y2500333KDT Image
  • Part#:1210Y2500333KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 250V X7R 1210
  • In Stock:80936
$0.289/pcsRFQ
2220Y3K00680GCR Image
  • Part#:2220Y3K00680GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 3KV C0G/NP0 2220
  • In Stock:28171
$1.104/pcsRFQ
1206J0630101FAT Image
  • Part#:1206J0630101FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 63V C0G/NP0 1206
  • In Stock:77781
$0.413/pcsRFQ
1808J5000271JCT Image
  • Part#:1808J5000271JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 1808
  • In Stock:95808
$0.199/pcsRFQ
1812Y0250152FFR Image
  • Part#:1812Y0250152FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 25V C0G/NP0 1812
  • In Stock:20272
$1.502/pcsRFQ
1825J6300823JXT Image
  • Part#:1825J6300823JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 630V X7R 1825
  • In Stock:42986
$0.84/pcsRFQ
1808Y2K50101MXT Image
  • Part#:1808Y2K50101MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 2.5KV X7R 1808
  • In Stock:128452
$0.184/pcsRFQ
2225J0630275KDT Image
  • Part#:2225J0630275KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7UF 63V X7R 2225
  • In Stock:23413
$1.619/pcsRFQ
1825Y2K50102KXR Image
  • Part#:1825Y2K50102KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 2.5KV X7R 1825
  • In Stock:58145
$0.585/pcsRFQ
0805J5000181FFR Image
  • Part#:0805J5000181FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 500V C0G/NP0 0805
  • In Stock:85817
$0.272/pcsRFQ
2225Y2500563JXR Image
  • Part#:2225Y2500563JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 250V X7R 2225
  • In Stock:41988
$0.931/pcsRFQ
1210Y0160334MDT Image
  • Part#:1210Y0160334MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 16V X7R 1210
  • In Stock:78944
$0.291/pcsRFQ
1206J6303P90CQT Image
  • Part#:1206J6303P90CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 630V C0G/NP0 1206
  • In Stock:112546
$0.211/pcsRFQ
1206J1K05P60DAR Image
  • Part#:1206J1K05P60DAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 1000V C0G/NP0 1206
  • In Stock:161350
$0.118/pcsRFQ
0603J2500471MDR Image
  • Part#:0603J2500471MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V X7R 0603
  • In Stock:380599
$0.057/pcsRFQ
1812J0630121FAT Image
  • Part#:1812J0630121FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 1812
  • In Stock:28097
$1.271/pcsRFQ
0805Y0160104KDT Image
  • Part#:0805Y0160104KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 16V X7R 0805
  • In Stock:257467
$0.081/pcsRFQ
2220J1K00563JDR Image
  • Part#:2220J1K00563JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 1KV X7R 2220
  • In Stock:31457
$1.101/pcsRFQ
0805J2000153JXT Image
  • Part#:0805J2000153JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 200V X7R 0805
  • In Stock:253518
$0.092/pcsRFQ
1206J0632P10BQT Image
  • Part#:1206J0632P10BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.1PF 63V C0G/NP0 1206
  • In Stock:124917
$0.18/pcsRFQ
1111J2500240KQT Image
  • Part#:1111J2500240KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 24PF 250V C0G/NP0 1111
  • In Stock:65988
$0.343/pcsRFQ
1812Y2500221JFR Image
  • Part#:1812Y2500221JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V C0G/NP0 1812
  • In Stock:70373
$0.476/pcsRFQ
1210Y5000472KET Image
  • Part#:1210Y5000472KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 500V X7R 1210
  • In Stock:127645
$0.162/pcsRFQ
2225J0160223JFR Image
  • Part#:2225J0160223JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 16V C0G/NP0 2225
  • In Stock:20655
$1.54/pcsRFQ
1808Y6300331JXR Image
  • Part#:1808Y6300331JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 630V X7R 1808
  • In Stock:76624
$0.268/pcsRFQ
1111Y2000751GQT Image
  • Part#:1111Y2000751GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 750PF 200V C0G/NP0 1111
  • In Stock:44709
$0.868/pcsRFQ
2225J6300680KCR Image
  • Part#:2225J6300680KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 630V C0G/NP0 2225
  • In Stock:46841
$0.691/pcsRFQ
1825J0160183FCT Image
  • Part#:1825J0160183FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 16V C0G/NP0 1825
  • In Stock:12026
$2.977/pcsRFQ
0603J1000181FFR Image
  • Part#:0603J1000181FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 100V C0G/NP0 0603
  • In Stock:71236
$0.273/pcsRFQ
1206J1500361FQT Image
  • Part#:1206J1500361FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 360PF 150V C0G/NP0 1206
  • In Stock:32267
$1.052/pcsRFQ
0805Y0160123GCT Image
  • Part#:0805Y0160123GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 16V C0G/NP0 0805
  • In Stock:108825
$0.206/pcsRFQ
1812Y4K00102MXT Image
  • Part#:1812Y4K00102MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 4KV X7R 1812
  • In Stock:68154
$0.288/pcsRFQ
1210J5000470KAR Image
  • Part#:1210J5000470KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 500V C0G/NP0 1210
  • In Stock:124755
$0.155/pcsRFQ
1210J0100392GCT Image
  • Part#:1210J0100392GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 10V C0G/NP0 1210
  • In Stock:63675
$0.324/pcsRFQ
2225Y5000180KFR Image
  • Part#:2225Y5000180KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 500V C0G/NP0 2225
  • In Stock:26652
$1.116/pcsRFQ
1210J2000122MDT Image
  • Part#:1210J2000122MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 200V X7R 1210
  • In Stock:88844
$0.229/pcsRFQ
0603J0500221FFR Image
  • Part#:0603J0500221FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 50V C0G/NP0 0603
  • In Stock:76322
$0.262/pcsRFQ
1206J2500821GFT Image
  • Part#:1206J2500821GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 250V C0G/NP0 1206
  • In Stock:87506
$0.275/pcsRFQ
1812YA258P20DCTSY2 Image
  • Part#:1812YA258P20DCTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 250V C0G/NP0 1812
  • In Stock:79827
$0.423/pcsRFQ
1206J5000562JDT Image
  • Part#:1206J5000562JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 500V X7R 1206
  • In Stock:196335
$0.12/pcsRFQ
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