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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

1808Y0500683MDT Image
  • Part#:1808Y0500683MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 50V X7R 1808
  • In Stock:106074
$0.213/pcsRFQ
1825Y3K00332MXT Image
  • Part#:1825Y3K00332MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 3KV X7R 1825
  • In Stock:63283
$0.589/pcsRFQ
1210Y0250680GCR Image
  • Part#:1210Y0250680GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 25V C0G/NP0 1210
  • In Stock:76557
$0.294/pcsRFQ
1206Y5000271FAT Image
  • Part#:1206Y5000271FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 1206
  • In Stock:80562
$0.469/pcsRFQ
1808J3K00271KXT Image
  • Part#:1808J3K00271KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 3KV X7R 1808
  • In Stock:112389
$0.174/pcsRFQ
1210Y5000152KER Image
  • Part#:1210Y5000152KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 500V X7R 1210
  • In Stock:150281
$0.154/pcsRFQ
0805J0630221KXT Image
  • Part#:0805J0630221KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 63V X7R 0805
  • In Stock:361986
$0.054/pcsRFQ
0805Y2500151FQT Image
  • Part#:0805Y2500151FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 250V C0G/NP0 0805
  • In Stock:49412
$0.708/pcsRFQ
1111Y1000910FQT Image
  • Part#:1111Y1000910FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 91PF 100V C0G/NP0 1111
  • In Stock:31795
$1.211/pcsRFQ
1808J0630564KDT Image
  • Part#:1808J0630564KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 63V X7R 1808
  • In Stock:76386
$0.307/pcsRFQ
1808Y2000102KDR Image
  • Part#:1808Y2000102KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 200V X7R 1808
  • In Stock:136121
$0.173/pcsRFQ
2220Y0250101FCR Image
  • Part#:2220Y0250101FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 25V C0G/NP0 2220
  • In Stock:13234
$2.837/pcsRFQ
2225J1K20822KXR Image
  • Part#:2225J1K20822KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 1.2KV X7R 2225
  • In Stock:46612
$0.822/pcsRFQ
0505J200P400DQT Image
  • Part#:0505J200P400DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.4PF 200V C0G/NP0 0505
  • In Stock:121458
$0.171/pcsRFQ
1812J0100123KXR Image
  • Part#:1812J0100123KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 10V X7R 1812
  • In Stock:80639
$0.242/pcsRFQ
1808Y2000152JDT Image
  • Part#:1808Y2000152JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 200V X7R 1808
  • In Stock:99340
$0.238/pcsRFQ
1206Y3000910KQT Image
  • Part#:1206Y3000910KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 91PF 300V C0G/NP0 1206
  • In Stock:111064
$0.191/pcsRFQ
1825J1K20183MXR Image
  • Part#:1825J1K20183MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 1.2KV X7R 1825
  • In Stock:46316
$0.675/pcsRFQ
1812J4K00121GCR Image
  • Part#:1812J4K00121GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 4KV C0G/NP0 1812
  • In Stock:62206
$0.328/pcsRFQ
1825J6300271MXR Image
  • Part#:1825J6300271MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 630V X7R 1825
  • In Stock:60758
$0.494/pcsRFQ
1206J2500181KFR Image
  • Part#:1206J2500181KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V C0G/NP0 1206
  • In Stock:151146
$0.129/pcsRFQ
2220J1000101JFT Image
  • Part#:2220J1000101JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 100V C0G/NP0 2220
  • In Stock:34720
$1.035/pcsRFQ
2225J1K00392GFR Image
  • Part#:2225J1K00392GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1KV C0G/NP0 2225
  • In Stock:10824
$3.223/pcsRFQ
  • Part#:0505Y0630620GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 0505
  • In Stock:65116
$0.297/pcsRFQ
1808J0160181FFT Image
  • Part#:1808J0160181FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 16V C0G/NP0 1808
  • In Stock:65609
$0.568/pcsRFQ
2225J1K20821JXT Image
  • Part#:2225J1K20821JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1.2KV X7R 2225
  • In Stock:48708
$0.7/pcsRFQ
1206J1K01P50BQT Image
  • Part#:1206J1K01P50BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 1KV C0G/NP0 1206
  • In Stock:102224
$0.2/pcsRFQ
1210Y0630153KXR Image
  • Part#:1210Y0630153KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 63V X7R 1210
  • In Stock:131443
$0.146/pcsRFQ
  • Part#:1206Y2501P00CFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 250V C0G/NP0 1206
  • In Stock:138671
$0.142/pcsRFQ
2225J2500473KXT Image
  • Part#:2225J2500473KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 250V X7R 2225
  • In Stock:52219
$0.673/pcsRFQ
0805J1503P60CQT Image
  • Part#:0805J1503P60CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.6PF 150V C0G/NP0 0805
  • In Stock:135978
$0.156/pcsRFQ
0805Y0630221FFR Image
  • Part#:0805Y0630221FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 63V C0G/NP0 0805
  • In Stock:72234
$0.284/pcsRFQ
0805J2504P70DUT Image
  • Part#:0805J2504P70DUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 250V C0G/NP0 0805
  • In Stock:150970
$0.153/pcsRFQ
1808J0258P20CCR Image
  • Part#:1808J0258P20CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 25V C0G/NP0 1808
  • In Stock:111803
$0.2/pcsRFQ
1812Y1000182MCTE03 Image
  • Part#:1812Y1000182MCTE03
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 100V C0G/NP0 1812
  • In Stock:55542
$0.682/pcsRFQ
2225J5000221KFR Image
  • Part#:2225J5000221KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 500V C0G/NP0 2225
  • In Stock:38212
$1.026/pcsRFQ
1210J0630102JAR Image
  • Part#:1210J0630102JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 63V C0G/NP0 1210
  • In Stock:79241
$0.257/pcsRFQ
1812J0250273JFR Image
  • Part#:1812J0250273JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 25V C0G/NP0 1812
  • In Stock:63597
$0.579/pcsRFQ
2225Y6K00271JCT Image
  • Part#:2225Y6K00271JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 6KV C0G/NP0 2225
  • In Stock:57787
$0.647/pcsRFQ
0603Y0501P20DFR Image
  • Part#:0603Y0501P20DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 50V C0G/NP0 0603
  • In Stock:299708
$0.075/pcsRFQ
0505Y3001P10CQT Image
  • Part#:0505Y3001P10CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.1PF 300V C0G/NP0 0505
  • In Stock:120880
$0.155/pcsRFQ
1825J0630184KXT Image
  • Part#:1825J0630184KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 63V X7R 1825
  • In Stock:52207
$0.754/pcsRFQ
1206Y1000392KCR Image
  • Part#:1206Y1000392KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 100V C0G/NP0 1206
  • In Stock:177938
$0.136/pcsRFQ
0805Y5000101JCR Image
  • Part#:0805Y5000101JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 500V C0G/NP0 0805
  • In Stock:399479
$0.053/pcsRFQ
2225J2000224KXR Image
  • Part#:2225J2000224KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 200V X7R 2225
  • In Stock:40412
$0.792/pcsRFQ
0603Y0500391KCR Image
  • Part#:0603Y0500391KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 50V C0G/NP0 0603
  • In Stock:418543
$0.056/pcsRFQ
1808Y0500333MXR Image
  • Part#:1808Y0500333MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V X7R 1808
  • In Stock:151437
$0.129/pcsRFQ
1812J0160181JCT Image
  • Part#:1812J0160181JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 16V C0G/NP0 1812
  • In Stock:69261
$0.285/pcsRFQ
1210Y0630121JCT Image
  • Part#:1210Y0630121JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 1210
  • In Stock:134351
$0.173/pcsRFQ
1206Y2000390FAR Image
  • Part#:1206Y2000390FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 200V C0G/NP0 1206
  • In Stock:82153
$0.424/pcsRFQ
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