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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

  • Part#:1812J1K50153KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1812
  • In Stock:78853
$0.307/pcsRFQ
2225J0630562JFT Image
  • Part#:2225J0630562JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 63V C0G/NP0 2225
  • In Stock:26813
$1.299/pcsRFQ
1825J1K20272JCR Image
  • Part#:1825J1K20272JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 1.2KV C0G 1825
  • In Stock:46408
$0.74/pcsRFQ
1808J5000391KDR Image
  • Part#:1808J5000391KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V X7R 1808
  • In Stock:114221
$0.21/pcsRFQ
1808J0100122KXT Image
  • Part#:1808J0100122KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 10V X7R 1808
  • In Stock:185290
$0.116/pcsRFQ
0805Y1000102MXT Image
  • Part#:0805Y1000102MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 100V X7R 0805
  • In Stock:374339
$0.063/pcsRFQ
1111Y5002P20CQT Image
  • Part#:1111Y5002P20CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 500V C0G/NP0 1111
  • In Stock:73203
$0.28/pcsRFQ
1812J0630220FFR Image
  • Part#:1812J0630220FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 63V C0G/NP0 1812
  • In Stock:29214
$1.281/pcsRFQ
1812J0160394MXR Image
  • Part#:1812J0160394MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 16V X7R 1812
  • In Stock:71637
$0.283/pcsRFQ
2225Y1K00472MXT Image
  • Part#:2225Y1K00472MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 1KV X7R 2225
  • In Stock:53468
$0.631/pcsRFQ
1812Y0160272JFR Image
  • Part#:1812Y0160272JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 16V C0G/NP0 1812
  • In Stock:66855
$0.449/pcsRFQ
1812YA250221FCTPY2 Image
  • Part#:1812YA250221FCTPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V C0G/NP0 1812
  • In Stock:16889
$1.826/pcsRFQ
1812Y0500474KXR Image
  • Part#:1812Y0500474KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 50V X7R 1812
  • In Stock:107621
$0.363/pcsRFQ
1808Y0630333FCR Image
  • Part#:1808Y0630333FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 63V C0G/NP0 1808
  • In Stock:39370
$0.989/pcsRFQ
1210J1K20103KXT Image
  • Part#:1210J1K20103KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 1.2KV X7R 1210
  • In Stock:132792
$0.177/pcsRFQ
1206Y2001P50BFT Image
  • Part#:1206Y2001P50BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 200V C0G/NP0 1206
  • In Stock:61981
$0.359/pcsRFQ
1812Y0500562GCR Image
  • Part#:1812Y0500562GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 50V C0G/NP0 1812
  • In Stock:62396
$0.568/pcsRFQ
1808J2000683JDT Image
  • Part#:1808J2000683JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 200V X7R 1808
  • In Stock:76095
$0.394/pcsRFQ
1825Y1K50272MXT Image
  • Part#:1825Y1K50272MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 1.5KV X7R 1825
  • In Stock:63395
$0.596/pcsRFQ
0603J0630102GCT Image
  • Part#:0603J0630102GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 63V C0G/NP0 0603
  • In Stock:203632
$0.101/pcsRFQ
1210Y0500101GCT Image
  • Part#:1210Y0500101GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 50V C0G/NP0 1210
  • In Stock:63824
$0.302/pcsRFQ
2220J0500104KCR Image
  • Part#:2220J0500104KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 50V C0G/NP0 2220
  • In Stock:32250
$1.15/pcsRFQ
2225Y2000473MXT Image
  • Part#:2225Y2000473MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 200V X7R 2225
  • In Stock:49606
$0.784/pcsRFQ
1808J0250821MDT Image
  • Part#:1808J0250821MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 25V X7R 1808
  • In Stock:127257
$0.185/pcsRFQ
1206J0630394MDR Image
  • Part#:1206J0630394MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 63V X7R 1206
  • In Stock:113090
$0.181/pcsRFQ
1812J5000120KFT Image
  • Part#:1812J5000120KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 500V C0G/NP0 1812
  • In Stock:90244
$0.37/pcsRFQ
1111J6301P00BQT Image
  • Part#:1111J6301P00BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 630V C0G/NP0 1111
  • In Stock:79488
$0.289/pcsRFQ
1812Y1K00221JAT Image
  • Part#:1812Y1K00221JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1KV C0G/NP0 1812
  • In Stock:70606
$0.473/pcsRFQ
1808Y2000123JXT Image
  • Part#:1808Y2000123JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 200V X7R 1808
  • In Stock:141616
$0.165/pcsRFQ
2220J0630821JFT Image
  • Part#:2220J0630821JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 63V C0G/NP0 2220
  • In Stock:30577
$1.019/pcsRFQ
1812J0500472JCR Image
  • Part#:1812J0500472JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 50V C0G/NP0 1812
  • In Stock:79029
$0.272/pcsRFQ
1808J0500392JDT Image
  • Part#:1808J0500392JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 50V X7R 1808
  • In Stock:93754
$0.257/pcsRFQ
1812J0160180KFT Image
  • Part#:1812J0160180KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 16V C0G/NP0 1812
  • In Stock:71268
$0.465/pcsRFQ
1210J0160220JCT Image
  • Part#:1210J0160220JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 16V C0G/NP0 1210
  • In Stock:124231
$0.172/pcsRFQ
2220J2000182GFR Image
  • Part#:2220J2000182GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 200V C0G/NP0 2220
  • In Stock:19315
$1.954/pcsRFQ
1808J0160823JDR Image
  • Part#:1808J0160823JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 16V X7R 1808
  • In Stock:78742
$0.249/pcsRFQ
0805J1000221FFT Image
  • Part#:0805J1000221FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 100V C0G/NP0 0805
  • In Stock:67345
$0.304/pcsRFQ
0805J0165P60DCR Image
  • Part#:0805J0165P60DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 16V C0G/NP0 0805
  • In Stock:428320
$0.052/pcsRFQ
0603J5000220FCR Image
  • Part#:0603J5000220FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 500V C0G/NP0 0603
  • In Stock:111355
$0.174/pcsRFQ
2220Y1000123FFR Image
  • Part#:2220Y1000123FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 100V C0G 2220
  • In Stock:8579
$4.432/pcsRFQ
2225J0160125KXR Image
  • Part#:2225J0160125KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2UF 16V X7R 2225
  • In Stock:33706
$0.9/pcsRFQ
1825J0500560FCR Image
  • Part#:1825J0500560FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 50V C0G/NP0 1825
  • In Stock:11842
$2.845/pcsRFQ
1206Y1K00330JCT Image
  • Part#:1206Y1K00330JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 1KV C0G/NP0 1206
  • In Stock:236197
$0.102/pcsRFQ
1808Y2K50680KCT Image
  • Part#:1808Y2K50680KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 2.5KV C0G/NP0 1808
  • In Stock:120584
$0.163/pcsRFQ
1812Y0160123GFR Image
  • Part#:1812Y0160123GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 16V C0G/NP0 1812
  • In Stock:35126
$0.979/pcsRFQ
2220Y2500560FCT Image
  • Part#:2220Y2500560FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 250V C0G/NP0 2220
  • In Stock:11699
$2.993/pcsRFQ
1206J1000681MDT Image
  • Part#:1206J1000681MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 100V X7R 1206
  • In Stock:217932
$0.107/pcsRFQ
1111Y6300330KQT Image
  • Part#:1111Y6300330KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 630V C0G/NP0 1111
  • In Stock:66780
$0.337/pcsRFQ
1812Y0500390JCR Image
  • Part#:1812Y0500390JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 50V C0G/NP0 1812
  • In Stock:76886
$0.277/pcsRFQ
2225J0630334MDR Image
  • Part#:2225J0630334MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 63V X7R 2225
  • In Stock:31028
$1.077/pcsRFQ
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