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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

1206J2503P90BCR Image
  • Part#:1206J2503P90BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 250V C0G/NP0 1206
  • In Stock:105198
$0.228/pcsRFQ
1206Y2500182GFT Image
  • Part#:1206Y2500182GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 250V C0G/NP0 1206
  • In Stock:64084
$0.32/pcsRFQ
1206Y1003P30DCR Image
  • Part#:1206Y1003P30DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 100V C0G/NP0 1206
  • In Stock:263564
$0.077/pcsRFQ
2211YA250330FCRSPU Image
  • Part#:2211YA250330FCRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 250V C0G/NP0 2211
  • In Stock:24962
$1.525/pcsRFQ
1206J2500330GCR Image
  • Part#:1206J2500330GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 250V C0G/NP0 1206
  • In Stock:166105
$0.144/pcsRFQ
  • Part#:0603Y0630390KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0603
  • In Stock:339607
$0.06/pcsRFQ
1812J1K20272JXT Image
  • Part#:1812J1K20272JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 1.2KV X7R 1812
  • In Stock:59927
$0.359/pcsRFQ
1210Y1000150KFT Image
  • Part#:1210Y1000150KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 100V C0G/NP0 1210
  • In Stock:84089
$0.253/pcsRFQ
1210Y1K50220FCT Image
  • Part#:1210Y1K50220FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 1.5KV C0G/NP0 1210
  • In Stock:96306
$0.403/pcsRFQ
1210Y2K03P90BCT Image
  • Part#:1210Y2K03P90BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 2KV C0G/NP0 1210
  • In Stock:72310
$0.484/pcsRFQ
0805J1501P70HQT Image
  • Part#:0805J1501P70HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.7PF 150V C0G/NP0 0805
  • In Stock:77963
$0.307/pcsRFQ
2220J0500392KCT Image
  • Part#:2220J0500392KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 50V C0G/NP0 2220
  • In Stock:52361
$0.656/pcsRFQ
2220Y0500154MDR Image
  • Part#:2220Y0500154MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 50V X7R 2220
  • In Stock:30803
$1.018/pcsRFQ
2225J6300393KXT Image
  • Part#:2225J6300393KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 630V X7R 2225
  • In Stock:47015
$0.717/pcsRFQ
1812Y6300562GCT Image
  • Part#:1812Y6300562GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 630V C0G/NP0 1812
  • In Stock:41146
$0.952/pcsRFQ
1808YA250102JXTPY2 Image
  • Part#:1808YA250102JXTPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 250V X7R 1808
  • In Stock:58347
$0.6/pcsRFQ
1812J5K00102KXR Image
  • Part#:1812J5K00102KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 5KV X7R 1812
  • In Stock:94386
$0.237/pcsRFQ
0805Y2500470JCT Image
  • Part#:0805Y2500470JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 250V C0G/NP0 0805
  • In Stock:322856
$0.064/pcsRFQ
1812Y0500274JDR Image
  • Part#:1812Y0500274JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 50V X7R 1812
  • In Stock:48527
$0.628/pcsRFQ
0603J2000101KDR Image
  • Part#:0603J2000101KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 200V X7R 0603
  • In Stock:345988
$0.06/pcsRFQ
0805J1000471KDR Image
  • Part#:0805J1000471KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 100V X7R 0805
  • In Stock:244398
$0.082/pcsRFQ
0805J1000150KFT Image
  • Part#:0805J1000150KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 100V C0G/NP0 0805
  • In Stock:274688
$0.081/pcsRFQ
1206J1K20222KXR Image
  • Part#:1206J1K20222KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 1.2KV X7R 1206
  • In Stock:244806
$0.09/pcsRFQ
1206J5000272MXT Image
  • Part#:1206J5000272MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 500V X7R 1206
  • In Stock:355901
$0.066/pcsRFQ
1210Y5000271GCT Image
  • Part#:1210Y5000271GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 1210
  • In Stock:82714
$0.237/pcsRFQ
0805Y0250561KDR Image
  • Part#:0805Y0250561KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 25V X7R 0805
  • In Stock:301240
$0.075/pcsRFQ
2220J1K00272GFR Image
  • Part#:2220J1K00272GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 1KV C0G/NP0 2220
  • In Stock:24366
$1.427/pcsRFQ
2225Y1K20150GCR Image
  • Part#:2225Y1K20150GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 1.2KV C0G/NP0 2225
  • In Stock:23585
$1.514/pcsRFQ
2220Y0160562GFT Image
  • Part#:2220Y0160562GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 16V C0G/NP0 2220
  • In Stock:16068
$2.053/pcsRFQ
0603J2504P70DQT Image
  • Part#:0603J2504P70DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 250V C0G/NP0 0603
  • In Stock:249323
$0.092/pcsRFQ
2220Y1000182JCR Image
  • Part#:2220Y1000182JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 100V C0G/NP0 2220
  • In Stock:46647
$0.778/pcsRFQ
0805J2000561GCR Image
  • Part#:0805J2000561GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 200V C0G/NP0 0805
  • In Stock:149976
$0.133/pcsRFQ
1812J5000180KFT Image
  • Part#:1812J5000180KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 500V C0G/NP0 1812
  • In Stock:88766
$0.369/pcsRFQ
1812Y2000151KCT Image
  • Part#:1812Y2000151KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 200V C0G/NP0 1812
  • In Stock:72108
$0.32/pcsRFQ
1825Y0630125KXR Image
  • Part#:1825Y0630125KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2UF 63V X7R 1825
  • In Stock:36749
$1.01/pcsRFQ
1812Y2000330FFT Image
  • Part#:1812Y2000330FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 200V C0G/NP0 1812
  • In Stock:24995
$1.458/pcsRFQ
1206J2000561KXT Image
  • Part#:1206J2000561KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:323180
$0.069/pcsRFQ
2220Y6300563MXT Image
  • Part#:2220Y6300563MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 630V X7R 2220
  • In Stock:50081
$0.604/pcsRFQ
1808Y1K20562MXT Image
  • Part#:1808Y1K20562MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 1.2KV X7R 1808
  • In Stock:101021
$0.195/pcsRFQ
1812Y2000103JER Image
  • Part#:1812Y2000103JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 200V X7R 1812
  • In Stock:73429
$0.515/pcsRFQ
2225Y5000222MXT Image
  • Part#:2225Y5000222MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 500V X7R 2225
  • In Stock:62108
$0.606/pcsRFQ
0603J0500391GFR Image
  • Part#:0603J0500391GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 50V C0G/NP0 0603
  • In Stock:161705
$0.141/pcsRFQ
1812J0630273KAT Image
  • Part#:1812J0630273KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 63V C0G/NP0 1812
  • In Stock:56749
$0.594/pcsRFQ
0603Y2500330JFT Image
  • Part#:0603Y2500330JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 250V C0G/NP0 0603
  • In Stock:243855
$0.081/pcsRFQ
0603J200P680BFR Image
  • Part#:0603J200P680BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68PF 200V C0G/NP0 0603
  • In Stock:94489
$0.209/pcsRFQ
1808Y2000272FFT Image
  • Part#:1808Y2000272FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 200V C0G/NP0 1808
  • In Stock:38233
$0.983/pcsRFQ
1812J1000151GAT Image
  • Part#:1812J1000151GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 100V C0G/NP0 1812
  • In Stock:56921
$0.695/pcsRFQ
1812Y2500391KFT Image
  • Part#:1812Y2500391KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V C0G/NP0 1812
  • In Stock:67941
$0.479/pcsRFQ
1812Y0500273KFT Image
  • Part#:1812Y0500273KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 50V C0G/NP0 1812
  • In Stock:49030
$0.708/pcsRFQ
2220Y6300331MXR Image
  • Part#:2220Y6300331MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 630V X7R 2220
  • In Stock:79864
$0.468/pcsRFQ
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