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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

1808J0630561MXT Image
  • Part#:1808J0630561MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 63V X7R 1808
  • In Stock:137512
$0.136/pcsRFQ
2225J1K00181FCR Image
  • Part#:2225J1K00181FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1KV C0G/NP0 2225
  • In Stock:19527
$1.85/pcsRFQ
2225Y0250150JFR Image
  • Part#:2225Y0250150JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 25V C0G/NP0 2225
  • In Stock:21902
$1.573/pcsRFQ
2225J0630471KCR Image
  • Part#:2225J0630471KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 63V C0G/NP0 2225
  • In Stock:39844
$0.76/pcsRFQ
  • Part#:1808Y1K00121JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:144453
$0.141/pcsRFQ
1210J1K20180KCT Image
  • Part#:1210J1K20180KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1.2KV C0G/NP0 1210
  • In Stock:165648
$0.126/pcsRFQ
1206Y0500391KCR Image
  • Part#:1206Y0500391KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 50V C0G/NP0 1206
  • In Stock:285950
$0.081/pcsRFQ
2225J0500393MDT Image
  • Part#:2225J0500393MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 50V X7R 2225
  • In Stock:41278
$0.935/pcsRFQ
1808J1K20561FCT Image
  • Part#:1808J1K20561FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1.2KV C0G/NP0 1808
  • In Stock:47970
$0.742/pcsRFQ
1812Y0100393KCR Image
  • Part#:1812Y0100393KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 10V C0G/NP0 1812
  • In Stock:77388
$0.406/pcsRFQ
1808Y0630182KCR Image
  • Part#:1808Y0630182KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 63V C0G/NP0 1808
  • In Stock:172493
$0.113/pcsRFQ
2220J0500151KCT Image
  • Part#:2220J0500151KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 50V C0G/NP0 2220
  • In Stock:54658
$0.676/pcsRFQ
1206Y0500331MDT Image
  • Part#:1206Y0500331MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 50V X7R 1206
  • In Stock:183923
$0.11/pcsRFQ
0805J0250101JDT Image
  • Part#:0805J0250101JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 25V X7R 0805
  • In Stock:249538
$0.093/pcsRFQ
1210J0250820GFR Image
  • Part#:1210J0250820GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 25V C0G/NP0 1210
  • In Stock:87388
$0.415/pcsRFQ
1206Y0630334KDR Image
  • Part#:1206Y0630334KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 63V X7R 1206
  • In Stock:108020
$0.193/pcsRFQ
2220J0250104KXT Image
  • Part#:2220J0250104KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 25V X7R 2220
  • In Stock:66043
$0.598/pcsRFQ
1825Y6300561KXT Image
  • Part#:1825Y6300561KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 630V X7R 1825
  • In Stock:57074
$0.657/pcsRFQ
1210J1000150KCR Image
  • Part#:1210J1000150KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 100V C0G/NP0 1210
  • In Stock:125416
$0.151/pcsRFQ
1825J2K00470FCT Image
  • Part#:1825J2K00470FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 2KV C0G/NP0 1825
  • In Stock:20288
$1.923/pcsRFQ
2220J2500561FFT Image
  • Part#:2220J2500561FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 250V C0G/NP0 2220
  • In Stock:7678
$3.986/pcsRFQ
1812J0500391GCT Image
  • Part#:1812J0500391GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 50V C0G/NP0 1812
  • In Stock:74102
$0.471/pcsRFQ
0505Y0500101JQT Image
  • Part#:0505Y0500101JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 50V C0G/NP0 0505
  • In Stock:116670
$0.201/pcsRFQ
0603J1001P60BQT Image
  • Part#:0603J1001P60BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.6PF 100V C0G/NP0 0603
  • In Stock:211323
$0.105/pcsRFQ
  • Part#:1812J4K00271FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1812
  • In Stock:50016
$0.718/pcsRFQ
2220Y5K00101JCR Image
  • Part#:2220Y5K00101JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 5KV C0G/NP0 2220
  • In Stock:81404
$0.366/pcsRFQ
  • Part#:1206Y3001P10CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 1206
  • In Stock:157183
$0.15/pcsRFQ
1808Y2000391MDR Image
  • Part#:1808Y2000391MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 200V X7R 1808
  • In Stock:138637
$0.164/pcsRFQ
2225J0100123GCR Image
  • Part#:2225J0100123GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 10V C0G/NP0 2225
  • In Stock:22165
$1.652/pcsRFQ
2225Y2000270JFT Image
  • Part#:2225Y2000270JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 200V C0G/NP0 2225
  • In Stock:26069
$1.421/pcsRFQ
1808Y6300223JXT Image
  • Part#:1808Y6300223JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 630V X7R 1808
  • In Stock:71745
$0.302/pcsRFQ
1206Y2K03P60CQT Image
  • Part#:1206Y2K03P60CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.6PF 2000V C0G/NP0 1206
  • In Stock:92297
$0.225/pcsRFQ
2225J2000180KFR Image
  • Part#:2225J2000180KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 200V C0G/NP0 2225
  • In Stock:31220
$1.216/pcsRFQ
1808J0160390FFR Image
  • Part#:1808J0160390FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 16V C0G/NP0 1808
  • In Stock:68062
$0.527/pcsRFQ
0805Y1000223MDT Image
  • Part#:0805Y1000223MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 100V X7R 0805
  • In Stock:244557
$0.098/pcsRFQ
1206J0500681FFR Image
  • Part#:1206J0500681FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 50V C0G/NP0 1206
  • In Stock:70947
$0.447/pcsRFQ
1808Y1000182FCR Image
  • Part#:1808Y1000182FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 100V C0G/NP0 1808
  • In Stock:70636
$0.526/pcsRFQ
2225Y2000681JFT Image
  • Part#:2225Y2000681JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 200V C0G/NP0 2225
  • In Stock:17823
$1.721/pcsRFQ
1206Y0500222KCT Image
  • Part#:1206Y0500222KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 50V C0G/NP0 1206
  • In Stock:204518
$0.104/pcsRFQ
1206J2004P70DFR Image
  • Part#:1206J2004P70DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 200V C0G/NP0 1206
  • In Stock:219729
$0.105/pcsRFQ
2225Y0500563JCT Image
  • Part#:2225Y0500563JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 50V C0G/NP0 2225
  • In Stock:20323
$1.514/pcsRFQ
1206Y1000222JDT Image
  • Part#:1206Y1000222JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 100V X7R 1206
  • In Stock:167394
$0.141/pcsRFQ
1111J2000122JQT Image
  • Part#:1111J2000122JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 200V C0G/NP0 1111
  • In Stock:54981
$0.576/pcsRFQ
0805Y0500182MXR Image
  • Part#:0805Y0500182MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 50V X7R 0805
  • In Stock:476751
$0.048/pcsRFQ
2225J2500224MDR Image
  • Part#:2225J2500224MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 250V X7R 2225
  • In Stock:25678
$1.172/pcsRFQ
1808Y2000823JDR Image
  • Part#:1808Y2000823JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 200V X7R 1808
  • In Stock:76127
$0.289/pcsRFQ
1808Y0250472KCR Image
  • Part#:1808Y0250472KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 25V C0G/NP0 1808
  • In Stock:179687
$0.118/pcsRFQ
1206Y1K05P10CQT Image
  • Part#:1206Y1K05P10CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.1PF 1KV C0G/NP0 1206
  • In Stock:90084
$0.234/pcsRFQ
1812Y0500273JCR Image
  • Part#:1812Y0500273JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 50V C0G/NP0 1812
  • In Stock:71896
$0.47/pcsRFQ
1210J0630820GAT Image
  • Part#:1210J0630820GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 63V C0G/NP0 1210
  • In Stock:75439
$0.442/pcsRFQ
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