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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

1812Y1K00103MET Image
  • Part#:1812Y1K00103MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 1KV X7R 1812
  • In Stock:86990
$0.408/pcsRFQ
0805J0630101JDR Image
  • Part#:0805J0630101JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 63V X7R 0805
  • In Stock:269033
$0.085/pcsRFQ
1812J0160330GCT Image
  • Part#:1812J0160330GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 16V C0G/NP0 1812
  • In Stock:74919
$0.446/pcsRFQ
0603Y0100681JXR Image
  • Part#:0603Y0100681JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 10V X7R 0603
  • In Stock:355953
$0.055/pcsRFQ
1210Y0500220JFT Image
  • Part#:1210Y0500220JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 50V C0G/NP0 1210
  • In Stock:74841
$0.267/pcsRFQ
2225Y0250150GCR Image
  • Part#:2225Y0250150GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 25V C0G/NP0 2225
  • In Stock:19393
$1.824/pcsRFQ
2220J5K00560FCT Image
  • Part#:2220J5K00560FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 5KV C0G/NP0 2220
  • In Stock:31935
$1.165/pcsRFQ
1812J0630471JAR Image
  • Part#:1812J0630471JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 63V C0G/NP0 1812
  • In Stock:104541
$0.36/pcsRFQ
2220J0250562JCR Image
  • Part#:2220J0250562JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 25V C0G/NP0 2220
  • In Stock:49801
$0.669/pcsRFQ
1808Y5000122GCT Image
  • Part#:1808Y5000122GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 500V C0G/NP0 1808
  • In Stock:78494
$0.294/pcsRFQ
1210J1K00122MDT Image
  • Part#:1210J1K00122MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 1KV X7R 1210
  • In Stock:146648
$0.162/pcsRFQ
2225J5000182KDT Image
  • Part#:2225J5000182KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 500V X7R 2225
  • In Stock:40750
$0.85/pcsRFQ
  • Part#:1808Y0160272GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:136837
$0.155/pcsRFQ
1210Y0500332JCT Image
  • Part#:1210Y0500332JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 50V C0G/NP0 1210
  • In Stock:104501
$0.195/pcsRFQ
0805Y2000101JQT Image
  • Part#:0805Y2000101JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 200V C0G/NP0 0805
  • In Stock:93507
$0.232/pcsRFQ
1210Y0250471FCT Image
  • Part#:1210Y0250471FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 25V C0G/NP0 1210
  • In Stock:60759
$0.603/pcsRFQ
1812Y5000561FCT Image
  • Part#:1812Y5000561FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 500V C0G/NP0 1812
  • In Stock:45071
$0.71/pcsRFQ
1206Y2003P30DAT Image
  • Part#:1206Y2003P30DAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 200V C0G/NP0 1206
  • In Stock:181607
$0.116/pcsRFQ
0805J0108P20BCR Image
  • Part#:0805J0108P20BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 10V C0G/NP0 0805
  • In Stock:116284
$0.167/pcsRFQ
2220Y0630273JCT Image
  • Part#:2220Y0630273JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 63V C0G/NP0 2220
  • In Stock:39326
$0.95/pcsRFQ
2220J5000184MXR Image
  • Part#:2220J5000184MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 500V X7R 2220
  • In Stock:74906
$0.524/pcsRFQ
0805Y0500272MDT Image
  • Part#:0805Y0500272MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 50V X7R 0805
  • In Stock:262812
$0.081/pcsRFQ
  • Part#:0603J0250104MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.10UF 25V X7R 0603
  • In Stock:447184
$0.044/pcsRFQ
2225Y0160154KDT Image
  • Part#:2225Y0160154KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 16V X7R 2225
  • In Stock:26899
$1.331/pcsRFQ
2220Y1K50182FCR Image
  • Part#:2220Y1K50182FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1.5KV C0G 2220
  • In Stock:17410
$2.039/pcsRFQ
0603J0630560FCR Image
  • Part#:0603J0630560FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 63V C0G/NP0 0603
  • In Stock:146570
$0.156/pcsRFQ
1808JA250471JCTSPU Image
  • Part#:1808JA250471JCTSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V C0G/NP0 1808
  • In Stock:77059
$0.256/pcsRFQ
2225J1K00223KDR Image
  • Part#:2225J1K00223KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 1KV X7R 2225
  • In Stock:33937
$1.049/pcsRFQ
0805Y0160150KFR Image
  • Part#:0805Y0160150KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 16V C0G/NP0 0805
  • In Stock:308986
$0.073/pcsRFQ
2225Y0500105MDR Image
  • Part#:2225Y0500105MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1UF 50V X7R 2225
  • In Stock:23353
$1.348/pcsRFQ
0603Y063P680BCT Image
  • Part#:0603Y063P680BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68PF 63V C0G/NP0 0603
  • In Stock:142428
$0.148/pcsRFQ
1812Y0500152JFT Image
  • Part#:1812Y0500152JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 50V C0G/NP0 1812
  • In Stock:79895
$0.456/pcsRFQ
2220J4K00221JCT Image
  • Part#:2220J4K00221JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 4KV C0G/NP0 2220
  • In Stock:66864
$0.35/pcsRFQ
1206Y1000471MET Image
  • Part#:1206Y1000471MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 100V X7R 1206
  • In Stock:209761
$0.11/pcsRFQ
0805Y2001P10BUT Image
  • Part#:0805Y2001P10BUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.1PF 200V C0G/NP0 0805
  • In Stock:120404
$0.173/pcsRFQ
2225J2K00471JCR Image
  • Part#:2225J2K00471JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 2KV C0G/NP0 2225
  • In Stock:47420
$0.757/pcsRFQ
0603Y2500222KXR Image
  • Part#:0603Y2500222KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 250V X7R 0603
  • In Stock:425093
$0.045/pcsRFQ
1210Y0500333FCT Image
  • Part#:1210Y0500333FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V C0G/NP0 1210
  • In Stock:28620
$1.318/pcsRFQ
1825Y0630183KXR Image
  • Part#:1825Y0630183KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 63V X7R 1825
  • In Stock:42581
$0.761/pcsRFQ
0603Y0100392JCR Image
  • Part#:0603Y0100392JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 10V C0G/NP0 0603
  • In Stock:257578
$0.075/pcsRFQ
1206Y6300270FAT Image
  • Part#:1206Y6300270FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 630V C0G/NP0 1206
  • In Stock:91725
$0.407/pcsRFQ
0805Y0100123JXR Image
  • Part#:0805Y0100123JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 10V X7R 0805
  • In Stock:246256
$0.079/pcsRFQ
2220J0500333GFT Image
  • Part#:2220J0500333GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V C0G/NP0 2220
  • In Stock:14933
$2.224/pcsRFQ
1111Y1K00181KQT Image
  • Part#:1111Y1K00181KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1KV C0G/NP0 1111
  • In Stock:80383
$0.386/pcsRFQ
1808J1K50181JXR Image
  • Part#:1808J1K50181JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1.5KV X7R 1808
  • In Stock:106858
$0.192/pcsRFQ
0805J5000100KFT Image
  • Part#:0805J5000100KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 500V C0G/NP0 0805
  • In Stock:296978
$0.077/pcsRFQ
2225J0160220GCR Image
  • Part#:2225J0160220GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 16V C0G/NP0 2225
  • In Stock:23752
$1.652/pcsRFQ
2220Y0160330FCT Image
  • Part#:2220Y0160330FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 16V C0G/NP0 2220
  • In Stock:13344
$2.838/pcsRFQ
  • Part#:0805J2501P00DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 250V C0G/NP0 0805
  • In Stock:424171
$0.045/pcsRFQ
1210Y0160392KFT Image
  • Part#:1210Y0160392KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 16V C0G/NP0 1210
  • In Stock:84291
$0.279/pcsRFQ
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