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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

0805J0630120KCR Image
  • Part#:0805J0630120KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 63V C0G/NP0 0805
  • In Stock:390574
$0.05/pcsRFQ
1812J0160124KCR Image
  • Part#:1812J0160124KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 16V C0G/NP0 1812
  • In Stock:45561
$0.723/pcsRFQ
1206Y0630152JXT Image
  • Part#:1206Y0630152JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 63V X7R 1206
  • In Stock:212005
$0.095/pcsRFQ
1808Y1000271GCT Image
  • Part#:1808Y1000271GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 100V C0G/NP0 1808
  • In Stock:97237
$0.219/pcsRFQ
1206Y2000271FAT Image
  • Part#:1206Y2000271FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 200V C0G/NP0 1206
  • In Stock:66807
$0.503/pcsRFQ
0805J0500224KDR Image
  • Part#:0805J0500224KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 50V X7R 0805
  • In Stock:166860
$0.125/pcsRFQ
2220Y0250180KFT Image
  • Part#:2220Y0250180KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 25V C0G/NP0 2220
  • In Stock:29234
$1.195/pcsRFQ
1210Y5000680FFR Image
  • Part#:1210Y5000680FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 500V C0G/NP0 1210
  • In Stock:61156
$0.605/pcsRFQ
0805J1000180FAR Image
  • Part#:0805J1000180FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 100V C0G/NP0 0805
  • In Stock:88676
$0.264/pcsRFQ
1808J2000391GFR Image
  • Part#:1808J2000391GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 200V C0G/NP0 1808
  • In Stock:78117
$0.279/pcsRFQ
1210J0500222JFT Image
  • Part#:1210J0500222JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 50V C0G/NP0 1210
  • In Stock:87130
$0.27/pcsRFQ
1808J0500681KFR Image
  • Part#:1808J0500681KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 50V C0G/NP0 1808
  • In Stock:147024
$0.163/pcsRFQ
1808JA250331MXRSPU Image
  • Part#:1808JA250331MXRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 250V X7R 1808
  • In Stock:109984
$0.174/pcsRFQ
1210J0258P20BCT Image
  • Part#:1210J0258P20BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 25V C0G/NP0 1210
  • In Stock:97574
$0.372/pcsRFQ
2220Y0500473MDT Image
  • Part#:2220Y0500473MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 50V X7R 2220
  • In Stock:33069
$0.972/pcsRFQ
0603J0500681FCR Image
  • Part#:0603J0500681FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 50V C0G/NP0 0603
  • In Stock:112808
$0.19/pcsRFQ
1808Y0636P80DCT Image
  • Part#:1808Y0636P80DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 63V C0G/NP0 1808
  • In Stock:148252
$0.148/pcsRFQ
2225Y0250391JFT Image
  • Part#:2225Y0250391JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 2225
  • In Stock:22511
$1.62/pcsRFQ
0805Y0250391KCR Image
  • Part#:0805Y0250391KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 0805
  • In Stock:368115
$0.053/pcsRFQ
0805Y0630151KDT Image
  • Part#:0805Y0630151KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 63V X7R 0805
  • In Stock:242080
$0.081/pcsRFQ
2225Y2500221FFT Image
  • Part#:2225Y2500221FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V C0G/NP0 2225
  • In Stock:7152
$4.954/pcsRFQ
0805J2500470KCT Image
  • Part#:0805J2500470KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 250V C0G/NP0 0805
  • In Stock:317983
$0.061/pcsRFQ
1206J1K00183KXT Image
  • Part#:1206J1K00183KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 1KV X7R 1206
  • In Stock:212566
$0.114/pcsRFQ
1825J0100153JCT Image
  • Part#:1825J0100153JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 10V C0G/NP0 1825
  • In Stock:38881
$0.845/pcsRFQ
0805Y0630561FAT Image
  • Part#:0805Y0630561FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 63V C0G/NP0 0805
  • In Stock:62706
$0.311/pcsRFQ
1210Y0630560GAT Image
  • Part#:1210Y0630560GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 63V C0G/NP0 1210
  • In Stock:83123
$0.446/pcsRFQ
2225Y5000122FFR Image
  • Part#:2225Y5000122FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 500V C0G/NP0 2225
  • In Stock:10030
$3.209/pcsRFQ
1808J2500271JDT Image
  • Part#:1808J2500271JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 250V X7R 1808
  • In Stock:88506
$0.227/pcsRFQ
1206J5000561FAT Image
  • Part#:1206J5000561FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 500V C0G/NP0 1206
  • In Stock:60785
$0.519/pcsRFQ
111122K05P60BQT Image
  • Part#:111122K05P60BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 2KV C0G/NP0 1111
  • In Stock:60930
$0.31/pcsRFQ
1210Y0250125MXR Image
  • Part#:1210Y0250125MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2UF 25V X7R 1210
  • In Stock:70655
$0.299/pcsRFQ
1808Y6300472MXR Image
  • Part#:1808Y6300472MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 630V X7R 1808
  • In Stock:91347
$0.209/pcsRFQ
1808Y1K58P20DCR Image
  • Part#:1808Y1K58P20DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 1.5KV C0G/NP0 1808
  • In Stock:104340
$0.205/pcsRFQ
2220Y2K50561FCR Image
  • Part#:2220Y2K50561FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 2.5KV C0G/NP0 2220
  • In Stock:13557
$2.45/pcsRFQ
1206Y1K00470KAT Image
  • Part#:1206Y1K00470KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 1KV C0G/NP0 1206
  • In Stock:173598
$0.137/pcsRFQ
1206Y2000102JAT Image
  • Part#:1206Y2000102JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 200V C0G/NP0 1206
  • In Stock:117786
$0.159/pcsRFQ
0805J2000471GCT Image
  • Part#:0805J2000471GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 200V C0G/NP0 0805
  • In Stock:144560
$0.133/pcsRFQ
0805Y0500391FCR Image
  • Part#:0805Y0500391FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 50V C0G/NP0 0805
  • In Stock:130265
$0.184/pcsRFQ
1210Y0500102GFR Image
  • Part#:1210Y0500102GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 50V C0G/NP0 1210
  • In Stock:87858
$0.45/pcsRFQ
2225Y4K00221KCT Image
  • Part#:2225Y4K00221KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 4KV C0G/NP0 2225
  • In Stock:66954
$0.469/pcsRFQ
0603Y0630122JCT Image
  • Part#:0603Y0630122JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 63V C0G/NP0 0603
  • In Stock:387582
$0.06/pcsRFQ
1825Y1K00104JXR Image
  • Part#:1825Y1K00104JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 1KV X7R 1825
  • In Stock:28660
$1.054/pcsRFQ
1812J1K00102FFT Image
  • Part#:1812J1K00102FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1KV C0G/NP0 1812
  • In Stock:23913
$1.311/pcsRFQ
1808Y0250392JDT Image
  • Part#:1808Y0250392JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 25V X7R 1808
  • In Stock:91252
$0.206/pcsRFQ
1812Y5000333MER Image
  • Part#:1812Y5000333MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 500V X7R 1812
  • In Stock:85776
$0.377/pcsRFQ
2225J1000220FFR Image
  • Part#:2225J1000220FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 100V C0G/NP0 2225
  • In Stock:7761
$4.168/pcsRFQ
  • Part#:2220J1K00272JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 1000V C0G 2220
  • In Stock:47990
$0.747/pcsRFQ
2225J4K00271KCR Image
  • Part#:2225J4K00271KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 4KV C0G/NP0 2225
  • In Stock:92215
$0.375/pcsRFQ
2220Y1K50221FCT Image
  • Part#:2220Y1K50221FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1.5KV C0G/NP0 2220
  • In Stock:18329
$1.866/pcsRFQ
1206Y2000470KCR Image
  • Part#:1206Y2000470KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 200V C0G/NP0 1206
  • In Stock:292068
$0.078/pcsRFQ
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