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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

0805J0500183JDT Image
  • Part#:0805J0500183JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 50V X7R 0805
  • In Stock:164927
$0.117/pcsRFQ
1812J1K00331FAT Image
  • Part#:1812J1K00331FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1KV C0G/NP0 1812
  • In Stock:26639
$1.2/pcsRFQ
2225J4K00120GCT Image
  • Part#:2225J4K00120GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 4KV C0G/NP0 2225
  • In Stock:44026
$0.689/pcsRFQ
1206Y6300331JET Image
  • Part#:1206Y6300331JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 630V X7R 1206
  • In Stock:171677
$0.135/pcsRFQ
1206Y5000121GAR Image
  • Part#:1206Y5000121GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 500V C0G/NP0 1206
  • In Stock:88582
$0.216/pcsRFQ
1812Y6300562FCR Image
  • Part#:1812Y6300562FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 630V C0G/NP0 1812
  • In Stock:21744
$1.666/pcsRFQ
2220J0630123GCT Image
  • Part#:2220J0630123GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 63V C0G/NP0 2220
  • In Stock:27806
$1.275/pcsRFQ
0805Y0500271GCR Image
  • Part#:0805Y0500271GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 50V C0G/NP0 0805
  • In Stock:216553
$0.096/pcsRFQ
1210J0635P60DCR Image
  • Part#:1210J0635P60DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 63V C0G/NP0 1210
  • In Stock:109471
$0.192/pcsRFQ
1210J1000123FAT Image
  • Part#:1210J1000123FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER .012UF 100V C0G/NP0 1210
  • In Stock:25046
$1.456/pcsRFQ
  • Part#:1808J2000392FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:45427
$0.661/pcsRFQ
1210Y0250151GCR Image
  • Part#:1210Y0250151GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 25V C0G/NP0 1210
  • In Stock:74693
$0.286/pcsRFQ
2225Y4K00392JXT Image
  • Part#:2225Y4K00392JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 4KV X7R 2225
  • In Stock:51250
$0.686/pcsRFQ
2220J0630335JXR Image
  • Part#:2220J0630335JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3UF 63V X7R 2220
  • In Stock:24127
$1.607/pcsRFQ
2225J0250683KFR Image
  • Part#:2225J0250683KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 25V C0G/NP0 2225
  • In Stock:18602
$1.71/pcsRFQ
1808Y1000101KXT Image
  • Part#:1808Y1000101KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 100V X7R 1808
  • In Stock:162613
$0.128/pcsRFQ
1210Y2000222KXT Image
  • Part#:1210Y2000222KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 200V X7R 1210
  • In Stock:130939
$0.162/pcsRFQ
0805J2500822JDR Image
  • Part#:0805J2500822JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 250V X7R 0805
  • In Stock:197979
$0.108/pcsRFQ
1210J2500332GFT Image
  • Part#:1210J2500332GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 250V C0G/NP0 1210
  • In Stock:64727
$0.611/pcsRFQ
0505Y0631P50BQT Image
  • Part#:0505Y0631P50BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 63V C0G/NP0 0505
  • In Stock:118396
$0.188/pcsRFQ
1206J0250222JXR Image
  • Part#:1206J0250222JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 25V X7R 1206
  • In Stock:261990
$0.09/pcsRFQ
0805J2000102MXT Image
  • Part#:0805J2000102MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 200V X7R 0805
  • In Stock:318953
$0.063/pcsRFQ
1812Y6300152JXT Image
  • Part#:1812Y6300152JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 630V X7R 1812
  • In Stock:77195
$0.312/pcsRFQ
1210J0160824MDR Image
  • Part#:1210J0160824MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 16V X7R 1210
  • In Stock:58676
$0.356/pcsRFQ
1111Y2500910GQT Image
  • Part#:1111Y2500910GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 91PF 250V C0G/NP0 1111
  • In Stock:53191
$0.566/pcsRFQ
1206Y2500122JFR Image
  • Part#:1206Y2500122JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 250V C0G/NP0 1206
  • In Stock:132363
$0.17/pcsRFQ
1825J0100395MXR Image
  • Part#:1825J0100395MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9UF 10V X7R 1825
  • In Stock:30762
$0.971/pcsRFQ
2225Y0500184KDR Image
  • Part#:2225Y0500184KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 50V X7R 2225
  • In Stock:28659
$1.293/pcsRFQ
2220Y2K50121JCR Image
  • Part#:2220Y2K50121JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 2.5KV C0G/NP0 2220
  • In Stock:56716
$0.561/pcsRFQ
1210Y0500122JFT Image
  • Part#:1210Y0500122JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 50V C0G/NP0 1210
  • In Stock:80358
$0.281/pcsRFQ
0805J5002P20CCT Image
  • Part#:0805J5002P20CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 500V C0G/NP0 0805
  • In Stock:212485
$0.089/pcsRFQ
  • Part#:1812J5000332FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1812
  • In Stock:42355
$0.913/pcsRFQ
  • Part#:0603J1000100KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 100V C0G/NP0 0603
  • In Stock:601115
$0.036/pcsRFQ
2220J5000331KFR Image
  • Part#:2220J5000331KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V C0G/NP0 2220
  • In Stock:44012
$0.728/pcsRFQ
2225Y2K50221KCR Image
  • Part#:2225Y2K50221KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 2.5KV C0G/NP0 2225
  • In Stock:47994
$0.712/pcsRFQ
2225J2K50392KXT Image
  • Part#:2225J2K50392KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 2.5KV X7R 2225
  • In Stock:40569
$0.853/pcsRFQ
0603Y2001P20DCR Image
  • Part#:0603Y2001P20DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 200V C0G/NP0 0603
  • In Stock:462979
$0.05/pcsRFQ
0805Y0252P20DFR Image
  • Part#:0805Y0252P20DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 25V C0G/NP0 0805
  • In Stock:274306
$0.078/pcsRFQ
0603J1000471JXR Image
  • Part#:0603J1000471JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 100V X7R 0603
  • In Stock:391844
$0.05/pcsRFQ
2225Y3K00332MXR Image
  • Part#:2225Y3K00332MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 3KV X7R 2225
  • In Stock:46691
$0.676/pcsRFQ
1812Y6300683MET Image
  • Part#:1812Y6300683MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 630V X7R 1812
  • In Stock:77083
$0.468/pcsRFQ
0805J5001P20DQT Image
  • Part#:0805J5001P20DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 500V C0G/NP0 0805
  • In Stock:124564
$0.152/pcsRFQ
1825Y2500224KXT Image
  • Part#:1825Y2500224KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 250V X7R 1825
  • In Stock:39797
$0.887/pcsRFQ
1812J0100105MXR Image
  • Part#:1812J0100105MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1UF 10V X7R 1812
  • In Stock:61006
$0.353/pcsRFQ
1825J6300270GCT Image
  • Part#:1825J6300270GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 630V C0G/NP0 1825
  • In Stock:33293
$1.015/pcsRFQ
1808Y0100681JXT Image
  • Part#:1808Y0100681JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 10V X7R 1808
  • In Stock:151242
$0.14/pcsRFQ
2220Y0630121FFR Image
  • Part#:2220Y0630121FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 2220
  • In Stock:9745
$4.037/pcsRFQ
2225Y2000100KCT Image
  • Part#:2225Y2000100KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 200V C0G/NP0 2225
  • In Stock:40937
$0.917/pcsRFQ
1825J2K50331MXR Image
  • Part#:1825J2K50331MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 2.5KV X7R 1825
  • In Stock:68954
$0.458/pcsRFQ
1812Y0500333JCR Image
  • Part#:1812Y0500333JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V C0G/NP0 1812
  • In Stock:66221
$0.519/pcsRFQ
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