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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

1206Y3007P50BQT Image
  • Part#:1206Y3007P50BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 7.5PF 300V C0G/NP0 1206
  • In Stock:75456
$0.472/pcsRFQ
2220Y0630100JFR Image
  • Part#:2220Y0630100JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 63V C0G/NP0 2220
  • In Stock:25381
$1.21/pcsRFQ
1808YA250391MXRSPU Image
  • Part#:1808YA250391MXRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V X7R 1808
  • In Stock:100460
$0.214/pcsRFQ
1206J1K00390FAR Image
  • Part#:1206J1K00390FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 1000V C0G/NP0 1206
  • In Stock:66613
$0.459/pcsRFQ
1206Y2000681JAT Image
  • Part#:1206Y2000681JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 200V C0G/NP0 1206
  • In Stock:120205
$0.157/pcsRFQ
1808J2500561FFR Image
  • Part#:1808J2500561FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 250V C0G/NP0 1808
  • In Stock:61285
$0.593/pcsRFQ
1210Y0250681JCR Image
  • Part#:1210Y0250681JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 25V C0G/NP0 1210
  • In Stock:141593
$0.166/pcsRFQ
1206Y2500331FCT Image
  • Part#:1206Y2500331FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 250V C0G/NP0 1206
  • In Stock:55585
$0.341/pcsRFQ
0805J5000910JQT Image
  • Part#:0805J5000910JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 91PF 500V C0G/NP0 0805
  • In Stock:110742
$0.21/pcsRFQ
1808J2000823JDT Image
  • Part#:1808J2000823JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 200V X7R 1808
  • In Stock:68248
$0.314/pcsRFQ
1808J2500333MXT Image
  • Part#:1808J2500333MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 250V X7R 1808
  • In Stock:96880
$0.206/pcsRFQ
1812Y1K00392KDT Image
  • Part#:1812Y1K00392KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1KV X7R 1812
  • In Stock:78902
$0.417/pcsRFQ
1206J0161P50DCR Image
  • Part#:1206J0161P50DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 16V C0G/NP0 1206
  • In Stock:306579
$0.076/pcsRFQ
1210J1000223JXR Image
  • Part#:1210J1000223JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 100V X7R 1210
  • In Stock:116194
$0.174/pcsRFQ
1812Y2000183JET Image
  • Part#:1812Y2000183JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 200V X7R 1812
  • In Stock:58790
$0.553/pcsRFQ
1812Y0160472GCR Image
  • Part#:1812Y0160472GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 16V C0G/NP0 1812
  • In Stock:65010
$0.54/pcsRFQ
1825J0100152GCT Image
  • Part#:1825J0100152GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 10V C0G/NP0 1825
  • In Stock:28275
$1.337/pcsRFQ
1210Y0500180KFT Image
  • Part#:1210Y0500180KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 50V C0G/NP0 1210
  • In Stock:87320
$0.246/pcsRFQ
1206Y0500222FAT Image
  • Part#:1206Y0500222FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 50V C0G/NP0 1206
  • In Stock:66455
$0.543/pcsRFQ
1111J3000330GQT Image
  • Part#:1111J3000330GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 300V C0G/NP0 1111
  • In Stock:60121
$0.588/pcsRFQ
1210J2500153MDT Image
  • Part#:1210J2500153MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 250V X7R 1210
  • In Stock:103032
$0.219/pcsRFQ
1808Y0250150FFT Image
  • Part#:1808Y0250150FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 25V C0G/NP0 1808
  • In Stock:60898
$0.63/pcsRFQ
1825J1000273JCT Image
  • Part#:1825J1000273JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 100V C0G 1825
  • In Stock:29565
$1.034/pcsRFQ
2220Y5000101GFT Image
  • Part#:2220Y5000101GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 500V C0G/NP0 2220
  • In Stock:22157
$1.651/pcsRFQ
0805Y2500392KDT Image
  • Part#:0805Y2500392KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 250V X7R 0805
  • In Stock:231285
$0.1/pcsRFQ
  • Part#:0603J0500331JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 50V C0G/NP0 0603
  • In Stock:289339
$0.065/pcsRFQ
2225J1K00124KXT Image
  • Part#:2225J1K00124KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 1KV X7R 2225
  • In Stock:25652
$1.444/pcsRFQ
0805J5001P20CFT Image
  • Part#:0805J5001P20CFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 500V C0G/NP0 0805
  • In Stock:170078
$0.13/pcsRFQ
1808Y1K20392MXT Image
  • Part#:1808Y1K20392MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1.2KV X7R 1808
  • In Stock:137633
$0.175/pcsRFQ
1210Y0630470GAR Image
  • Part#:1210Y0630470GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 63V C0G/NP0 1210
  • In Stock:85069
$0.444/pcsRFQ
2225Y2K00181FCR Image
  • Part#:2225Y2K00181FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 2KV C0G/NP0 2225
  • In Stock:17963
$2.181/pcsRFQ
0805J0500821MDR Image
  • Part#:0805J0500821MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 50V X7R 0805
  • In Stock:287372
$0.069/pcsRFQ
2220Y0100103MXT Image
  • Part#:2220Y0100103MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 10V X7R 2220
  • In Stock:54062
$0.705/pcsRFQ
0805Y0250471MXR Image
  • Part#:0805Y0250471MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 25V X7R 0805
  • In Stock:389803
$0.048/pcsRFQ
0603J0160121MDR Image
  • Part#:0603J0160121MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 16V X7R 0603
  • In Stock:364638
$0.063/pcsRFQ
1206Y2500122MXT Image
  • Part#:1206Y2500122MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 250V X7R 1206
  • In Stock:257026
$0.082/pcsRFQ
2220J1000122KFT Image
  • Part#:2220J1000122KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 100V C0G/NP0 2220
  • In Stock:33888
$0.961/pcsRFQ
1210J1K20180JCT Image
  • Part#:1210J1K20180JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1.2KV C0G/NP0 1210
  • In Stock:155626
$0.14/pcsRFQ
1210Y0630124MXT Image
  • Part#:1210Y0630124MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 63V X7R 1210
  • In Stock:144609
$0.152/pcsRFQ
1808J6300333KXT Image
  • Part#:1808J6300333KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 630V X7R 1808
  • In Stock:86265
$0.224/pcsRFQ
2220Y0630560GCT Image
  • Part#:2220Y0630560GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 63V C0G/NP0 2220
  • In Stock:22329
$1.467/pcsRFQ
  • Part#:1206Y1001P20CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 1206
  • In Stock:129121
$0.151/pcsRFQ
1812J0160274KXT Image
  • Part#:1812J0160274KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 16V X7R 1812
  • In Stock:66732
$0.311/pcsRFQ
2220Y0100330FCR Image
  • Part#:2220Y0100330FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 10V C0G/NP0 2220
  • In Stock:12366
$2.777/pcsRFQ
1812Y1K00330FCR Image
  • Part#:1812Y1K00330FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 1KV C0G/NP0 1812
  • In Stock:37423
$0.817/pcsRFQ
2220J2000393KXR Image
  • Part#:2220J2000393KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 200V X7R 2220
  • In Stock:64881
$0.606/pcsRFQ
0505J200P300CQT Image
  • Part#:0505J200P300CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.3PF 200V C0G/NP0 0505
  • In Stock:129087
$0.17/pcsRFQ
0603J0250472MXR Image
  • Part#:0603J0250472MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 25V X7R 0603
  • In Stock:451892
$0.044/pcsRFQ
2225Y0500393GCT Image
  • Part#:2225Y0500393GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 50V C0G/NP0 2225
  • In Stock:16974
$2.332/pcsRFQ
1206Y0630683KXR Image
  • Part#:1206Y0630683KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 63V X7R 1206
  • In Stock:291843
$0.083/pcsRFQ
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