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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

1812J1K00682MXT Image
  • Part#:1812J1K00682MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 1KV X7R 1812
  • In Stock:89531
$0.264/pcsRFQ
  • Part#:2220J0500560KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 50V C0G/NP0 2220
  • In Stock:38729
$0.913/pcsRFQ
1210J1000682MXR Image
  • Part#:1210J1000682MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 100V X7R 1210
  • In Stock:147508
$0.134/pcsRFQ
2225Y2000155JXR Image
  • Part#:2225Y2000155JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5UF 200V X7R 2225
  • In Stock:23075
$1.707/pcsRFQ
1812J2000474JDT Image
  • Part#:1812J2000474JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 200V X7R 1812
  • In Stock:34785
$0.89/pcsRFQ
0603J1000471JCT Image
  • Part#:0603J1000471JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 100V C0G/NP0 0603
  • In Stock:401655
$0.059/pcsRFQ
1210Y1000123MXT Image
  • Part#:1210Y1000123MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 100V X7R 1210
  • In Stock:144911
$0.148/pcsRFQ
1808J0250123KFT Image
  • Part#:1808J0250123KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 25V C0G/NP0 1808
  • In Stock:72179
$0.27/pcsRFQ
1808Y1000472MXR Image
  • Part#:1808Y1000472MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V X7R 1808
  • In Stock:202460
$0.114/pcsRFQ
2220Y5000563KXR Image
  • Part#:2220Y5000563KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 500V X7R 2220
  • In Stock:70801
$0.525/pcsRFQ
1210Y2000100FFR Image
  • Part#:1210Y2000100FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 200V C0G/NP0 1210
  • In Stock:37183
$0.896/pcsRFQ
1206J0160181MDR Image
  • Part#:1206J0160181MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 16V X7R 1206
  • In Stock:205607
$0.115/pcsRFQ
2220Y0500104GCT Image
  • Part#:2220Y0500104GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 50V C0G/NP0 2220
  • In Stock:15008
$2.483/pcsRFQ
1825Y0100681KCR Image
  • Part#:1825Y0100681KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 10V C0G/NP0 1825
  • In Stock:47866
$0.785/pcsRFQ
1808Y0250271JXR Image
  • Part#:1808Y0250271JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 25V X7R 1808
  • In Stock:194432
$0.12/pcsRFQ
1825Y0500470FCR Image
  • Part#:1825Y0500470FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 50V C0G/NP0 1825
  • In Stock:11840
$2.968/pcsRFQ
2225Y0250471GFT Image
  • Part#:2225Y0250471GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 25V C0G/NP0 2225
  • In Stock:12602
$2.798/pcsRFQ
2225J0100823KXT Image
  • Part#:2225J0100823KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 10V X7R 2225
  • In Stock:54103
$0.67/pcsRFQ
0805J5000470FAT Image
  • Part#:0805J5000470FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 500V C0G/NP0 0805
  • In Stock:80575
$0.265/pcsRFQ
0603Y1000121FAT Image
  • Part#:0603Y1000121FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 100V C0G/NP0 0603
  • In Stock:70695
$0.288/pcsRFQ
0603Y3000270KQT Image
  • Part#:0603Y3000270KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 300V C0G/NP0 0603
  • In Stock:236417
$0.102/pcsRFQ
2220J2K50331KXR Image
  • Part#:2220J2K50331KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 2.5KV X7R 2220
  • In Stock:73987
$0.442/pcsRFQ
1812Y0500102KFR Image
  • Part#:1812Y0500102KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 50V C0G/NP0 1812
  • In Stock:96246
$0.41/pcsRFQ
0805J0160472KDT Image
  • Part#:0805J0160472KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 16V X7R 0805
  • In Stock:232887
$0.084/pcsRFQ
1808J2500221JDT Image
  • Part#:1808J2500221JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V X7R 1808
  • In Stock:84946
$0.232/pcsRFQ
1808J2000563KXT Image
  • Part#:1808J2000563KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 200V X7R 1808
  • In Stock:106935
$0.206/pcsRFQ
1808Y5005P60BCT Image
  • Part#:1808Y5005P60BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 500V C0G/NP0 1808
  • In Stock:74323
$0.279/pcsRFQ
1808J0500473KDR Image
  • Part#:1808J0500473KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 50V X7R 1808
  • In Stock:113802
$0.189/pcsRFQ
0805J2000121FQT Image
  • Part#:0805J2000121FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 200V C0G/NP0 0805
  • In Stock:48940
$0.709/pcsRFQ
  • Part#:1808J0250121GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 25V C0G/NP0 1808
  • In Stock:79949
$0.234/pcsRFQ
1210Y2500151FCR Image
  • Part#:1210Y2500151FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 250V C0G/NP0 1210
  • In Stock:60757
$0.62/pcsRFQ
1206J3000110KQT Image
  • Part#:1206J3000110KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 11PF 300V C0G/NP0 1206
  • In Stock:114405
$0.207/pcsRFQ
1206J0500682GAR Image
  • Part#:1206J0500682GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 50V C0G/NP0 1206
  • In Stock:67420
$0.326/pcsRFQ
1206Y0630682KET Image
  • Part#:1206Y0630682KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 63V X7R 1206
  • In Stock:205109
$0.115/pcsRFQ
1808Y4K00680GCT Image
  • Part#:1808Y4K00680GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 4KV C0G/NP0 1808
  • In Stock:71017
$0.283/pcsRFQ
1808J5000180FCT Image
  • Part#:1808J5000180FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 500V C0G/NP0 1808
  • In Stock:67164
$0.502/pcsRFQ
2225J0100563GCT Image
  • Part#:2225J0100563GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 10V C0G/NP0 2225
  • In Stock:19233
$1.936/pcsRFQ
1825J5000821JXT Image
  • Part#:1825J5000821JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 500V X7R 1825
  • In Stock:46569
$0.668/pcsRFQ
2220Y6300270FCT Image
  • Part#:2220Y6300270FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 630V C0G/NP0 2220
  • In Stock:17069
$2.047/pcsRFQ
1808JA250180KCRSP Image
  • Part#:1808JA250180KCRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 250V C0G/NP0 1808
  • In Stock:110586
$0.209/pcsRFQ
1812J0500153JXR Image
  • Part#:1812J0500153JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 50V X7R 1812
  • In Stock:77703
$0.292/pcsRFQ
0603Y1004P70CCT Image
  • Part#:0603Y1004P70CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 100V C0G/NP0 0603
  • In Stock:255748
$0.075/pcsRFQ
0805Y0500680GAR Image
  • Part#:0805Y0500680GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 50V C0G/NP0 0805
  • In Stock:161805
$0.137/pcsRFQ
1812J2K00681JCT Image
  • Part#:1812J2K00681JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 2KV C0G/NP0 1812
  • In Stock:78617
$0.417/pcsRFQ
2225J6300153MXT Image
  • Part#:2225J6300153MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 630V X7R 2225
  • In Stock:48379
$0.629/pcsRFQ
1825Y0100474FCR Image
  • Part#:1825Y0100474FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 10V C0G/NP0 1825
  • In Stock:4359
$8.105/pcsRFQ
0505J2500360JQT Image
  • Part#:0505J2500360JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 36PF 250V C0G/NP0 0505
  • In Stock:111793
$0.188/pcsRFQ
1206J5000331GAT Image
  • Part#:1206J5000331GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V C0G/NP0 1206
  • In Stock:90405
$0.238/pcsRFQ
0603Y2002P70BFR Image
  • Part#:0603Y2002P70BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 200V C0G/NP0 0603
  • In Stock:108071
$0.22/pcsRFQ
2220Y0250823JCR Image
  • Part#:2220Y0250823JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 25V C0G/NP0 2220
  • In Stock:30477
$1.186/pcsRFQ
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