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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

2225Y0250224KXT Image
  • Part#:2225Y0250224KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 25V X7R 2225
  • In Stock:39942
$0.891/pcsRFQ
1825Y0100824KXR Image
  • Part#:1825Y0100824KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 10V X7R 1825
  • In Stock:41667
$0.805/pcsRFQ
2225Y5000181KCR Image
  • Part#:2225Y5000181KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 500V C0G/NP0 2225
  • In Stock:51174
$0.755/pcsRFQ
1812J0630391JFR Image
  • Part#:1812J0630391JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 63V C0G/NP0 1812
  • In Stock:85591
$0.361/pcsRFQ
  • Part#:1206Y0250684MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 25V X7R 1206
  • In Stock:87619
$0.215/pcsRFQ
2220J0500470JCR Image
  • Part#:2220J0500470JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 50V C0G/NP0 2220
  • In Stock:44920
$0.715/pcsRFQ
1206J0630101KXT Image
  • Part#:1206J0630101KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 63V X7R 1206
  • In Stock:272862
$0.079/pcsRFQ
1206Y0500121JQT Image
  • Part#:1206Y0500121JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 50V C0G/NP0 1206
  • In Stock:111685
$0.2/pcsRFQ
1206Y1000911FQT Image
  • Part#:1206Y1000911FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 910PF 100V C0G/NP0 1206
  • In Stock:33851
$0.969/pcsRFQ
1206Y2506P80CCR Image
  • Part#:1206Y2506P80CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 250V C0G/NP0 1206
  • In Stock:185760
$0.11/pcsRFQ
1808Y5K00681MXR Image
  • Part#:1808Y5K00681MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 5KV X7R 1808
  • In Stock:114828
$0.19/pcsRFQ
1210J0160125KDT Image
  • Part#:1210J0160125KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2UF 16V X7R 1210
  • In Stock:72630
$0.423/pcsRFQ
1812J2K00272MXT Image
  • Part#:1812J2K00272MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 2KV X7R 1812
  • In Stock:78664
$0.271/pcsRFQ
0603J1000680GAT Image
  • Part#:0603J1000680GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 100V C0G/NP0 0603
  • In Stock:155742
$0.128/pcsRFQ
0603Y0630100GFT Image
  • Part#:0603Y0630100GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 63V C0G/NP0 0603
  • In Stock:156278
$0.128/pcsRFQ
1210J0630272MXR Image
  • Part#:1210J0630272MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 63V X7R 1210
  • In Stock:156259
$0.135/pcsRFQ
1206Y0160272KXT Image
  • Part#:1206Y0160272KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 16V X7R 1206
  • In Stock:233158
$0.084/pcsRFQ
0805J5000330KFT Image
  • Part#:0805J5000330KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 500V C0G/NP0 0805
  • In Stock:263240
$0.077/pcsRFQ
1206J2500152GFR Image
  • Part#:1206J2500152GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 250V C0G/NP0 1206
  • In Stock:67725
$0.299/pcsRFQ
2225Y5000820KCT Image
  • Part#:2225Y5000820KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 500V C0G/NP0 2225
  • In Stock:38827
$0.794/pcsRFQ
1808J1K00390GFT Image
  • Part#:1808J1K00390GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 1KV C0G/NP0 1808
  • In Stock:57530
$0.355/pcsRFQ
  • Part#:0805J0630563MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 63V X7R 0805
  • In Stock:239030
$0.082/pcsRFQ
0805J0500100GFT Image
  • Part#:0805J0500100GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 50V C0G/NP0 0805
  • In Stock:166146
$0.139/pcsRFQ
2220J1000271FFR Image
  • Part#:2220J1000271FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 100V C0G/NP0 2220
  • In Stock:8996
$4.098/pcsRFQ
0805Y5006P80DAT Image
  • Part#:0805Y5006P80DAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 500V C0G/NP0 0805
  • In Stock:242749
$0.082/pcsRFQ
1825J2K00121JCT Image
  • Part#:1825J2K00121JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 2KV C0G/NP0 1825
  • In Stock:58206
$0.58/pcsRFQ
1812J1000472GCT Image
  • Part#:1812J1000472GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V C0G/NP0 1812
  • In Stock:66794
$0.531/pcsRFQ
1210Y6300220GCR Image
  • Part#:1210Y6300220GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 630V C0G/NP0 1210
  • In Stock:94868
$0.218/pcsRFQ
0805Y1K00681MXT Image
  • Part#:0805Y1K00681MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1KV X7R 0805
  • In Stock:395549
$0.056/pcsRFQ
0805Y0500124KET Image
  • Part#:0805Y0500124KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 50V X7R 0805
  • In Stock:161851
$0.124/pcsRFQ
0805Y0500103KST Image
  • Part#:0805Y0500103KST
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 50V X7R 0805
  • In Stock:416162
$0.056/pcsRFQ
0505Y1500470GQT Image
  • Part#:0505Y1500470GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 150V C0G/NP0 0505
  • In Stock:57628
$0.333/pcsRFQ
1111Y2000331KQT Image
  • Part#:1111Y2000331KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 200V C0G/NP0 1111
  • In Stock:64559
$0.355/pcsRFQ
0505Y1500560KQT Image
  • Part#:0505Y1500560KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 150V C0G/NP0 0505
  • In Stock:114680
$0.171/pcsRFQ
1812J1000272FFR Image
  • Part#:1812J1000272FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 100V C0G/NP0 1812
  • In Stock:20109
$1.495/pcsRFQ
1210J6300121KCT Image
  • Part#:1210J6300121KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 630V C0G/NP0 1210
  • In Stock:178208
$0.114/pcsRFQ
  • Part#:0805J0250124MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 25V X7R 0805
  • In Stock:267122
$0.085/pcsRFQ
1111J1004P30CQT Image
  • Part#:1111J1004P30CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.3PF 100V C0G/NP0 1111
  • In Stock:67213
$0.331/pcsRFQ
1812Y0630122KFR Image
  • Part#:1812Y0630122KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 63V C0G/NP0 1812
  • In Stock:81662
$0.4/pcsRFQ
1808J0100394MXT Image
  • Part#:1808J0100394MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 10V X7R 1808
  • In Stock:115312
$0.168/pcsRFQ
1812Y0630223MXT Image
  • Part#:1812Y0630223MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 63V X7R 1812
  • In Stock:69316
$0.296/pcsRFQ
2225J2500184JDR Image
  • Part#:2225J2500184JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 250V X7R 2225
  • In Stock:30001
$1.307/pcsRFQ
0805J0500182FFT Image
  • Part#:0805J0500182FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 50V C0G/NP0 0805
  • In Stock:83396
$0.4/pcsRFQ
1210Y0630270JCT Image
  • Part#:1210Y0630270JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 63V C0G/NP0 1210
  • In Stock:113950
$0.174/pcsRFQ
0805Y2500682KXR Image
  • Part#:0805Y2500682KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 250V X7R 0805
  • In Stock:368799
$0.062/pcsRFQ
1812Y2000222FAT Image
  • Part#:1812Y2000222FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 200V C0G/NP0 1812
  • In Stock:18938
$1.651/pcsRFQ
0805J2003P90BFR Image
  • Part#:0805J2003P90BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 200V C0G/NP0 0805
  • In Stock:90086
$0.251/pcsRFQ
0603Y500P470BCT Image
  • Part#:0603Y500P470BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47PF 500V C0G/NP0 0603
  • In Stock:136827
$0.154/pcsRFQ
0505Y0638P20CQT Image
  • Part#:0505Y0638P20CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 63V C0G/NP0 0505
  • In Stock:83780
$0.252/pcsRFQ
2225Y0250470GCT Image
  • Part#:2225Y0250470GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 25V C0G/NP0 2225
  • In Stock:16558
$1.905/pcsRFQ
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