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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

2220J0250104JFR Image
  • Part#:2220J0250104JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 25V C0G/NP0 2220
  • In Stock:20263
$1.614/pcsRFQ
1812J0500561KFT Image
  • Part#:1812J0500561KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 50V C0G/NP0 1812
  • In Stock:84672
$0.383/pcsRFQ
  • Part#:0603J0502P20BAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0603
  • In Stock:120741
$0.179/pcsRFQ
2225J6300100FCR Image
  • Part#:2225J6300100FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 630V C0G/NP0 2225
  • In Stock:14520
$2.422/pcsRFQ
1210Y1000391GAT Image
  • Part#:1210Y1000391GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 100V C0G/NP0 1210
  • In Stock:68894
$0.459/pcsRFQ
1210Y0500473MXT Image
  • Part#:1210Y0500473MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 50V X7R 1210
  • In Stock:157723
$0.148/pcsRFQ
2225Y2500182FCR Image
  • Part#:2225Y2500182FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 250V C0G/NP0 2225
  • In Stock:7842
$3.795/pcsRFQ
0805J0254P70DFR Image
  • Part#:0805J0254P70DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 25V C0G/NP0 0805
  • In Stock:296621
$0.079/pcsRFQ
0603Y250P900CQT Image
  • Part#:0603Y250P900CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.9PF 250V C0G/NP0 0603
  • In Stock:253150
$0.084/pcsRFQ
1206Y0160391KDR Image
  • Part#:1206Y0160391KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 16V X7R 1206
  • In Stock:198486
$0.117/pcsRFQ
1808J2500563KXR Image
  • Part#:1808J2500563KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 250V X7R 1808
  • In Stock:101123
$0.191/pcsRFQ
2225J0250103GCT Image
  • Part#:2225J0250103GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 25V C0G/NP0 2225
  • In Stock:22883
$1.678/pcsRFQ
1825Y0500330FCR Image
  • Part#:1825Y0500330FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 50V C0G/NP0 1825
  • In Stock:11056
$3.065/pcsRFQ
2220J0250121GCR Image
  • Part#:2220J0250121GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 25V C0G/NP0 2220
  • In Stock:28485
$1.286/pcsRFQ
0603J0250822JXT Image
  • Part#:0603J0250822JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 25V X7R 0603
  • In Stock:416039
$0.056/pcsRFQ
1210Y1K00221KAR Image
  • Part#:1210Y1K00221KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1KV C0G/NP0 1210
  • In Stock:105269
$0.195/pcsRFQ
1206J2502P20BQT Image
  • Part#:1206J2502P20BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 250V C0G/NP0 1206
  • In Stock:108389
$0.185/pcsRFQ
1808J0250151FFT Image
  • Part#:1808J0250151FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 25V C0G/NP0 1808
  • In Stock:59408
$0.554/pcsRFQ
2220J5000334MDR Image
  • Part#:2220J5000334MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 500V X7R 2220
  • In Stock:33901
$1.016/pcsRFQ
1812J2500270FCR Image
  • Part#:1812J2500270FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 250V C0G/NP0 1812
  • In Stock:40262
$0.782/pcsRFQ
0603Y0500360KQT Image
  • Part#:0603Y0500360KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 36PF 50V C0G/NP0 0603
  • In Stock:179995
$0.107/pcsRFQ
0505J2500130FQT Image
  • Part#:0505J2500130FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 13PF 250V C0G/NP0 0505
  • In Stock:35479
$1.033/pcsRFQ
0603Y0250392MXT Image
  • Part#:0603Y0250392MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 25V X7R 0603
  • In Stock:446434
$0.043/pcsRFQ
1808Y2000681GFR Image
  • Part#:1808Y2000681GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 200V C0G/NP0 1808
  • In Stock:61728
$0.304/pcsRFQ
0505J0630470JQT Image
  • Part#:0505J0630470JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 63V C0G/NP0 0505
  • In Stock:99571
$0.193/pcsRFQ
0805Y5001P20BFT Image
  • Part#:0805Y5001P20BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 500V C0G/NP0 0805
  • In Stock:70813
$0.293/pcsRFQ
0603J0500123MDT Image
  • Part#:0603J0500123MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 50V X7R 0603
  • In Stock:357981
$0.067/pcsRFQ
2220J1K00472JXR Image
  • Part#:2220J1K00472JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 1KV X7R 2220
  • In Stock:60355
$0.555/pcsRFQ
1210J2000120KFT Image
  • Part#:1210J2000120KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 200V C0G/NP0 1210
  • In Stock:93982
$0.255/pcsRFQ
1808Y1K20152JXR Image
  • Part#:1808Y1K20152JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 1.2KV X7R 1808
  • In Stock:126010
$0.153/pcsRFQ
1206Y0250472GCT Image
  • Part#:1206Y0250472GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 25V C0G/NP0 1206
  • In Stock:101608
$0.219/pcsRFQ
1812Y0500223MDT Image
  • Part#:1812Y0500223MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 50V X7R 1812
  • In Stock:86403
$0.424/pcsRFQ
0603Y5000681MXT Image
  • Part#:0603Y5000681MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 500V X7R 0603
  • In Stock:482411
$0.046/pcsRFQ
1206J0630151FQT Image
  • Part#:1206J0630151FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 63V C0G/NP0 1206
  • In Stock:9720
$3.571/pcsRFQ
1812Y1K20471KXT Image
  • Part#:1812Y1K20471KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.2KV X7R 1812
  • In Stock:65154
$0.296/pcsRFQ
1812J1000392FFT Image
  • Part#:1812J1000392FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 100V C0G/NP0 1812
  • In Stock:22090
$1.523/pcsRFQ
1808J0630152JDT Image
  • Part#:1808J0630152JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 63V X7R 1808
  • In Stock:90729
$0.257/pcsRFQ
1210Y0630470GFR Image
  • Part#:1210Y0630470GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 63V C0G/NP0 1210
  • In Stock:78175
$0.443/pcsRFQ
1825J2500683KXT Image
  • Part#:1825J2500683KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 250V X7R 1825
  • In Stock:53912
$0.715/pcsRFQ
2220J2K50330GCR Image
  • Part#:2220J2K50330GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 2.5KV C0G/NP0 2220
  • In Stock:38489
$0.885/pcsRFQ
1808J2500272FCR Image
  • Part#:1808J2500272FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 250V C0G/NP0 1808
  • In Stock:56707
$0.612/pcsRFQ
2220Y0500563FCT Image
  • Part#:2220Y0500563FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 50V C0G/NP0 2220
  • In Stock:8755
$3.929/pcsRFQ
0805Y1001P20BCR Image
  • Part#:0805Y1001P20BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 100V C0G/NP0 0805
  • In Stock:131132
$0.173/pcsRFQ
1812J3K00221FCT Image
  • Part#:1812J3K00221FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 3KV C0G/NP0 1812
  • In Stock:40786
$0.858/pcsRFQ
0805Y0160470FFR Image
  • Part#:0805Y0160470FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 16V C0G/NP0 0805
  • In Stock:75294
$0.265/pcsRFQ
1206J5000390GCR Image
  • Part#:1206J5000390GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 500V C0G/NP0 1206
  • In Stock:142792
$0.135/pcsRFQ
1812Y0250562FCT Image
  • Part#:1812Y0250562FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 25V C0G/NP0 1812
  • In Stock:25361
$1.203/pcsRFQ
1210J0500102JFT Image
  • Part#:1210J0500102JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 50V C0G/NP0 1210
  • In Stock:74075
$0.266/pcsRFQ
1812Y5000182KXR Image
  • Part#:1812Y5000182KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 500V X7R 1812
  • In Stock:73562
$0.258/pcsRFQ
1206Y2500392JDT Image
  • Part#:1206Y2500392JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 250V X7R 1206
  • In Stock:166523
$0.144/pcsRFQ
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