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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

2225J0250331JCR Image
  • Part#:2225J0250331JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 25V C0G/NP0 2225
  • In Stock:38888
$0.937/pcsRFQ
0805J0500122KAT Image
  • Part#:0805J0500122KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 50V C0G/NP0 0805
  • In Stock:199802
$0.114/pcsRFQ
2225J2500103GFT Image
  • Part#:2225J2500103GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 250V C0G 2225
  • In Stock:11632
$2.9/pcsRFQ
1206Y2500121GFR Image
  • Part#:1206Y2500121GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 250V C0G/NP0 1206
  • In Stock:88917
$0.25/pcsRFQ
1206Y0500334KDR Image
  • Part#:1206Y0500334KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 50V X7R 1206
  • In Stock:107529
$0.197/pcsRFQ
1808YA250330GCRSPU Image
  • Part#:1808YA250330GCRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 250V C0G/NP0 1808
  • In Stock:83193
$0.384/pcsRFQ
0603Y5000470GCT Image
  • Part#:0603Y5000470GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 500V C0G/NP0 0603
  • In Stock:213252
$0.1/pcsRFQ
0603Y0630223JET Image
  • Part#:0603Y0630223JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 63V X7R 0603
  • In Stock:242292
$0.094/pcsRFQ
1812J4K00100FCR Image
  • Part#:1812J4K00100FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 4KV C0G/NP0 1812
  • In Stock:63784
$0.545/pcsRFQ
1812J6K00220JCR Image
  • Part#:1812J6K00220JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 6KV C0G/NP0 1812
  • In Stock:95634
$0.239/pcsRFQ
0805Y1K00121KXT Image
  • Part#:0805Y1K00121KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1KV X7R 0805
  • In Stock:338907
$0.06/pcsRFQ
0805J2000330JFT Image
  • Part#:0805J2000330JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 200V C0G/NP0 0805
  • In Stock:231383
$0.086/pcsRFQ
1812J0500150GAT Image
  • Part#:1812J0500150GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 50V C0G/NP0 1812
  • In Stock:39783
$0.795/pcsRFQ
1206Y1K20472KXT Image
  • Part#:1206Y1K20472KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 1.2KV X7R 1206
  • In Stock:202621
$0.099/pcsRFQ
0805J0630104MXR Image
  • Part#:0805J0630104MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 63V X7R 0805
  • In Stock:382389
$0.057/pcsRFQ
2220Y2000330JCR Image
  • Part#:2220Y2000330JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 200V C0G/NP0 2220
  • In Stock:46606
$0.84/pcsRFQ
1206J2500271JDT Image
  • Part#:1206J2500271JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 250V X7R 1206
  • In Stock:138887
$0.148/pcsRFQ
1206Y2500270JCR Image
  • Part#:1206Y2500270JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 250V C0G/NP0 1206
  • In Stock:253172
$0.082/pcsRFQ
1210J0250271FFR Image
  • Part#:1210J0250271FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 25V C0G/NP0 1210
  • In Stock:40876
$0.833/pcsRFQ
2211YA250470KCRSP Image
  • Part#:2211YA250470KCRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 250V C0G/NP0 2211
  • In Stock:67942
$0.535/pcsRFQ
1825J6300104MXR Image
  • Part#:1825J6300104MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 630V X7R 1825
  • In Stock:62913
$0.6/pcsRFQ
  • Part#:2225J3K00471KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:50568
$0.593/pcsRFQ
  • Part#:0603Y0160101KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 16V X7R 0603
  • In Stock:565107
$0.039/pcsRFQ
0805J0250331JDR Image
  • Part#:0805J0250331JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 25V X7R 0805
  • In Stock:256836
$0.086/pcsRFQ
1808Y2500184JDR Image
  • Part#:1808Y2500184JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 250V X7R 1808
  • In Stock:76425
$0.398/pcsRFQ
0805Y0250330GFR Image
  • Part#:0805Y0250330GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 25V C0G/NP0 0805
  • In Stock:169916
$0.14/pcsRFQ
1808J5000561KCT Image
  • Part#:1808J5000561KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 500V C0G/NP0 1808
  • In Stock:164906
$0.144/pcsRFQ
1808Y3K00122KXT Image
  • Part#:1808Y3K00122KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 3KV X7R 1808
  • In Stock:124297
$0.192/pcsRFQ
1812Y1K00562JET Image
  • Part#:1812Y1K00562JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 1KV X7R 1812
  • In Stock:78277
$0.503/pcsRFQ
1111Y1500820FQT Image
  • Part#:1111Y1500820FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 150V C0G/NP0 1111
  • In Stock:25459
$1.232/pcsRFQ
1206J1K23P90BCT Image
  • Part#:1206J1K23P90BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 1.2KV C0G/NP0 1206
  • In Stock:76052
$0.306/pcsRFQ
2225J0250275MDT Image
  • Part#:2225J0250275MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7UF 25V X7R 2225
  • In Stock:20645
$1.441/pcsRFQ
2225Y0100474JXT Image
  • Part#:2225Y0100474JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 10V X7R 2225
  • In Stock:31996
$1.091/pcsRFQ
1111J5005P60CUT Image
  • Part#:1111J5005P60CUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 500V C0G/NP0 1111
  • In Stock:4375
 RFQ
1812Y6300392JAR Image
  • Part#:1812Y6300392JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 630V C0G/NP0 1812
  • In Stock:59746
$0.627/pcsRFQ
  • Part#:1206Y0160121JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:263005
$0.078/pcsRFQ
0603Y2001P20CCR Image
  • Part#:0603Y2001P20CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 200V C0G/NP0 0603
  • In Stock:321123
$0.073/pcsRFQ
1111J630P700CQT Image
  • Part#:1111J630P700CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.7PF 630V C0G/NP0 1111
  • In Stock:76622
$0.275/pcsRFQ
1812Y6300562JET Image
  • Part#:1812Y6300562JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 630V X7R 1812
  • In Stock:75286
$0.472/pcsRFQ
1808Y0500123MXR Image
  • Part#:1808Y0500123MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 50V X7R 1808
  • In Stock:157379
$0.127/pcsRFQ
2220J3K00821KCT Image
  • Part#:2220J3K00821KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 3KV C0G/NP0 2220
  • In Stock:54383
$0.613/pcsRFQ
1808Y0500223KDR Image
  • Part#:1808Y0500223KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 50V X7R 1808
  • In Stock:118284
$0.195/pcsRFQ
1812Y2500122KCR Image
  • Part#:1812Y2500122KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 250V C0G/NP0 1812
  • In Stock:75376
$0.303/pcsRFQ
2220J1K00122FCR Image
  • Part#:2220J1K00122FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 1KV C0G/NP0 2220
  • In Stock:21571
$1.824/pcsRFQ
2225J1000333KXT Image
  • Part#:2225J1000333KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 100V X7R 2225
  • In Stock:58068
$0.655/pcsRFQ
2220Y0500680FCT Image
  • Part#:2220Y0500680FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 50V C0G/NP0 2220
  • In Stock:10930
$2.771/pcsRFQ
0805J0630392JXR Image
  • Part#:0805J0630392JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 63V X7R 0805
  • In Stock:328325
$0.065/pcsRFQ
1825J6300472JCR Image
  • Part#:1825J6300472JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 630V C0G/NP0 1825
  • In Stock:51445
$0.608/pcsRFQ
1812J1K20152KCR Image
  • Part#:1812J1K20152KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 1.2KV C0G 1812
  • In Stock:67049
$0.29/pcsRFQ
1808Y0250823JXR Image
  • Part#:1808Y0250823JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 25V X7R 1808
  • In Stock:127990
$0.167/pcsRFQ
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