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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

2220Y2K50331KXT Image
  • Part#:2220Y2K50331KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 2.5KV X7R 2220
  • In Stock:57135
$0.554/pcsRFQ
1812J5000221MDR Image
  • Part#:1812J5000221MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 500V X7R 1812
  • In Stock:57664
$0.354/pcsRFQ
1210J0500181KAT Image
  • Part#:1210J0500181KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 50V C0G/NP0 1210
  • In Stock:95969
$0.245/pcsRFQ
  • Part#:2220J0500153GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2220
  • In Stock:26516
$1.266/pcsRFQ
1210J5000220KFR Image
  • Part#:1210J5000220KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 500V C0G/NP0 1210
  • In Stock:131850
$0.153/pcsRFQ
1808Y0250562KFT Image
  • Part#:1808Y0250562KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 25V C0G/NP0 1808
  • In Stock:104095
$0.202/pcsRFQ
2211YA250821KXRSP Image
  • Part#:2211YA250821KXRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 250V X7R 2211
  • In Stock:74892
$0.516/pcsRFQ
1808J0250820KDT Image
  • Part#:1808J0250820KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 25V X7R 1808
  • In Stock:134617
$0.17/pcsRFQ
1206Y2K00120KCT Image
  • Part#:1206Y2K00120KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 2KV C0G/NP0 1206
  • In Stock:252119
$0.089/pcsRFQ
2225Y0630180GCT Image
  • Part#:2225Y0630180GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 63V C0G/NP0 2225
  • In Stock:23521
$1.591/pcsRFQ
1210J0160823JDR Image
  • Part#:1210J0160823JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 16V X7R 1210
  • In Stock:86345
$0.263/pcsRFQ
2220Y0250151KFT Image
  • Part#:2220Y0250151KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 25V C0G/NP0 2220
  • In Stock:32699
$1.186/pcsRFQ
1812Y1000680GCR Image
  • Part#:1812Y1000680GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 100V C0G/NP0 1812
  • In Stock:69489
$0.543/pcsRFQ
0603J0630271JFR Image
  • Part#:0603J0630271JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 63V C0G/NP0 0603
  • In Stock:254707
$0.079/pcsRFQ
1812J5000122KFR Image
  • Part#:1812J5000122KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 500V C0G/NP0 1812
  • In Stock:61645
$0.358/pcsRFQ
2220J0500333JFR Image
  • Part#:2220J0500333JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V C0G/NP0 2220
  • In Stock:25354
$1.274/pcsRFQ
2225Y0250820FCT Image
  • Part#:2225Y0250820FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 25V C0G/NP0 2225
  • In Stock:9028
$3.662/pcsRFQ
1210Y0160121JFR Image
  • Part#:1210Y0160121JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 16V C0G/NP0 1210
  • In Stock:90006
$0.247/pcsRFQ
  • Part#:1808Y0250103MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 25V X7R 1808
  • In Stock:115145
$0.195/pcsRFQ
0805J5000562JXR Image
  • Part#:0805J5000562JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 500V X7R 0805
  • In Stock:235353
$0.088/pcsRFQ
2225Y0500393JXR Image
  • Part#:2225Y0500393JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 50V X7R 2225
  • In Stock:35678
$0.881/pcsRFQ
1812J2K50391KCT Image
  • Part#:1812J2K50391KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 2.5KV C0G/NP0 1812
  • In Stock:84874
$0.399/pcsRFQ
  • Part#:0805J5000101KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 500V X7R 0805
  • In Stock:588179
$0.036/pcsRFQ
1210Y0634P70DCT Image
  • Part#:1210Y0634P70DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 63V C0G/NP0 1210
  • In Stock:94837
$0.213/pcsRFQ
1808Y2000471JDT Image
  • Part#:1808Y2000471JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 200V X7R 1808
  • In Stock:83157
$0.24/pcsRFQ
2220YA250181JXTB16 Image
  • Part#:2220YA250181JXTB16
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V X7R 2220
  • In Stock:60794
$0.542/pcsRFQ
1206Y0630182JER Image
  • Part#:1206Y0630182JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 63V X7R 1206
  • In Stock:158553
$0.136/pcsRFQ
0805Y1005P60DFT Image
  • Part#:0805Y1005P60DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 100V C0G/NP0 0805
  • In Stock:235339
$0.083/pcsRFQ
1808Y5000151MXT Image
  • Part#:1808Y5000151MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 500V X7R 1808
  • In Stock:126530
$0.156/pcsRFQ
1206J0102P20DCR Image
  • Part#:1206J0102P20DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 10V C0G/NP0 1206
  • In Stock:312120
$0.076/pcsRFQ
0805Y1502P40BQT Image
  • Part#:0805Y1502P40BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.4PF 150V C0G/NP0 0805
  • In Stock:115333
$0.173/pcsRFQ
1206J1K21P00BCT Image
  • Part#:1206J1K21P00BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 1.2KV C0G/NP0 1206
  • In Stock:76331
$0.31/pcsRFQ
1210Y2K00471MXT Image
  • Part#:1210Y2K00471MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 2KV X7R 1210
  • In Stock:168338
$0.122/pcsRFQ
1210J2000473KDT Image
  • Part#:1210J2000473KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 200V X7R 1210
  • In Stock:78379
$0.276/pcsRFQ
2220J5000332MDT Image
  • Part#:2220J5000332MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 500V X7R 2220
  • In Stock:57212
$0.58/pcsRFQ
2225J5000271GCR Image
  • Part#:2225J5000271GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 2225
  • In Stock:29735
$1.279/pcsRFQ
0603Y0160221KDR Image
  • Part#:0603Y0160221KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 16V X7R 0603
  • In Stock:306003
$0.069/pcsRFQ
1808Y1000271JCR Image
  • Part#:1808Y1000271JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 100V C0G/NP0 1808
  • In Stock:167294
$0.123/pcsRFQ
0603J5000102MXR Image
  • Part#:0603J5000102MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 500V X7R 0603
  • In Stock:444813
$0.048/pcsRFQ
1812J0160470FFR Image
  • Part#:1812J0160470FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 16V C0G/NP0 1812
  • In Stock:27522
$1.25/pcsRFQ
1210Y1K50471KCT Image
  • Part#:1210Y1K50471KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.5KV C0G/NP0 1210
  • In Stock:108221
$0.207/pcsRFQ
2225J0160124GFR Image
  • Part#:2225J0160124GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 16V C0G/NP0 2225
  • In Stock:8600
$3.584/pcsRFQ
2220Y0500104MDT Image
  • Part#:2220Y0500104MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 50V X7R 2220
  • In Stock:39679
$0.973/pcsRFQ
0805Y2000221KQT Image
  • Part#:0805Y2000221KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 200V C0G/NP0 0805
  • In Stock:119727
$0.197/pcsRFQ
1206Y2500560JCT Image
  • Part#:1206Y2500560JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 250V C0G/NP0 1206
  • In Stock:239589
$0.088/pcsRFQ
1206J0630181GQT Image
  • Part#:1206J0630181GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 63V C0G/NP0 1206
  • In Stock:63932
$0.338/pcsRFQ
0603J0250220GCR Image
  • Part#:0603J0250220GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 25V C0G/NP0 0603
  • In Stock:200987
$0.102/pcsRFQ
0603J3005P10HQT Image
  • Part#:0603J3005P10HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.1PF 300V C0G/NP0 0603
  • In Stock:94912
$0.377/pcsRFQ
1812Y0250124KCT Image
  • Part#:1812Y0250124KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 25V C0G/NP0 1812
  • In Stock:34105
$0.958/pcsRFQ
2225Y1000393KXT Image
  • Part#:2225Y1000393KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 100V X7R 2225
  • In Stock:48479
$0.785/pcsRFQ
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