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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

0603Y0634P70BAT Image
  • Part#:0603Y0634P70BAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 63V C0G/NP0 0603
  • In Stock:86903
$0.23/pcsRFQ
2225J3K00122JXT Image
  • Part#:2225J3K00122JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 3KV X7R 2225
  • In Stock:36135
$0.853/pcsRFQ
0805Y0250561MXR Image
  • Part#:0805Y0250561MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 25V X7R 0805
  • In Stock:452383
$0.047/pcsRFQ
2225Y0630101KCR Image
  • Part#:2225Y0630101KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 63V C0G/NP0 2225
  • In Stock:39898
$0.837/pcsRFQ
1206J6300390KQT Image
  • Part#:1206J6300390KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 630V C0G/NP0 1206
  • In Stock:103433
$0.185/pcsRFQ
1808J0100221JCR Image
  • Part#:1808J0100221JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 10V C0G/NP0 1808
  • In Stock:181164
$0.118/pcsRFQ
1210J0100680FCR Image
  • Part#:1210J0100680FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 10V C0G/NP0 1210
  • In Stock:57828
$0.545/pcsRFQ
1825J0500470KCT Image
  • Part#:1825J0500470KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 50V C0G/NP0 1825
  • In Stock:42510
$0.742/pcsRFQ
1206Y1K01P20BAR Image
  • Part#:1206Y1K01P20BAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 1KV C0G/NP0 1206
  • In Stock:76217
$0.443/pcsRFQ
1808Y0500392KFR Image
  • Part#:1808Y0500392KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 50V C0G/NP0 1808
  • In Stock:108978
$0.172/pcsRFQ
1812J2500224JXT Image
  • Part#:1812J2500224JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 250V X7R 1812
  • In Stock:81414
$0.463/pcsRFQ
1812J4K00271JXR Image
  • Part#:1812J4K00271JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 4KV X7R 1812
  • In Stock:76019
$0.247/pcsRFQ
1808Y5000332KXR Image
  • Part#:1808Y5000332KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 500V X7R 1808
  • In Stock:184420
$0.118/pcsRFQ
1111Y1000431FQT Image
  • Part#:1111Y1000431FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 430PF 100V C0G/NP0 1111
  • In Stock:22646
$1.576/pcsRFQ
2225Y0500104JCR Image
  • Part#:2225Y0500104JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 50V C0G/NP0 2225
  • In Stock:23515
$1.639/pcsRFQ
2220Y0250822JFT Image
  • Part#:2220Y0250822JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 25V C0G/NP0 2220
  • In Stock:26483
$1.186/pcsRFQ
1808Y0160392MXT Image
  • Part#:1808Y0160392MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 16V X7R 1808
  • In Stock:146835
$0.135/pcsRFQ
2220J0500222JFT Image
  • Part#:2220J0500222JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 50V C0G/NP0 2220
  • In Stock:38840
$0.996/pcsRFQ
2220J0500120GCR Image
  • Part#:2220J0500120GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 50V C0G/NP0 2220
  • In Stock:27892
$1.276/pcsRFQ
2220J4K00151JCR Image
  • Part#:2220J4K00151JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 4KV C0G/NP0 2220
  • In Stock:70539
$0.295/pcsRFQ
1812J1000332FFR Image
  • Part#:1812J1000332FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 100V C0G/NP0 1812
  • In Stock:24183
$1.552/pcsRFQ
1808J2500391FCT Image
  • Part#:1808J2500391FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V C0G/NP0 1808
  • In Stock:74907
$0.406/pcsRFQ
0603Y1000331KAR Image
  • Part#:0603Y1000331KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 100V C0G/NP0 0603
  • In Stock:269638
$0.08/pcsRFQ
2220Y3K00330KCR Image
  • Part#:2220Y3K00330KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 3KV C0G/NP0 2220
  • In Stock:54912
$0.609/pcsRFQ
2220Y0500821JCR Image
  • Part#:2220Y0500821JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 50V C0G/NP0 2220
  • In Stock:49330
$0.774/pcsRFQ
2220J1K00331GFR Image
  • Part#:2220J1K00331GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1KV C0G/NP0 2220
  • In Stock:29221
$1.278/pcsRFQ
0805Y0100220KCT Image
  • Part#:0805Y0100220KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 10V C0G/NP0 0805
  • In Stock:375883
$0.056/pcsRFQ
1206Y5000470FCR Image
  • Part#:1206Y5000470FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 500V C0G/NP0 1206
  • In Stock:83535
$0.263/pcsRFQ
2220Y1K50561KCT Image
  • Part#:2220Y1K50561KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1.5KV C0G/NP0 2220
  • In Stock:51093
$0.597/pcsRFQ
2220J5000150FFR Image
  • Part#:2220J5000150FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 500V C0G/NP0 2220
  • In Stock:12327
$2.988/pcsRFQ
1808Y3K00821JXT Image
  • Part#:1808Y3K00821JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 3KV X7R 1808
  • In Stock:97048
$0.211/pcsRFQ
0805Y3000330KQT Image
  • Part#:0805Y3000330KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 300V C0G/NP0 0805
  • In Stock:140277
$0.16/pcsRFQ
1206Y0250331MDT Image
  • Part#:1206Y0250331MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 25V X7R 1206
  • In Stock:172669
$0.116/pcsRFQ
2220Y0250221KFT Image
  • Part#:2220Y0250221KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 25V C0G/NP0 2220
  • In Stock:27169
$1.266/pcsRFQ
1210J0165P60BFR Image
  • Part#:1210J0165P60BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 16V C0G/NP0 1210
  • In Stock:57538
$0.521/pcsRFQ
1808JA250101KCTSY2 Image
  • Part#:1808JA250101KCTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V C0G/NP0 1808
  • In Stock:76809
$0.268/pcsRFQ
2220J5K00121GCR Image
  • Part#:2220J5K00121GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 5KV C0G/NP0 2220
  • In Stock:54829
$0.562/pcsRFQ
1210Y2000182KXR Image
  • Part#:1210Y2000182KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 200V X7R 1210
  • In Stock:125976
$0.15/pcsRFQ
1206Y0630220GFT Image
  • Part#:1206Y0630220GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 63V C0G/NP0 1206
  • In Stock:87080
$0.223/pcsRFQ
2220Y1K00222KXT Image
  • Part#:2220Y1K00222KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 1KV X7R 2220
  • In Stock:67651
$0.557/pcsRFQ
1825J1000103FCT Image
  • Part#:1825J1000103FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 100V C0G 1825
  • In Stock:10550
$2.974/pcsRFQ
1808Y0250154KXT Image
  • Part#:1808Y0250154KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 25V X7R 1808
  • In Stock:109473
$0.179/pcsRFQ
0805J063P700HQT Image
  • Part#:0805J063P700HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.7PF 63V C0G/NP0 0805
  • In Stock:76797
$0.292/pcsRFQ
1808Y0250391JDR Image
  • Part#:1808Y0250391JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V X7R 1808
  • In Stock:113988
$0.178/pcsRFQ
1206J2000180GCR Image
  • Part#:1206J2000180GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 200V C0G/NP0 1206
  • In Stock:146723
$0.146/pcsRFQ
1808J0500103KXT Image
  • Part#:1808J0500103KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 50V X7R 1808
  • In Stock:161231
$0.14/pcsRFQ
2220JA250392JXTB16 Image
  • Part#:2220JA250392JXTB16
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 250V X7R 2220
  • In Stock:53473
$0.683/pcsRFQ
0603Y0250180FFR Image
  • Part#:0603Y0250180FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 25V C0G/NP0 0603
  • In Stock:55390
$0.349/pcsRFQ
1210J1005P60CCT Image
  • Part#:1210J1005P60CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 100V C0G/NP0 1210
  • In Stock:98360
$0.246/pcsRFQ
0603Y0100102GCT Image
  • Part#:0603Y0100102GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 10V C0G/NP0 0603
  • In Stock:189458
$0.12/pcsRFQ
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