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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

0805J2006P80BQT Image
  • Part#:0805J2006P80BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 200V C0G/NP0 0805
  • In Stock:60439
$0.349/pcsRFQ
1206J1K00391KFR Image
  • Part#:1206J1K00391KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV C0G/NP0 1206
  • In Stock:160564
$0.138/pcsRFQ
0805Y2503P90CUT Image
  • Part#:0805Y2503P90CUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 250V C0G/NP0 0805
  • In Stock:120963
$0.175/pcsRFQ
1808J2K00680JCR Image
  • Part#:1808J2K00680JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 2KV C0G/NP0 1808
  • In Stock:156573
$0.149/pcsRFQ
0805Y5000271KFT Image
  • Part#:0805Y5000271KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 0805
  • In Stock:278466
$0.085/pcsRFQ
1210Y0630330GCT Image
  • Part#:1210Y0630330GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 63V C0G/NP0 1210
  • In Stock:78497
$0.3/pcsRFQ
1808Y0160150GFR Image
  • Part#:1808Y0160150GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 16V C0G/NP0 1808
  • In Stock:67458
$0.313/pcsRFQ
0603Y2000471MET Image
  • Part#:0603Y2000471MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 200V X7R 0603
  • In Stock:352266
$0.062/pcsRFQ
1812J2000122JCR Image
  • Part#:1812J2000122JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 200V C0G/NP0 1812
  • In Stock:73131
$0.267/pcsRFQ
2225Y1K00820JCR Image
  • Part#:2225Y1K00820JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 1KV C0G/NP0 2225
  • In Stock:54402
$0.683/pcsRFQ
1206J0500270JAT Image
  • Part#:1206J0500270JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 50V C0G/NP0 1206
  • In Stock:169758
$0.12/pcsRFQ
2220J1K00682KFR Image
  • Part#:2220J1K00682KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 1KV C0G/NP0 2220
  • In Stock:34661
$1.106/pcsRFQ
1206Y0250683MXR Image
  • Part#:1206Y0250683MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 25V X7R 1206
  • In Stock:233471
$0.081/pcsRFQ
2220J1K50681GCR Image
  • Part#:2220J1K50681GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1.5KV C0G/NP0 2220
  • In Stock:36620
$0.986/pcsRFQ
1210Y0250183KDT Image
  • Part#:1210Y0250183KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 25V X7R 1210
  • In Stock:106440
$0.224/pcsRFQ
1812J1000150JFT Image
  • Part#:1812J1000150JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 100V C0G/NP0 1812
  • In Stock:74628
$0.463/pcsRFQ
2225Y2K00470FCR Image
  • Part#:2225Y2K00470FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 2KV C0G/NP0 2225
  • In Stock:18610
$2.041/pcsRFQ
0505Y2500130GQT Image
  • Part#:0505Y2500130GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 13PF 250V C0G/NP0 0505
  • In Stock:69129
$0.321/pcsRFQ
1210Y0630103GCR Image
  • Part#:1210Y0630103GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 63V C0G/NP0 1210
  • In Stock:85545
$0.4/pcsRFQ
0805Y1000361FQT Image
  • Part#:0805Y1000361FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 360PF 100V C0G/NP0 0805
  • In Stock:45596
$0.741/pcsRFQ
0505J0630121KQT Image
  • Part#:0505J0630121KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 0505
  • In Stock:108804
$0.192/pcsRFQ
2225Y1K50182MXT Image
  • Part#:2225Y1K50182MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1.5KV X7R 2225
  • In Stock:39642
$0.844/pcsRFQ
2220Y0500821JFR Image
  • Part#:2220Y0500821JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 50V C0G/NP0 2220
  • In Stock:28958
$1.115/pcsRFQ
1812Y1000155KXT Image
  • Part#:1812Y1000155KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5UF 100V X7R 1812
  • In Stock:52883
$0.721/pcsRFQ
1111J1K00750FQT Image
  • Part#:1111J1K00750FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 75PF 1KV C0G/NP0 1111
  • In Stock:29043
$1.259/pcsRFQ
0805J1000560FAR Image
  • Part#:0805J1000560FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 100V C0G/NP0 0805
  • In Stock:88274
$0.257/pcsRFQ
1812J6K00100FCT Image
  • Part#:1812J6K00100FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 6KV C0G/NP0 1812
  • In Stock:63761
$0.617/pcsRFQ
1210Y0250392KCT Image
  • Part#:1210Y0250392KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 25V C0G/NP0 1210
  • In Stock:120892
$0.185/pcsRFQ
1825J1K20182KCR Image
  • Part#:1825J1K20182KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1.2KV C0G 1825
  • In Stock:59769
$0.557/pcsRFQ
  • Part#:1812J0160560FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1812
  • In Stock:38853
$0.768/pcsRFQ
1825J0630822FCR Image
  • Part#:1825J0630822FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 63V C0G/NP0 1825
  • In Stock:13551
$2.69/pcsRFQ
2220Y5000221JCT Image
  • Part#:2220Y5000221JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 500V C0G/NP0 2220
  • In Stock:61980
$0.601/pcsRFQ
1812Y0250103KFR Image
  • Part#:1812Y0250103KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 25V C0G/NP0 1812
  • In Stock:75495
$0.494/pcsRFQ
1206Y5003P00BQT Image
  • Part#:1206Y5003P00BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3PF 500V C0G/NP0 1206
  • In Stock:84369
$0.228/pcsRFQ
2220Y2500331FCR Image
  • Part#:2220Y2500331FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 250V C0G/NP0 2220
  • In Stock:10564
$3.339/pcsRFQ
1812Y6K00100KCR Image
  • Part#:1812Y6K00100KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 6KV C0G/NP0 1812
  • In Stock:73289
$0.262/pcsRFQ
2220J0500181FCT Image
  • Part#:2220J0500181FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 50V C0G/NP0 2220
  • In Stock:12605
$2.565/pcsRFQ
0805Y5000820GQT Image
  • Part#:0805Y5000820GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 500V C0G/NP0 0805
  • In Stock:59758
$0.348/pcsRFQ
1111J5000200FUT Image
  • Part#:1111J5000200FUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 20PF 500V C0G/NP0 1111
  • In Stock:5304
 RFQ
0805J0630101JXR Image
  • Part#:0805J0630101JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 63V X7R 0805
  • In Stock:372088
$0.059/pcsRFQ
  • Part#:0805Y1000122JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0805
  • In Stock:234358
$0.094/pcsRFQ
1808J2500472FCR Image
  • Part#:1808J2500472FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 250V C0G/NP0 1808
  • In Stock:37304
$0.838/pcsRFQ
1206Y5000391KAR Image
  • Part#:1206Y5000391KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V C0G/NP0 1206
  • In Stock:167394
$0.128/pcsRFQ
1206J2K00121KXR Image
  • Part#:1206J2K00121KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 2KV X7R 1206
  • In Stock:246992
$0.079/pcsRFQ
2211YA250390FCRSPU Image
  • Part#:2211YA250390FCRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 250V C0G/NP0 2211
  • In Stock:25717
$1.538/pcsRFQ
0505Y3001P90CQT Image
  • Part#:0505Y3001P90CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.9PF 300V C0G/NP0 0505
  • In Stock:111259
$0.176/pcsRFQ
2220J2000332KCR Image
  • Part#:2220J2000332KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 200V C0G/NP0 2220
  • In Stock:56297
$0.68/pcsRFQ
2220Y6300822FCR Image
  • Part#:2220Y6300822FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 630V C0G/NP0 2220
  • In Stock:10854
$2.857/pcsRFQ
1206Y0630271JCR Image
  • Part#:1206Y0630271JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 63V C0G/NP0 1206
  • In Stock:263969
$0.085/pcsRFQ
1825Y1K50821KCR Image
  • Part#:1825Y1K50821KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1.5KV C0G/NP0 1825
  • In Stock:46556
$0.726/pcsRFQ
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