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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

1210J5000681JCT Image
  • Part#:1210J5000681JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 500V C0G/NP0 1210
  • In Stock:142639
$0.143/pcsRFQ
0603J1000470GFT Image
  • Part#:0603J1000470GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 100V C0G/NP0 0603
  • In Stock:181576
$0.125/pcsRFQ
1210J1K00122KCR Image
  • Part#:1210J1K00122KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 1KV C0G/NP0 1210
  • In Stock:125636
$0.182/pcsRFQ
2225J5000103JXR Image
  • Part#:2225J5000103JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 500V X7R 2225
  • In Stock:52411
$0.727/pcsRFQ
1812J5000272FCT Image
  • Part#:1812J5000272FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 500V C0G/NP0 1812
  • In Stock:44981
$0.703/pcsRFQ
2225J0500473GFT Image
  • Part#:2225J0500473GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 50V C0G/NP0 2225
  • In Stock:9966
$3.494/pcsRFQ
1825Y1000821KCT Image
  • Part#:1825Y1000821KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 100V C0G/NP0 1825
  • In Stock:46359
$0.831/pcsRFQ
1210J5000221KFR Image
  • Part#:1210J5000221KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 500V C0G/NP0 1210
  • In Stock:141528
$0.155/pcsRFQ
2225J2K00151KCR Image
  • Part#:2225J2K00151KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 2KV C0G/NP0 2225
  • In Stock:54362
$0.614/pcsRFQ
0603Y0504P70CAT Image
  • Part#:0603Y0504P70CAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 50V C0G/NP0 0603
  • In Stock:197571
$0.106/pcsRFQ
1825Y6300332MXR Image
  • Part#:1825Y6300332MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 630V X7R 1825
  • In Stock:57044
$0.554/pcsRFQ
2225J1000124JDT Image
  • Part#:2225J1000124JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 100V X7R 2225
  • In Stock:29693
$1.277/pcsRFQ
2220J0630120GCT Image
  • Part#:2220J0630120GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 63V C0G/NP0 2220
  • In Stock:31259
$1.252/pcsRFQ
0805J5000180KDT Image
  • Part#:0805J5000180KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 500V X7R 0805
  • In Stock:273469
$0.078/pcsRFQ
1812Y2000334JDR Image
  • Part#:1812Y2000334JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 200V X7R 1812
  • In Stock:39620
$0.894/pcsRFQ
1206Y2000301KQT Image
  • Part#:1206Y2000301KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 300PF 200V C0G/NP0 1206
  • In Stock:72864
$0.26/pcsRFQ
1808J5000681KCR Image
  • Part#:1808J5000681KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 500V C0G/NP0 1808
  • In Stock:163419
$0.129/pcsRFQ
1210J0160334JXT Image
  • Part#:1210J0160334JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 16V X7R 1210
  • In Stock:75769
$0.248/pcsRFQ
1808J1K20121FCT Image
  • Part#:1808J1K20121FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1.2KV C0G/NP0 1808
  • In Stock:80509
$0.447/pcsRFQ
0805Y1002P00BQT Image
  • Part#:0805Y1002P00BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2PF 100V C0G/NP0 0805
  • In Stock:143685
$0.158/pcsRFQ
1111J5000100GQT Image
  • Part#:1111J5000100GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 500V C0G/NP0 1111
  • In Stock:52247
$0.594/pcsRFQ
1206J1K20562JXT Image
  • Part#:1206J1K20562JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 1.2KV X7R 1206
  • In Stock:111200
$0.183/pcsRFQ
1808Y0160152KDR Image
  • Part#:1808Y0160152KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 16V X7R 1808
  • In Stock:139177
$0.162/pcsRFQ
2225Y0500105MXT Image
  • Part#:2225Y0500105MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1UF 50V X7R 2225
  • In Stock:32733
$0.936/pcsRFQ
0603Y2500331JDR Image
  • Part#:0603Y2500331JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 250V X7R 0603
  • In Stock:294772
$0.072/pcsRFQ
1812Y1000181KCR Image
  • Part#:1812Y1000181KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 100V C0G/NP0 1812
  • In Stock:77636
$0.289/pcsRFQ
0805Y1000560FCT Image
  • Part#:0805Y1000560FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 100V C0G/NP0 0805
  • In Stock:104650
$0.195/pcsRFQ
1206Y5000271KQT Image
  • Part#:1206Y5000271KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 1206
  • In Stock:70406
$0.284/pcsRFQ
1111J3000131JQT Image
  • Part#:1111J3000131JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 130PF 300V C0G/NP0 1111
  • In Stock:59153
$0.356/pcsRFQ
0805Y0500102GFR Image
  • Part#:0805Y0500102GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 50V C0G/NP0 0805
  • In Stock:125882
$0.149/pcsRFQ
1808J1K00221FCR Image
  • Part#:1808J1K00221FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1KV C0G/NP0 1808
  • In Stock:58944
$0.533/pcsRFQ
1808Y5000273JXR Image
  • Part#:1808Y5000273JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 500V X7R 1808
  • In Stock:73043
$0.26/pcsRFQ
1206Y1000391KDR Image
  • Part#:1206Y1000391KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 100V X7R 1206
  • In Stock:190872
$0.108/pcsRFQ
0805Y5000151FAT Image
  • Part#:0805Y5000151FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 500V C0G/NP0 0805
  • In Stock:71326
$0.294/pcsRFQ
2220Y0100152JCR Image
  • Part#:2220Y0100152JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 10V C0G/NP0 2220
  • In Stock:43935
$0.751/pcsRFQ
2225J1000472JFT Image
  • Part#:2225J1000472JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V C0G/NP0 2225
  • In Stock:23111
$1.309/pcsRFQ
2220J0630273GFT Image
  • Part#:2220J0630273GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 63V C0G/NP0 2220
  • In Stock:16263
$2.242/pcsRFQ
2220Y1K00220JFR Image
  • Part#:2220Y1K00220JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 1KV C0G/NP0 2220
  • In Stock:40515
$0.788/pcsRFQ
0805J0250473KXR Image
  • Part#:0805J0250473KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 25V X7R 0805
  • In Stock:336909
$0.063/pcsRFQ
0603J3000430JQT Image
  • Part#:0603J3000430JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 43PF 300V C0G/NP0 0603
  • In Stock:179980
$0.129/pcsRFQ
1825J2500333KXT Image
  • Part#:1825J2500333KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 250V X7R 1825
  • In Stock:50555
$0.71/pcsRFQ
1812Y2000274KET Image
  • Part#:1812Y2000274KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 200V X7R 1812
  • In Stock:53171
$0.684/pcsRFQ
2225J0500101FFR Image
  • Part#:2225J0500101FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 50V C0G/NP0 2225
  • In Stock:8105
$4.129/pcsRFQ
2220J0160182GCR Image
  • Part#:2220J0160182GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 16V C0G/NP0 2220
  • In Stock:27310
$1.233/pcsRFQ
2225Y2000562JFT Image
  • Part#:2225Y2000562JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 200V C0G/NP0 2225
  • In Stock:16461
$1.834/pcsRFQ
1808J6300220GCR Image
  • Part#:1808J6300220GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 630V C0G/NP0 1808
  • In Stock:111325
$0.182/pcsRFQ
1206J2500441JQT Image
  • Part#:1206J2500441JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 440PF 250V C0G/NP0 1206
  • In Stock:67108
$0.31/pcsRFQ
1808J0500183KXR Image
  • Part#:1808J0500183KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 50V X7R 1808
  • In Stock:185076
$0.126/pcsRFQ
1812Y0630820GCT Image
  • Part#:1812Y0630820GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 63V C0G/NP0 1812
  • In Stock:61313
$0.565/pcsRFQ
2225J0160224KCT Image
  • Part#:2225J0160224KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 16V C0G/NP0 2225
  • In Stock:25873
$1.493/pcsRFQ
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