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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

0603J0631P10HQT Image
  • Part#:0603J0631P10HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.1PF 63V C0G/NP0 0603
  • In Stock:112069
$0.177/pcsRFQ
  • Part#:2225J4K00471FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:19022
$1.996/pcsRFQ
2225J5000391KCT Image
  • Part#:2225J5000391KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V C0G/NP0 2225
  • In Stock:44163
$0.688/pcsRFQ
1812Y1K00221KFT Image
  • Part#:1812Y1K00221KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1KV C0G/NP0 1812
  • In Stock:90536
$0.412/pcsRFQ
1206J2500122JCT Image
  • Part#:1206J2500122JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 250V C0G/NP0 1206
  • In Stock:169241
$0.124/pcsRFQ
2225Y1K00561JCT Image
  • Part#:2225Y1K00561JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1KV C0G/NP0 2225
  • In Stock:34042
$0.875/pcsRFQ
1210J6300330GCR Image
  • Part#:1210J6300330GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 630V C0G/NP0 1210
  • In Stock:96645
$0.212/pcsRFQ
2220J0160223JDR Image
  • Part#:2220J0160223JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 16V X7R 2220
  • In Stock:31118
$1.116/pcsRFQ
  • Part#:0603J1001P00CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 100V C0G/NP0 0603
  • In Stock:381449
$0.058/pcsRFQ
1210J6300221JCT Image
  • Part#:1210J6300221JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 630V C0G/NP0 1210
  • In Stock:172753
$0.13/pcsRFQ
2225Y0250121JCR Image
  • Part#:2225Y0250121JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 25V C0G/NP0 2225
  • In Stock:31776
$1.025/pcsRFQ
1808JA250271KCTSP Image
  • Part#:1808JA250271KCTSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 250V C0G/NP0 1808
  • In Stock:83209
$0.257/pcsRFQ
0505J1000221GQT Image
  • Part#:0505J1000221GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 100V C0G/NP0 0505
  • In Stock:81550
$0.433/pcsRFQ
  • Part#:1808Y0500151KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 50V C0G/NP0 1808
  • In Stock:145520
$0.153/pcsRFQ
2220J0160222FFR Image
  • Part#:2220J0160222FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 16V C0G/NP0 2220
  • In Stock:8241
$3.659/pcsRFQ
1825Y0500104JCT Image
  • Part#:1825Y0500104JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 50V C0G/NP0 1825
  • In Stock:19609
$1.55/pcsRFQ
1210J5000270JAT Image
  • Part#:1210J5000270JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 500V C0G/NP0 1210
  • In Stock:118409
$0.185/pcsRFQ
  • Part#:0805J0160393KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 16V X7R 0805
  • In Stock:418552
$0.056/pcsRFQ
2225J4K00120KCT Image
  • Part#:2225J4K00120KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 4KV C0G/NP0 2225
  • In Stock:86137
$0.402/pcsRFQ
0805Y2002P20BFT Image
  • Part#:0805Y2002P20BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 200V C0G/NP0 0805
  • In Stock:71560
$0.282/pcsRFQ
1111Y1500681GQT Image
  • Part#:1111Y1500681GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 150V C0G/NP0 1111
  • In Stock:64664
$0.597/pcsRFQ
2225J0250181KFT Image
  • Part#:2225J0250181KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 25V C0G/NP0 2225
  • In Stock:24632
$1.335/pcsRFQ
1812J6300220FCR Image
  • Part#:1812J6300220FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 630V C0G/NP0 1812
  • In Stock:48602
$0.635/pcsRFQ
1808Y2500273KDT Image
  • Part#:1808Y2500273KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 250V X7R 1808
  • In Stock:113646
$0.205/pcsRFQ
2220J2000681FFT Image
  • Part#:2220J2000681FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 200V C0G/NP0 2220
  • In Stock:8605
$3.921/pcsRFQ
1210Y0630390KFT Image
  • Part#:1210Y0630390KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 63V C0G/NP0 1210
  • In Stock:77577
$0.249/pcsRFQ
1825Y1K20391FCT Image
  • Part#:1825Y1K20391FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1.2KV C0G/NP0 1825
  • In Stock:14232
$2.349/pcsRFQ
1812Y1000223KAR Image
  • Part#:1812Y1000223KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER .022UF 100V C0G/NP0 1812
  • In Stock:46974
$0.734/pcsRFQ
  • Part#:0603Y0631P70BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 0603
  • In Stock:214824
$0.094/pcsRFQ
1812Y0160121JFR Image
  • Part#:1812Y0160121JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 16V C0G/NP0 1812
  • In Stock:82100
$0.42/pcsRFQ
0805Y0250331KDR Image
  • Part#:0805Y0250331KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 25V X7R 0805
  • In Stock:305100
$0.074/pcsRFQ
1111J1K01P00CQT Image
  • Part#:1111J1K01P00CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 1KV C0G/NP0 1111
  • In Stock:67293
$0.297/pcsRFQ
1825Y2K00681FCT Image
  • Part#:1825Y2K00681FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 2KV C0G/NP0 1825
  • In Stock:12806
$2.598/pcsRFQ
1206Y0160333JXR Image
  • Part#:1206Y0160333JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 16V X7R 1206
  • In Stock:201267
$0.103/pcsRFQ
1206Y6300390JQT Image
  • Part#:1206Y6300390JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 630V C0G/NP0 1206
  • In Stock:130392
$0.181/pcsRFQ
2225Y0500183JCT Image
  • Part#:2225Y0500183JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 50V C0G/NP0 2225
  • In Stock:33009
$1.105/pcsRFQ
1808J1000390FFR Image
  • Part#:1808J1000390FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 100V C0G/NP0 1808
  • In Stock:66785
$0.535/pcsRFQ
1210J0160152FFR Image
  • Part#:1210J0160152FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 16V C0G/NP0 1210
  • In Stock:40065
$0.873/pcsRFQ
1210Y5000333KDT Image
  • Part#:1210Y5000333KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 500V X7R 1210
  • In Stock:104490
$0.224/pcsRFQ
2225J2500330KFR Image
  • Part#:2225J2500330KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 250V C0G/NP0 2225
  • In Stock:25970
$1.22/pcsRFQ
1808Y0630103KCR Image
  • Part#:1808Y0630103KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 63V C0G/NP0 1808
  • In Stock:131620
$0.153/pcsRFQ
1206J0630390FFR Image
  • Part#:1206J0630390FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 63V C0G/NP0 1206
  • In Stock:78633
$0.381/pcsRFQ
0805J0250821GFR Image
  • Part#:0805J0250821GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 25V C0G/NP0 0805
  • In Stock:144426
$0.146/pcsRFQ
1812J2000151KAT Image
  • Part#:1812J2000151KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 200V C0G/NP0 1812
  • In Stock:102313
$0.376/pcsRFQ
1808Y2000104MXT Image
  • Part#:1808Y2000104MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 200V X7R 1808
  • In Stock:106632
$0.176/pcsRFQ
0603J2503P30DFT Image
  • Part#:0603J2503P30DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 250V C0G/NP0 0603
  • In Stock:318526
$0.074/pcsRFQ
1812Y5000470GCR Image
  • Part#:1812Y5000470GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 500V C0G/NP0 1812
  • In Stock:69277
$0.486/pcsRFQ
2225J0630221GFT Image
  • Part#:2225J0630221GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 63V C0G/NP0 2225
  • In Stock:17394
$2.166/pcsRFQ
0805Y1000472KXR Image
  • Part#:0805Y1000472KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V X7R 0805
  • In Stock:390972
$0.058/pcsRFQ
1812J0250124KXR Image
  • Part#:1812J0250124KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 25V X7R 1812
  • In Stock:74299
$0.252/pcsRFQ
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