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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

2220Y0500270KFT Image
  • Part#:2220Y0500270KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 50V C0G/NP0 2220
  • In Stock:27059
$1.159/pcsRFQ
1812Y5K00220FCT Image
  • Part#:1812Y5K00220FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 5KV C0G/NP0 1812
  • In Stock:47352
$0.705/pcsRFQ
1812J0100683KXT Image
  • Part#:1812J0100683KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 10V X7R 1812
  • In Stock:70827
$0.266/pcsRFQ
0805J0506P80CQT Image
  • Part#:0805J0506P80CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 50V C0G/NP0 0805
  • In Stock:111876
$0.191/pcsRFQ
0805Y1000823MXT Image
  • Part#:0805Y1000823MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 100V X7R 0805
  • In Stock:224451
$0.089/pcsRFQ
0603J0503P90BCT Image
  • Part#:0603J0503P90BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 50V C0G/NP0 0603
  • In Stock:140173
$0.149/pcsRFQ
1206J5001P20HQT Image
  • Part#:1206J5001P20HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 500V C0G/NP0 1206
  • In Stock:74680
$0.306/pcsRFQ
1206Y0504P70CQT Image
  • Part#:1206Y0504P70CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 50V C0G/NP0 1206
  • In Stock:88838
$0.219/pcsRFQ
1206Y1K00391GFR Image
  • Part#:1206Y1K00391GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV C0G/NP0 1206
  • In Stock:78790
$0.272/pcsRFQ
1808J0630682JDT Image
  • Part#:1808J0630682JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 63V X7R 1808
  • In Stock:81700
$0.258/pcsRFQ
1206J2003P90DCT Image
  • Part#:1206J2003P90DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 200V C0G/NP0 1206
  • In Stock:295378
$0.081/pcsRFQ
1825J1K20391JXT Image
  • Part#:1825J1K20391JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1.2KV X7R 1825
  • In Stock:56157
$0.628/pcsRFQ
0805Y0160333JXT Image
  • Part#:0805Y0160333JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 16V X7R 0805
  • In Stock:268023
$0.086/pcsRFQ
1210J6300122FCR Image
  • Part#:1210J6300122FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 630V C0G/NP0 1210
  • In Stock:61248
$0.548/pcsRFQ
0603J0160103KDR Image
  • Part#:0603J0160103KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 16V X7R 0603
  • In Stock:289828
$0.073/pcsRFQ
1206J0160271KCT Image
  • Part#:1206J0160271KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 16V C0G/NP0 1206
  • In Stock:274705
$0.084/pcsRFQ
1808Y5K00470JCR Image
  • Part#:1808Y5K00470JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 5KV C0G/NP0 1808
  • In Stock:115609
$0.193/pcsRFQ
1825J1K50100KCR Image
  • Part#:1825J1K50100KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 1.5KV C0G/NP0 1825
  • In Stock:79064
$0.49/pcsRFQ
1808J2000390FFT Image
  • Part#:1808J2000390FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 200V C0G/NP0 1808
  • In Stock:54015
$0.58/pcsRFQ
1111J1501P00CQT Image
  • Part#:1111J1501P00CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 150V C0G/NP0 1111
  • In Stock:80228
$0.258/pcsRFQ
2220J0630272FFR Image
  • Part#:2220J0630272FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 63V C0G/NP0 2220
  • In Stock:8696
$3.639/pcsRFQ
1825Y5000332FCT Image
  • Part#:1825Y5000332FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 500V C0G/NP0 1825
  • In Stock:15588
$2.247/pcsRFQ
1808Y0250271JCT Image
  • Part#:1808Y0250271JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 25V C0G/NP0 1808
  • In Stock:146514
$0.134/pcsRFQ
2225Y2K00123MXT Image
  • Part#:2225Y2K00123MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 2KV X7R 2225
  • In Stock:33455
$1.143/pcsRFQ
0805Y0500391KXT Image
  • Part#:0805Y0500391KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 50V X7R 0805
  • In Stock:397417
$0.055/pcsRFQ
1206J1K00150GAT Image
  • Part#:1206J1K00150GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 1000V C0G/NP0 1206
  • In Stock:220080
$0.108/pcsRFQ
2220Y4K00122MXT Image
  • Part#:2220Y4K00122MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 4KV X7R 2220
  • In Stock:67370
$0.316/pcsRFQ
0805Y0250683MDR Image
  • Part#:0805Y0250683MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 25V X7R 0805
  • In Stock:178775
$0.108/pcsRFQ
0805Y1000391KXT Image
  • Part#:0805Y1000391KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 100V X7R 0805
  • In Stock:338670
$0.065/pcsRFQ
0603J1503P00DQT Image
  • Part#:0603J1503P00DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3PF 150V C0G/NP0 0603
  • In Stock:254152
$0.093/pcsRFQ
2225Y1000120JCR Image
  • Part#:2225Y1000120JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 100V C0G/NP0 2225
  • In Stock:43416
$0.872/pcsRFQ
0805J5000220JFT Image
  • Part#:0805J5000220JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 500V C0G/NP0 0805
  • In Stock:268208
$0.081/pcsRFQ
2225Y6300273JXR Image
  • Part#:2225Y6300273JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 630V X7R 2225
  • In Stock:33636
$1.027/pcsRFQ
0603J0630180GCR Image
  • Part#:0603J0630180GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 63V C0G/NP0 0603
  • In Stock:265336
$0.081/pcsRFQ
0805J0250151JXT Image
  • Part#:0805J0250151JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 25V X7R 0805
  • In Stock:314795
$0.065/pcsRFQ
1210Y1000823KDT Image
  • Part#:1210Y1000823KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 100V X7R 1210
  • In Stock:83140
$0.268/pcsRFQ
1808Y0100394MXR Image
  • Part#:1808Y0100394MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 10V X7R 1808
  • In Stock:132431
$0.164/pcsRFQ
0805Y2000561FAR Image
  • Part#:0805Y2000561FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 200V C0G/NP0 0805
  • In Stock:94899
$0.402/pcsRFQ
1812Y1K50121KCR Image
  • Part#:1812Y1K50121KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1.5KV C0G/NP0 1812
  • In Stock:88906
$0.262/pcsRFQ
1825J2K50562JXT Image
  • Part#:1825J2K50562JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 2.5KV X7R 1825
  • In Stock:44330
$0.822/pcsRFQ
2225Y1K20471KCT Image
  • Part#:2225Y1K20471KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.2KV C0G/NP0 2225
  • In Stock:44188
$0.85/pcsRFQ
1206J1503P30CQT Image
  • Part#:1206J1503P30CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 150V C0G/NP0 1206
  • In Stock:101222
$0.185/pcsRFQ
2225J3K00390GCT Image
  • Part#:2225J3K00390GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 3KV C0G/NP0 2225
  • In Stock:25872
$1.24/pcsRFQ
2225J0160822KCR Image
  • Part#:2225J0160822KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 16V C0G/NP0 2225
  • In Stock:45690
$0.818/pcsRFQ
1206Y5000102MDR Image
  • Part#:1206Y5000102MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 500V X7R 1206
  • In Stock:252544
$0.09/pcsRFQ
2220Y0500224JXT Image
  • Part#:2220Y0500224JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 50V X7R 2220
  • In Stock:33641
$0.911/pcsRFQ
0805J2004P70CUT Image
  • Part#:0805J2004P70CUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 200V C0G/NP0 0805
  • In Stock:117979
$0.178/pcsRFQ
0505J1503P90HQT Image
  • Part#:0505J1503P90HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 150V C0G/NP0 0505
  • In Stock:63346
$0.579/pcsRFQ
1210Y1K00561GAT Image
  • Part#:1210Y1K00561GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1KV C0G/NP0 1210
  • In Stock:73645
$0.419/pcsRFQ
1206Y2508P20BFT Image
  • Part#:1206Y2508P20BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 250V C0G/NP0 1206
  • In Stock:58104
$0.35/pcsRFQ
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