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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

1812J2000683MDR Image
  • Part#:1812J2000683MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 200V X7R 1812
  • In Stock:54526
$0.346/pcsRFQ
0805Y2000471JAT Image
  • Part#:0805Y2000471JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 200V C0G/NP0 0805
  • In Stock:184252
$0.114/pcsRFQ
1812Y1K00151KXR Image
  • Part#:1812Y1K00151KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1KV X7R 1812
  • In Stock:68245
$0.286/pcsRFQ
0805Y1000331MXRE03 Image
  • Part#:0805Y1000331MXRE03
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 100V X7R 0805
  • In Stock:91014
$0.206/pcsRFQ
1812Y6K00470JCT Image
  • Part#:1812Y6K00470JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 6KV C0G/NP0 1812
  • In Stock:64889
$0.289/pcsRFQ
1210J0500104KDR Image
  • Part#:1210J0500104KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 50V X7R 1210
  • In Stock:96632
$0.214/pcsRFQ
1206Y1000820JCT Image
  • Part#:1206Y1000820JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 100V C0G/NP0 1206
  • In Stock:272540
$0.084/pcsRFQ
  • Part#:0603J0100222KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 10V C0G/NP0 0603
  • In Stock:380439
$0.056/pcsRFQ
2220Y5K00560KCT Image
  • Part#:2220Y5K00560KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 5KV C0G/NP0 2220
  • In Stock:62715
$0.321/pcsRFQ
0805Y1000120FFT Image
  • Part#:0805Y1000120FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 100V C0G/NP0 0805
  • In Stock:65219
$0.295/pcsRFQ
2220J0250560KFT Image
  • Part#:2220J0250560KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 25V C0G/NP0 2220
  • In Stock:37833
$1.034/pcsRFQ
1111Y1002P20HQT Image
  • Part#:1111Y1002P20HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 100V C0G/NP0 1111
  • In Stock:58215
$0.529/pcsRFQ
1812J1K20682KXR Image
  • Part#:1812J1K20682KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 1.2KV X7R 1812
  • In Stock:79032
$0.251/pcsRFQ
0603Y2000220GAT Image
  • Part#:0603Y2000220GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 200V C0G/NP0 0603
  • In Stock:132641
$0.141/pcsRFQ
2225J1000334MDT Image
  • Part#:2225J1000334MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 100V X7R 2225
  • In Stock:30615
$1.157/pcsRFQ
1812J2500473KDT Image
  • Part#:1812J2500473KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 250V X7R 1812
  • In Stock:99381
$0.382/pcsRFQ
0805Y5000330FAR Image
  • Part#:0805Y5000330FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 500V C0G/NP0 0805
  • In Stock:80781
$0.262/pcsRFQ
2225Y0500332FCR Image
  • Part#:2225Y0500332FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 50V C0G/NP0 2225
  • In Stock:8937
$3.367/pcsRFQ
1808JA250101GCRSPU Image
  • Part#:1808JA250101GCRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V C0G/NP0 1808
  • In Stock:87781
$0.373/pcsRFQ
2211YA250471FCRSPU Image
  • Part#:2211YA250471FCRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V C0G/NP0 2211
  • In Stock:14948
$2.555/pcsRFQ
1825J0100224FCR Image
  • Part#:1825J0100224FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 10V C0G/NP0 1825
  • In Stock:4945
$6.417/pcsRFQ
1808J2500121MDT Image
  • Part#:1808J2500121MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 250V X7R 1808
  • In Stock:125790
$0.177/pcsRFQ
0805Y5000220KCR Image
  • Part#:0805Y5000220KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 500V C0G/NP0 0805
  • In Stock:446051
$0.049/pcsRFQ
0505J3004P30DQT Image
  • Part#:0505J3004P30DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.3PF 300V C0G/NP0 0505
  • In Stock:126737
$0.17/pcsRFQ
1812Y2500181KFR Image
  • Part#:1812Y2500181KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V C0G/NP0 1812
  • In Stock:86287
$0.418/pcsRFQ
0805J6301P80DCT Image
  • Part#:0805J6301P80DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 630V C0G/NP0 0805
  • In Stock:363223
$0.056/pcsRFQ
0603Y5000101JXR Image
  • Part#:0603Y5000101JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 500V X7R 0603
  • In Stock:446502
$0.054/pcsRFQ
0603Y0500472MXT Image
  • Part#:0603Y0500472MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 50V X7R 0603
  • In Stock:446685
$0.042/pcsRFQ
  • Part#:1825Y0500332KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:53726
$0.675/pcsRFQ
0805Y1000221GAR Image
  • Part#:0805Y1000221GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 100V C0G/NP0 0805
  • In Stock:126628
$0.154/pcsRFQ
1206Y1500240FQT Image
  • Part#:1206Y1500240FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 24PF 150V C0G/NP0 1206
  • In Stock:56043
$0.682/pcsRFQ
1812Y0250104KCT Image
  • Part#:1812Y0250104KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 25V C0G/NP0 1812
  • In Stock:45900
$0.827/pcsRFQ
  • Part#:0603J1000222MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 100V X7R 0603
  • In Stock:587739
$0.037/pcsRFQ
1812J1000101GFR Image
  • Part#:1812J1000101GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 100V C0G/NP0 1812
  • In Stock:44091
$0.708/pcsRFQ
1812J0500104MXT Image
  • Part#:1812J0500104MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 50V X7R 1812
  • In Stock:70699
$0.27/pcsRFQ
1825Y0500180FCT Image
  • Part#:1825Y0500180FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 50V C0G/NP0 1825
  • In Stock:12621
$3.076/pcsRFQ
2225J0500122JCT Image
  • Part#:2225J0500122JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 50V C0G/NP0 2225
  • In Stock:34323
$0.871/pcsRFQ
0603J2500180JCT Image
  • Part#:0603J2500180JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 250V C0G/NP0 0603
  • In Stock:360058
$0.053/pcsRFQ
1825Y2000103MXR Image
  • Part#:1825Y2000103MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 200V X7R 1825
  • In Stock:40812
$0.734/pcsRFQ
1210Y0250331GFR Image
  • Part#:1210Y0250331GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 25V C0G/NP0 1210
  • In Stock:80623
$0.446/pcsRFQ
1111J2000101JQT Image
  • Part#:1111J2000101JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 200V C0G/NP0 1111
  • In Stock:60732
$0.349/pcsRFQ
0505Y3000430JQT Image
  • Part#:0505Y3000430JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 43PF 300V C0G/NP0 0505
  • In Stock:102745
$0.184/pcsRFQ
1206J1K20151JXT Image
  • Part#:1206J1K20151JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1.2KV X7R 1206
  • In Stock:128722
$0.165/pcsRFQ
2225J1000473MXT Image
  • Part#:2225J1000473MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 100V X7R 2225
  • In Stock:61718
$0.617/pcsRFQ
0805Y0100560JCR Image
  • Part#:0805Y0100560JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 10V C0G/NP0 0805
  • In Stock:395557
$0.054/pcsRFQ
1808J1K50121JCR Image
  • Part#:1808J1K50121JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1.5KV C0G/NP0 1808
  • In Stock:170727
$0.131/pcsRFQ
1111J1K00100KQT Image
  • Part#:1111J1K00100KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 1KV C0G/NP0 1111
  • In Stock:56715
$0.355/pcsRFQ
1210Y0160180KCR Image
  • Part#:1210Y0160180KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 16V C0G/NP0 1210
  • In Stock:142156
$0.16/pcsRFQ
1812J0160821JFT Image
  • Part#:1812J0160821JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 16V C0G/NP0 1812
  • In Stock:95959
$0.392/pcsRFQ
2220Y1K00182JFT Image
  • Part#:2220Y1K00182JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1KV C0G/NP0 2220
  • In Stock:41961
$0.904/pcsRFQ
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