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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

1812Y0250560JFT Image
  • Part#:1812Y0250560JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 25V C0G/NP0 1812
  • In Stock:86106
$0.445/pcsRFQ
2220J1K50151GCT Image
  • Part#:2220J1K50151GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1.5KV C0G/NP0 2220
  • In Stock:46470
$0.833/pcsRFQ
2225J0500100JCT Image
  • Part#:2225J0500100JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 50V C0G/NP0 2225
  • In Stock:42980
$0.787/pcsRFQ
2220Y2K50151JCT Image
  • Part#:2220Y2K50151JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 2.5KV C0G/NP0 2220
  • In Stock:51366
$0.603/pcsRFQ
2225Y1K00822MDR Image
  • Part#:2225Y1K00822MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 1KV X7R 2225
  • In Stock:31915
$0.966/pcsRFQ
1808Y1000272KXR Image
  • Part#:1808Y1000272KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 100V X7R 1808
  • In Stock:187157
$0.119/pcsRFQ
1812Y0500391KCR Image
  • Part#:1812Y0500391KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 50V C0G/NP0 1812
  • In Stock:75816
$0.28/pcsRFQ
1206Y0160180GCT Image
  • Part#:1206Y0160180GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 16V C0G/NP0 1206
  • In Stock:135286
$0.147/pcsRFQ
1812Y2500123GFR Image
  • Part#:1812Y2500123GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 250V C0G 1812
  • In Stock:28309
$1.275/pcsRFQ
2225Y6300393MXT Image
  • Part#:2225Y6300393MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 630V X7R 2225
  • In Stock:45928
$0.754/pcsRFQ
1206Y5000471FAT Image
  • Part#:1206Y5000471FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 500V C0G/NP0 1206
  • In Stock:63010
$0.494/pcsRFQ
1808Y0250333KDT Image
  • Part#:1808Y0250333KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 25V X7R 1808
  • In Stock:103495
$0.209/pcsRFQ
1808Y0630821KCR Image
  • Part#:1808Y0630821KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 63V C0G/NP0 1808
  • In Stock:173635
$0.119/pcsRFQ
1812Y1K00681FFR Image
  • Part#:1812Y1K00681FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1KV C0G/NP0 1812
  • In Stock:23798
$1.452/pcsRFQ
1206J1K50821JXT Image
  • Part#:1206J1K50821JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1.5KV X7R 1206
  • In Stock:131838
$0.169/pcsRFQ
1808J1000682KDT Image
  • Part#:1808J1000682KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 100V X7R 1808
  • In Stock:128164
$0.185/pcsRFQ
2220Y1000120KCT Image
  • Part#:2220Y1000120KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 100V C0G/NP0 2220
  • In Stock:40398
$0.8/pcsRFQ
2225J3K00152KCR Image
  • Part#:2225J3K00152KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 3KV C0G/NP0 2225
  • In Stock:33399
$1.181/pcsRFQ
0805J6300100FCT Image
  • Part#:0805J6300100FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 630V C0G/NP0 0805
  • In Stock:101662
$0.192/pcsRFQ
1808J1000563JDT Image
  • Part#:1808J1000563JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 100V X7R 1808
  • In Stock:67808
$0.298/pcsRFQ
2225J2000273KFT Image
  • Part#:2225J2000273KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 200V C0G 2225
  • In Stock:16555
$1.944/pcsRFQ
1206Y3000330JQT Image
  • Part#:1206Y3000330JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 300V C0G/NP0 1206
  • In Stock:103030
$0.183/pcsRFQ
  • Part#:0805Y1000152JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0805
  • In Stock:220985
$0.091/pcsRFQ
2220Y6300391JXR Image
  • Part#:2220Y6300391JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 630V X7R 2220
  • In Stock:54538
$0.629/pcsRFQ
1210Y2500154MXR Image
  • Part#:1210Y2500154MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 250V X7R 1210
  • In Stock:100355
$0.233/pcsRFQ
1812YA250560JCRPY2 Image
  • Part#:1812YA250560JCRPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 250V C0G/NP0 1812
  • In Stock:85340
$0.372/pcsRFQ
1808J0250330FCR Image
  • Part#:1808J0250330FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 25V C0G/NP0 1808
  • In Stock:62604
$0.341/pcsRFQ
0805Y0636P20HQT Image
  • Part#:0805Y0636P20HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.2PF 63V C0G/NP0 0805
  • In Stock:63615
$0.575/pcsRFQ
0805Y200P300BQT Image
  • Part#:0805Y200P300BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.3PF 200V C0G/NP0 0805
  • In Stock:134800
$0.161/pcsRFQ
1808J2K00820KCT Image
  • Part#:1808J2K00820KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 2KV C0G/NP0 1808
  • In Stock:121013
$0.159/pcsRFQ
0603Y2501P80DUT Image
  • Part#:0603Y2501P80DUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 250V C0G/NP0 0603
  • In Stock:195077
$0.104/pcsRFQ
1206J1K00150FCR Image
  • Part#:1206J1K00150FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 1KV C0G/NP0 1206
  • In Stock:77841
$0.3/pcsRFQ
1206Y5000181KXR Image
  • Part#:1206Y5000181KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 500V X7R 1206
  • In Stock:306723
$0.07/pcsRFQ
2220Y5K00222MXR Image
  • Part#:2220Y5K00222MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 5KV X7R 2220
  • In Stock:90827
$0.403/pcsRFQ
1808J1K50332JXT Image
  • Part#:1808J1K50332JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 1.5KV X7R 1808
  • In Stock:112689
$0.203/pcsRFQ
1206Y1504P30CQT Image
  • Part#:1206Y1504P30CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.3PF 150V C0G/NP0 1206
  • In Stock:109444
$0.211/pcsRFQ
1206Y5000101JFR Image
  • Part#:1206Y5000101JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 500V C0G/NP0 1206
  • In Stock:170892
$0.131/pcsRFQ
  • Part#:0603J2500222MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 250V X7R 0603
  • In Stock:559063
$0.037/pcsRFQ
1812J1K20681MXT Image
  • Part#:1812J1K20681MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1.2KV X7R 1812
  • In Stock:79147
$0.263/pcsRFQ
2220Y1K50181GCR Image
  • Part#:2220Y1K50181GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1.5KV C0G/NP0 2220
  • In Stock:37187
$0.962/pcsRFQ
2225J1K00183JXR Image
  • Part#:2225J1K00183JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 1KV X7R 2225
  • In Stock:31004
$0.971/pcsRFQ
  • Part#:2220J0500470KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 50V C0G/NP0 2220
  • In Stock:40536
$0.939/pcsRFQ
1825Y2500390KCT Image
  • Part#:1825Y2500390KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 250V C0G/NP0 1825
  • In Stock:42016
$0.928/pcsRFQ
1206Y0100391JXR Image
  • Part#:1206Y0100391JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 10V X7R 1206
  • In Stock:212894
$0.096/pcsRFQ
0603J2008P20CCR Image
  • Part#:0603J2008P20CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 200V C0G/NP0 0603
  • In Stock:338012
$0.07/pcsRFQ
0805Y0160330JCR Image
  • Part#:0805Y0160330JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 16V C0G/NP0 0805
  • In Stock:370367
$0.055/pcsRFQ
1206Y1K00221MXR Image
  • Part#:1206Y1K00221MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1KV X7R 1206
  • In Stock:299352
$0.072/pcsRFQ
0805J5000560FQT Image
  • Part#:0805J5000560FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 500V C0G/NP0 0805
  • In Stock:52284
$0.641/pcsRFQ
1812Y0100122FCR Image
  • Part#:1812Y0100122FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 10V C0G/NP0 1812
  • In Stock:33823
$1.007/pcsRFQ
1812J6300680JAT Image
  • Part#:1812J6300680JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 630V C0G/NP0 1812
  • In Stock:89523
$0.367/pcsRFQ
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