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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

1812J5000121JDR Image
  • Part#:1812J5000121JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 500V X7R 1812
  • In Stock:63657
$0.347/pcsRFQ
1808J2500181GCR Image
  • Part#:1808J2500181GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V C0G/NP0 1808
  • In Stock:100675
$0.187/pcsRFQ
  • Part#:0603J1003P30BAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0603
  • In Stock:111906
$0.177/pcsRFQ
1206J0501P30HQT Image
  • Part#:1206J0501P30HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.3PF 50V C0G/NP0 1206
  • In Stock:70759
$0.333/pcsRFQ
0603Y3000150FQT Image
  • Part#:0603Y3000150FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 300V C0G/NP0 0603
  • In Stock:70641
$0.294/pcsRFQ
2220Y1K20331JCT Image
  • Part#:2220Y1K20331JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1.2KV C0G/NP0 2220
  • In Stock:61834
$0.605/pcsRFQ
1812Y0500821GCR Image
  • Part#:1812Y0500821GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 50V C0G/NP0 1812
  • In Stock:67007
$0.513/pcsRFQ
0603J0630271JXT Image
  • Part#:0603J0630271JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 63V X7R 0603
  • In Stock:370980
$0.051/pcsRFQ
1111Y6308P20CQT Image
  • Part#:1111Y6308P20CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 630V C0G/NP0 1111
  • In Stock:81542
$0.434/pcsRFQ
1812Y2000120GFT Image
  • Part#:1812Y2000120GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 200V C0G/NP0 1812
  • In Stock:34760
$0.904/pcsRFQ
1206Y0160824MDT Image
  • Part#:1206Y0160824MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 16V X7R 1206
  • In Stock:95554
$0.242/pcsRFQ
2220Y2500270FCR Image
  • Part#:2220Y2500270FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 250V C0G/NP0 2220
  • In Stock:11795
$2.987/pcsRFQ
1825J1K20180FCR Image
  • Part#:1825J1K20180FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1.2KV C0G/NP0 1825
  • In Stock:20563
$1.752/pcsRFQ
1206Y0500392JAR Image
  • Part#:1206Y0500392JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 50V C0G/NP0 1206
  • In Stock:118479
$0.176/pcsRFQ
1825J5K00221JCR Image
  • Part#:1825J5K00221JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 5KV C0G/NP0 1825
  • In Stock:55777
$0.347/pcsRFQ
2220Y5000152KFR Image
  • Part#:2220Y5000152KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 500V C0G/NP0 2220
  • In Stock:48126
$0.816/pcsRFQ
0805J0100272FCR Image
  • Part#:0805J0100272FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 10V C0G/NP0 0805
  • In Stock:70561
$0.278/pcsRFQ
0805Y2001P80CAT Image
  • Part#:0805Y2001P80CAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 200V C0G/NP0 0805
  • In Stock:132001
$0.143/pcsRFQ
1210J0630334MDT Image
  • Part#:1210J0630334MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 63V X7R 1210
  • In Stock:78653
$0.27/pcsRFQ
1210Y1K00471MET Image
  • Part#:1210Y1K00471MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1KV X7R 1210
  • In Stock:147644
$0.163/pcsRFQ
1210Y0100153JCR Image
  • Part#:1210Y0100153JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 10V C0G/NP0 1210
  • In Stock:97173
$0.223/pcsRFQ
  • Part#:0805J5000821MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 500V X7R 0805
  • In Stock:511400
$0.037/pcsRFQ
1808J0630562JDR Image
  • Part#:1808J0630562JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 63V X7R 1808
  • In Stock:79139
$0.238/pcsRFQ
1808Y1000682JXT Image
  • Part#:1808Y1000682JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 100V X7R 1808
  • In Stock:128935
$0.165/pcsRFQ
1111Y5000101KQT Image
  • Part#:1111Y5000101KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 500V C0G/NP0 1111
  • In Stock:67299
$0.333/pcsRFQ
1812Y2000393JXT Image
  • Part#:1812Y2000393JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 200V X7R 1812
  • In Stock:82789
$0.365/pcsRFQ
1808J1000271JXR Image
  • Part#:1808J1000271JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 100V X7R 1808
  • In Stock:132243
$0.144/pcsRFQ
0805J0630120GCT Image
  • Part#:0805J0630120GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 63V C0G/NP0 0805
  • In Stock:204303
$0.095/pcsRFQ
1111J2K01P00BQT Image
  • Part#:1111J2K01P00BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 2KV C0G/NP0 1111
  • In Stock:67641
$0.301/pcsRFQ
2220Y5000181GCT Image
  • Part#:2220Y5000181GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 500V C0G/NP0 2220
  • In Stock:32949
$1.144/pcsRFQ
0805Y6301P00BCR Image
  • Part#:0805Y6301P00BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 630V C0G/NP0 0805
  • In Stock:96718
$0.195/pcsRFQ
1210Y5000222GFR Image
  • Part#:1210Y5000222GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 500V C0G/NP0 1210
  • In Stock:64473
$0.5/pcsRFQ
1812Y0100183GCR Image
  • Part#:1812Y0100183GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 10V C0G/NP0 1812
  • In Stock:44804
$0.665/pcsRFQ
1812Y1000182GFT Image
  • Part#:1812Y1000182GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 100V C0G/NP0 1812
  • In Stock:44091
$0.846/pcsRFQ
2225J4K00122JXR Image
  • Part#:2225J4K00122JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 4KV X7R 2225
  • In Stock:72951
$0.442/pcsRFQ
0603J2500270KQT Image
  • Part#:0603J2500270KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 250V C0G/NP0 0603
  • In Stock:204213
$0.108/pcsRFQ
1825J0630560GCT Image
  • Part#:1825J0630560GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 63V C0G/NP0 1825
  • In Stock:23621
$1.379/pcsRFQ
1210Y0630184MXT Image
  • Part#:1210Y0630184MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 63V X7R 1210
  • In Stock:132476
$0.17/pcsRFQ
1812Y2K00392KXR Image
  • Part#:1812Y2K00392KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 2KV X7R 1812
  • In Stock:81078
$0.288/pcsRFQ
0603Y0160102GFR Image
  • Part#:0603Y0160102GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 16V C0G/NP0 0603
  • In Stock:115780
$0.176/pcsRFQ
2220Y1000331FCT Image
  • Part#:2220Y1000331FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 100V C0G/NP0 2220
  • In Stock:11344
$3.178/pcsRFQ
1210Y0250682MDT Image
  • Part#:1210Y0250682MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 25V X7R 1210
  • In Stock:91868
$0.217/pcsRFQ
1808Y2500120GCR Image
  • Part#:1808Y2500120GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 250V C0G/NP0 1808
  • In Stock:97210
$0.221/pcsRFQ
1206Y6300151KXR Image
  • Part#:1206Y6300151KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 630V X7R 1206
  • In Stock:231837
$0.083/pcsRFQ
2225J5000103KCR Image
  • Part#:2225J5000103KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 500V C0G 2225
  • In Stock:35371
$1.078/pcsRFQ
1808J1K00561JXT Image
  • Part#:1808J1K00561JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1KV X7R 1808
  • In Stock:123879
$0.178/pcsRFQ
2225Y2500274JXR Image
  • Part#:2225Y2500274JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 250V X7R 2225
  • In Stock:27745
$1.126/pcsRFQ
0505Y0500510GQT Image
  • Part#:0505Y0500510GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 51PF 50V C0G/NP0 0505
  • In Stock:69475
$0.329/pcsRFQ
1812J0250100GFT Image
  • Part#:1812J0250100GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 25V C0G/NP0 1812
  • In Stock:49027
$0.684/pcsRFQ
2215JA250821KCTSP Image
  • Part#:2215JA250821KCTSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 250V C0G/NP0 2215
  • In Stock:29095
$1.246/pcsRFQ
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