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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

2225J2000474MXR Image
  • Part#:2225J2000474MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 200V X7R 2225
  • In Stock:43459
$0.86/pcsRFQ
0505Y250P700CQT Image
  • Part#:0505Y250P700CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.7PF 250V C0G/NP0 0505
  • In Stock:135864
$0.171/pcsRFQ
2225Y3K00181GCR Image
  • Part#:2225Y3K00181GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 3KV C0G/NP0 2225
  • In Stock:25112
$1.352/pcsRFQ
2225J0250564MDT Image
  • Part#:2225J0250564MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 25V X7R 2225
  • In Stock:31069
$1.151/pcsRFQ
1808Y2500274JXR Image
  • Part#:1808Y2500274JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 250V X7R 1808
  • In Stock:67374
$0.314/pcsRFQ
1808Y0100182JXR Image
  • Part#:1808Y0100182JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 10V X7R 1808
  • In Stock:204193
$0.118/pcsRFQ
1808Y5000120GFT Image
  • Part#:1808Y5000120GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 500V C0G/NP0 1808
  • In Stock:98000
$0.369/pcsRFQ
0805J1000271KDT Image
  • Part#:0805J1000271KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 100V X7R 0805
  • In Stock:263720
$0.086/pcsRFQ
1808J2500471JDR Image
  • Part#:1808J2500471JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V X7R 1808
  • In Stock:110428
$0.209/pcsRFQ
1812Y0250822KCR Image
  • Part#:1812Y0250822KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 25V C0G/NP0 1812
  • In Stock:69485
$0.326/pcsRFQ
1808J0250182KXT Image
  • Part#:1808J0250182KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 25V X7R 1808
  • In Stock:163314
$0.118/pcsRFQ
1210Y1008P20BAR Image
  • Part#:1210Y1008P20BAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 100V C0G/NP0 1210
  • In Stock:78762
$0.461/pcsRFQ
0505Y2500200KQT Image
  • Part#:0505Y2500200KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 20PF 250V C0G/NP0 0505
  • In Stock:122366
$0.177/pcsRFQ
1210Y2500680KCT Image
  • Part#:1210Y2500680KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 250V C0G/NP0 1210
  • In Stock:127459
$0.178/pcsRFQ
1812Y5000122MDT Image
  • Part#:1812Y5000122MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 500V X7R 1812
  • In Stock:92941
$0.401/pcsRFQ
2220J2500120JFT Image
  • Part#:2220J2500120JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 250V C0G/NP0 2220
  • In Stock:31882
$1.157/pcsRFQ
1812Y6K00470FCR Image
  • Part#:1812Y6K00470FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 6KV C0G/NP0 1812
  • In Stock:53780
$0.695/pcsRFQ
0805J0100331FCR Image
  • Part#:0805J0100331FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 10V C0G/NP0 0805
  • In Stock:132014
$0.182/pcsRFQ
1210Y0100125MXR Image
  • Part#:1210Y0100125MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2UF 10V X7R 1210
  • In Stock:70410
$0.274/pcsRFQ
1825J1K20221MXR Image
  • Part#:1825J1K20221MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1.2KV X7R 1825
  • In Stock:86941
$0.433/pcsRFQ
  • Part#:0805J2500182MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 250V X7R 0805
  • In Stock:443418
$0.046/pcsRFQ
2220Y1000184MXR Image
  • Part#:2220Y1000184MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 100V X7R 2220
  • In Stock:46789
$0.681/pcsRFQ
1206J6301P80CAR Image
  • Part#:1206J6301P80CAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 630V C0G/NP0 1206
  • In Stock:104403
$0.196/pcsRFQ
1808J1000470JDT Image
  • Part#:1808J1000470JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 100V X7R 1808
  • In Stock:102828
$0.226/pcsRFQ
2225Y1K50562KXR Image
  • Part#:2225Y1K50562KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 1.5KV X7R 2225
  • In Stock:35673
$0.924/pcsRFQ
1206Y0250152KDR Image
  • Part#:1206Y0250152KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 25V X7R 1206
  • In Stock:201468
$0.105/pcsRFQ
1210Y1000332FFR Image
  • Part#:1210Y1000332FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 100V C0G/NP0 1210
  • In Stock:31743
$0.994/pcsRFQ
1808YA250151GCRSPU Image
  • Part#:1808YA250151GCRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 250V C0G/NP0 1808
  • In Stock:74377
$0.411/pcsRFQ
1206J300P600BQT Image
  • Part#:1206J300P600BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.6PF 300V C0G/NP0 1206
  • In Stock:114664
$0.168/pcsRFQ
1808Y0100272JCT Image
  • Part#:1808Y0100272JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 10V C0G/NP0 1808
  • In Stock:156391
$0.133/pcsRFQ
1206J0160101JDT Image
  • Part#:1206J0160101JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 16V X7R 1206
  • In Stock:148034
$0.133/pcsRFQ
1111J2501P90CQT Image
  • Part#:1111J2501P90CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.9PF 250V C0G/NP0 1111
  • In Stock:80655
$0.29/pcsRFQ
2220J2500823KDT Image
  • Part#:2220J2500823KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 250V X7R 2220
  • In Stock:43186
$0.878/pcsRFQ
1825J0630563MXT Image
  • Part#:1825J0630563MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 63V X7R 1825
  • In Stock:54261
$0.661/pcsRFQ
1206J0630471MXT Image
  • Part#:1206J0630471MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 63V X7R 1206
  • In Stock:258623
$0.077/pcsRFQ
1210Y5000223JDT Image
  • Part#:1210Y5000223JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 500V X7R 1210
  • In Stock:89023
$0.243/pcsRFQ
1210J1000682GAT Image
  • Part#:1210J1000682GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 100V C0G/NP0 1210
  • In Stock:68476
$0.574/pcsRFQ
2225Y0500682JFR Image
  • Part#:2225Y0500682JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 50V C0G/NP0 2225
  • In Stock:22153
$1.416/pcsRFQ
1206Y0500392JFT Image
  • Part#:1206Y0500392JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 50V C0G/NP0 1206
  • In Stock:119648
$0.189/pcsRFQ
2220J1K00391KXT Image
  • Part#:2220J1K00391KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV X7R 2220
  • In Stock:82715
$0.461/pcsRFQ
1206Y2000563KER Image
  • Part#:1206Y2000563KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 200V X7R 1206
  • In Stock:109262
$0.174/pcsRFQ
2220Y1K00392JCR Image
  • Part#:2220Y1K00392JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1KV C0G/NP0 2220
  • In Stock:55571
$0.673/pcsRFQ
1808Y2K00270GCT Image
  • Part#:1808Y2K00270GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 2KV C0G/NP0 1808
  • In Stock:90465
$0.233/pcsRFQ
1808Y0630103KXR Image
  • Part#:1808Y0630103KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 63V X7R 1808
  • In Stock:163466
$0.129/pcsRFQ
1210J1K50120JCT Image
  • Part#:1210J1K50120JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1.5KV C0G/NP0 1210
  • In Stock:160850
$0.134/pcsRFQ
1825Y2000564MXR Image
  • Part#:1825Y2000564MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 200V X7R 1825
  • In Stock:39970
$0.963/pcsRFQ
1206Y2K03P30HQT Image
  • Part#:1206Y2K03P30HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 2000V C0G/NP0 1206
  • In Stock:63777
$0.519/pcsRFQ
1825Y2K00151KCR Image
  • Part#:1825Y2K00151KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 2KV C0G/NP0 1825
  • In Stock:54717
$0.62/pcsRFQ
1210J0630332GAT Image
  • Part#:1210J0630332GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 63V C0G/NP0 1210
  • In Stock:72394
$0.485/pcsRFQ
0805J2500220FQT Image
  • Part#:0805J2500220FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 250V C0G/NP0 0805
  • In Stock:63591
$0.513/pcsRFQ
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