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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

  • Part#:1808Y0250122MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:198582
$0.102/pcsRFQ
1808J0630394MXR Image
  • Part#:1808J0630394MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 63V X7R 1808
  • In Stock:129145
$0.155/pcsRFQ
0603J200P680DCT Image
  • Part#:0603J200P680DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68PF 200V C0G/NP0 0603
  • In Stock:487891
$0.049/pcsRFQ
1808J6K00101JXT Image
  • Part#:1808J6K00101JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 6KV X7R 1808
  • In Stock:109752
$0.198/pcsRFQ
2225Y0500181JCT Image
  • Part#:2225Y0500181JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 50V C0G/NP0 2225
  • In Stock:35617
$0.928/pcsRFQ
1206Y1K00821KDR Image
  • Part#:1206Y1K00821KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1KV X7R 1206
  • In Stock:203709
$0.115/pcsRFQ
1825J1000474KXT Image
  • Part#:1825J1000474KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 100V X7R 1825
  • In Stock:34703
$0.862/pcsRFQ
2220J0250182JFR Image
  • Part#:2220J0250182JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 25V C0G/NP0 2220
  • In Stock:32799
$0.999/pcsRFQ
1111J5000131KUT Image
  • Part#:1111J5000131KUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 130PF 500V C0G/NP0 1111
  • In Stock:5326
 RFQ
1206J1K00271KFR Image
  • Part#:1206J1K00271KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1KV C0G/NP0 1206
  • In Stock:148600
$0.132/pcsRFQ
1825Y0100335JXT Image
  • Part#:1825Y0100335JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3UF 10V X7R 1825
  • In Stock:21985
$1.426/pcsRFQ
0603Y2000680KFT Image
  • Part#:0603Y2000680KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 200V C0G/NP0 0603
  • In Stock:293978
$0.079/pcsRFQ
1825Y1000390JCT Image
  • Part#:1825Y1000390JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 100V C0G/NP0 1825
  • In Stock:41148
$0.888/pcsRFQ
1206Y5000471KCT Image
  • Part#:1206Y5000471KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 500V C0G/NP0 1206
  • In Stock:214387
$0.096/pcsRFQ
1210Y1000223JET Image
  • Part#:1210Y1000223JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 100V X7R 1210
  • In Stock:72319
$0.285/pcsRFQ
0805Y0160561KCR Image
  • Part#:0805Y0160561KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 16V C0G/NP0 0805
  • In Stock:382369
$0.058/pcsRFQ
1808J0500222JFR Image
  • Part#:1808J0500222JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 50V C0G/NP0 1808
  • In Stock:142352
$0.166/pcsRFQ
0805Y0160100KCT Image
  • Part#:0805Y0160100KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 16V C0G/NP0 0805
  • In Stock:365973
$0.058/pcsRFQ
2220J0250821JCR Image
  • Part#:2220J0250821JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 25V C0G/NP0 2220
  • In Stock:50002
$0.658/pcsRFQ
2225Y4K00562MXR Image
  • Part#:2225Y4K00562MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 4KV X7R 2225
  • In Stock:55230
$0.6/pcsRFQ
2220Y0160333FCR Image
  • Part#:2220Y0160333FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 16V C0G/NP0 2220
  • In Stock:10567
$3.217/pcsRFQ
1808J1K00183MDT Image
  • Part#:1808J1K00183MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 1KV X7R 1808
  • In Stock:64167
$0.314/pcsRFQ
1808J1000822MDT Image
  • Part#:1808J1000822MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 100V X7R 1808
  • In Stock:115737
$0.181/pcsRFQ
1111Y3000431FQT Image
  • Part#:1111Y3000431FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 430PF 300V C0G/NP0 1111
  • In Stock:24591
$1.579/pcsRFQ
1210Y0250222KXR Image
  • Part#:1210Y0250222KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 25V X7R 1210
  • In Stock:160838
$0.142/pcsRFQ
0603Y0500472MDR Image
  • Part#:0603Y0500472MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 50V X7R 0603
  • In Stock:312050
$0.062/pcsRFQ
1825Y0500271KCT Image
  • Part#:1825Y0500271KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 50V C0G/NP0 1825
  • In Stock:38489
$0.932/pcsRFQ
2220Y5000271GCT Image
  • Part#:2220Y5000271GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 2220
  • In Stock:33396
$1.131/pcsRFQ
2225J1K20102JXT Image
  • Part#:2225J1K20102JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1.2KV X7R 2225
  • In Stock:49246
$0.69/pcsRFQ
1812Y6300180GCT Image
  • Part#:1812Y6300180GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 630V C0G/NP0 1812
  • In Stock:82986
$0.468/pcsRFQ
1812J2K50120JCT Image
  • Part#:1812J2K50120JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 2.5KV C0G/NP0 1812
  • In Stock:64150
$0.3/pcsRFQ
1812Y1K00391JDT Image
  • Part#:1812Y1K00391JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV X7R 1812
  • In Stock:77073
$0.505/pcsRFQ
1808J0160104MXT Image
  • Part#:1808J0160104MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 16V X7R 1808
  • In Stock:133712
$0.151/pcsRFQ
1206J0500272FAT Image
  • Part#:1206J0500272FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 50V C0G/NP0 1206
  • In Stock:63526
$0.536/pcsRFQ
1808J0160223JFR Image
  • Part#:1808J0160223JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 16V C0G/NP0 1808
  • In Stock:61160
$0.332/pcsRFQ
0505J2504P70DQT Image
  • Part#:0505J2504P70DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 250V C0G/NP0 0505
  • In Stock:117543
$0.167/pcsRFQ
1825J2K00392KXR Image
  • Part#:1825J2K00392KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 2KV X7R 1825
  • In Stock:73228
$0.514/pcsRFQ
1808Y0100823KCT Image
  • Part#:1808Y0100823KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 10V C0G/NP0 1808
  • In Stock:92889
$0.39/pcsRFQ
1812J2000103KXR Image
  • Part#:1812J2000103KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 200V X7R 1812
  • In Stock:91203
$0.239/pcsRFQ
1206J6300822KXT Image
  • Part#:1206J6300822KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:310305
$0.076/pcsRFQ
1808Y6300223KXT Image
  • Part#:1808Y6300223KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 630V X7R 1808
  • In Stock:98460
$0.231/pcsRFQ
  • Part#:2225Y1K50330KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:42791
$0.701/pcsRFQ
1210Y5000393KDT Image
  • Part#:1210Y5000393KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 500V X7R 1210
  • In Stock:95267
$0.232/pcsRFQ
1210Y2500182FFR Image
  • Part#:1210Y2500182FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 250V C0G/NP0 1210
  • In Stock:33395
$1.018/pcsRFQ
1808J0630473MXR Image
  • Part#:1808J0630473MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 63V X7R 1808
  • In Stock:185715
$0.126/pcsRFQ
1812J0160333JDR Image
  • Part#:1812J0160333JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 16V X7R 1812
  • In Stock:70368
$0.436/pcsRFQ
1210Y0250394MDR Image
  • Part#:1210Y0250394MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 25V X7R 1210
  • In Stock:85587
$0.281/pcsRFQ
1111J5006P80BQT Image
  • Part#:1111J5006P80BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 500V C0G/NP0 1111
  • In Stock:52717
$0.696/pcsRFQ
2211JA250560FCTSPU Image
  • Part#:2211JA250560FCTSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 250V C0G/NP0 2211
  • In Stock:25226
$1.451/pcsRFQ
1206J0100220JCT Image
  • Part#:1206J0100220JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 10V C0G/NP0 1206
  • In Stock:251751
$0.086/pcsRFQ
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