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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

1808J0630103JCT Image
  • Part#:1808J0630103JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 63V C0G/NP0 1808
  • In Stock:107421
$0.176/pcsRFQ
1812J1K00122KDR Image
  • Part#:1812J1K00122KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 1KV X7R 1812
  • In Stock:57624
$0.355/pcsRFQ
  • Part#:2220J2500331FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2220
  • In Stock:11263
$2.85/pcsRFQ
1812J5000273MDR Image
  • Part#:1812J5000273MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 500V X7R 1812
  • In Stock:64132
$0.361/pcsRFQ
0603J0160121JCR Image
  • Part#:0603J0160121JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 16V C0G/NP0 0603
  • In Stock:337953
$0.064/pcsRFQ
1808J0100680JCR Image
  • Part#:1808J0100680JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 10V C0G/NP0 1808
  • In Stock:185804
$0.112/pcsRFQ
1812Y0630560FAR Image
  • Part#:1812Y0630560FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 63V C0G/NP0 1812
  • In Stock:26030
$1.376/pcsRFQ
1812J0250182JCR Image
  • Part#:1812J0250182JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 25V C0G/NP0 1812
  • In Stock:85658
$0.252/pcsRFQ
0603Y250P470BFT Image
  • Part#:0603Y250P470BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47PF 250V C0G/NP0 0603
  • In Stock:105924
$0.226/pcsRFQ
1206J2K01P80CQT Image
  • Part#:1206J2K01P80CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 2KV C0G/NP0 1206
  • In Stock:111009
$0.2/pcsRFQ
1808J0160270JDT Image
  • Part#:1808J0160270JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 16V X7R 1808
  • In Stock:106184
$0.184/pcsRFQ
2225J1000683MDR Image
  • Part#:2225J1000683MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 100V X7R 2225
  • In Stock:33349
$0.924/pcsRFQ
1808J0160271KDR Image
  • Part#:1808J0160271KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 16V X7R 1808
  • In Stock:126869
$0.164/pcsRFQ
1210Y0500152KAR Image
  • Part#:1210Y0500152KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 50V C0G/NP0 1210
  • In Stock:79635
$0.25/pcsRFQ
1111J2K01P70HQT Image
  • Part#:1111J2K01P70HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.7PF 2000V C0G/NP0 1111
  • In Stock:63988
$0.562/pcsRFQ
1825Y6300102GCR Image
  • Part#:1825Y6300102GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 630V C0G/NP0 1825
  • In Stock:30604
$1.124/pcsRFQ
1210Y1K00680GFT Image
  • Part#:1210Y1K00680GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 1KV C0G/NP0 1210
  • In Stock:63905
$0.349/pcsRFQ
  • Part#:1812J4K00470JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1812
  • In Stock:94889
$0.241/pcsRFQ
2220J5000333KXR Image
  • Part#:2220J5000333KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 500V X7R 2220
  • In Stock:80878
$0.429/pcsRFQ
1808J0630104MDR Image
  • Part#:1808J0630104MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 63V X7R 1808
  • In Stock:111841
$0.198/pcsRFQ
1206J0100331JCT Image
  • Part#:1206J0100331JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 10V C0G/NP0 1206
  • In Stock:236299
$0.086/pcsRFQ
1206Y2000102JCR Image
  • Part#:1206Y2000102JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 200V C0G/NP0 1206
  • In Stock:204966
$0.103/pcsRFQ
1808J2500390FFR Image
  • Part#:1808J2500390FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 250V C0G/NP0 1808
  • In Stock:57157
$0.538/pcsRFQ
0603Y0160562JXR Image
  • Part#:0603Y0160562JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 16V X7R 0603
  • In Stock:330127
$0.058/pcsRFQ
0603J0250271MXR Image
  • Part#:0603J0250271MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 25V X7R 0603
  • In Stock:501327
$0.042/pcsRFQ
1825J0160395MXT Image
  • Part#:1825J0160395MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9UF 16V X7R 1825
  • In Stock:34236
$1.015/pcsRFQ
1210J0500103KDT Image
  • Part#:1210J0500103KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 50V X7R 1210
  • In Stock:98111
$0.223/pcsRFQ
1206Y2000181JET Image
  • Part#:1206Y2000181JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 200V X7R 1206
  • In Stock:150449
$0.144/pcsRFQ
1206J0500221JFR Image
  • Part#:1206J0500221JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 50V C0G/NP0 1206
  • In Stock:207632
$0.099/pcsRFQ
0805Y3000221KQT Image
  • Part#:0805Y3000221KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 300V C0G/NP0 0805
  • In Stock:98222
$0.201/pcsRFQ
1210Y2500103MXR Image
  • Part#:1210Y2500103MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 250V X7R 1210
  • In Stock:135268
$0.146/pcsRFQ
1825Y1K50272FCT Image
  • Part#:1825Y1K50272FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 1.5KV C0G 1825
  • In Stock:11126
$2.99/pcsRFQ
0805J0253P30CCR Image
  • Part#:0805J0253P30CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 25V C0G/NP0 0805
  • In Stock:294824
$0.081/pcsRFQ
1210Y5000271JCT Image
  • Part#:1210Y5000271JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 1210
  • In Stock:142891
$0.139/pcsRFQ
1812Y2000392GCT Image
  • Part#:1812Y2000392GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 200V C0G/NP0 1812
  • In Stock:49319
$0.683/pcsRFQ
1825Y1000123JXR Image
  • Part#:1825Y1000123JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 100V X7R 1825
  • In Stock:35280
$0.964/pcsRFQ
0805J5000331JCR Image
  • Part#:0805J5000331JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V C0G/NP0 0805
  • In Stock:335658
$0.061/pcsRFQ
2225Y0250123KFT Image
  • Part#:2225Y0250123KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 25V C0G/NP0 2225
  • In Stock:24446
$1.527/pcsRFQ
0603J0500151GCR Image
  • Part#:0603J0500151GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 50V C0G/NP0 0603
  • In Stock:249751
$0.092/pcsRFQ
0805Y2000821JXT Image
  • Part#:0805Y2000821JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 200V X7R 0805
  • In Stock:257378
$0.082/pcsRFQ
2225J1K00122KXR Image
  • Part#:2225J1K00122KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 1KV X7R 2225
  • In Stock:53575
$0.587/pcsRFQ
2225Y6300224KXT Image
  • Part#:2225Y6300224KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 630V X7R 2225
  • In Stock:26322
$1.415/pcsRFQ
0805Y0250680FCT Image
  • Part#:0805Y0250680FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 25V C0G/NP0 0805
  • In Stock:116573
$0.197/pcsRFQ
1808J6300681KXR Image
  • Part#:1808J6300681KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 630V X7R 1808
  • In Stock:106330
$0.209/pcsRFQ
1206Y1000680JQT Image
  • Part#:1206Y1000680JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 100V C0G/NP0 1206
  • In Stock:93205
$0.236/pcsRFQ
0505Y1500620FQT Image
  • Part#:0505Y1500620FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 62PF 150V C0G/NP0 0505
  • In Stock:41035
$0.944/pcsRFQ
2220Y1K00682KDT Image
  • Part#:2220Y1K00682KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 1KV X7R 2220
  • In Stock:44517
$0.778/pcsRFQ
1812Y5000331FAT Image
  • Part#:1812Y5000331FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V C0G/NP0 1812
  • In Stock:39002
$0.988/pcsRFQ
1210Y0100821KCT Image
  • Part#:1210Y0100821KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 10V C0G/NP0 1210
  • In Stock:143954
$0.167/pcsRFQ
0805Y5000392JER Image
  • Part#:0805Y5000392JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 500V X7R 0805
  • In Stock:185062
$0.111/pcsRFQ
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