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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

1808J1K20822MXR Image
  • Part#:1808J1K20822MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 1.2KV X7R 1808
  • In Stock:127265
$0.17/pcsRFQ
0603Y0500750FQT Image
  • Part#:0603Y0500750FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 75PF 50V C0G/NP0 0603
  • In Stock:74127
$0.281/pcsRFQ
1825J1000121GCR Image
  • Part#:1825J1000121GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 100V C0G/NP0 1825
  • In Stock:26860
$1.392/pcsRFQ
  • Part#:1206Y5000330GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:170575
$0.114/pcsRFQ
0603Y0250391JDT Image
  • Part#:0603Y0250391JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V X7R 0603
  • In Stock:249246
$0.077/pcsRFQ
1210Y2500472FCR Image
  • Part#:1210Y2500472FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 250V C0G/NP0 1210
  • In Stock:42403
$0.884/pcsRFQ
1812Y1000681FAR Image
  • Part#:1812Y1000681FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 100V C0G/NP0 1812
  • In Stock:22855
$1.549/pcsRFQ
2220J0500182FCR Image
  • Part#:2220J0500182FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 50V C0G/NP0 2220
  • In Stock:14409
$2.362/pcsRFQ
2225J0250103KFT Image
  • Part#:2225J0250103KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 25V C0G/NP0 2225
  • In Stock:29748
$1.3/pcsRFQ
1206J1K01P00CAR Image
  • Part#:1206J1K01P00CAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 1000V C0G/NP0 1206
  • In Stock:118698
$0.203/pcsRFQ
1808YA250331MXRSP Image
  • Part#:1808YA250331MXRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 250V X7R 1808
  • In Stock:106004
$0.218/pcsRFQ
0805Y0250561MDT Image
  • Part#:0805Y0250561MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 25V X7R 0805
  • In Stock:256352
$0.079/pcsRFQ
1808Y1K50390FCR Image
  • Part#:1808Y1K50390FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 1.5KV C0G/NP0 1808
  • In Stock:85509
$0.452/pcsRFQ
2220J1000561JFT Image
  • Part#:2220J1000561JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 100V C0G/NP0 2220
  • In Stock:31273
$1.015/pcsRFQ
1825J1K00823MXT Image
  • Part#:1825J1K00823MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 1KV X7R 1825
  • In Stock:50430
$0.693/pcsRFQ
2220Y4K00470GCR Image
  • Part#:2220Y4K00470GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 4KV C0G/NP0 2220
  • In Stock:69661
$0.503/pcsRFQ
1206Y0630682MDR Image
  • Part#:1206Y0630682MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 63V X7R 1206
  • In Stock:214131
$0.1/pcsRFQ
1210J5004P70CAR Image
  • Part#:1210J5004P70CAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 500V C0G/NP0 1210
  • In Stock:75982
$0.302/pcsRFQ
1808J2500182FCR Image
  • Part#:1808J2500182FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 250V C0G/NP0 1808
  • In Stock:60205
$0.517/pcsRFQ
1206Y2K06P20DQT Image
  • Part#:1206Y2K06P20DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.2PF 2000V C0G/NP0 1206
  • In Stock:95260
$0.233/pcsRFQ
1808J0100823KXR Image
  • Part#:1808J0100823KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 10V X7R 1808
  • In Stock:164917
$0.13/pcsRFQ
2220J2K00102MXR Image
  • Part#:2220J2K00102MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 2KV X7R 2220
  • In Stock:80277
$0.401/pcsRFQ
0805J1K01P50DCT Image
  • Part#:0805J1K01P50DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 1KV C0G/NP0 0805
  • In Stock:348999
$0.057/pcsRFQ
1812Y0630124MDR Image
  • Part#:1812Y0630124MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 63V X7R 1812
  • In Stock:78987
$0.409/pcsRFQ
1210Y0630120KFR Image
  • Part#:1210Y0630120KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 63V C0G/NP0 1210
  • In Stock:81820
$0.239/pcsRFQ
1808YA255P60DCRSP Image
  • Part#:1808YA255P60DCRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 250V C0G/NP0 1808
  • In Stock:78384
$0.299/pcsRFQ
1210J0250152GCR Image
  • Part#:1210J0250152GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 25V C0G/NP0 1210
  • In Stock:74805
$0.301/pcsRFQ
1812J5000821MDR Image
  • Part#:1812J5000821MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 500V X7R 1812
  • In Stock:61631
$0.349/pcsRFQ
1808J0630100FFR Image
  • Part#:1808J0630100FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 63V C0G/NP0 1808
  • In Stock:61634
$0.603/pcsRFQ
0603J1000330KAR Image
  • Part#:0603J1000330KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 100V C0G/NP0 0603
  • In Stock:335091
$0.069/pcsRFQ
2225J1K20180KCR Image
  • Part#:2225J1K20180KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1.2KV C0G/NP0 2225
  • In Stock:48953
$0.719/pcsRFQ
1206Y1000124JXR Image
  • Part#:1206Y1000124JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 100V X7R 1206
  • In Stock:169075
$0.138/pcsRFQ
2225J5000153JFT Image
  • Part#:2225J5000153JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 500V C0G 2225
  • In Stock:22083
$1.629/pcsRFQ
0603J0100823JXR Image
  • Part#:0603J0100823JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 10V X7R 0603
  • In Stock:304201
$0.064/pcsRFQ
1210Y1000563MET Image
  • Part#:1210Y1000563MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 100V X7R 1210
  • In Stock:91867
$0.249/pcsRFQ
2220Y2500100FCR Image
  • Part#:2220Y2500100FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 250V C0G/NP0 2220
  • In Stock:11755
$2.932/pcsRFQ
1812J2K50272KXT Image
  • Part#:1812J2K50272KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 2.5KV X7R 1812
  • In Stock:75157
$0.296/pcsRFQ
  • Part#:0603J1001P50CAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0603
  • In Stock:246577
$0.083/pcsRFQ
1206J2K00180KCT Image
  • Part#:1206J2K00180KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 2KV C0G/NP0 1206
  • In Stock:252258
$0.084/pcsRFQ
1210J1000390FCR Image
  • Part#:1210J1000390FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 100V C0G/NP0 1210
  • In Stock:67185
$0.552/pcsRFQ
2220J0250222GFR Image
  • Part#:2220J0250222GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 25V C0G/NP0 2220
  • In Stock:18956
$1.781/pcsRFQ
1808J0100123MXR Image
  • Part#:1808J0100123MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 10V X7R 1808
  • In Stock:145552
$0.163/pcsRFQ
1808J1K00122MDT Image
  • Part#:1808J1K00122MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 1KV X7R 1808
  • In Stock:107008
$0.223/pcsRFQ
1808J0630152FCR Image
  • Part#:1808J0630152FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 63V C0G/NP0 1808
  • In Stock:63119
$0.34/pcsRFQ
0603J0630331KCT Image
  • Part#:0603J0630331KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 63V C0G/NP0 0603
  • In Stock:447478
$0.053/pcsRFQ
1812Y5000680GAT Image
  • Part#:1812Y5000680GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 500V C0G/NP0 1812
  • In Stock:44487
$0.784/pcsRFQ
2225Y0500224GCT Image
  • Part#:2225Y0500224GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 50V C0G/NP0 2225
  • In Stock:9547
$3.793/pcsRFQ
2220J5000331KDR Image
  • Part#:2220J5000331KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V X7R 2220
  • In Stock:50092
$0.624/pcsRFQ
1206J0630154MDT Image
  • Part#:1206J0630154MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 63V X7R 1206
  • In Stock:123209
$0.165/pcsRFQ
1808J5000331JXR Image
  • Part#:1808J5000331JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V X7R 1808
  • In Stock:94849
$0.202/pcsRFQ
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