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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

1210J5000331JDR Image
  • Part#:1210J5000331JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V X7R 1210
  • In Stock:87958
$0.219/pcsRFQ
1210Y0250682JXT Image
  • Part#:1210Y0250682JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 25V X7R 1210
  • In Stock:99404
$0.188/pcsRFQ
1808J1K00682JXR Image
  • Part#:1808J1K00682JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 1KV X7R 1808
  • In Stock:108397
$0.191/pcsRFQ
1206J3000271KQT Image
  • Part#:1206J3000271KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 300V C0G/NP0 1206
  • In Stock:67309
$0.284/pcsRFQ
1812J0250151JCR Image
  • Part#:1812J0250151JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 25V C0G/NP0 1812
  • In Stock:88397
$0.256/pcsRFQ
1206Y6300331JCT Image
  • Part#:1206Y6300331JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 630V C0G/NP0 1206
  • In Stock:216508
$0.103/pcsRFQ
1808J5000820GFR Image
  • Part#:1808J5000820GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 500V C0G/NP0 1808
  • In Stock:61942
$0.351/pcsRFQ
1206J0250684KDT Image
  • Part#:1206J0250684KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 25V X7R 1206
  • In Stock:80642
$0.269/pcsRFQ
1410Y1000182MCTE03 Image
  • Part#:1410Y1000182MCTE03
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 100V C0G/NP0 1410
  • In Stock:61379
$0.333/pcsRFQ
0805Y2000153MET Image
  • Part#:0805Y2000153MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 200V X7R 0805
  • In Stock:200283
$0.108/pcsRFQ
1825J1000120KCT Image
  • Part#:1825J1000120KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 100V C0G/NP0 1825
  • In Stock:50692
$0.759/pcsRFQ
1812J1K00223MDT Image
  • Part#:1812J1K00223MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 1KV X7R 1812
  • In Stock:76537
$0.391/pcsRFQ
1210J1000333MDR Image
  • Part#:1210J1000333MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 100V X7R 1210
  • In Stock:95937
$0.225/pcsRFQ
0805Y0501P50DQT Image
  • Part#:0805Y0501P50DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 50V C0G/NP0 0805
  • In Stock:139365
$0.155/pcsRFQ
1812Y6300182GAT Image
  • Part#:1812Y6300182GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 630V C0G/NP0 1812
  • In Stock:45547
$0.83/pcsRFQ
0805Y0632P70DFR Image
  • Part#:0805Y0632P70DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 63V C0G/NP0 0805
  • In Stock:283645
$0.079/pcsRFQ
1812Y0630153MXR Image
  • Part#:1812Y0630153MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 63V X7R 1812
  • In Stock:76570
$0.269/pcsRFQ
1825Y2000391FCT Image
  • Part#:1825Y2000391FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 200V C0G/NP0 1825
  • In Stock:12651
$2.922/pcsRFQ
1410J0500204MXRE03 Image
  • Part#:1410J0500204MXRE03
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.2UF 50V X7R 1410
  • In Stock:75805
$0.467/pcsRFQ
2225J2000273JFT Image
  • Part#:2225J2000273JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 200V C0G 2225
  • In Stock:14847
$2.06/pcsRFQ
0805Y0160271MXR Image
  • Part#:0805Y0160271MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 16V X7R 0805
  • In Stock:464527
$0.047/pcsRFQ
1812J0250680FFR Image
  • Part#:1812J0250680FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 25V C0G/NP0 1812
  • In Stock:26864
$1.388/pcsRFQ
2220J0630124KDR Image
  • Part#:2220J0630124KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 63V X7R 2220
  • In Stock:40711
$0.947/pcsRFQ
0805Y0160562FCT Image
  • Part#:0805Y0160562FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 16V C0G/NP0 0805
  • In Stock:104503
$0.359/pcsRFQ
2225Y2500103GFT Image
  • Part#:2225Y2500103GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 250V C0G 2225
  • In Stock:9591
$3.372/pcsRFQ
1808Y1K20221GCT Image
  • Part#:1808Y1K20221GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1.2KV C0G/NP0 1808
  • In Stock:72770
$0.271/pcsRFQ
0805J5000270FQT Image
  • Part#:0805J5000270FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 500V C0G/NP0 0805
  • In Stock:65212
$0.52/pcsRFQ
1812Y1K20182FCT Image
  • Part#:1812Y1K20182FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1.2KV C0G 1812
  • In Stock:28054
$1.224/pcsRFQ
1808J0500683JXT Image
  • Part#:1808J0500683JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 50V X7R 1808
  • In Stock:122852
$0.174/pcsRFQ
1808Y0630121FFT Image
  • Part#:1808Y0630121FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 1808
  • In Stock:57430
$0.587/pcsRFQ
1210J1000220KCR Image
  • Part#:1210J1000220KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 100V C0G/NP0 1210
  • In Stock:150504
$0.149/pcsRFQ
1825Y0160471JCT Image
  • Part#:1825Y0160471JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 16V C0G/NP0 1825
  • In Stock:44853
$0.848/pcsRFQ
2220Y1K20221JXR Image
  • Part#:2220Y1K20221JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1.2KV X7R 2220
  • In Stock:59060
$0.609/pcsRFQ
1812Y2500124KXR Image
  • Part#:1812Y2500124KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 250V X7R 1812
  • In Stock:61363
$0.337/pcsRFQ
0603Y250P560CFT Image
  • Part#:0603Y250P560CFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56PF 250V C0G/NP0 0603
  • In Stock:179333
$0.106/pcsRFQ
1206Y5000151KER Image
  • Part#:1206Y5000151KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 500V X7R 1206
  • In Stock:195830
$0.109/pcsRFQ
1812Y0250151KFT Image
  • Part#:1812Y0250151KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 25V C0G/NP0 1812
  • In Stock:67469
$0.448/pcsRFQ
1808Y4K00681MXT Image
  • Part#:1808Y4K00681MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 4KV X7R 1808
  • In Stock:98251
$0.208/pcsRFQ
2225J1000120GCR Image
  • Part#:2225J1000120GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 100V C0G/NP0 2225
  • In Stock:26659
$1.369/pcsRFQ
2220Y2K50331GCR Image
  • Part#:2220Y2K50331GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 2.5KV C0G/NP0 2220
  • In Stock:27936
$1.134/pcsRFQ
1812J2000153KCR Image
  • Part#:1812J2000153KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 200V C0G 1812
  • In Stock:57267
$0.571/pcsRFQ
1808J2000101KXT Image
  • Part#:1808J2000101KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 200V X7R 1808
  • In Stock:172969
$0.127/pcsRFQ
1210Y5000391KAR Image
  • Part#:1210Y5000391KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V C0G/NP0 1210
  • In Stock:127987
$0.168/pcsRFQ
1206Y1K00150GFR Image
  • Part#:1206Y1K00150GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 1KV C0G/NP0 1206
  • In Stock:98139
$0.243/pcsRFQ
1808J0630564JXT Image
  • Part#:1808J0630564JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 63V X7R 1808
  • In Stock:82457
$0.268/pcsRFQ
1808Y1K50180FCR Image
  • Part#:1808Y1K50180FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1.5KV C0G/NP0 1808
  • In Stock:73162
$0.472/pcsRFQ
  • Part#:2225J2000334KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:27645
$1.229/pcsRFQ
2220J4K00271FCT Image
  • Part#:2220J4K00271FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 4KV C0G/NP0 2220
  • In Stock:17963
$1.71/pcsRFQ
2220Y2K00153KXR Image
  • Part#:2220Y2K00153KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 2KV X7R 2220
  • In Stock:42741
$0.787/pcsRFQ
1812J2K50122JXR Image
  • Part#:1812J2K50122JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 2.5KV X7R 1812
  • In Stock:74194
$0.303/pcsRFQ
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