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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

1812J0250181FFR Image
  • Part#:1812J0250181FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 25V C0G/NP0 1812
  • In Stock:26953
$1.324/pcsRFQ
2225J0100150JCR Image
  • Part#:2225J0100150JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 10V C0G/NP0 2225
  • In Stock:38087
$0.913/pcsRFQ
2220J1K50150KCR Image
  • Part#:2220J1K50150KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 1.5KV C0G/NP0 2220
  • In Stock:70538
$0.441/pcsRFQ
1812Y1K00681GCR Image
  • Part#:1812Y1K00681GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1KV C0G/NP0 1812
  • In Stock:70373
$0.551/pcsRFQ
2225Y5000222KXT Image
  • Part#:2225Y5000222KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 500V X7R 2225
  • In Stock:49982
$0.668/pcsRFQ
1808J1K20471MXT Image
  • Part#:1808J1K20471MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.2KV X7R 1808
  • In Stock:156308
$0.133/pcsRFQ
1206Y2002P40CQT Image
  • Part#:1206Y2002P40CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.4PF 200V C0G/NP0 1206
  • In Stock:118186
$0.172/pcsRFQ
2225J2500222FCR Image
  • Part#:2225J2500222FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 250V C0G/NP0 2225
  • In Stock:11208
$3.485/pcsRFQ
1808J6300473KXT Image
  • Part#:1808J6300473KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 630V X7R 1808
  • In Stock:104066
$0.229/pcsRFQ
1210Y2000180FCR Image
  • Part#:1210Y2000180FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 200V C0G/NP0 1210
  • In Stock:51583
$0.606/pcsRFQ
2225Y0250331GFR Image
  • Part#:2225Y0250331GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 25V C0G/NP0 2225
  • In Stock:13224
$2.746/pcsRFQ
1206J5000100MDR Image
  • Part#:1206J5000100MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 500V X7R 1206
  • In Stock:232146
$0.099/pcsRFQ
  • Part#:2225J0250681FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:9328
$4.215/pcsRFQ
1812Y0250473JFT Image
  • Part#:1812Y0250473JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 25V C0G/NP0 1812
  • In Stock:39537
$0.835/pcsRFQ
1210J0250183JCR Image
  • Part#:1210J0250183JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 25V C0G/NP0 1210
  • In Stock:78118
$0.249/pcsRFQ
1825J2500101FCR Image
  • Part#:1825J2500101FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V C0G/NP0 1825
  • In Stock:10186
$2.964/pcsRFQ
1210Y2500332KDT Image
  • Part#:1210Y2500332KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 250V X7R 1210
  • In Stock:97874
$0.239/pcsRFQ
0603Y2500620JQT Image
  • Part#:0603Y2500620JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 62PF 250V C0G/NP0 0603
  • In Stock:184532
$0.129/pcsRFQ
0603Y0250273JXT Image
  • Part#:0603Y0250273JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 25V X7R 0603
  • In Stock:359667
$0.063/pcsRFQ
0805Y2000561JXT Image
  • Part#:0805Y2000561JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 200V X7R 0805
  • In Stock:266135
$0.082/pcsRFQ
0603Y063P600HQT Image
  • Part#:0603Y063P600HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.6PF 63V C0G/NP0 0603
  • In Stock:170173
$0.138/pcsRFQ
2225Y1000223FCT Image
  • Part#:2225Y1000223FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 100V C0G 2225
  • In Stock:7237
$4.678/pcsRFQ
1825J0160100FCR Image
  • Part#:1825J0160100FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 16V C0G/NP0 1825
  • In Stock:11239
$2.808/pcsRFQ
1825Y1K20102JXR Image
  • Part#:1825Y1K20102JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1.2KV X7R 1825
  • In Stock:46540
$0.691/pcsRFQ
1206Y5000333KET Image
  • Part#:1206Y5000333KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 500V X7R 1206
  • In Stock:155443
$0.148/pcsRFQ
1808Y5000152FCT Image
  • Part#:1808Y5000152FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 500V C0G/NP0 1808
  • In Stock:50208
$0.614/pcsRFQ
1808J5000331MDT Image
  • Part#:1808J5000331MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V X7R 1808
  • In Stock:75856
$0.249/pcsRFQ
2220J1K20221KCT Image
  • Part#:2220J1K20221KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1.2KV C0G/NP0 2220
  • In Stock:64739
$0.484/pcsRFQ
1808J1K00271JXR Image
  • Part#:1808J1K00271JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1KV X7R 1808
  • In Stock:105387
$0.2/pcsRFQ
1210Y1K00561FFT Image
  • Part#:1210Y1K00561FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1KV C0G/NP0 1210
  • In Stock:37872
$0.797/pcsRFQ
1812Y5000821FFT Image
  • Part#:1812Y5000821FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 500V C0G/NP0 1812
  • In Stock:27535
$1.135/pcsRFQ
1206J0630273KDR Image
  • Part#:1206J0630273KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 63V X7R 1206
  • In Stock:224006
$0.106/pcsRFQ
0805Y0250821JCT Image
  • Part#:0805Y0250821JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 25V C0G/NP0 0805
  • In Stock:310021
$0.066/pcsRFQ
1808Y0160155KDT Image
  • Part#:1808Y0160155KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5UF 16V X7R 1808
  • In Stock:70437
$0.443/pcsRFQ
0603J0250560KFT Image
  • Part#:0603J0250560KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 25V C0G/NP0 0603
  • In Stock:271551
$0.089/pcsRFQ
2211YA250271JXTSPU Image
  • Part#:2211YA250271JXTSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 250V X7R 2211
  • In Stock:66788
$0.462/pcsRFQ
1111Y5004P30DQT Image
  • Part#:1111Y5004P30DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.3PF 500V C0G/NP0 1111
  • In Stock:66124
$0.314/pcsRFQ
0603Y150P900HQT Image
  • Part#:0603Y150P900HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.9PF 150V C0G/NP0 0603
  • In Stock:176025
$0.135/pcsRFQ
1210J1K00391JFT Image
  • Part#:1210J1K00391JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV C0G/NP0 1210
  • In Stock:83864
$0.232/pcsRFQ
0603J0630822JXT Image
  • Part#:0603J0630822JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 63V X7R 0603
  • In Stock:447916
$0.054/pcsRFQ
0603Y2000820KFT Image
  • Part#:0603Y2000820KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 200V C0G/NP0 0603
  • In Stock:261256
$0.081/pcsRFQ
1210Y2008P20CFR Image
  • Part#:1210Y2008P20CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 200V C0G/NP0 1210
  • In Stock:62323
$0.311/pcsRFQ
1206J2000271FCR Image
  • Part#:1206J2000271FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 200V C0G/NP0 1206
  • In Stock:67563
$0.32/pcsRFQ
2225Y2500272FFR Image
  • Part#:2225Y2500272FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 250V C0G/NP0 2225
  • In Stock:6241
$5.817/pcsRFQ
0805J0255P60CFR Image
  • Part#:0805J0255P60CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 25V C0G/NP0 0805
  • In Stock:164452
$0.121/pcsRFQ
1808Y2500271KXT Image
  • Part#:1808Y2500271KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 250V X7R 1808
  • In Stock:174005
$0.131/pcsRFQ
1825Y5000683JXR Image
  • Part#:1825Y5000683JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 500V X7R 1825
  • In Stock:48034
$0.792/pcsRFQ
2225Y0250391JFR Image
  • Part#:2225Y0250391JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 2225
  • In Stock:24567
$1.523/pcsRFQ
2225Y0630561JCR Image
  • Part#:2225Y0630561JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 63V C0G/NP0 2225
  • In Stock:33046
$0.948/pcsRFQ
1206Y5000222MER Image
  • Part#:1206Y5000222MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 500V X7R 1206
  • In Stock:214781
$0.088/pcsRFQ
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