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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

1812Y4K00151KXR Image
  • Part#:1812Y4K00151KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 4KV X7R 1812
  • In Stock:72549
$0.263/pcsRFQ
2220Y2500683JXR Image
  • Part#:2220Y2500683JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 250V X7R 2220
  • In Stock:44304
$0.843/pcsRFQ
0505J1001P50BQT Image
  • Part#:0505J1001P50BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 100V C0G/NP0 0505
  • In Stock:105037
$0.198/pcsRFQ
  • Part#:0603Y2000392JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 200V X7R 0603
  • In Stock:466716
$0.048/pcsRFQ
0805Y0250103JCR Image
  • Part#:0805Y0250103JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 25V C0G/NP0 0805
  • In Stock:191248
$0.099/pcsRFQ
2220J1000272JFT Image
  • Part#:2220J1000272JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 100V C0G/NP0 2220
  • In Stock:38247
$1.002/pcsRFQ
1210J0160394KDT Image
  • Part#:1210J0160394KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 16V X7R 1210
  • In Stock:78506
$0.303/pcsRFQ
1210Y1000153GCT Image
  • Part#:1210Y1000153GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 100V C0G 1210
  • In Stock:46717
$0.676/pcsRFQ
1808Y2500473KDT Image
  • Part#:1808Y2500473KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 250V X7R 1808
  • In Stock:62581
$0.31/pcsRFQ
1206J0161P20BFT Image
  • Part#:1206J0161P20BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 16V C0G/NP0 1206
  • In Stock:103462
$0.364/pcsRFQ
1210Y2500221GFR Image
  • Part#:1210Y2500221GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V C0G/NP0 1210
  • In Stock:63614
$0.468/pcsRFQ
0603J0103P30BCT Image
  • Part#:0603J0103P30BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 10V C0G/NP0 0603
  • In Stock:181225
$0.122/pcsRFQ
0603J0160271MXR Image
  • Part#:0603J0160271MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 16V X7R 0603
  • In Stock:459708
$0.046/pcsRFQ
1808J2500390KCT Image
  • Part#:1808J2500390KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 250V C0G/NP0 1808
  • In Stock:188783
$0.126/pcsRFQ
0505Y1006P20BQT Image
  • Part#:0505Y1006P20BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.2PF 100V C0G/NP0 0505
  • In Stock:75248
$0.509/pcsRFQ
1825J0100154GCT Image
  • Part#:1825J0100154GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 10V C0G/NP0 1825
  • In Stock:11210
$2.668/pcsRFQ
1808Y5K00470KCR Image
  • Part#:1808Y5K00470KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 5KV C0G/NP0 1808
  • In Stock:117652
$0.185/pcsRFQ
2225Y2500332FFR Image
  • Part#:2225Y2500332FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 250V C0G/NP0 2225
  • In Stock:6210
$5.784/pcsRFQ
1808Y2505P60BCR Image
  • Part#:1808Y2505P60BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 250V C0G/NP0 1808
  • In Stock:79247
$0.255/pcsRFQ
1206Y1000150FFR Image
  • Part#:1206Y1000150FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 100V C0G/NP0 1206
  • In Stock:76359
$0.404/pcsRFQ
1206Y0250822KXT Image
  • Part#:1206Y0250822KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 25V X7R 1206
  • In Stock:284225
$0.083/pcsRFQ
1812Y2000183KDR Image
  • Part#:1812Y2000183KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 200V X7R 1812
  • In Stock:73177
$0.412/pcsRFQ
0603J0500123JDT Image
  • Part#:0603J0500123JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 50V X7R 0603
  • In Stock:267862
$0.084/pcsRFQ
1812J1K50100FCR Image
  • Part#:1812J1K50100FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 1.5KV C0G/NP0 1812
  • In Stock:45438
$0.664/pcsRFQ
0603J1001P20BFT Image
  • Part#:0603J1001P20BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 100V C0G/NP0 0603
  • In Stock:107968
$0.214/pcsRFQ
0505Y0631P00HQT Image
  • Part#:0505Y0631P00HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 63V C0G/NP0 0505
  • In Stock:77459
$0.261/pcsRFQ
  • Part#:1825Y1K20221KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:73615
$0.479/pcsRFQ
1210Y0500682MER Image
  • Part#:1210Y0500682MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 50V X7R 1210
  • In Stock:94077
$0.204/pcsRFQ
2225J5000681KXR Image
  • Part#:2225J5000681KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 500V X7R 2225
  • In Stock:68996
$0.564/pcsRFQ
2220Y0500155KXR Image
  • Part#:2220Y0500155KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5UF 50V X7R 2220
  • In Stock:39027
$0.881/pcsRFQ
1808Y0250334MDR Image
  • Part#:1808Y0250334MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 25V X7R 1808
  • In Stock:86167
$0.236/pcsRFQ
1812Y0630180KAT Image
  • Part#:1812Y0630180KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 63V C0G/NP0 1812
  • In Stock:63436
$0.525/pcsRFQ
0805J1500271FQT Image
  • Part#:0805J1500271FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 150V C0G/NP0 0805
  • In Stock:43983
$0.692/pcsRFQ
1812J0500121FAT Image
  • Part#:1812J0500121FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 50V C0G/NP0 1812
  • In Stock:27413
$1.25/pcsRFQ
1206Y2000823MET Image
  • Part#:1206Y2000823MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 200V X7R 1206
  • In Stock:102863
$0.184/pcsRFQ
0805Y0160220FCT Image
  • Part#:0805Y0160220FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 16V C0G/NP0 0805
  • In Stock:121107
$0.193/pcsRFQ
1812J2500221KCR Image
  • Part#:1812J2500221KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V C0G/NP0 1812
  • In Stock:85983
$0.259/pcsRFQ
2211JA250330KCTSPU Image
  • Part#:2211JA250330KCTSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 250V C0G/NP0 2211
  • In Stock:66221
$0.542/pcsRFQ
0805Y1000153MDR Image
  • Part#:0805Y1000153MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 100V X7R 0805
  • In Stock:246570
$0.091/pcsRFQ
1812J0630183JDR Image
  • Part#:1812J0630183JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 63V X7R 1812
  • In Stock:70591
$0.441/pcsRFQ
1812Y1000563JXT Image
  • Part#:1812Y1000563JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 100V X7R 1812
  • In Stock:88743
$0.364/pcsRFQ
1210J6300821JAR Image
  • Part#:1210J6300821JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 630V C0G/NP0 1210
  • In Stock:102508
$0.199/pcsRFQ
1206J5003P90CFR Image
  • Part#:1206J5003P90CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 500V C0G/NP0 1206
  • In Stock:131431
$0.181/pcsRFQ
0603Y0100223JXR Image
  • Part#:0603Y0100223JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 10V X7R 0603
  • In Stock:300333
$0.062/pcsRFQ
1206J0630473JDT Image
  • Part#:1206J0630473JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 63V X7R 1206
  • In Stock:148632
$0.153/pcsRFQ
1111Y1500441FQT Image
  • Part#:1111Y1500441FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 440PF 150V C0G/NP0 1111
  • In Stock:22133
$1.574/pcsRFQ
1825Y3K00470GCR Image
  • Part#:1825Y3K00470GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 3KV C0G/NP0 1825
  • In Stock:25974
$1.245/pcsRFQ
0805J0501P80BAT Image
  • Part#:0805J0501P80BAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 50V C0G/NP0 0805
  • In Stock:75328
$0.261/pcsRFQ
2220Y0100154FCR Image
  • Part#:2220Y0100154FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 10V C0G/NP0 2220
  • In Stock:6180
$4.813/pcsRFQ
0805J0160470GCT Image
  • Part#:0805J0160470GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 16V C0G/NP0 0805
  • In Stock:209307
$0.097/pcsRFQ
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