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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

1812J0500223JDT Image
  • Part#:1812J0500223JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 50V X7R 1812
  • In Stock:67953
$0.456/pcsRFQ
  • Part#:0805J1000823JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 100V X7R 0805
  • In Stock:254394
$0.081/pcsRFQ
0805Y1000151KER Image
  • Part#:0805Y1000151KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 100V X7R 0805
  • In Stock:275553
$0.083/pcsRFQ
0603J0500121KXT Image
  • Part#:0603J0500121KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 50V X7R 0603
  • In Stock:447462
$0.049/pcsRFQ
2220J0250680FFR Image
  • Part#:2220J0250680FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 25V C0G/NP0 2220
  • In Stock:8890
$3.874/pcsRFQ
1825Y2000180JCR Image
  • Part#:1825Y2000180JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 200V C0G/NP0 1825
  • In Stock:36165
$0.944/pcsRFQ
0805Y0168P20BFT Image
  • Part#:0805Y0168P20BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 16V C0G/NP0 0805
  • In Stock:77308
$0.275/pcsRFQ
2225J3K00561JXR Image
  • Part#:2225J3K00561JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 3KV X7R 2225
  • In Stock:36888
$0.842/pcsRFQ
1210Y5000473KET Image
  • Part#:1210Y5000473KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 500V X7R 1210
  • In Stock:98479
$0.228/pcsRFQ
1825Y5000561GCR Image
  • Part#:1825Y5000561GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 500V C0G/NP0 1825
  • In Stock:28354
$1.098/pcsRFQ
1210Y0630682FCT Image
  • Part#:1210Y0630682FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 63V C0G/NP0 1210
  • In Stock:42448
$0.727/pcsRFQ
1111J2000560GQT Image
  • Part#:1111J2000560GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 200V C0G/NP0 1111
  • In Stock:56647
$0.599/pcsRFQ
1825Y1K00391MXR Image
  • Part#:1825Y1K00391MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV X7R 1825
  • In Stock:72556
$0.523/pcsRFQ
1812J1000392JXR Image
  • Part#:1812J1000392JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 100V X7R 1812
  • In Stock:81159
$0.291/pcsRFQ
0603J0630271GFT Image
  • Part#:0603J0630271GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 63V C0G/NP0 0603
  • In Stock:134420
$0.141/pcsRFQ
1812Y0500822MXR Image
  • Part#:1812Y0500822MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 50V X7R 1812
  • In Stock:75431
$0.27/pcsRFQ
1808J5000391KCT Image
  • Part#:1808J5000391KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V C0G/NP0 1808
  • In Stock:142252
$0.14/pcsRFQ
1206J1000470GQT Image
  • Part#:1206J1000470GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 100V C0G/NP0 1206
  • In Stock:73131
$0.277/pcsRFQ
2220J1K20122KXT Image
  • Part#:2220J1K20122KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 1.2KV X7R 2220
  • In Stock:68495
$0.45/pcsRFQ
1206J3000160GQT Image
  • Part#:1206J3000160GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 16PF 300V C0G/NP0 1206
  • In Stock:103324
$0.374/pcsRFQ
1812J4K00330GCR Image
  • Part#:1812J4K00330GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 4KV C0G/NP0 1812
  • In Stock:86669
$0.275/pcsRFQ
0603J2000430KQT Image
  • Part#:0603J2000430KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 43PF 200V C0G/NP0 0603
  • In Stock:184037
$0.114/pcsRFQ
2225Y1K00270JFR Image
  • Part#:2225Y1K00270JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 1KV C0G/NP0 2225
  • In Stock:28163
$1.104/pcsRFQ
2211YA250221GCRSP Image
  • Part#:2211YA250221GCRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V C0G/NP0 2211
  • In Stock:31461
$1.234/pcsRFQ
1206Y1001P90DQT Image
  • Part#:1206Y1001P90DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.9PF 100V C0G/NP0 1206
  • In Stock:132719
$0.175/pcsRFQ
2225J6300681KXT Image
  • Part#:2225J6300681KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 630V X7R 2225
  • In Stock:43851
$0.711/pcsRFQ
1206Y0633P90BFR Image
  • Part#:1206Y0633P90BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 63V C0G/NP0 1206
  • In Stock:102139
$0.357/pcsRFQ
2225Y4K00561GCR Image
  • Part#:2225Y4K00561GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 4KV C0G/NP0 2225
  • In Stock:32854
$1.013/pcsRFQ
1812J6300221KCT Image
  • Part#:1812J6300221KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 630V C0G/NP0 1812
  • In Stock:83075
$0.271/pcsRFQ
1825J4K00271KCR Image
  • Part#:1825J4K00271KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 4KV C0G/NP0 1825
  • In Stock:66945
$0.349/pcsRFQ
1808J0100100FCR Image
  • Part#:1808J0100100FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 10V C0G/NP0 1808
  • In Stock:95204
$0.399/pcsRFQ
2225Y0630272JCR Image
  • Part#:2225Y0630272JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 63V C0G/NP0 2225
  • In Stock:38823
$0.964/pcsRFQ
1210Y0500562KER Image
  • Part#:1210Y0500562KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 50V X7R 1210
  • In Stock:89536
$0.214/pcsRFQ
1812JA250221KCTSY2 Image
  • Part#:1812JA250221KCTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V C0G/NP0 1812
  • In Stock:78359
$0.421/pcsRFQ
1206J2500223KDT Image
  • Part#:1206J2500223KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 250V X7R 1206
  • In Stock:170809
$0.128/pcsRFQ
0603Y1502P70HQT Image
  • Part#:0603Y1502P70HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 150V C0G/NP0 0603
  • In Stock:84272
$0.233/pcsRFQ
0603Y0500150JAT Image
  • Part#:0603Y0500150JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 50V C0G/NP0 0603
  • In Stock:266717
$0.076/pcsRFQ
1206J6300390GAR Image
  • Part#:1206J6300390GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 630V C0G/NP0 1206
  • In Stock:101025
$0.201/pcsRFQ
1808Y0250153KCT Image
  • Part#:1808Y0250153KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 25V C0G/NP0 1808
  • In Stock:107074
$0.211/pcsRFQ
2220J0160820FCR Image
  • Part#:2220J0160820FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 16V C0G/NP0 2220
  • In Stock:12602
$2.513/pcsRFQ
1808Y0500223JDT Image
  • Part#:1808Y0500223JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 50V X7R 1808
  • In Stock:84474
$0.27/pcsRFQ
0603J0630472MXR Image
  • Part#:0603J0630472MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 63V X7R 0603
  • In Stock:484014
$0.045/pcsRFQ
2220Y0100274KCT Image
  • Part#:2220Y0100274KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 10V C0G/NP0 2220
  • In Stock:19028
$1.799/pcsRFQ
1812J6300331KAT Image
  • Part#:1812J6300331KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 630V C0G/NP0 1812
  • In Stock:89389
$0.373/pcsRFQ
2220Y1K00273JDT Image
  • Part#:2220Y1K00273JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 1KV X7R 2220
  • In Stock:25066
$1.264/pcsRFQ
2225Y0160102GCR Image
  • Part#:2225Y0160102GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 16V C0G/NP0 2225
  • In Stock:22129
$1.734/pcsRFQ
1111Y1000820GQT Image
  • Part#:1111Y1000820GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 100V C0G/NP0 1111
  • In Stock:59134
$0.553/pcsRFQ
2220Y2000333JDT Image
  • Part#:2220Y2000333JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 200V X7R 2220
  • In Stock:28049
$1.278/pcsRFQ
2225J0500390GCT Image
  • Part#:2225J0500390GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 50V C0G/NP0 2225
  • In Stock:24807
$1.421/pcsRFQ
0805Y1K00180KCR Image
  • Part#:0805Y1K00180KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1KV C0G/NP0 0805
  • In Stock:455626
$0.05/pcsRFQ
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