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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

1111J500P700CQT Image
  • Part#:1111J500P700CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.7PF 500V C0G/NP0 1111
  • In Stock:85129
$0.271/pcsRFQ
1808Y0250471KFR Image
  • Part#:1808Y0250471KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 25V C0G/NP0 1808
  • In Stock:135227
$0.167/pcsRFQ
0505Y1503P60BQT Image
  • Part#:0505Y1503P60BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.6PF 150V C0G/NP0 0505
  • In Stock:69314
$0.288/pcsRFQ
0805Y2500152KXT Image
  • Part#:0805Y2500152KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 250V X7R 0805
  • In Stock:329332
$0.069/pcsRFQ
1210J0630392FFT Image
  • Part#:1210J0630392FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 63V C0G/NP0 1210
  • In Stock:36244
$0.913/pcsRFQ
1808J2500332MXR Image
  • Part#:1808J2500332MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 250V X7R 1808
  • In Stock:185745
$0.113/pcsRFQ
0603Y2000240GQT Image
  • Part#:0603Y2000240GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 24PF 200V C0G/NP0 0603
  • In Stock:77042
$0.247/pcsRFQ
0805J5000820JDR Image
  • Part#:0805J5000820JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 500V X7R 0805
  • In Stock:246463
$0.091/pcsRFQ
0805J0630561KAR Image
  • Part#:0805J0630561KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 63V C0G/NP0 0805
  • In Stock:288255
$0.081/pcsRFQ
1825Y2500271GCT Image
  • Part#:1825Y2500271GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 250V C0G/NP0 1825
  • In Stock:17842
$1.877/pcsRFQ
2220J3K00472JXR Image
  • Part#:2220J3K00472JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 3KV X7R 2220
  • In Stock:46023
$0.674/pcsRFQ
1808Y4K00271JXT Image
  • Part#:1808Y4K00271JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 4KV X7R 1808
  • In Stock:99646
$0.224/pcsRFQ
1808JA250150GCRSPU Image
  • Part#:1808JA250150GCRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 250V C0G/NP0 1808
  • In Stock:60560
$0.349/pcsRFQ
1210Y1K00821KFR Image
  • Part#:1210Y1K00821KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1KV C0G/NP0 1210
  • In Stock:115630
$0.202/pcsRFQ
2220Y0500394KDT Image
  • Part#:2220Y0500394KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 50V X7R 2220
  • In Stock:31057
$1.09/pcsRFQ
1825J2K00150GCR Image
  • Part#:1825J2K00150GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 2KV C0G/NP0 1825
  • In Stock:34829
$1.025/pcsRFQ
1812Y1K00391JET Image
  • Part#:1812Y1K00391JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV X7R 1812
  • In Stock:73822
$0.496/pcsRFQ
060322001P00BQTLSM Image
  • Part#:060322001P00BQTLSM
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 200V C0G/NP0 0603
  • In Stock:343718
$0.058/pcsRFQ
0603Y5000330GCT Image
  • Part#:0603Y5000330GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 500V C0G/NP0 0603
  • In Stock:239502
$0.099/pcsRFQ
1210Y1K20101FCR Image
  • Part#:1210Y1K20101FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 1.2KV C0G/NP0 1210
  • In Stock:86906
$0.449/pcsRFQ
1825Y0630473MXT Image
  • Part#:1825Y0630473MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 63V X7R 1825
  • In Stock:40999
$0.809/pcsRFQ
2220J2500333MXT Image
  • Part#:2220J2500333MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 250V X7R 2220
  • In Stock:55346
$0.59/pcsRFQ
0805J0160180GCR Image
  • Part#:0805J0160180GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 16V C0G/NP0 0805
  • In Stock:203881
$0.092/pcsRFQ
1808Y2000391KFT Image
  • Part#:1808Y2000391KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 200V C0G/NP0 1808
  • In Stock:113789
$0.193/pcsRFQ
0805Y5003P90CFT Image
  • Part#:0805Y5003P90CFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 500V C0G/NP0 0805
  • In Stock:149779
$0.135/pcsRFQ
1808Y1K06P80DFR Image
  • Part#:1808Y1K06P80DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 1KV C0G/NP0 1808
  • In Stock:78454
$0.296/pcsRFQ
1206J1002P20BQT Image
  • Part#:1206J1002P20BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 100V C0G/NP0 1206
  • In Stock:110695
$0.187/pcsRFQ
2220J0160181KFT Image
  • Part#:2220J0160181KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 16V C0G/NP0 2220
  • In Stock:32170
$1.058/pcsRFQ
0603J2000560JCT Image
  • Part#:0603J2000560JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 200V C0G/NP0 0603
  • In Stock:431674
$0.056/pcsRFQ
1206Y5000560FFT Image
  • Part#:1206Y5000560FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 500V C0G/NP0 1206
  • In Stock:79641
$0.415/pcsRFQ
2225J0630270GFT Image
  • Part#:2225J0630270GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 63V C0G/NP0 2225
  • In Stock:18795
$2.093/pcsRFQ
0805Y5002P20BCR Image
  • Part#:0805Y5002P20BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 500V C0G/NP0 0805
  • In Stock:125731
$0.183/pcsRFQ
1812Y1K00120GAR Image
  • Part#:1812Y1K00120GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1KV C0G/NP0 1812
  • In Stock:52928
$0.728/pcsRFQ
2225J2K00121KCR Image
  • Part#:2225J2K00121KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 2KV C0G/NP0 2225
  • In Stock:56888
$0.61/pcsRFQ
0805Y0160471JCR Image
  • Part#:0805Y0160471JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 16V C0G/NP0 0805
  • In Stock:397199
$0.056/pcsRFQ
0805J2000561KFR Image
  • Part#:0805J2000561KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 200V C0G/NP0 0805
  • In Stock:176550
$0.107/pcsRFQ
0805J0638P20DFT Image
  • Part#:0805J0638P20DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 63V C0G/NP0 0805
  • In Stock:277477
$0.086/pcsRFQ
0805Y5000820KAR Image
  • Part#:0805Y5000820KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 500V C0G/NP0 0805
  • In Stock:255418
$0.075/pcsRFQ
1808Y3K00471MXT Image
  • Part#:1808Y3K00471MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 3KV X7R 1808
  • In Stock:141595
$0.155/pcsRFQ
1808YA250561MXTSY2 Image
  • Part#:1808YA250561MXTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 250V X7R 1808
  • In Stock:75009
$0.322/pcsRFQ
0603J2501P00DCR Image
  • Part#:0603J2501P00DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 250V C0G/NP0 0603
  • In Stock:412568
$0.047/pcsRFQ
1825J1K20151GCT Image
  • Part#:1825J1K20151GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1.2KV C0G/NP0 1825
  • In Stock:39999
$0.907/pcsRFQ
0603J2000390FCT Image
  • Part#:0603J2000390FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 200V C0G/NP0 0603
  • In Stock:111104
$0.181/pcsRFQ
1812J1000221FFR Image
  • Part#:1812J1000221FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 100V C0G/NP0 1812
  • In Stock:23346
$1.427/pcsRFQ
1812J2500100GCT Image
  • Part#:1812J2500100GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 250V C0G/NP0 1812
  • In Stock:70173
$0.478/pcsRFQ
0505J3006P80HQT Image
  • Part#:0505J3006P80HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 300V C0G/NP0 0505
  • In Stock:29135
$1.093/pcsRFQ
1111J1000110KQT Image
  • Part#:1111J1000110KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 11PF 100V C0G/NP0 1111
  • In Stock:58079
$0.329/pcsRFQ
1206J0250471JFR Image
  • Part#:1206J0250471JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 25V C0G/NP0 1206
  • In Stock:165860
$0.13/pcsRFQ
1812Y0250222JFT Image
  • Part#:1812Y0250222JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 25V C0G/NP0 1812
  • In Stock:72482
$0.47/pcsRFQ
1210Y1K20472JXR Image
  • Part#:1210Y1K20472JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 1.2KV X7R 1210
  • In Stock:112366
$0.179/pcsRFQ
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