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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

1808Y1K20821KCT Image
  • Part#:1808Y1K20821KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1.2KV C0G/NP0 1808
  • In Stock:93029
$0.23/pcsRFQ
2220J1K20820FCT Image
  • Part#:2220J1K20820FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 1.2KV C0G/NP0 2220
  • In Stock:21964
$1.598/pcsRFQ
1812Y1000223JDR Image
  • Part#:1812Y1000223JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 100V X7R 1812
  • In Stock:64018
$0.495/pcsRFQ
1210J0500183GCT Image
  • Part#:1210J0500183GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 50V C0G/NP0 1210
  • In Stock:67776
$0.492/pcsRFQ
1808J0100125MXR Image
  • Part#:1808J0100125MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2UF 10V X7R 1808
  • In Stock:95148
$0.236/pcsRFQ
0805J2000472KXT Image
  • Part#:0805J2000472KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 200V X7R 0805
  • In Stock:341009
$0.067/pcsRFQ
2225J0160180KFT Image
  • Part#:2225J0160180KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 16V C0G/NP0 2225
  • In Stock:27604
$1.295/pcsRFQ
1808J2500682JCT Image
  • Part#:1808J2500682JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 250V C0G/NP0 1808
  • In Stock:71875
$0.278/pcsRFQ
1812Y5000682JDT Image
  • Part#:1812Y5000682JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 500V X7R 1812
  • In Stock:84364
$0.417/pcsRFQ
1812J2000270JAT Image
  • Part#:1812J2000270JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 200V C0G/NP0 1812
  • In Stock:88804
$0.384/pcsRFQ
2220Y2000822KFT Image
  • Part#:2220Y2000822KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 200V C0G/NP0 2220
  • In Stock:28977
$1.297/pcsRFQ
0805Y5000560FCR Image
  • Part#:0805Y5000560FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 500V C0G/NP0 0805
  • In Stock:138948
$0.173/pcsRFQ
0805Y1000331KQT Image
  • Part#:0805Y1000331KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 100V C0G/NP0 0805
  • In Stock:95403
$0.253/pcsRFQ
  • Part#:0805Y2500680KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 250V C0G/NP0 0805
  • In Stock:297274
$0.072/pcsRFQ
2220J4K00150JCR Image
  • Part#:2220J4K00150JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 4KV C0G/NP0 2220
  • In Stock:83240
$0.255/pcsRFQ
2220Y0250150FFR Image
  • Part#:2220Y0250150FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 25V C0G/NP0 2220
  • In Stock:8233
$4.18/pcsRFQ
1210J2500123MXT Image
  • Part#:1210J2500123MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 250V X7R 1210
  • In Stock:135309
$0.154/pcsRFQ
0603Y1502P10DQT Image
  • Part#:0603Y1502P10DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.1PF 150V C0G/NP0 0603
  • In Stock:227549
$0.089/pcsRFQ
1808Y0250121KCT Image
  • Part#:1808Y0250121KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 25V C0G/NP0 1808
  • In Stock:147938
$0.126/pcsRFQ
1210Y0500120FFT Image
  • Part#:1210Y0500120FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 50V C0G/NP0 1210
  • In Stock:45617
$0.867/pcsRFQ
2225J0500564KXT Image
  • Part#:2225J0500564KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 50V X7R 2225
  • In Stock:42494
$0.817/pcsRFQ
1206Y2000221FQT Image
  • Part#:1206Y2000221FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 200V C0G/NP0 1206
  • In Stock:39096
$0.833/pcsRFQ
2225J0630100GFT Image
  • Part#:2225J0630100GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 63V C0G/NP0 2225
  • In Stock:18596
$2.106/pcsRFQ
1210Y2K00820KCT Image
  • Part#:1210Y2K00820KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 2KV C0G/NP0 1210
  • In Stock:164113
$0.141/pcsRFQ
0805J3005P60DQT Image
  • Part#:0805J3005P60DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 300V C0G/NP0 0805
  • In Stock:134885
$0.148/pcsRFQ
1825J1K50221JCR Image
  • Part#:1825J1K50221JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1.5KV C0G/NP0 1825
  • In Stock:74537
$0.52/pcsRFQ
1206J1K00150JFT Image
  • Part#:1206J1K00150JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 1KV C0G/NP0 1206
  • In Stock:206440
$0.112/pcsRFQ
1812J1000331JCR Image
  • Part#:1812J1000331JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 100V C0G/NP0 1812
  • In Stock:78501
$0.272/pcsRFQ
0603J1000391FCT Image
  • Part#:0603J1000391FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 100V C0G/NP0 0603
  • In Stock:102815
$0.201/pcsRFQ
2220J1000184JXT Image
  • Part#:2220J1000184JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 100V X7R 2220
  • In Stock:42464
$0.783/pcsRFQ
1206J0505P60DAT Image
  • Part#:1206J0505P60DAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 50V C0G/NP0 1206
  • In Stock:166567
$0.117/pcsRFQ
0603J0501P00CCR Image
  • Part#:0603J0501P00CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 50V C0G/NP0 0603
  • In Stock:296459
$0.072/pcsRFQ
0805J0161P00BCT Image
  • Part#:0805J0161P00BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 16V C0G/NP0 0805
  • In Stock:109054
$0.175/pcsRFQ
1812Y0630563KDR Image
  • Part#:1812Y0630563KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 63V X7R 1812
  • In Stock:77044
$0.399/pcsRFQ
0603Y0631P00DQT Image
  • Part#:0603Y0631P00DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 63V C0G/NP0 0603
  • In Stock:198644
$0.099/pcsRFQ
0805Y1001P80DFT Image
  • Part#:0805Y1001P80DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 100V C0G/NP0 0805
  • In Stock:220801
$0.085/pcsRFQ
1812Y0160222JCT Image
  • Part#:1812Y0160222JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 16V C0G/NP0 1812
  • In Stock:67277
$0.308/pcsRFQ
2220Y2500274MDR Image
  • Part#:2220Y2500274MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 250V X7R 2220
  • In Stock:35253
$1.066/pcsRFQ
2225Y2000181JFR Image
  • Part#:2225Y2000181JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 200V C0G/NP0 2225
  • In Stock:22257
$1.429/pcsRFQ
1206J0500682KCT Image
  • Part#:1206J0500682KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 50V C0G/NP0 1206
  • In Stock:172718
$0.124/pcsRFQ
1808J4K00560GCT Image
  • Part#:1808J4K00560GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 4KV C0G/NP0 1808
  • In Stock:85315
$0.261/pcsRFQ
0505J300P900DQT Image
  • Part#:0505J300P900DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.9PF 300V C0G/NP0 0505
  • In Stock:139646
$0.162/pcsRFQ
1808Y1000181MDR Image
  • Part#:1808Y1000181MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 100V X7R 1808
  • In Stock:126564
$0.171/pcsRFQ
1812J1000183JDT Image
  • Part#:1812J1000183JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 100V X7R 1812
  • In Stock:86003
$0.46/pcsRFQ
0805Y0630181KFT Image
  • Part#:0805Y0630181KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 63V C0G/NP0 0805
  • In Stock:261667
$0.083/pcsRFQ
0805J2500330FCR Image
  • Part#:0805J2500330FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 250V C0G/NP0 0805
  • In Stock:116434
$0.19/pcsRFQ
  • Part#:0805Y0100184JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 10V X7R 0805
  • In Stock:275144
$0.086/pcsRFQ
1111J3000331JQT Image
  • Part#:1111J3000331JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 300V C0G/NP0 1111
  • In Stock:68456
$0.45/pcsRFQ
2225Y6300102JCR Image
  • Part#:2225Y6300102JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 630V C0G/NP0 2225
  • In Stock:46963
$0.809/pcsRFQ
1808Y2000101JXR Image
  • Part#:1808Y2000101JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 200V X7R 1808
  • In Stock:148111
$0.145/pcsRFQ
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