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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

1812Y4K00271KXT Image
  • Part#:1812Y4K00271KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 4KV X7R 1812
  • In Stock:77229
$0.295/pcsRFQ
1210J1000180GCR Image
  • Part#:1210J1000180GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 100V C0G/NP0 1210
  • In Stock:66243
$0.284/pcsRFQ
1206Y6301P20BQT Image
  • Part#:1206Y6301P20BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 630V C0G/NP0 1206
  • In Stock:111205
$0.17/pcsRFQ
2211JA250471KXRSP Image
  • Part#:2211JA250471KXRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V X7R 2211
  • In Stock:80345
$0.438/pcsRFQ
1808Y2000181GFT Image
  • Part#:1808Y2000181GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 200V C0G/NP0 1808
  • In Stock:62897
$0.307/pcsRFQ
1812Y1K00560KFT Image
  • Part#:1812Y1K00560KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 1KV C0G/NP0 1812
  • In Stock:92447
$0.414/pcsRFQ
1825Y2000153JCR Image
  • Part#:1825Y2000153JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 200V C0G 1825
  • In Stock:33009
$1.083/pcsRFQ
  • Part#:1206Y1K00391KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:250587
$0.081/pcsRFQ
2225Y2K00100JCT Image
  • Part#:2225Y2K00100JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 2KV C0G/NP0 2225
  • In Stock:39852
$0.814/pcsRFQ
1812J1000560GCT Image
  • Part#:1812J1000560GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 100V C0G/NP0 1812
  • In Stock:73195
$0.438/pcsRFQ
1206Y2000471GQT Image
  • Part#:1206Y2000471GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 200V C0G/NP0 1206
  • In Stock:80480
$0.42/pcsRFQ
1825J0160563GCR Image
  • Part#:1825J0160563GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 16V C0G/NP0 1825
  • In Stock:20839
$1.874/pcsRFQ
0805J0630821KFR Image
  • Part#:0805J0630821KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 63V C0G/NP0 0805
  • In Stock:264905
$0.082/pcsRFQ
0805J2000121GQT Image
  • Part#:0805J2000121GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 200V C0G/NP0 0805
  • In Stock:85223
$0.448/pcsRFQ
1210J5000821KCR Image
  • Part#:1210J5000821KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 500V C0G/NP0 1210
  • In Stock:197973
$0.118/pcsRFQ
2220Y5000682JXT Image
  • Part#:2220Y5000682JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 500V X7R 2220
  • In Stock:59365
$0.644/pcsRFQ
0603J016P470CFR Image
  • Part#:0603J016P470CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47PF 16V C0G/NP0 0603
  • In Stock:215846
$0.092/pcsRFQ
1210J2000392GFT Image
  • Part#:1210J2000392GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 200V C0G/NP0 1210
  • In Stock:49653
$0.599/pcsRFQ
1206J1000181GCT Image
  • Part#:1206J1000181GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:159071
$0.124/pcsRFQ
2225Y2K50122JXR Image
  • Part#:2225Y2K50122JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 2.5KV X7R 2225
  • In Stock:23554
$1.27/pcsRFQ
2220Y1000151FCR Image
  • Part#:2220Y1000151FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 100V C0G/NP0 2220
  • In Stock:14533
$2.645/pcsRFQ
1825Y2K00222JXR Image
  • Part#:1825Y2K00222JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 2KV X7R 1825
  • In Stock:42892
$0.73/pcsRFQ
0505J2009P10DQT Image
  • Part#:0505J2009P10DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 9.1PF 200V C0G/NP0 0505
  • In Stock:117292
$0.182/pcsRFQ
1210J0630180GCT Image
  • Part#:1210J0630180GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 63V C0G/NP0 1210
  • In Stock:71145
$0.29/pcsRFQ
1206Y0250273MXR Image
  • Part#:1206Y0250273MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 25V X7R 1206
  • In Stock:291620
$0.075/pcsRFQ
1111J500P900BQT Image
  • Part#:1111J500P900BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.9PF 500V C0G/NP0 1111
  • In Stock:73479
$0.286/pcsRFQ
1210J0160391JFR Image
  • Part#:1210J0160391JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 16V C0G/NP0 1210
  • In Stock:96514
$0.242/pcsRFQ
2225Y3K00561KCT Image
  • Part#:2225Y3K00561KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 3KV C0G/NP0 2225
  • In Stock:41881
$0.945/pcsRFQ
1206J2000151KXT Image
  • Part#:1206J2000151KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:307016
$0.067/pcsRFQ
2220Y0630821KFR Image
  • Part#:2220Y0630821KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 63V C0G/NP0 2220
  • In Stock:29564
$1.089/pcsRFQ
2220Y1K00682JXR Image
  • Part#:2220Y1K00682JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 1KV X7R 2220
  • In Stock:53186
$0.645/pcsRFQ
2220J1K20181FCR Image
  • Part#:2220J1K20181FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1.2KV C0G/NP0 2220
  • In Stock:19905
$1.591/pcsRFQ
1206J0630820JCT Image
  • Part#:1206J0630820JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 63V C0G/NP0 1206
  • In Stock:252566
$0.087/pcsRFQ
1812Y0500223FCR Image
  • Part#:1812Y0500223FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 50V C0G/NP0 1812
  • In Stock:20534
$1.652/pcsRFQ
2225Y0250272JFT Image
  • Part#:2225Y0250272JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 25V C0G/NP0 2225
  • In Stock:26896
$1.455/pcsRFQ
2220J2500273KCR Image
  • Part#:2220J2500273KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 250V C0G 2220
  • In Stock:37394
$0.917/pcsRFQ
0603J1000151KXR Image
  • Part#:0603J1000151KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 100V X7R 0603
  • In Stock:511779
$0.045/pcsRFQ
2225J1K00182JDT Image
  • Part#:2225J1K00182JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1KV X7R 2225
  • In Stock:27396
$1.164/pcsRFQ
0805J0630152FCT Image
  • Part#:0805J0630152FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 63V C0G/NP0 0805
  • In Stock:86314
$0.277/pcsRFQ
  • Part#:0805Y0166P80CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 16V C0G/NP0 0805
  • In Stock:194450
$0.104/pcsRFQ
0603Y2500270JQT Image
  • Part#:0603Y2500270JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 250V C0G/NP0 0603
  • In Stock:181395
$0.117/pcsRFQ
1825Y0630105JXR Image
  • Part#:1825Y0630105JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1UF 63V X7R 1825
  • In Stock:25643
$1.17/pcsRFQ
2220Y5000561FFT Image
  • Part#:2220Y5000561FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 500V C0G/NP0 2220
  • In Stock:13323
$2.867/pcsRFQ
1812J5K00180FCR Image
  • Part#:1812J5K00180FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 5KV C0G/NP0 1812
  • In Stock:60462
$0.59/pcsRFQ
2225Y2K50681GCT Image
  • Part#:2225Y2K50681GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 2.5KV C0G/NP0 2225
  • In Stock:23894
$1.464/pcsRFQ
2220Y0250152FCT Image
  • Part#:2220Y0250152FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 25V C0G/NP0 2220
  • In Stock:12092
$2.713/pcsRFQ
2211YA250270GCTSP Image
  • Part#:2211YA250270GCTSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 250V C0G/NP0 2211
  • In Stock:45599
$0.852/pcsRFQ
1210J0160333KCR Image
  • Part#:1210J0160333KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 16V C0G/NP0 1210
  • In Stock:84976
$0.279/pcsRFQ
1812Y1K00331KET Image
  • Part#:1812Y1K00331KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1KV X7R 1812
  • In Stock:73233
$0.451/pcsRFQ
1825J0250335JXT Image
  • Part#:1825J0250335JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3UF 25V X7R 1825
  • In Stock:23606
$1.496/pcsRFQ
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