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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

1812Y0630472JXR Image
  • Part#:1812Y0630472JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 63V X7R 1812
  • In Stock:61146
$0.332/pcsRFQ
1206J1000823JXT Image
  • Part#:1206J1000823JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 100V X7R 1206
  • In Stock:155826
$0.141/pcsRFQ
1206J0630150KCR Image
  • Part#:1206J0630150KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 63V C0G/NP0 1206
  • In Stock:281269
$0.077/pcsRFQ
2220Y4K00821JXR Image
  • Part#:2220Y4K00821JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 4KV X7R 2220
  • In Stock:94236
$0.391/pcsRFQ
2225Y1000121JFR Image
  • Part#:2225Y1000121JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 100V C0G/NP0 2225
  • In Stock:25001
$1.303/pcsRFQ
2225Y0630223JDR Image
  • Part#:2225Y0630223JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 63V X7R 2225
  • In Stock:25346
$1.327/pcsRFQ
1808Y0160153MDT Image
  • Part#:1808Y0160153MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 16V X7R 1808
  • In Stock:72387
$0.308/pcsRFQ
1206Y5000471KXR Image
  • Part#:1206Y5000471KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 500V X7R 1206
  • In Stock:279189
$0.071/pcsRFQ
1210Y2500271JFR Image
  • Part#:1210Y2500271JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 250V C0G/NP0 1210
  • In Stock:71916
$0.262/pcsRFQ
1808J0250181MDR Image
  • Part#:1808J0250181MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 25V X7R 1808
  • In Stock:148733
$0.155/pcsRFQ
1825J2500333KXR Image
  • Part#:1825J2500333KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 250V X7R 1825
  • In Stock:50785
$0.687/pcsRFQ
1210J5000563MDR Image
  • Part#:1210J5000563MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 500V X7R 1210
  • In Stock:113179
$0.191/pcsRFQ
1825Y0160152GCT Image
  • Part#:1825Y0160152GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 16V C0G/NP0 1825
  • In Stock:21692
$1.488/pcsRFQ
2220J0630122FFT Image
  • Part#:2220J0630122FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 63V C0G/NP0 2220
  • In Stock:8661
$3.627/pcsRFQ
0805Y0500391MDR Image
  • Part#:0805Y0500391MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 50V X7R 0805
  • In Stock:273007
$0.07/pcsRFQ
0805Y0636P80BAT Image
  • Part#:0805Y0636P80BAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 63V C0G/NP0 0805
  • In Stock:75449
$0.277/pcsRFQ
2211YA255P60DCTSPU Image
  • Part#:2211YA255P60DCTSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 250V C0G/NP0 2211
  • In Stock:74960
$0.52/pcsRFQ
1812JA250151JXTSY2 Image
  • Part#:1812JA250151JXTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 250V X7R 1812
  • In Stock:89012
$0.399/pcsRFQ
1812Y2500151KCR Image
  • Part#:1812Y2500151KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 250V C0G/NP0 1812
  • In Stock:68240
$0.289/pcsRFQ
1812Y0500183KAR Image
  • Part#:1812Y0500183KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 50V C0G/NP0 1812
  • In Stock:57851
$0.534/pcsRFQ
0805Y2000101KER Image
  • Part#:0805Y2000101KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 200V X7R 0805
  • In Stock:244523
$0.091/pcsRFQ
1210Y1K20150FCT Image
  • Part#:1210Y1K20150FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 1.2KV C0G/NP0 1210
  • In Stock:73451
$0.44/pcsRFQ
0805Y0100100KCT Image
  • Part#:0805Y0100100KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 10V C0G/NP0 0805
  • In Stock:417340
$0.057/pcsRFQ
1808Y0630101MXR Image
  • Part#:1808Y0630101MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 63V X7R 1808
  • In Stock:189709
$0.114/pcsRFQ
1825J0630273KXT Image
  • Part#:1825J0630273KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 63V X7R 1825
  • In Stock:57215
$0.692/pcsRFQ
1206J0630184KDR Image
  • Part#:1206J0630184KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 63V X7R 1206
  • In Stock:133459
$0.159/pcsRFQ
1808Y6300271GCR Image
  • Part#:1808Y6300271GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 630V C0G/NP0 1808
  • In Stock:65206
$0.289/pcsRFQ
1812Y0500392KER Image
  • Part#:1812Y0500392KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 50V X7R 1812
  • In Stock:95973
$0.393/pcsRFQ
1206J0250821MXR Image
  • Part#:1206J0250821MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 25V X7R 1206
  • In Stock:333087
$0.071/pcsRFQ
2225Y1000680JCR Image
  • Part#:2225Y1000680JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 100V C0G/NP0 2225
  • In Stock:36814
$0.87/pcsRFQ
2220J0250104FFR Image
  • Part#:2220J0250104FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 25V C0G/NP0 2220
  • In Stock:6380
$5.762/pcsRFQ
1812Y6300392JXR Image
  • Part#:1812Y6300392JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 630V X7R 1812
  • In Stock:66146
$0.294/pcsRFQ
0603Y0253P90DFR Image
  • Part#:0603Y0253P90DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 25V C0G/NP0 0603
  • In Stock:219475
$0.089/pcsRFQ
1808J1K20331JCR Image
  • Part#:1808J1K20331JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1.2KV C0G/NP0 1808
  • In Stock:130643
$0.172/pcsRFQ
1210Y0250391KFT Image
  • Part#:1210Y0250391KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 1210
  • In Stock:96583
$0.247/pcsRFQ
1812Y5000150FFR Image
  • Part#:1812Y5000150FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 500V C0G/NP0 1812
  • In Stock:23625
$1.424/pcsRFQ
1825J0160823FCT Image
  • Part#:1825J0160823FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 16V C0G/NP0 1825
  • In Stock:9554
$4.137/pcsRFQ
1812Y1K00150GCR Image
  • Part#:1812Y1K00150GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 1KV C0G/NP0 1812
  • In Stock:73600
$0.487/pcsRFQ
0805J0100123FCT Image
  • Part#:0805J0100123FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 10V C0G/NP0 0805
  • In Stock:86160
$0.374/pcsRFQ
0805Y0500681GQT Image
  • Part#:0805Y0500681GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 50V C0G/NP0 0805
  • In Stock:69654
$0.48/pcsRFQ
2225Y0250224KDR Image
  • Part#:2225Y0250224KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 25V X7R 2225
  • In Stock:30807
$1.26/pcsRFQ
0505J0503P30HQT Image
  • Part#:0505J0503P30HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 50V C0G/NP0 0505
  • In Stock:58459
$0.605/pcsRFQ
1825J2000103FCR Image
  • Part#:1825J2000103FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 200V C0G 1825
  • In Stock:10384
$3.463/pcsRFQ
1210Y1000222FFT Image
  • Part#:1210Y1000222FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 100V C0G/NP0 1210
  • In Stock:31788
$0.945/pcsRFQ
1210Y0160681FCR Image
  • Part#:1210Y0160681FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 16V C0G/NP0 1210
  • In Stock:56053
$0.573/pcsRFQ
1812J0630391FFT Image
  • Part#:1812J0630391FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 63V C0G/NP0 1812
  • In Stock:24153
$1.319/pcsRFQ
2225J0630180FFR Image
  • Part#:2225J0630180FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 63V C0G/NP0 2225
  • In Stock:7999
$4.129/pcsRFQ
0603J0253P90DFR Image
  • Part#:0603J0253P90DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 25V C0G/NP0 0603
  • In Stock:276364
$0.086/pcsRFQ
1825J0630181GCT Image
  • Part#:1825J0630181GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 63V C0G/NP0 1825
  • In Stock:25815
$1.438/pcsRFQ
2220J0160274JCT Image
  • Part#:2220J0160274JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 16V C0G/NP0 2220
  • In Stock:20645
$1.623/pcsRFQ
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