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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

0805J2000562JDR Image
  • Part#:0805J2000562JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 200V X7R 0805
  • In Stock:175759
$0.108/pcsRFQ
1210J5000391KXR Image
  • Part#:1210J5000391KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V X7R 1210
  • In Stock:203303
$0.102/pcsRFQ
1808Y0160222KXR Image
  • Part#:1808Y0160222KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 16V X7R 1808
  • In Stock:187352
$0.113/pcsRFQ
1812J2K50182KXR Image
  • Part#:1812J2K50182KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 2.5KV X7R 1812
  • In Stock:55399
$0.339/pcsRFQ
1825J0630273JXT Image
  • Part#:1825J0630273JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 63V X7R 1825
  • In Stock:39770
$0.842/pcsRFQ
2220Y2500684MXR Image
  • Part#:2220Y2500684MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 250V X7R 2220
  • In Stock:41978
$0.922/pcsRFQ
2220J2500564MDT Image
  • Part#:2220J2500564MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 250V X7R 2220
  • In Stock:30546
$1.127/pcsRFQ
1812J0500150GFR Image
  • Part#:1812J0500150GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 50V C0G/NP0 1812
  • In Stock:43157
$0.79/pcsRFQ
0805J2000180FAT Image
  • Part#:0805J2000180FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 200V C0G/NP0 0805
  • In Stock:66972
$0.297/pcsRFQ
1808Y0250271KDR Image
  • Part#:1808Y0250271KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 25V X7R 1808
  • In Stock:119296
$0.168/pcsRFQ
0603J2000150KFR Image
  • Part#:0603J2000150KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 200V C0G/NP0 0603
  • In Stock:256321
$0.074/pcsRFQ
0603Y0100390KCT Image
  • Part#:0603Y0100390KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 10V C0G/NP0 0603
  • In Stock:291919
$0.065/pcsRFQ
2225Y0500560JFR Image
  • Part#:2225Y0500560JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 50V C0G/NP0 2225
  • In Stock:25283
$1.313/pcsRFQ
1206J0630121FCR Image
  • Part#:1206J0630121FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 1206
  • In Stock:78596
$0.275/pcsRFQ
1210Y0630332JAR Image
  • Part#:1210Y0630332JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 63V C0G/NP0 1210
  • In Stock:76885
$0.267/pcsRFQ
1808Y2500101KFT Image
  • Part#:1808Y2500101KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V C0G/NP0 1808
  • In Stock:127441
$0.187/pcsRFQ
0805J1000221GFT Image
  • Part#:0805J1000221GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 100V C0G/NP0 0805
  • In Stock:119974
$0.159/pcsRFQ
1808J2500561JFR Image
  • Part#:1808J2500561JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 250V C0G/NP0 1808
  • In Stock:102164
$0.19/pcsRFQ
1206J1000332FAR Image
  • Part#:1206J1000332FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 100V C0G/NP0 1206
  • In Stock:45469
$0.71/pcsRFQ
0603Y2502P20DFR Image
  • Part#:0603Y2502P20DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 250V C0G/NP0 0603
  • In Stock:264359
$0.073/pcsRFQ
1808Y5000151JFR Image
  • Part#:1808Y5000151JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 500V C0G/NP0 1808
  • In Stock:93803
$0.239/pcsRFQ
0805Y2500182JXR Image
  • Part#:0805Y2500182JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 250V X7R 0805
  • In Stock:296534
$0.075/pcsRFQ
1808J0500270JCR Image
  • Part#:1808J0500270JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 50V C0G/NP0 1808
  • In Stock:183982
$0.112/pcsRFQ
1808J0250271MXT Image
  • Part#:1808J0250271MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 25V X7R 1808
  • In Stock:189601
$0.121/pcsRFQ
1206J0160471JXR Image
  • Part#:1206J0160471JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 16V X7R 1206
  • In Stock:254728
$0.088/pcsRFQ
1206Y1000470FQT Image
  • Part#:1206Y1000470FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 100V C0G/NP0 1206
  • In Stock:54827
$0.691/pcsRFQ
2225J1000472KCR Image
  • Part#:2225J1000472KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V C0G/NP0 2225
  • In Stock:47604
$0.794/pcsRFQ
0603J0160222MXR Image
  • Part#:0603J0160222MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 16V X7R 0603
  • In Stock:443699
$0.043/pcsRFQ
0603J0500681KCR Image
  • Part#:0603J0500681KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 50V C0G/NP0 0603
  • In Stock:439246
$0.052/pcsRFQ
2225Y2K00821FCT Image
  • Part#:2225Y2K00821FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 2KV C0G/NP0 2225
  • In Stock:15418
$2.429/pcsRFQ
1808J5000181KXR Image
  • Part#:1808J5000181KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 500V X7R 1808
  • In Stock:146198
$0.153/pcsRFQ
1812J0250155KDT Image
  • Part#:1812J0250155KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5UF 25V X7R 1812
  • In Stock:59464
$0.639/pcsRFQ
1206J1K00271JAR Image
  • Part#:1206J1K00271JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1000V C0G/NP0 1206
  • In Stock:161339
$0.146/pcsRFQ
1808Y0630681MDT Image
  • Part#:1808Y0630681MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 63V X7R 1808
  • In Stock:97986
$0.209/pcsRFQ
1812Y6300270JAT Image
  • Part#:1812Y6300270JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 630V C0G/NP0 1812
  • In Stock:80471
$0.402/pcsRFQ
2225Y1K00822KDR Image
  • Part#:2225Y1K00822KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 1KV X7R 2225
  • In Stock:36979
$1.042/pcsRFQ
2225J4K00561JXR Image
  • Part#:2225J4K00561JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 4KV X7R 2225
  • In Stock:77322
$0.442/pcsRFQ
1111Y1003P60DQT Image
  • Part#:1111Y1003P60DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.6PF 100V C0G/NP0 1111
  • In Stock:70613
$0.299/pcsRFQ
  • Part#:0805Y0250822KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0805
  • In Stock:428845
$0.051/pcsRFQ
  • Part#:0805Y0168P20CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 16V C0G/NP0 0805
  • In Stock:191971
$0.107/pcsRFQ
1210Y0630102MET Image
  • Part#:1210Y0630102MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 63V X7R 1210
  • In Stock:94915
$0.222/pcsRFQ
1808Y5000821KDR Image
  • Part#:1808Y5000821KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 500V X7R 1808
  • In Stock:90991
$0.218/pcsRFQ
0603Y0164P70DCT Image
  • Part#:0603Y0164P70DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 16V C0G/NP0 0603
  • In Stock:319285
$0.064/pcsRFQ
1812Y2500474JXT Image
  • Part#:1812Y2500474JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 250V X7R 1812
  • In Stock:48913
$0.709/pcsRFQ
1808Y5000122KFR Image
  • Part#:1808Y5000122KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 500V C0G/NP0 1808
  • In Stock:88358
$0.232/pcsRFQ
2225J0630683GFT Image
  • Part#:2225J0630683GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 63V C0G/NP0 2225
  • In Stock:10294
$3.801/pcsRFQ
1206J1000222GAR Image
  • Part#:1206J1000222GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 100V C0G/NP0 1206
  • In Stock:75967
$0.303/pcsRFQ
2220J0250104FCR Image
  • Part#:2220J0250104FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 25V C0G/NP0 2220
  • In Stock:7973
$3.805/pcsRFQ
1812J2000272FCT Image
  • Part#:1812J2000272FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 200V C0G/NP0 1812
  • In Stock:29006
$1.144/pcsRFQ
1808Y2500151JCR Image
  • Part#:1808Y2500151JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 250V C0G/NP0 1808
  • In Stock:183839
$0.123/pcsRFQ
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