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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

0805Y3001P30HQT Image
  • Part#:0805Y3001P30HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.3PF 300V C0G/NP0 0805
  • In Stock:76318
$0.27/pcsRFQ
1206J0250121KCT Image
  • Part#:1206J0250121KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 25V C0G/NP0 1206
  • In Stock:261902
$0.081/pcsRFQ
1812J2500333KDT Image
  • Part#:1812J2500333KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 250V X7R 1812
  • In Stock:86781
$0.377/pcsRFQ
2220Y2K00390FCR Image
  • Part#:2220Y2K00390FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 2KV C0G/NP0 2220
  • In Stock:15687
$1.931/pcsRFQ
2225Y2500123GFR Image
  • Part#:2225Y2500123GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 250V C0G 2225
  • In Stock:9615
$3.169/pcsRFQ
0805J1500201GQT Image
  • Part#:0805J1500201GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 200PF 150V C0G/NP0 0805
  • In Stock:71036
$0.456/pcsRFQ
2220Y6300121JCR Image
  • Part#:2220Y6300121JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 630V C0G/NP0 2220
  • In Stock:55149
$0.573/pcsRFQ
2220Y0630220JCR Image
  • Part#:2220Y0630220JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 63V C0G/NP0 2220
  • In Stock:39645
$0.789/pcsRFQ
1808J6304P70BCT Image
  • Part#:1808J6304P70BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 630V C0G/NP0 1808
  • In Stock:66089
$0.338/pcsRFQ
1206Y0100105KXR Image
  • Part#:1206Y0100105KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1UF 10V X7R 1206
  • In Stock:111309
$0.179/pcsRFQ
2220Y2K50102JCR Image
  • Part#:2220Y2K50102JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 2.5KV C0G 2220
  • In Stock:46532
$0.78/pcsRFQ
1210J0250390JCT Image
  • Part#:1210J0250390JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 25V C0G/NP0 1210
  • In Stock:120015
$0.171/pcsRFQ
0805Y2502P70BCT Image
  • Part#:0805Y2502P70BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 250V C0G/NP0 0805
  • In Stock:116030
$0.185/pcsRFQ
1825J1K00121JCT Image
  • Part#:1825J1K00121JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1KV C0G/NP0 1825
  • In Stock:66487
$0.544/pcsRFQ
1206Y3003P60CQT Image
  • Part#:1206Y3003P60CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.6PF 300V C0G/NP0 1206
  • In Stock:111379
$0.212/pcsRFQ
1210Y2500272MXR Image
  • Part#:1210Y2500272MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 250V X7R 1210
  • In Stock:138146
$0.144/pcsRFQ
1206J1500301FQT Image
  • Part#:1206J1500301FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 300PF 150V C0G/NP0 1206
  • In Stock:31918
$1.014/pcsRFQ
1206J1K28P20CCR Image
  • Part#:1206J1K28P20CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 1.2KV C0G/NP0 1206
  • In Stock:162388
$0.139/pcsRFQ
1808Y0250473GCR Image
  • Part#:1808Y0250473GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 25V C0G/NP0 1808
  • In Stock:69302
$0.514/pcsRFQ
2225J1000220FCT Image
  • Part#:2225J1000220FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 100V C0G/NP0 2225
  • In Stock:12050
$2.726/pcsRFQ
1210J1K00560KFR Image
  • Part#:1210J1K00560KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 1KV C0G/NP0 1210
  • In Stock:117678
$0.168/pcsRFQ
1812Y0100331FCT Image
  • Part#:1812Y0100331FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 10V C0G/NP0 1812
  • In Stock:36284
$1.004/pcsRFQ
1812Y0160184KXT Image
  • Part#:1812Y0160184KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 16V X7R 1812
  • In Stock:62055
$0.336/pcsRFQ
1206J1000222KCR Image
  • Part#:1206J1000222KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 100V C0G/NP0 1206
  • In Stock:175099
$0.112/pcsRFQ
1825Y1K00152FCT Image
  • Part#:1825Y1K00152FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 1KV C0G/NP0 1825
  • In Stock:16133
$2.307/pcsRFQ
1812Y1K00822MET Image
  • Part#:1812Y1K00822MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 1KV X7R 1812
  • In Stock:83145
$0.404/pcsRFQ
0805J0500391KDR Image
  • Part#:0805J0500391KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 50V X7R 0805
  • In Stock:293586
$0.07/pcsRFQ
0805Y0250821FCT Image
  • Part#:0805Y0250821FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 25V C0G/NP0 0805
  • In Stock:89238
$0.222/pcsRFQ
2225Y0630180FCT Image
  • Part#:2225Y0630180FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 63V C0G/NP0 2225
  • In Stock:9445
$3.145/pcsRFQ
1206J2500221KXT Image
  • Part#:1206J2500221KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:318655
$0.066/pcsRFQ
  • Part#:1808Y5004P70CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:142740
$0.144/pcsRFQ
  • Part#:1808Y5K00181MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:156614
$0.143/pcsRFQ
1210Y6300560KCT Image
  • Part#:1210Y6300560KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 630V C0G/NP0 1210
  • In Stock:193195
$0.117/pcsRFQ
1206J1K00332JXR Image
  • Part#:1206J1K00332JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 1KV X7R 1206
  • In Stock:214891
$0.112/pcsRFQ
1206Y2500820GCT Image
  • Part#:1206Y2500820GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 250V C0G/NP0 1206
  • In Stock:153831
$0.157/pcsRFQ
2225Y1000272JFR Image
  • Part#:2225Y1000272JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 100V C0G/NP0 2225
  • In Stock:24804
$1.437/pcsRFQ
1206Y0630152JQT Image
  • Part#:1206Y0630152JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 63V C0G/NP0 1206
  • In Stock:72075
$0.322/pcsRFQ
1812Y2000561JFR Image
  • Part#:1812Y2000561JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 200V C0G/NP0 1812
  • In Stock:74609
$0.479/pcsRFQ
0603J0160180FFR Image
  • Part#:0603J0160180FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 16V C0G/NP0 0603
  • In Stock:69578
$0.338/pcsRFQ
1210Y0508P20DFR Image
  • Part#:1210Y0508P20DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 50V C0G/NP0 1210
  • In Stock:88542
$0.247/pcsRFQ
0805J1007P50BQT Image
  • Part#:0805J1007P50BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 7.5PF 100V C0G/NP0 0805
  • In Stock:56349
$0.355/pcsRFQ
1206J5000122MXT Image
  • Part#:1206J5000122MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 500V X7R 1206
  • In Stock:365911
$0.065/pcsRFQ
1210Y1000184MXT Image
  • Part#:1210Y1000184MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 100V X7R 1210
  • In Stock:96380
$0.209/pcsRFQ
2220Y0160333MDR Image
  • Part#:2220Y0160333MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 16V X7R 2220
  • In Stock:40045
$0.968/pcsRFQ
1210J0160392MDR Image
  • Part#:1210J0160392MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 16V X7R 1210
  • In Stock:100309
$0.204/pcsRFQ
1206Y2000103JER Image
  • Part#:1206Y2000103JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 200V X7R 1206
  • In Stock:151406
$0.153/pcsRFQ
2225J0250390KCR Image
  • Part#:2225J0250390KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 25V C0G/NP0 2225
  • In Stock:33775
$0.897/pcsRFQ
1206Y0250102KCR Image
  • Part#:1206Y0250102KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 25V C0G/NP0 1206
  • In Stock:214164
$0.089/pcsRFQ
1825Y0160335KXR Image
  • Part#:1825Y0160335KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3UF 16V X7R 1825
  • In Stock:33395
$1.108/pcsRFQ
1812J2000391KCT Image
  • Part#:1812J2000391KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 200V C0G/NP0 1812
  • In Stock:69020
$0.297/pcsRFQ
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