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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

0805Y0250821MXR Image
  • Part#:0805Y0250821MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 25V X7R 0805
  • In Stock:456250
$0.048/pcsRFQ
0603Y2501P10CUT Image
  • Part#:0603Y2501P10CUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.1PF 250V C0G/NP0 0603
  • In Stock:182434
$0.113/pcsRFQ
1812Y1K20152JCR Image
  • Part#:1812Y1K20152JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 1.2KV C0G 1812
  • In Stock:87805
$0.381/pcsRFQ
1825Y0100222GCT Image
  • Part#:1825Y0100222GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 10V C0G/NP0 1825
  • In Stock:21285
$1.515/pcsRFQ
1812J1000151KAR Image
  • Part#:1812J1000151KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 100V C0G/NP0 1812
  • In Stock:54178
$0.357/pcsRFQ
1210Y0630222FCT Image
  • Part#:1210Y0630222FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 63V C0G/NP0 1210
  • In Stock:56907
$0.618/pcsRFQ
1825Y1K50471MXR Image
  • Part#:1825Y1K50471MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.5KV X7R 1825
  • In Stock:67618
$0.507/pcsRFQ
1812Y2500390FCT Image
  • Part#:1812Y2500390FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 250V C0G/NP0 1812
  • In Stock:40260
$0.981/pcsRFQ
1808Y1000180KCT Image
  • Part#:1808Y1000180KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 100V C0G/NP0 1808
  • In Stock:159689
$0.149/pcsRFQ
0805J0250332JCR Image
  • Part#:0805J0250332JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 25V C0G/NP0 0805
  • In Stock:219697
$0.087/pcsRFQ
0805J0250181JFT Image
  • Part#:0805J0250181JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 25V C0G/NP0 0805
  • In Stock:226548
$0.085/pcsRFQ
  • Part#:0805Y1002P20BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 0805
  • In Stock:164344
$0.143/pcsRFQ
1812J6300151FCT Image
  • Part#:1812J6300151FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 630V C0G/NP0 1812
  • In Stock:59701
$0.657/pcsRFQ
0505J2001P60HQT Image
  • Part#:0505J2001P60HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.6PF 200V C0G/NP0 0505
  • In Stock:56369
$0.339/pcsRFQ
2220Y5K00272KXR Image
  • Part#:2220Y5K00272KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 5KV X7R 2220
  • In Stock:69283
$0.433/pcsRFQ
1808Y0500121FFR Image
  • Part#:1808Y0500121FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 50V C0G/NP0 1808
  • In Stock:66490
$0.539/pcsRFQ
1825J1000103FCR Image
  • Part#:1825J1000103FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 100V C0G 1825
  • In Stock:12645
$2.895/pcsRFQ
2225J5000471KCT Image
  • Part#:2225J5000471KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 500V C0G/NP0 2225
  • In Stock:54278
$0.675/pcsRFQ
1812J2K00151GCT Image
  • Part#:1812J2K00151GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 2KV C0G/NP0 1812
  • In Stock:92841
$0.385/pcsRFQ
2220Y0160561KFT Image
  • Part#:2220Y0160561KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 16V C0G/NP0 2220
  • In Stock:30403
$1.128/pcsRFQ
1206J0250391FCT Image
  • Part#:1206J0250391FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 1206
  • In Stock:77521
$0.299/pcsRFQ
1206Y2K01P50DQT Image
  • Part#:1206Y2K01P50DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 2000V C0G/NP0 1206
  • In Stock:106160
$0.192/pcsRFQ
2225J0250185MDT Image
  • Part#:2225J0250185MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8UF 25V X7R 2225
  • In Stock:25480
$1.325/pcsRFQ
1808J0500150FCR Image
  • Part#:1808J0500150FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 50V C0G/NP0 1808
  • In Stock:78221
$0.406/pcsRFQ
  • Part#:0603J0100152JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 10V X7R 0603
  • In Stock:432445
$0.045/pcsRFQ
1210Y0500330JCR Image
  • Part#:1210Y0500330JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 50V C0G/NP0 1210
  • In Stock:128980
$0.162/pcsRFQ
1206Y1000472MDR Image
  • Part#:1206Y1000472MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V X7R 1206
  • In Stock:220236
$0.104/pcsRFQ
1206Y2K01P50DCR Image
  • Part#:1206Y2K01P50DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 2KV C0G/NP0 1206
  • In Stock:220446
$0.088/pcsRFQ
1825Y0100102FCT Image
  • Part#:1825Y0100102FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 10V C0G/NP0 1825
  • In Stock:10138
$2.986/pcsRFQ
1825J5K00271KCR Image
  • Part#:1825J5K00271KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 5KV C0G/NP0 1825
  • In Stock:98184
$0.372/pcsRFQ
1812JA250470JCTPY2 Image
  • Part#:1812JA250470JCTPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 250V C0G/NP0 1812
  • In Stock:101110
$0.36/pcsRFQ
1210J0630121KFT Image
  • Part#:1210J0630121KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 1210
  • In Stock:96457
$0.244/pcsRFQ
1206Y0500560JFR Image
  • Part#:1206Y0500560JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 50V C0G/NP0 1206
  • In Stock:163002
$0.117/pcsRFQ
1210Y0160223JFR Image
  • Part#:1210Y0160223JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 16V C0G/NP0 1210
  • In Stock:100609
$0.381/pcsRFQ
2225J3K00151KCT Image
  • Part#:2225J3K00151KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 3KV C0G/NP0 2225
  • In Stock:51177
$0.649/pcsRFQ
2220Y1000273JXT Image
  • Part#:2220Y1000273JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 100V X7R 2220
  • In Stock:42541
$0.871/pcsRFQ
0603Y0250222MXR Image
  • Part#:0603Y0250222MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 25V X7R 0603
  • In Stock:585964
$0.041/pcsRFQ
1210J5000561FAR Image
  • Part#:1210J5000561FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 500V C0G/NP0 1210
  • In Stock:55166
$0.636/pcsRFQ
1825Y1K00822JXR Image
  • Part#:1825Y1K00822JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 1KV X7R 1825
  • In Stock:52352
$0.717/pcsRFQ
0603Y0630221JER Image
  • Part#:0603Y0630221JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 63V X7R 0603
  • In Stock:302814
$0.077/pcsRFQ
1206J0500820GFT Image
  • Part#:1206J0500820GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 50V C0G/NP0 1206
  • In Stock:129304
$0.166/pcsRFQ
2220Y2K00271FCT Image
  • Part#:2220Y2K00271FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 2KV C0G/NP0 2220
  • In Stock:17846
$1.987/pcsRFQ
1808J0500151KXT Image
  • Part#:1808J0500151KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 50V X7R 1808
  • In Stock:195122
$0.119/pcsRFQ
1210Y6300681FCT Image
  • Part#:1210Y6300681FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 630V C0G/NP0 1210
  • In Stock:62236
$0.488/pcsRFQ
1206Y0500471KCT Image
  • Part#:1206Y0500471KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 50V C0G/NP0 1206
  • In Stock:237656
$0.094/pcsRFQ
1210J5000220GCR Image
  • Part#:1210J5000220GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 500V C0G/NP0 1210
  • In Stock:120610
$0.2/pcsRFQ
2220Y1000683MDR Image
  • Part#:2220Y1000683MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 100V X7R 2220
  • In Stock:34762
$0.963/pcsRFQ
1812Y1K50681KXT Image
  • Part#:1812Y1K50681KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1.5KV X7R 1812
  • In Stock:63890
$0.306/pcsRFQ
1825J0500273JCT Image
  • Part#:1825J0500273JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 50V C0G/NP0 1825
  • In Stock:34519
$0.901/pcsRFQ
1210Y0630181FCT Image
  • Part#:1210Y0630181FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 63V C0G/NP0 1210
  • In Stock:63160
$0.583/pcsRFQ
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