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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

1812Y0500822JDR Image
  • Part#:1812Y0500822JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 50V X7R 1812
  • In Stock:68051
$0.508/pcsRFQ
0603Y2000270KAT Image
  • Part#:0603Y2000270KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 200V C0G/NP0 0603
  • In Stock:291569
$0.078/pcsRFQ
1111Y6303P30DQT Image
  • Part#:1111Y6303P30DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 630V C0G/NP0 1111
  • In Stock:77963
$0.296/pcsRFQ
1808Y0250102JDT Image
  • Part#:1808Y0250102JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 25V X7R 1808
  • In Stock:99358
$0.205/pcsRFQ
2220Y1K00122FFR Image
  • Part#:2220Y1K00122FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 1KV C0G/NP0 2220
  • In Stock:10835
$2.994/pcsRFQ
0603J200P470DFT Image
  • Part#:0603J200P470DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47PF 200V C0G/NP0 0603
  • In Stock:315630
$0.073/pcsRFQ
0603J2000100FAT Image
  • Part#:0603J2000100FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 200V C0G/NP0 0603
  • In Stock:78078
$0.274/pcsRFQ
1825Y0250391GCR Image
  • Part#:1825Y0250391GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 1825
  • In Stock:27271
$1.382/pcsRFQ
1812Y6K00390JCR Image
  • Part#:1812Y6K00390JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 6KV C0G/NP0 1812
  • In Stock:81501
$0.268/pcsRFQ
1206J5000181GAR Image
  • Part#:1206J5000181GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 500V C0G/NP0 1206
  • In Stock:113994
$0.211/pcsRFQ
1210J0250472MDT Image
  • Part#:1210J0250472MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 25V X7R 1210
  • In Stock:90615
$0.215/pcsRFQ
1808Y0160123FCR Image
  • Part#:1808Y0160123FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 16V C0G/NP0 1808
  • In Stock:55148
$0.564/pcsRFQ
  • Part#:2225J1K00331JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:39523
$0.768/pcsRFQ
1210Y2000820JAR Image
  • Part#:1210Y2000820JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 200V C0G/NP0 1210
  • In Stock:89416
$0.266/pcsRFQ
1812J1000333MDR Image
  • Part#:1812J1000333MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 100V X7R 1812
  • In Stock:60820
$0.355/pcsRFQ
0603Y100P820CFT Image
  • Part#:0603Y100P820CFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82PF 100V C0G/NP0 0603
  • In Stock:182804
$0.106/pcsRFQ
1812Y2000221KCR Image
  • Part#:1812Y2000221KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 200V C0G/NP0 1812
  • In Stock:77973
$0.298/pcsRFQ
1808Y1K50221GCR Image
  • Part#:1808Y1K50221GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1.5KV C0G/NP0 1808
  • In Stock:99973
$0.242/pcsRFQ
  • Part#:0505J1501P50DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 150V C0G/NP0 0505
  • In Stock:147392
$0.164/pcsRFQ
1812Y1K00181KFT Image
  • Part#:1812Y1K00181KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1KV C0G/NP0 1812
  • In Stock:90776
$0.417/pcsRFQ
1812J5000683KDR Image
  • Part#:1812J5000683KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 500V X7R 1812
  • In Stock:90251
$0.414/pcsRFQ
  • Part#:1206Y2500680JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 250V C0G/NP0 1206
  • In Stock:193151
$0.102/pcsRFQ
1210J1000271GCT Image
  • Part#:1210J1000271GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 100V C0G/NP0 1210
  • In Stock:78898
$0.286/pcsRFQ
0805J0630473KXR Image
  • Part#:0805J0630473KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 63V X7R 0805
  • In Stock:351779
$0.064/pcsRFQ
1808J5000682KXR Image
  • Part#:1808J5000682KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 500V X7R 1808
  • In Stock:163621
$0.118/pcsRFQ
2225J1K00563JXR Image
  • Part#:2225J1K00563JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 1KV X7R 2225
  • In Stock:28795
$1.086/pcsRFQ
1825Y4K00471FCT Image
  • Part#:1825Y4K00471FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 4KV C0G/NP0 1825
  • In Stock:16683
$2.173/pcsRFQ
2220Y0500223JDR Image
  • Part#:2220Y0500223JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 50V X7R 2220
  • In Stock:23940
$1.26/pcsRFQ
  • Part#:1206Y5000562JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 500V X7R 1206
  • In Stock:228772
$0.101/pcsRFQ
1812Y0250153KCT Image
  • Part#:1812Y0250153KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 25V C0G/NP0 1812
  • In Stock:101139
$0.384/pcsRFQ
1812J1K20272KXT Image
  • Part#:1812J1K20272KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 1.2KV X7R 1812
  • In Stock:82574
$0.289/pcsRFQ
0603Y1008P20CFT Image
  • Part#:0603Y1008P20CFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 100V C0G/NP0 0603
  • In Stock:215182
$0.107/pcsRFQ
0805J2000393JXR Image
  • Part#:0805J2000393JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 200V X7R 0805
  • In Stock:201713
$0.096/pcsRFQ
2225Y0160471JFR Image
  • Part#:2225Y0160471JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 16V C0G/NP0 2225
  • In Stock:20009
$1.512/pcsRFQ
2220Y3K00222MXT Image
  • Part#:2220Y3K00222MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 3KV X7R 2220
  • In Stock:61053
$0.516/pcsRFQ
2220J2500122JFT Image
  • Part#:2220J2500122JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 250V C0G/NP0 2220
  • In Stock:36275
$1.076/pcsRFQ
1808J1K20391KCT Image
  • Part#:1808J1K20391KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1.2KV C0G/NP0 1808
  • In Stock:106515
$0.191/pcsRFQ
0603Y050P470DCT Image
  • Part#:0603Y050P470DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47PF 50V C0G/NP0 0603
  • In Stock:398074
$0.052/pcsRFQ
1808Y0160222KCR Image
  • Part#:1808Y0160222KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 16V C0G/NP0 1808
  • In Stock:211902
$0.113/pcsRFQ
1812J0630123GFR Image
  • Part#:1812J0630123GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 63V C0G/NP0 1812
  • In Stock:37944
$0.903/pcsRFQ
1206J1000390KCT Image
  • Part#:1206J1000390KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 100V C0G/NP0 1206
  • In Stock:286279
$0.08/pcsRFQ
2220J1K20271KCR Image
  • Part#:2220J1K20271KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1.2KV C0G/NP0 2220
  • In Stock:63884
$0.48/pcsRFQ
2225J0250123FFT Image
  • Part#:2225J0250123FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 25V C0G/NP0 2225
  • In Stock:7772
$4.908/pcsRFQ
1206Y0250391KXT Image
  • Part#:1206Y0250391KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V X7R 1206
  • In Stock:230206
$0.082/pcsRFQ
1812Y2000332FCT Image
  • Part#:1812Y2000332FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 200V C0G/NP0 1812
  • In Stock:24645
$1.314/pcsRFQ
1206Y6300470JCR Image
  • Part#:1206Y6300470JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 630V C0G/NP0 1206
  • In Stock:232508
$0.086/pcsRFQ
1206Y0100123MXR Image
  • Part#:1206Y0100123MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 10V X7R 1206
  • In Stock:285527
$0.076/pcsRFQ
1111J5000150JUT Image
  • Part#:1111J5000150JUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 500V C0G/NP0 1111
  • In Stock:4912
 RFQ
1812Y0250820GCT Image
  • Part#:1812Y0250820GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 25V C0G/NP0 1812
  • In Stock:53206
$0.602/pcsRFQ
1812Y0160824KXT Image
  • Part#:1812Y0160824KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 16V X7R 1812
  • In Stock:80348
$0.416/pcsRFQ
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