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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

1808J0250391GFT Image
  • Part#:1808J0250391GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 1808
  • In Stock:70063
$0.298/pcsRFQ
1825J1K50561FCR Image
  • Part#:1825J1K50561FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1.5KV C0G/NP0 1825
  • In Stock:16369
$2.005/pcsRFQ
0805Y0500560FCR Image
  • Part#:0805Y0500560FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 50V C0G/NP0 0805
  • In Stock:116449
$0.181/pcsRFQ
1808Y2K50270KCT Image
  • Part#:1808Y2K50270KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 2.5KV C0G/NP0 1808
  • In Stock:158631
$0.143/pcsRFQ
2220J5000222MXR Image
  • Part#:2220J5000222MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 500V X7R 2220
  • In Stock:93693
$0.379/pcsRFQ
1812Y2000563MXT Image
  • Part#:1812Y2000563MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 200V X7R 1812
  • In Stock:63164
$0.31/pcsRFQ
2220J1K00682JDR Image
  • Part#:2220J1K00682JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 1KV X7R 2220
  • In Stock:37910
$0.831/pcsRFQ
1825J1K20150GCT Image
  • Part#:1825J1K20150GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 1.2KV C0G/NP0 1825
  • In Stock:34825
$0.934/pcsRFQ
0603J0250181GFR Image
  • Part#:0603J0250181GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 25V C0G/NP0 0603
  • In Stock:148994
$0.155/pcsRFQ
1210Y0250474KXT Image
  • Part#:1210Y0250474KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 25V X7R 1210
  • In Stock:99175
$0.222/pcsRFQ
2220Y2500391FCR Image
  • Part#:2220Y2500391FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V C0G/NP0 2220
  • In Stock:13434
$2.641/pcsRFQ
1206Y2500561JCT Image
  • Part#:1206Y2500561JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 250V C0G/NP0 1206
  • In Stock:199403
$0.109/pcsRFQ
1206Y0500332KXT Image
  • Part#:1206Y0500332KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 50V X7R 1206
  • In Stock:275748
$0.082/pcsRFQ
2211YA250181KXRSP Image
  • Part#:2211YA250181KXRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V X7R 2211
  • In Stock:95371
$0.377/pcsRFQ
2220J2K50392KXR Image
  • Part#:2220J2K50392KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 2.5KV X7R 2220
  • In Stock:57029
$0.577/pcsRFQ
1812J2K50471JXT Image
  • Part#:1812J2K50471JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 2.5KV X7R 1812
  • In Stock:65987
$0.296/pcsRFQ
1808J0160562JDR Image
  • Part#:1808J0160562JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 16V X7R 1808
  • In Stock:108852
$0.186/pcsRFQ
0603Y5001P80BCT Image
  • Part#:0603Y5001P80BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 500V C0G/NP0 0603
  • In Stock:143580
$0.152/pcsRFQ
1812J0160472KCR Image
  • Part#:1812J0160472KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 16V C0G/NP0 1812
  • In Stock:78074
$0.255/pcsRFQ
2220J6K00390GCR Image
  • Part#:2220J6K00390GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 6KV C0G/NP0 2220
  • In Stock:57864
$0.52/pcsRFQ
1111J1K00430FQT Image
  • Part#:1111J1K00430FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 43PF 1KV C0G/NP0 1111
  • In Stock:28015
$1.314/pcsRFQ
1812Y1000105KDR Image
  • Part#:1812Y1000105KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1UF 100V X7R 1812
  • In Stock:39468
$0.974/pcsRFQ
1210Y1000472JCT Image
  • Part#:1210Y1000472JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V C0G/NP0 1210
  • In Stock:104392
$0.209/pcsRFQ
1808J0630150KDT Image
  • Part#:1808J0630150KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 63V X7R 1808
  • In Stock:101917
$0.204/pcsRFQ
1206Y0500152JCR Image
  • Part#:1206Y0500152JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 50V C0G/NP0 1206
  • In Stock:196002
$0.098/pcsRFQ
2220J5000682MDR Image
  • Part#:2220J5000682MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 500V X7R 2220
  • In Stock:53450
$0.576/pcsRFQ
1206Y1K20151MXT Image
  • Part#:1206Y1K20151MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1.2KV X7R 1206
  • In Stock:202867
$0.095/pcsRFQ
1206J1500510KQT Image
  • Part#:1206J1500510KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 51PF 150V C0G/NP0 1206
  • In Stock:119616
$0.187/pcsRFQ
1206J0500102JQT Image
  • Part#:1206J0500102JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 50V C0G/NP0 1206
  • In Stock:55086
$0.342/pcsRFQ
2220Y1K00392MXR Image
  • Part#:2220Y1K00392MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1KV X7R 2220
  • In Stock:78593
$0.475/pcsRFQ
0603J2000270FCT Image
  • Part#:0603J2000270FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 200V C0G/NP0 0603
  • In Stock:109350
$0.183/pcsRFQ
2220J3K00102GCT Image
  • Part#:2220J3K00102GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 3KV C0G/NP0 2220
  • In Stock:28601
$1.206/pcsRFQ
1812J2500101KFR Image
  • Part#:1812J2500101KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V C0G/NP0 1812
  • In Stock:102768
$0.385/pcsRFQ
1812J0250271JCT Image
  • Part#:1812J0250271JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 25V C0G/NP0 1812
  • In Stock:68822
$0.282/pcsRFQ
1111Y2501P10CQT Image
  • Part#:1111Y2501P10CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.1PF 250V C0G/NP0 1111
  • In Stock:77945
$0.277/pcsRFQ
1808JA250151GCTSY2 Image
  • Part#:1808JA250151GCTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 250V C0G/NP0 1808
  • In Stock:74272
$0.529/pcsRFQ
1808JA250122JXRSP Image
  • Part#:1808JA250122JXRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 250V X7R 1808
  • In Stock:59182
$0.357/pcsRFQ
1812J2500682KFT Image
  • Part#:1812J2500682KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 250V C0G/NP0 1812
  • In Stock:72844
$0.512/pcsRFQ
1206J0250682KFT Image
  • Part#:1206J0250682KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 25V C0G/NP0 1206
  • In Stock:150231
$0.151/pcsRFQ
1210Y2000100JFR Image
  • Part#:1210Y2000100JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 200V C0G/NP0 1210
  • In Stock:82971
$0.257/pcsRFQ
1808J5000124JXT Image
  • Part#:1808J5000124JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 500V X7R 1808
  • In Stock:77743
$0.31/pcsRFQ
1206Y0630271JQT Image
  • Part#:1206Y0630271JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 63V C0G/NP0 1206
  • In Stock:78441
$0.286/pcsRFQ
0505Y2500510KQT Image
  • Part#:0505Y2500510KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 51PF 250V C0G/NP0 0505
  • In Stock:142356
$0.169/pcsRFQ
1206Y1K00470JFT Image
  • Part#:1206Y1K00470JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 1KV C0G/NP0 1206
  • In Stock:144410
$0.152/pcsRFQ
1206Y3000510FQT Image
  • Part#:1206Y3000510FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 51PF 300V C0G/NP0 1206
  • In Stock:43571
$0.87/pcsRFQ
1808J0250332KCT Image
  • Part#:1808J0250332KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 25V C0G/NP0 1808
  • In Stock:158427
$0.124/pcsRFQ
2225J1K00330KFT Image
  • Part#:2225J1K00330KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 1KV C0G/NP0 2225
  • In Stock:37017
$0.934/pcsRFQ
1808J0500561MDR Image
  • Part#:1808J0500561MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 50V X7R 1808
  • In Stock:112167
$0.186/pcsRFQ
1206Y0160153MXT Image
  • Part#:1206Y0160153MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 16V X7R 1206
  • In Stock:270925
$0.081/pcsRFQ
1206J1500201FQT Image
  • Part#:1206J1500201FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 200PF 150V C0G/NP0 1206
  • In Stock:38563
$0.822/pcsRFQ
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