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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

1206Y1000331JXR Image
  • Part#:1206Y1000331JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 100V X7R 1206
  • In Stock:232445
$0.089/pcsRFQ
0603Y0630561KET Image
  • Part#:0603Y0630561KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 63V X7R 0603
  • In Stock:326565
$0.063/pcsRFQ
1808J0250181JCR Image
  • Part#:1808J0250181JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 25V C0G/NP0 1808
  • In Stock:190297
$0.112/pcsRFQ
2225J1000182KCR Image
  • Part#:2225J1000182KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 100V C0G/NP0 2225
  • In Stock:46518
$0.828/pcsRFQ
1812J1K00150FAT Image
  • Part#:1812J1K00150FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 1KV C0G/NP0 1812
  • In Stock:31119
$1.128/pcsRFQ
1206J2500392KDR Image
  • Part#:1206J2500392KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 250V X7R 1206
  • In Stock:217522
$0.107/pcsRFQ
0805J2000392MDT Image
  • Part#:0805J2000392MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 200V X7R 0805
  • In Stock:218831
$0.09/pcsRFQ
1206Y0250391FFT Image
  • Part#:1206Y0250391FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 1206
  • In Stock:71570
$0.456/pcsRFQ
1210J2500472FCR Image
  • Part#:1210J2500472FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 250V C0G/NP0 1210
  • In Stock:41733
$0.835/pcsRFQ
1111Y3001P50CQT Image
  • Part#:1111Y3001P50CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 300V C0G/NP0 1111
  • In Stock:66597
$0.286/pcsRFQ
1812J1K00152MDT Image
  • Part#:1812J1K00152MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 1KV X7R 1812
  • In Stock:98202
$0.373/pcsRFQ
1206J2000151JDR Image
  • Part#:1206J2000151JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 200V X7R 1206
  • In Stock:163589
$0.136/pcsRFQ
0805Y0500681KXT Image
  • Part#:0805Y0500681KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 50V X7R 0805
  • In Stock:380871
$0.055/pcsRFQ
1808Y2K00221MXT Image
  • Part#:1808Y2K00221MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 2KV X7R 1808
  • In Stock:119264
$0.168/pcsRFQ
0805J0630680FFR Image
  • Part#:0805J0630680FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 63V C0G/NP0 0805
  • In Stock:77045
$0.259/pcsRFQ
1206J5000331JAR Image
  • Part#:1206J5000331JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V C0G/NP0 1206
  • In Stock:165975
$0.132/pcsRFQ
2225Y0250682KCT Image
  • Part#:2225Y0250682KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 25V C0G/NP0 2225
  • In Stock:41006
$0.951/pcsRFQ
2220Y5000180FCT Image
  • Part#:2220Y5000180FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 500V C0G/NP0 2220
  • In Stock:16385
$2.248/pcsRFQ
1206Y5000471KER Image
  • Part#:1206Y5000471KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 500V X7R 1206
  • In Stock:187076
$0.101/pcsRFQ
2225Y6K00101JCT Image
  • Part#:2225Y6K00101JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 6KV C0G/NP0 2225
  • In Stock:53371
$0.574/pcsRFQ
1812Y1K00821MET Image
  • Part#:1812Y1K00821MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1KV X7R 1812
  • In Stock:91867
$0.412/pcsRFQ
1825J0630472KCR Image
  • Part#:1825J0630472KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 63V C0G/NP0 1825
  • In Stock:47774
$0.694/pcsRFQ
2225J5000471JFT Image
  • Part#:2225J5000471JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 500V C0G/NP0 2225
  • In Stock:30459
$1.027/pcsRFQ
1812J0250332FFT Image
  • Part#:1812J0250332FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 25V C0G/NP0 1812
  • In Stock:22463
$1.393/pcsRFQ
1812Y0500331JCT Image
  • Part#:1812Y0500331JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 50V C0G/NP0 1812
  • In Stock:69051
$0.309/pcsRFQ
1825J1K50471JXT Image
  • Part#:1825J1K50471JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.5KV X7R 1825
  • In Stock:51252
$0.627/pcsRFQ
1812J0100222KCT Image
  • Part#:1812J0100222KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 10V C0G/NP0 1812
  • In Stock:71938
$0.263/pcsRFQ
1825Y0500472FCR Image
  • Part#:1825Y0500472FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 50V C0G/NP0 1825
  • In Stock:10937
$2.88/pcsRFQ
1812Y2000184MDR Image
  • Part#:1812Y2000184MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 200V X7R 1812
  • In Stock:68902
$0.564/pcsRFQ
1812Y5000333MXT Image
  • Part#:1812Y5000333MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 500V X7R 1812
  • In Stock:69118
$0.292/pcsRFQ
1111J1K00221JQT Image
  • Part#:1111J1K00221JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1KV C0G/NP0 1111
  • In Stock:73562
$0.447/pcsRFQ
1812J6300332GAT Image
  • Part#:1812J6300332GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 630V C0G/NP0 1812
  • In Stock:42982
$0.829/pcsRFQ
0805Y2500273KDT Image
  • Part#:0805Y2500273KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 250V X7R 0805
  • In Stock:185879
$0.119/pcsRFQ
1825Y0250560GCR Image
  • Part#:1825Y0250560GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 25V C0G/NP0 1825
  • In Stock:24519
$1.558/pcsRFQ
0805Y2501P20BFT Image
  • Part#:0805Y2501P20BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 250V C0G/NP0 0805
  • In Stock:67303
$0.284/pcsRFQ
1825J0630680JCT Image
  • Part#:1825J0630680JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 63V C0G/NP0 1825
  • In Stock:44741
$0.792/pcsRFQ
1206J0100273JCT Image
  • Part#:1206J0100273JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 10V C0G/NP0 1206
  • In Stock:113064
$0.181/pcsRFQ
1808Y1000101KFT Image
  • Part#:1808Y1000101KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 100V C0G/NP0 1808
  • In Stock:125935
$0.184/pcsRFQ
1808Y2K04P70BCT Image
  • Part#:1808Y2K04P70BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 2KV C0G/NP0 1808
  • In Stock:61879
$0.36/pcsRFQ
2220Y0630220KFT Image
  • Part#:2220Y0630220KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 63V C0G/NP0 2220
  • In Stock:25735
$1.163/pcsRFQ
0603J1000271KDT Image
  • Part#:0603J1000271KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 100V X7R 0603
  • In Stock:396768
$0.06/pcsRFQ
1210Y0250272MXT Image
  • Part#:1210Y0250272MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 25V X7R 1210
  • In Stock:141448
$0.144/pcsRFQ
1210J1000123KAT Image
  • Part#:1210J1000123KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER .012UF 100V C0G/NP0 1210
  • In Stock:98811
$0.395/pcsRFQ
0603Y0632P20BAT Image
  • Part#:0603Y0632P20BAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 63V C0G/NP0 0603
  • In Stock:92769
$0.23/pcsRFQ
1210J1000472KCR Image
  • Part#:1210J1000472KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V C0G/NP0 1210
  • In Stock:111026
$0.176/pcsRFQ
1206J0500331JFR Image
  • Part#:1206J0500331JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 50V C0G/NP0 1206
  • In Stock:231054
$0.1/pcsRFQ
1812J1K00331FFT Image
  • Part#:1812J1K00331FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1KV C0G/NP0 1812
  • In Stock:30147
$1.181/pcsRFQ
1206Y0160392GCR Image
  • Part#:1206Y0160392GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 16V C0G/NP0 1206
  • In Stock:104963
$0.207/pcsRFQ
1812Y0250333KDR Image
  • Part#:1812Y0250333KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 25V X7R 1812
  • In Stock:92509
$0.399/pcsRFQ
1812J0500471KCR Image
  • Part#:1812J0500471KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 50V C0G/NP0 1812
  • In Stock:81579
$0.243/pcsRFQ
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