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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

0805J5000330JDR Image
  • Part#:0805J5000330JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 500V X7R 0805
  • In Stock:238161
$0.089/pcsRFQ
1808J0160101MXT Image
  • Part#:1808J0160101MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 16V X7R 1808
  • In Stock:170165
$0.122/pcsRFQ
1206J1001P20CFR Image
  • Part#:1206J1001P20CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 100V C0G/NP0 1206
  • In Stock:114081
$0.164/pcsRFQ
2225Y2000331FCR Image
  • Part#:2225Y2000331FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 200V C0G/NP0 2225
  • In Stock:11832
$3.281/pcsRFQ
1812Y0500103JFT Image
  • Part#:1812Y0500103JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 50V C0G/NP0 1812
  • In Stock:54964
$0.555/pcsRFQ
1825J0100823KCR Image
  • Part#:1825J0100823KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 10V C0G/NP0 1825
  • In Stock:31271
$1.124/pcsRFQ
0805Y0160470GCR Image
  • Part#:0805Y0160470GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 16V C0G/NP0 0805
  • In Stock:207729
$0.092/pcsRFQ
1808Y0160180FFT Image
  • Part#:1808Y0160180FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 16V C0G/NP0 1808
  • In Stock:51211
$0.634/pcsRFQ
1210Y0630392FFR Image
  • Part#:1210Y0630392FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 63V C0G/NP0 1210
  • In Stock:40731
$0.943/pcsRFQ
2225Y1000330KFT Image
  • Part#:2225Y1000330KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 100V C0G/NP0 2225
  • In Stock:28920
$1.303/pcsRFQ
2225J5000394JDT Image
  • Part#:2225J5000394JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 500V X7R 2225
  • In Stock:21335
$1.62/pcsRFQ
1210J0160120KCR Image
  • Part#:1210J0160120KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 16V C0G/NP0 1210
  • In Stock:138887
$0.15/pcsRFQ
1808Y0500271KDR Image
  • Part#:1808Y0500271KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 50V X7R 1808
  • In Stock:121822
$0.192/pcsRFQ
2220J0250561GFT Image
  • Part#:2220J0250561GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 25V C0G/NP0 2220
  • In Stock:17643
$1.802/pcsRFQ
1808Y5000390FCT Image
  • Part#:1808Y5000390FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 500V C0G/NP0 1808
  • In Stock:67713
$0.487/pcsRFQ
0505Y1500110KQT Image
  • Part#:0505Y1500110KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 11PF 150V C0G/NP0 0505
  • In Stock:129996
$0.156/pcsRFQ
0805Y1000270GAR Image
  • Part#:0805Y1000270GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 100V C0G/NP0 0805
  • In Stock:175724
$0.135/pcsRFQ
0603Y2000222KDT Image
  • Part#:0603Y2000222KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 200V X7R 0603
  • In Stock:309445
$0.068/pcsRFQ
2220J4K00471JXT Image
  • Part#:2220J4K00471JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 4KV X7R 2220
  • In Stock:72460
$0.309/pcsRFQ
1206Y0250470FFR Image
  • Part#:1206Y0250470FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 25V C0G/NP0 1206
  • In Stock:75076
$0.403/pcsRFQ
1825Y0100270GCT Image
  • Part#:1825Y0100270GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 10V C0G/NP0 1825
  • In Stock:21353
$1.607/pcsRFQ
1808J5000222FFT Image
  • Part#:1808J5000222FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 500V C0G/NP0 1808
  • In Stock:39974
$0.899/pcsRFQ
0805Y0630471FCT Image
  • Part#:0805Y0630471FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 63V C0G/NP0 0805
  • In Stock:104823
$0.202/pcsRFQ
1206J6300181FAT Image
  • Part#:1206J6300181FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 630V C0G/NP0 1206
  • In Stock:77866
$0.416/pcsRFQ
1812Y2000682KDT Image
  • Part#:1812Y2000682KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 200V X7R 1812
  • In Stock:68967
$0.446/pcsRFQ
1812Y1K50562KXT Image
  • Part#:1812Y1K50562KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 1.5KV X7R 1812
  • In Stock:71738
$0.308/pcsRFQ
1808J0630273MDR Image
  • Part#:1808J0630273MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 63V X7R 1808
  • In Stock:122099
$0.183/pcsRFQ
1808J4K00100KCT Image
  • Part#:1808J4K00100KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 4KV C0G/NP0 1808
  • In Stock:92665
$0.231/pcsRFQ
0805J2500682KDR Image
  • Part#:0805J2500682KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 250V X7R 0805
  • In Stock:267469
$0.089/pcsRFQ
0805J0500181JDT Image
  • Part#:0805J0500181JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 50V X7R 0805
  • In Stock:208343
$0.093/pcsRFQ
1111J2500301FQT Image
  • Part#:1111J2500301FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 300PF 250V C0G/NP0 1111
  • In Stock:24716
$1.38/pcsRFQ
1825Y0160331FCT Image
  • Part#:1825Y0160331FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 16V C0G/NP0 1825
  • In Stock:9370
$3.551/pcsRFQ
1808J0500470KDT Image
  • Part#:1808J0500470KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 50V X7R 1808
  • In Stock:124300
$0.177/pcsRFQ
0505Y0630221GQT Image
  • Part#:0505Y0630221GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 63V C0G/NP0 0505
  • In Stock:65640
$0.356/pcsRFQ
2225Y2000562GFT Image
  • Part#:2225Y2000562GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 200V C0G/NP0 2225
  • In Stock:11826
$3.259/pcsRFQ
1210J1K03P90BAT Image
  • Part#:1210J1K03P90BAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 1KV C0G/NP0 1210
  • In Stock:64586
$0.612/pcsRFQ
0805J6305P60BCR Image
  • Part#:0805J6305P60BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 630V C0G/NP0 0805
  • In Stock:101692
$0.188/pcsRFQ
1210J0500220KAT Image
  • Part#:1210J0500220KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 50V C0G/NP0 1210
  • In Stock:96515
$0.237/pcsRFQ
1808J0160822JCR Image
  • Part#:1808J0160822JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 16V C0G/NP0 1808
  • In Stock:129251
$0.147/pcsRFQ
2220Y0630151JFT Image
  • Part#:2220Y0630151JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 63V C0G/NP0 2220
  • In Stock:31181
$1.233/pcsRFQ
1206J1K50181MXR Image
  • Part#:1206J1K50181MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1.5KV X7R 1206
  • In Stock:353844
$0.063/pcsRFQ
1808Y1000154MDR Image
  • Part#:1808Y1000154MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 100V X7R 1808
  • In Stock:87266
$0.238/pcsRFQ
0805Y2500181FCR Image
  • Part#:0805Y2500181FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V C0G/NP0 0805
  • In Stock:81009
$0.244/pcsRFQ
1206Y2500471GCR Image
  • Part#:1206Y2500471GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V C0G/NP0 1206
  • In Stock:131120
$0.181/pcsRFQ
0603J0500331JCT Image
  • Part#:0603J0500331JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 50V C0G/NP0 0603
  • In Stock:345643
$0.055/pcsRFQ
2220YA250471MXTB16 Image
  • Part#:2220YA250471MXTB16
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V X7R 2220
  • In Stock:99895
$0.385/pcsRFQ
2225J2500220GCT Image
  • Part#:2225J2500220GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 250V C0G/NP0 2225
  • In Stock:26421
$1.485/pcsRFQ
1825Y2K50561KXT Image
  • Part#:1825Y2K50561KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 2.5KV X7R 1825
  • In Stock:51130
$0.621/pcsRFQ
1812Y5000821JET Image
  • Part#:1812Y5000821JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 500V X7R 1812
  • In Stock:79268
$0.422/pcsRFQ
0805Y0500390JAR Image
  • Part#:0805Y0500390JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 50V C0G/NP0 0805
  • In Stock:271886
$0.077/pcsRFQ
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