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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

0603Y0163P30BFT Image
  • Part#:0603Y0163P30BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 16V C0G/NP0 0603
  • In Stock:123335
$0.177/pcsRFQ
1808J0630683MDT Image
  • Part#:1808J0630683MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 63V X7R 1808
  • In Stock:105599
$0.196/pcsRFQ
1206Y1K00390KCR Image
  • Part#:1206Y1K00390KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 1KV C0G/NP0 1206
  • In Stock:243504
$0.09/pcsRFQ
2225Y1K00102JDR Image
  • Part#:2225Y1K00102JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1KV X7R 2225
  • In Stock:30984
$1.276/pcsRFQ
0805Y1503P30DQT Image
  • Part#:0805Y1503P30DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 150V C0G/NP0 0805
  • In Stock:155871
$0.145/pcsRFQ
0805J2000820GUT Image
  • Part#:0805J2000820GUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 200V C0G/NP0 0805
  • In Stock:66113
$0.45/pcsRFQ
  • Part#:1825J2000471JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:52561
$0.735/pcsRFQ
2220J1K50470KCT Image
  • Part#:2220J1K50470KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 1.5KV C0G/NP0 2220
  • In Stock:77442
$0.471/pcsRFQ
1812Y0250472JDT Image
  • Part#:1812Y0250472JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 25V X7R 1812
  • In Stock:64264
$0.534/pcsRFQ
1206J1000471JXT Image
  • Part#:1206J1000471JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 100V X7R 1206
  • In Stock:236410
$0.094/pcsRFQ
1206Y2000120FAT Image
  • Part#:1206Y2000120FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 200V C0G/NP0 1206
  • In Stock:85316
$0.441/pcsRFQ
1812Y0500332KAR Image
  • Part#:1812Y0500332KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 50V C0G/NP0 1812
  • In Stock:75783
$0.43/pcsRFQ
2220Y4K00221MXT Image
  • Part#:2220Y4K00221MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 4KV X7R 2220
  • In Stock:77860
$0.299/pcsRFQ
1111Y1K00680FQT Image
  • Part#:1111Y1K00680FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 1KV C0G/NP0 1111
  • In Stock:24060
$1.277/pcsRFQ
2225J2000223JFT Image
  • Part#:2225J2000223JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 200V C0G 2225
  • In Stock:17713
$1.851/pcsRFQ
0805J5004P70BFR Image
  • Part#:0805J5004P70BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 500V C0G/NP0 0805
  • In Stock:82274
$0.264/pcsRFQ
2220Y1K20222KXT Image
  • Part#:2220Y1K20222KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 1.2KV X7R 2220
  • In Stock:58053
$0.589/pcsRFQ
1812J5000390JAT Image
  • Part#:1812J5000390JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 500V C0G/NP0 1812
  • In Stock:86087
$0.374/pcsRFQ
1210Y0500682GAR Image
  • Part#:1210Y0500682GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 50V C0G/NP0 1210
  • In Stock:64581
$0.547/pcsRFQ
2220J1000122GFT Image
  • Part#:2220J1000122GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 100V C0G/NP0 2220
  • In Stock:19442
$1.809/pcsRFQ
1812J1000472KCT Image
  • Part#:1812J1000472KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V C0G/NP0 1812
  • In Stock:72697
$0.284/pcsRFQ
1812Y1000220FAT Image
  • Part#:1812Y1000220FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 100V C0G/NP0 1812
  • In Stock:25659
$1.481/pcsRFQ
1206Y1K00101KAR Image
  • Part#:1206Y1K00101KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 1KV C0G/NP0 1206
  • In Stock:152070
$0.14/pcsRFQ
1206J0250394JXT Image
  • Part#:1206J0250394JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 25V X7R 1206
  • In Stock:142608
$0.162/pcsRFQ
1812Y2000823MDT Image
  • Part#:1812Y2000823MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 200V X7R 1812
  • In Stock:81750
$0.431/pcsRFQ
2225J0630823KCT Image
  • Part#:2225J0630823KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 63V C0G/NP0 2225
  • In Stock:29336
$1.316/pcsRFQ
1812J0500561FCR Image
  • Part#:1812J0500561FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 50V C0G/NP0 1812
  • In Stock:35353
$0.884/pcsRFQ
2220Y4K00561KXT Image
  • Part#:2220Y4K00561KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 4KV X7R 2220
  • In Stock:71186
$0.311/pcsRFQ
1808Y0500561JDR Image
  • Part#:1808Y0500561JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 50V X7R 1808
  • In Stock:82333
$0.253/pcsRFQ
2220Y0500153KXT Image
  • Part#:2220Y0500153KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 50V X7R 2220
  • In Stock:42149
$0.719/pcsRFQ
0805J6300271KXR Image
  • Part#:0805J6300271KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 630V X7R 0805
  • In Stock:390696
$0.048/pcsRFQ
2225J0630331KCT Image
  • Part#:2225J0630331KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 63V C0G/NP0 2225
  • In Stock:44261
$0.773/pcsRFQ
0805J0636P80DAR Image
  • Part#:0805J0636P80DAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 63V C0G/NP0 0805
  • In Stock:296066
$0.077/pcsRFQ
2225Y5000393JDR Image
  • Part#:2225Y5000393JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 500V X7R 2225
  • In Stock:33526
$1.15/pcsRFQ
0603J2500180JUT Image
  • Part#:0603J2500180JUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 250V C0G/NP0 0603
  • In Stock:132502
$0.141/pcsRFQ
2225J0160562KFR Image
  • Part#:2225J0160562KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 16V C0G/NP0 2225
  • In Stock:31995
$1.199/pcsRFQ
1210J0160560KCR Image
  • Part#:1210J0160560KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 16V C0G/NP0 1210
  • In Stock:154691
$0.153/pcsRFQ
2211JA250221GCRSP Image
  • Part#:2211JA250221GCRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V C0G/NP0 2211
  • In Stock:27154
$1.116/pcsRFQ
2220J2500100JCR Image
  • Part#:2220J2500100JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 250V C0G/NP0 2220
  • In Stock:50755
$0.77/pcsRFQ
2220J1K00822JDR Image
  • Part#:2220J1K00822JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 1KV X7R 2220
  • In Stock:45927
$0.835/pcsRFQ
1206J2008P20BAR Image
  • Part#:1206J2008P20BAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 200V C0G/NP0 1206
  • In Stock:70479
$0.336/pcsRFQ
0805Y0500121FQT Image
  • Part#:0805Y0500121FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 50V C0G/NP0 0805
  • In Stock:54731
$0.676/pcsRFQ
0805J0500183MDT Image
  • Part#:0805J0500183MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 50V X7R 0805
  • In Stock:248867
$0.094/pcsRFQ
  • Part#:1825Y0250330FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:15501
$2.512/pcsRFQ
1808J1000470KDT Image
  • Part#:1808J1000470KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 100V X7R 1808
  • In Stock:104761
$0.182/pcsRFQ
1210J1K00331FFT Image
  • Part#:1210J1K00331FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1KV C0G/NP0 1210
  • In Stock:43624
$0.758/pcsRFQ
2225J1K20152JCT Image
  • Part#:2225J1K20152JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 1.2KV C0G 2225
  • In Stock:38646
$0.804/pcsRFQ
2225J6300561FCR Image
  • Part#:2225J6300561FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 630V C0G/NP0 2225
  • In Stock:14910
$2.431/pcsRFQ
2220Y2500183KFT Image
  • Part#:2220Y2500183KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 250V C0G 2220
  • In Stock:21268
$1.541/pcsRFQ
0805Y0630151FFR Image
  • Part#:0805Y0630151FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 63V C0G/NP0 0805
  • In Stock:81198
$0.273/pcsRFQ
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