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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

1206J1K04P30CQT Image
  • Part#:1206J1K04P30CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.3PF 1KV C0G/NP0 1206
  • In Stock:82839
$0.236/pcsRFQ
0805J0160680KCT Image
  • Part#:0805J0160680KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 16V C0G/NP0 0805
  • In Stock:345238
$0.055/pcsRFQ
2225Y2500472JCR Image
  • Part#:2225Y2500472JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 250V C0G/NP0 2225
  • In Stock:30616
$1.104/pcsRFQ
  • Part#:2225J0100102FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:12929
$2.766/pcsRFQ
1111Y2002P00DQT Image
  • Part#:1111Y2002P00DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2PF 200V C0G/NP0 1111
  • In Stock:80040
$0.279/pcsRFQ
1111Y2K06P80CQT Image
  • Part#:1111Y2K06P80CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 2000V C0G/NP0 1111
  • In Stock:78350
$0.391/pcsRFQ
  • Part#:1210J0100150KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1210
  • In Stock:155848
$0.129/pcsRFQ
1812J1K00270KFT Image
  • Part#:1812J1K00270KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 1KV C0G/NP0 1812
  • In Stock:106157
$0.368/pcsRFQ
1812Y1K00180KCR Image
  • Part#:1812Y1K00180KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1KV C0G/NP0 1812
  • In Stock:82185
$0.271/pcsRFQ
1210J0500101GCR Image
  • Part#:1210J0500101GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 50V C0G/NP0 1210
  • In Stock:68434
$0.277/pcsRFQ
2225J0250393GFR Image
  • Part#:2225J0250393GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 25V C0G/NP0 2225
  • In Stock:12284
$2.76/pcsRFQ
1210Y2500103KDT Image
  • Part#:1210Y2500103KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 250V X7R 1210
  • In Stock:95622
$0.242/pcsRFQ
1206Y6300330FAT Image
  • Part#:1206Y6300330FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 630V C0G/NP0 1206
  • In Stock:76093
$0.408/pcsRFQ
0603J1000470FFR Image
  • Part#:0603J1000470FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 100V C0G/NP0 0603
  • In Stock:91335
$0.237/pcsRFQ
  • Part#:0603J0500680KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0603
  • In Stock:405994
$0.056/pcsRFQ
0603Y2500222MXR Image
  • Part#:0603Y2500222MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 250V X7R 0603
  • In Stock:478057
$0.043/pcsRFQ
1206Y2000101JXR Image
  • Part#:1206Y2000101JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 200V X7R 1206
  • In Stock:202686
$0.097/pcsRFQ
0805J2004P70BFR Image
  • Part#:0805J2004P70BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 200V C0G/NP0 0805
  • In Stock:84500
$0.25/pcsRFQ
0805Y0250331MDT Image
  • Part#:0805Y0250331MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 25V X7R 0805
  • In Stock:245984
$0.078/pcsRFQ
2220Y1K00821JCR Image
  • Part#:2220Y1K00821JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1KV C0G/NP0 2220
  • In Stock:55138
$0.598/pcsRFQ
2220Y5000821MXT Image
  • Part#:2220Y5000821MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 500V X7R 2220
  • In Stock:70094
$0.469/pcsRFQ
1210Y0160125KXT Image
  • Part#:1210Y0160125KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2UF 16V X7R 1210
  • In Stock:76284
$0.294/pcsRFQ
0603Y2500101JXT Image
  • Part#:0603Y2500101JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V X7R 0603
  • In Stock:446450
$0.054/pcsRFQ
1825J2500103FCR Image
  • Part#:1825J2500103FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 250V C0G 1825
  • In Stock:9035
$3.38/pcsRFQ
2225Y1000392JCR Image
  • Part#:2225Y1000392JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 100V C0G/NP0 2225
  • In Stock:41805
$0.947/pcsRFQ
2220J4K00221KCR Image
  • Part#:2220J4K00221KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 4KV C0G/NP0 2220
  • In Stock:76908
$0.311/pcsRFQ
1210J2000121GCR Image
  • Part#:1210J2000121GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 200V C0G/NP0 1210
  • In Stock:76955
$0.302/pcsRFQ
2220Y1000102JFT Image
  • Part#:2220Y1000102JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 100V C0G/NP0 2220
  • In Stock:33622
$1.167/pcsRFQ
1210Y0500562FAR Image
  • Part#:1210Y0500562FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 50V C0G/NP0 1210
  • In Stock:29499
$1.037/pcsRFQ
1812J0500154MDT Image
  • Part#:1812J0500154MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 50V X7R 1812
  • In Stock:90943
$0.384/pcsRFQ
1812J5000560KDT Image
  • Part#:1812J5000560KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 500V X7R 1812
  • In Stock:88649
$0.368/pcsRFQ
1206Y0500182KER Image
  • Part#:1206Y0500182KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 50V X7R 1206
  • In Stock:192720
$0.105/pcsRFQ
1825J0500220JCR Image
  • Part#:1825J0500220JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 50V C0G/NP0 1825
  • In Stock:37775
$0.79/pcsRFQ
1210Y1005P60BCR Image
  • Part#:1210Y1005P60BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 100V C0G/NP0 1210
  • In Stock:86061
$0.359/pcsRFQ
1206J2000181MXT Image
  • Part#:1206J2000181MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 200V X7R 1206
  • In Stock:258285
$0.08/pcsRFQ
1210J1K50391FCT Image
  • Part#:1210J1K50391FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1.5KV C0G/NP0 1210
  • In Stock:44973
$0.682/pcsRFQ
0805J2501P50BFR Image
  • Part#:0805J2501P50BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 250V C0G/NP0 0805
  • In Stock:72994
$0.258/pcsRFQ
0805Y5002P70CAR Image
  • Part#:0805Y5002P70CAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 500V C0G/NP0 0805
  • In Stock:160085
$0.127/pcsRFQ
2225Y6300331KCT Image
  • Part#:2225Y6300331KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 630V C0G/NP0 2225
  • In Stock:39996
$0.831/pcsRFQ
1111Y5001P80CUT Image
  • Part#:1111Y5001P80CUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 500V C0G/NP0 1111
  • In Stock:4951
 RFQ
1808J4K00180KCR Image
  • Part#:1808J4K00180KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 4KV C0G/NP0 1808
  • In Stock:143970
$0.146/pcsRFQ
0603J0100391MXR Image
  • Part#:0603J0100391MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 10V X7R 0603
  • In Stock:425149
$0.045/pcsRFQ
1210J2500272MDT Image
  • Part#:1210J2500272MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 250V X7R 1210
  • In Stock:83759
$0.228/pcsRFQ
2220YA250681JXTB16 Image
  • Part#:2220YA250681JXTB16
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 250V X7R 2220
  • In Stock:61635
$0.561/pcsRFQ
1808J1000183KXT Image
  • Part#:1808J1000183KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 100V X7R 1808
  • In Stock:161346
$0.134/pcsRFQ
2225J2000391GFR Image
  • Part#:2225J2000391GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 200V C0G/NP0 2225
  • In Stock:14902
$2.224/pcsRFQ
1210Y5000122JAR Image
  • Part#:1210Y5000122JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 500V C0G/NP0 1210
  • In Stock:106890
$0.207/pcsRFQ
1812J2000390FFT Image
  • Part#:1812J2000390FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 200V C0G/NP0 1812
  • In Stock:29005
$1.254/pcsRFQ
2220Y5000560FCR Image
  • Part#:2220Y5000560FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 500V C0G/NP0 2220
  • In Stock:14783
$2.225/pcsRFQ
2220Y1K00223MDT Image
  • Part#:2220Y1K00223MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 1KV X7R 2220
  • In Stock:40095
$0.779/pcsRFQ
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