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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

1812Y0160223KDR Image
  • Part#:1812Y0160223KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 16V X7R 1812
  • In Stock:81548
$0.395/pcsRFQ
2225Y1000221KCT Image
  • Part#:2225Y1000221KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 100V C0G/NP0 2225
  • In Stock:46499
$0.843/pcsRFQ
2225J0100564KCR Image
  • Part#:2225J0100564KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 10V C0G/NP0 2225
  • In Stock:16861
$2.217/pcsRFQ
1206J0500682JCT Image
  • Part#:1206J0500682JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 50V C0G/NP0 1206
  • In Stock:167823
$0.127/pcsRFQ
2225J1000392JCR Image
  • Part#:2225J1000392JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 100V C0G/NP0 2225
  • In Stock:34739
$0.862/pcsRFQ
1210J0500470JFR Image
  • Part#:1210J0500470JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 50V C0G/NP0 1210
  • In Stock:87772
$0.241/pcsRFQ
1210Y1K00331JAR Image
  • Part#:1210Y1K00331JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1KV C0G/NP0 1210
  • In Stock:105076
$0.224/pcsRFQ
2225J1K50101FCT Image
  • Part#:2225J1K50101FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 1.5KV C0G/NP0 2225
  • In Stock:15799
$2.106/pcsRFQ
1206Y2500182GCR Image
  • Part#:1206Y2500182GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 250V C0G/NP0 1206
  • In Stock:109853
$0.213/pcsRFQ
1808Y0254P70CCR Image
  • Part#:1808Y0254P70CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 25V C0G/NP0 1808
  • In Stock:99262
$0.206/pcsRFQ
1206Y1000473KET Image
  • Part#:1206Y1000473KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 100V X7R 1206
  • In Stock:135791
$0.16/pcsRFQ
0603Y0630101GCT Image
  • Part#:0603Y0630101GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 63V C0G/NP0 0603
  • In Stock:249577
$0.091/pcsRFQ
2220Y0630223MXT Image
  • Part#:2220Y0630223MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 63V X7R 2220
  • In Stock:49691
$0.701/pcsRFQ
0603J0250183MDR Image
  • Part#:0603J0250183MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 25V X7R 0603
  • In Stock:336926
$0.064/pcsRFQ
1812J0160390JCR Image
  • Part#:1812J0160390JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 16V C0G/NP0 1812
  • In Stock:90655
$0.24/pcsRFQ
2225Y0250104JCR Image
  • Part#:2225Y0250104JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 25V C0G/NP0 2225
  • In Stock:24904
$1.379/pcsRFQ
2225J0630683KFR Image
  • Part#:2225J0630683KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 63V C0G/NP0 2225
  • In Stock:18280
$1.988/pcsRFQ
1808Y6300560JCT Image
  • Part#:1808Y6300560JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 630V C0G/NP0 1808
  • In Stock:117749
$0.167/pcsRFQ
1206J0501P50BFR Image
  • Part#:1206J0501P50BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 50V C0G/NP0 1206
  • In Stock:56092
$0.344/pcsRFQ
1111J1K00360GQT Image
  • Part#:1111J1K00360GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 36PF 1KV C0G/NP0 1111
  • In Stock:54934
$0.562/pcsRFQ
1206Y2500181FQT Image
  • Part#:1206Y2500181FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V C0G/NP0 1206
  • In Stock:41634
$0.798/pcsRFQ
  • Part#:0505J0502P10CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 0505
  • In Stock:139268
$0.159/pcsRFQ
1808J0100824KXT Image
  • Part#:1808J0100824KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 10V X7R 1808
  • In Stock:79033
$0.243/pcsRFQ
1825Y0100393FCT Image
  • Part#:1825Y0100393FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 10V C0G/NP0 1825
  • In Stock:10451
$3.712/pcsRFQ
1111J2500161FQT Image
  • Part#:1111J2500161FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 160PF 250V C0G/NP0 1111
  • In Stock:24204
$1.395/pcsRFQ
2225J2K50101KCT Image
  • Part#:2225J2K50101KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 2.5KV C0G/NP0 2225
  • In Stock:61848
$0.635/pcsRFQ
1808Y2000220KFT Image
  • Part#:1808Y2000220KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 200V C0G/NP0 1808
  • In Stock:110354
$0.19/pcsRFQ
2211JA250471KCTSP Image
  • Part#:2211JA250471KCTSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V C0G/NP0 2211
  • In Stock:40332
$0.839/pcsRFQ
2225Y6300561JXT Image
  • Part#:2225Y6300561JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 630V X7R 2225
  • In Stock:31800
$1.051/pcsRFQ
1206J0500822KAT Image
  • Part#:1206J0500822KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 50V C0G/NP0 1206
  • In Stock:118920
$0.201/pcsRFQ
0805Y5000560GFT Image
  • Part#:0805Y5000560GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 500V C0G/NP0 0805
  • In Stock:140657
$0.141/pcsRFQ
1206J5000181JAR Image
  • Part#:1206J5000181JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 500V C0G/NP0 1206
  • In Stock:158214
$0.121/pcsRFQ
1808J1K00681KCT Image
  • Part#:1808J1K00681KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1KV C0G/NP0 1808
  • In Stock:124740
$0.17/pcsRFQ
2220Y5000271JFT Image
  • Part#:2220Y5000271JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 2220
  • In Stock:39575
$0.864/pcsRFQ
1808Y5000390JFR Image
  • Part#:1808Y5000390JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 500V C0G/NP0 1808
  • In Stock:103645
$0.219/pcsRFQ
1210Y1K00182JET Image
  • Part#:1210Y1K00182JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1KV X7R 1210
  • In Stock:84154
$0.252/pcsRFQ
0805J1000562KXT Image
  • Part#:0805J1000562KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 100V X7R 0805
  • In Stock:353012
$0.061/pcsRFQ
0805J5003P90DFR Image
  • Part#:0805J5003P90DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 500V C0G/NP0 0805
  • In Stock:277700
$0.071/pcsRFQ
  • Part#:1206Y2500272JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:259897
$0.083/pcsRFQ
0603J2000120JUT Image
  • Part#:0603J2000120JUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 200V C0G/NP0 0603
  • In Stock:142174
$0.145/pcsRFQ
2220J1000330KFT Image
  • Part#:2220J1000330KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 100V C0G/NP0 2220
  • In Stock:31859
$0.988/pcsRFQ
1210Y0635P60DAR Image
  • Part#:1210Y0635P60DAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 63V C0G/NP0 1210
  • In Stock:70521
$0.295/pcsRFQ
1206Y5000391KDR Image
  • Part#:1206Y5000391KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V X7R 1206
  • In Stock:226834
$0.103/pcsRFQ
1812Y1K00332JXT Image
  • Part#:1812Y1K00332JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 1KV X7R 1812
  • In Stock:60804
$0.33/pcsRFQ
0603Y2001P20DFR Image
  • Part#:0603Y2001P20DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 200V C0G/NP0 0603
  • In Stock:317935
$0.075/pcsRFQ
0603Y050P200DQT Image
  • Part#:0603Y050P200DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.2PF 50V C0G/NP0 0603
  • In Stock:263748
$0.079/pcsRFQ
1808J0250271JFT Image
  • Part#:1808J0250271JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 25V C0G/NP0 1808
  • In Stock:119796
$0.186/pcsRFQ
1210J0630103FAR Image
  • Part#:1210J0630103FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 63V C0G/NP0 1210
  • In Stock:33520
$1.143/pcsRFQ
1210Y1K00333KXT Image
  • Part#:1210Y1K00333KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 1KV X7R 1210
  • In Stock:107804
$0.213/pcsRFQ
0805J0500120JQT Image
  • Part#:0805J0500120JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 50V C0G/NP0 0805
  • In Stock:118503
$0.177/pcsRFQ
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