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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

1825J4K00221KXR Image
  • Part#:1825J4K00221KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 4KV X7R 1825
  • In Stock:88073
$0.269/pcsRFQ
1210Y6300332JXR Image
  • Part#:1210Y6300332JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 630V X7R 1210
  • In Stock:156536
$0.153/pcsRFQ
2225Y1000181KCR Image
  • Part#:2225Y1000181KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 100V C0G/NP0 2225
  • In Stock:45469
$0.831/pcsRFQ
0805Y2500750KQT Image
  • Part#:0805Y2500750KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 75PF 250V C0G/NP0 0805
  • In Stock:122357
$0.192/pcsRFQ
0805J0250151MXT Image
  • Part#:0805J0250151MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 25V X7R 0805
  • In Stock:416898
$0.051/pcsRFQ
0805Y0500681GCR Image
  • Part#:0805Y0500681GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 50V C0G/NP0 0805
  • In Stock:193835
$0.104/pcsRFQ
2220J0630124FCR Image
  • Part#:2220J0630124FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 63V C0G/NP0 2220
  • In Stock:7436
$4.824/pcsRFQ
  • Part#:0603J3001P70BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 0603
  • In Stock:247440
$0.094/pcsRFQ
0805Y0630151KCT Image
  • Part#:0805Y0630151KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 63V C0G/NP0 0805
  • In Stock:318159
$0.06/pcsRFQ
1206Y2000122GAR Image
  • Part#:1206Y2000122GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 200V C0G/NP0 1206
  • In Stock:63145
$0.313/pcsRFQ
1812Y0160680JCT Image
  • Part#:1812Y0160680JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 16V C0G/NP0 1812
  • In Stock:70171
$0.323/pcsRFQ
2225Y2500332JFT Image
  • Part#:2225Y2500332JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 250V C0G/NP0 2225
  • In Stock:19408
$1.653/pcsRFQ
2220Y0160390KCR Image
  • Part#:2220Y0160390KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 16V C0G/NP0 2220
  • In Stock:48153
$0.762/pcsRFQ
1210J1K00391JXT Image
  • Part#:1210J1K00391JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV X7R 1210
  • In Stock:121386
$0.155/pcsRFQ
2220J0630681FCR Image
  • Part#:2220J0630681FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 63V C0G/NP0 2220
  • In Stock:13875
$2.402/pcsRFQ
2225J0250183GFT Image
  • Part#:2225J0250183GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 25V C0G/NP0 2225
  • In Stock:14173
$2.633/pcsRFQ
1210Y0630564MDR Image
  • Part#:1210Y0630564MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 63V X7R 1210
  • In Stock:55627
$0.34/pcsRFQ
1210J0630102GFT Image
  • Part#:1210J0630102GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 63V C0G/NP0 1210
  • In Stock:77691
$0.464/pcsRFQ
2225Y1K50563MXR Image
  • Part#:2225Y1K50563MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 1.5KV X7R 2225
  • In Stock:35817
$1.028/pcsRFQ
1210J0108P20CCT Image
  • Part#:1210J0108P20CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 10V C0G/NP0 1210
  • In Stock:81991
$0.252/pcsRFQ
1825Y1000103JCR Image
  • Part#:1825Y1000103JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 100V C0G 1825
  • In Stock:39589
$0.928/pcsRFQ
2225J1K00330KCR Image
  • Part#:2225J1K00330KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 1KV C0G/NP0 2225
  • In Stock:62404
$0.632/pcsRFQ
1210J0630332KXR Image
  • Part#:1210J0630332KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 63V X7R 1210
  • In Stock:161450
$0.145/pcsRFQ
1812J1000561GCR Image
  • Part#:1812J1000561GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 100V C0G/NP0 1812
  • In Stock:74065
$0.464/pcsRFQ
1808J0100121MXT Image
  • Part#:1808J0100121MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 10V X7R 1808
  • In Stock:176363
$0.12/pcsRFQ
1812Y2500393KDR Image
  • Part#:1812Y2500393KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 250V X7R 1812
  • In Stock:89236
$0.406/pcsRFQ
0603J1000121MXT Image
  • Part#:0603J1000121MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 100V X7R 0603
  • In Stock:442515
$0.044/pcsRFQ
0805Y0632P40CQT Image
  • Part#:0805Y0632P40CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.4PF 63V C0G/NP0 0805
  • In Stock:136359
$0.148/pcsRFQ
1206J0630270KFT Image
  • Part#:1206J0630270KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 63V C0G/NP0 1206
  • In Stock:180600
$0.113/pcsRFQ
1111Y5000221GUT Image
  • Part#:1111Y5000221GUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 500V C0G/NP0 1111
  • In Stock:4744
 RFQ
2220J0250560GCT Image
  • Part#:2220J0250560GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 25V C0G/NP0 2220
  • In Stock:30048
$1.292/pcsRFQ
0805J2500681JCR Image
  • Part#:0805J2500681JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 250V C0G/NP0 0805
  • In Stock:254976
$0.078/pcsRFQ
1825J1000681KCT Image
  • Part#:1825J1000681KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 100V C0G/NP0 1825
  • In Stock:53003
$0.72/pcsRFQ
0805Y2500331MDR Image
  • Part#:0805Y2500331MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 250V X7R 0805
  • In Stock:261837
$0.086/pcsRFQ
  • Part#:0603Y0500270GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 0603
  • In Stock:100084
$0.233/pcsRFQ
0603Y0100100KCT Image
  • Part#:0603Y0100100KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 10V C0G/NP0 0603
  • In Stock:268842
$0.071/pcsRFQ
1206J2500391KQT Image
  • Part#:1206J2500391KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V C0G/NP0 1206
  • In Stock:67285
$0.296/pcsRFQ
1808J0160684KXR Image
  • Part#:1808J0160684KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 16V X7R 1808
  • In Stock:109654
$0.21/pcsRFQ
1812J0250180KFR Image
  • Part#:1812J0250180KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 25V C0G/NP0 1812
  • In Stock:84893
$0.441/pcsRFQ
1206J0100333JCT Image
  • Part#:1206J0100333JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 10V C0G/NP0 1206
  • In Stock:121159
$0.174/pcsRFQ
1808Y5000330JFT Image
  • Part#:1808Y5000330JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 500V C0G/NP0 1808
  • In Stock:98687
$0.226/pcsRFQ
1206J6306P80DCT Image
  • Part#:1206J6306P80DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 630V C0G/NP0 1206
  • In Stock:282719
$0.084/pcsRFQ
1808J0160330KFR Image
  • Part#:1808J0160330KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 16V C0G/NP0 1808
  • In Stock:123491
$0.161/pcsRFQ
2220Y0160123KCT Image
  • Part#:2220Y0160123KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 16V C0G/NP0 2220
  • In Stock:45922
$0.828/pcsRFQ
1808J3K00561MXR Image
  • Part#:1808J3K00561MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 3KV X7R 1808
  • In Stock:156782
$0.135/pcsRFQ
1812Y5K00271MXR Image
  • Part#:1812Y5K00271MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 5KV X7R 1812
  • In Stock:85055
$0.259/pcsRFQ
2220J5000181JFR Image
  • Part#:2220J5000181JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 500V C0G/NP0 2220
  • In Stock:51669
$0.74/pcsRFQ
1206J050P800HQT Image
  • Part#:1206J050P800HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.8PF 50V C0G/NP0 1206
  • In Stock:75918
$0.301/pcsRFQ
1812Y0500682JFT Image
  • Part#:1812Y0500682JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 50V C0G/NP0 1812
  • In Stock:61114
$0.541/pcsRFQ
1206J0630563JDT Image
  • Part#:1206J0630563JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 63V X7R 1206
  • In Stock:123704
$0.156/pcsRFQ
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