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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

1206Y0508P20CAT Image
  • Part#:1206Y0508P20CAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 50V C0G/NP0 1206
  • In Stock:130038
$0.178/pcsRFQ
1808Y1K20822JXR Image
  • Part#:1808Y1K20822JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 1.2KV X7R 1808
  • In Stock:82471
$0.24/pcsRFQ
1812Y6300561JAT Image
  • Part#:1812Y6300561JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 630V C0G/NP0 1812
  • In Stock:85239
$0.405/pcsRFQ
1825Y0160390FCT Image
  • Part#:1825Y0160390FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 16V C0G/NP0 1825
  • In Stock:11128
$3.181/pcsRFQ
1206J2500360KQT Image
  • Part#:1206J2500360KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 36PF 250V C0G/NP0 1206
  • In Stock:132227
$0.178/pcsRFQ
1825Y1K20331GCT Image
  • Part#:1825Y1K20331GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1.2KV C0G/NP0 1825
  • In Stock:24495
$1.213/pcsRFQ
1812Y3K00331MXT Image
  • Part#:1812Y3K00331MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 3KV X7R 1812
  • In Stock:73796
$0.296/pcsRFQ
1210J1000123MXR Image
  • Part#:1210J1000123MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 100V X7R 1210
  • In Stock:171782
$0.135/pcsRFQ
1808J5000330MDT Image
  • Part#:1808J5000330MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 500V X7R 1808
  • In Stock:116611
$0.201/pcsRFQ
1808J0500474KDR Image
  • Part#:1808J0500474KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 50V X7R 1808
  • In Stock:78517
$0.254/pcsRFQ
2225J0250391KCT Image
  • Part#:2225J0250391KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 2225
  • In Stock:34116
$0.877/pcsRFQ
1808Y2000271GCT Image
  • Part#:1808Y2000271GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 200V C0G/NP0 1808
  • In Stock:88698
$0.215/pcsRFQ
2225J3K00681FCT Image
  • Part#:2225J3K00681FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 3KV C0G/NP0 2225
  • In Stock:14360
$2.426/pcsRFQ
2220Y0250393FCR Image
  • Part#:2220Y0250393FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 25V C0G/NP0 2220
  • In Stock:10034
$3.187/pcsRFQ
0805Y1500271FQT Image
  • Part#:0805Y1500271FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 150V C0G/NP0 0805
  • In Stock:45669
$0.687/pcsRFQ
0603J1000331GFR Image
  • Part#:0603J1000331GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 100V C0G/NP0 0603
  • In Stock:140834
$0.14/pcsRFQ
  • Part#:1111Y6300560JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 1111
  • In Stock:69394
$0.311/pcsRFQ
1808Y6300122JXR Image
  • Part#:1808Y6300122JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 630V X7R 1808
  • In Stock:87369
$0.271/pcsRFQ
  • Part#:0805J0160391GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 16V C0G/NP0 0805
  • In Stock:188664
$0.115/pcsRFQ
1206J1501P30DQT Image
  • Part#:1206J1501P30DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.3PF 150V C0G/NP0 1206
  • In Stock:120222
$0.178/pcsRFQ
1808Y0630561KFT Image
  • Part#:1808Y0630561KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 63V C0G/NP0 1808
  • In Stock:116102
$0.188/pcsRFQ
1111Y3001P30BQT Image
  • Part#:1111Y3001P30BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.3PF 300V C0G/NP0 1111
  • In Stock:70058
$0.289/pcsRFQ
2225Y2000824KDR Image
  • Part#:2225Y2000824KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 200V X7R 2225
  • In Stock:18443
$1.71/pcsRFQ
0603J0501P50CCT Image
  • Part#:0603J0501P50CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 50V C0G/NP0 0603
  • In Stock:314083
$0.072/pcsRFQ
1210J1K00150FFT Image
  • Part#:1210J1K00150FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 1KV C0G/NP0 1210
  • In Stock:47581
$0.638/pcsRFQ
2225Y1K50270FCR Image
  • Part#:2225Y1K50270FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 1.5KV C0G/NP0 2225
  • In Stock:14064
$2.378/pcsRFQ
2225Y2500272GCR Image
  • Part#:2225Y2500272GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 250V C0G/NP0 2225
  • In Stock:15244
$1.96/pcsRFQ
1808Y5000271MXR Image
  • Part#:1808Y5000271MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V X7R 1808
  • In Stock:146339
$0.155/pcsRFQ
1812J0250561GCT Image
  • Part#:1812J0250561GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 25V C0G/NP0 1812
  • In Stock:80644
$0.471/pcsRFQ
1206J0160470JFT Image
  • Part#:1206J0160470JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 16V C0G/NP0 1206
  • In Stock:190294
$0.118/pcsRFQ
2220Y1000272KCT Image
  • Part#:2220Y1000272KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 100V C0G/NP0 2220
  • In Stock:39726
$0.781/pcsRFQ
0805J0160562JCT Image
  • Part#:0805J0160562JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 16V C0G/NP0 0805
  • In Stock:200378
$0.103/pcsRFQ
1812Y0500473KXR Image
  • Part#:1812Y0500473KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 50V X7R 1812
  • In Stock:70126
$0.282/pcsRFQ
2220J0160563GFT Image
  • Part#:2220J0160563GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 16V C0G/NP0 2220
  • In Stock:13959
$2.629/pcsRFQ
1812Y0630681FAT Image
  • Part#:1812Y0630681FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 63V C0G/NP0 1812
  • In Stock:19751
$1.537/pcsRFQ
1210J6306P80CAT Image
  • Part#:1210J6306P80CAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 630V C0G/NP0 1210
  • In Stock:76760
$0.306/pcsRFQ
2220Y0250151JCT Image
  • Part#:2220Y0250151JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 25V C0G/NP0 2220
  • In Stock:44639
$0.871/pcsRFQ
0805J2000470KFT Image
  • Part#:0805J2000470KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 200V C0G/NP0 0805
  • In Stock:241973
$0.085/pcsRFQ
1808J0250334MXR Image
  • Part#:1808J0250334MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 25V X7R 1808
  • In Stock:154701
$0.148/pcsRFQ
2220J0250104MDR Image
  • Part#:2220J0250104MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 25V X7R 2220
  • In Stock:38697
$0.853/pcsRFQ
1206Y0630332MXT Image
  • Part#:1206Y0630332MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 63V X7R 1206
  • In Stock:262643
$0.08/pcsRFQ
2220J0100470KCT Image
  • Part#:2220J0100470KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 10V C0G/NP0 2220
  • In Stock:51499
$0.693/pcsRFQ
2225J2500272FCR Image
  • Part#:2225J2500272FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 250V C0G/NP0 2225
  • In Stock:8777
$3.512/pcsRFQ
2220J0250273JCR Image
  • Part#:2220J0250273JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 25V C0G/NP0 2220
  • In Stock:39152
$0.842/pcsRFQ
1812J2K00681GCR Image
  • Part#:1812J2K00681GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 2KV C0G/NP0 1812
  • In Stock:55436
$0.681/pcsRFQ
1812J1000153GCR Image
  • Part#:1812J1000153GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 100V C0G 1812
  • In Stock:60039
$0.634/pcsRFQ
1808J0250184JDR Image
  • Part#:1808J0250184JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 25V X7R 1808
  • In Stock:62403
$0.321/pcsRFQ
0603J1003P30BFT Image
  • Part#:0603J1003P30BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 100V C0G/NP0 0603
  • In Stock:94165
$0.223/pcsRFQ
1808J1K50392JXR Image
  • Part#:1808J1K50392JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1.5KV X7R 1808
  • In Stock:99906
$0.201/pcsRFQ
0805Y0250331MDR Image
  • Part#:0805Y0250331MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 25V X7R 0805
  • In Stock:320610
$0.07/pcsRFQ
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