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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

  • Part#:0505J1000220KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 100V C0G/NP0 0505
  • In Stock:136583
$0.157/pcsRFQ
2225J0250273FFT Image
  • Part#:2225J0250273FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 25V C0G/NP0 2225
  • In Stock:6075
$5.49/pcsRFQ
0603J0250820KFT Image
  • Part#:0603J0250820KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 25V C0G/NP0 0603
  • In Stock:229548
$0.091/pcsRFQ
0805J500P300HQT Image
  • Part#:0805J500P300HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.3PF 500V C0G/NP0 0805
  • In Stock:73114
$0.291/pcsRFQ
1808J6300683JXT Image
  • Part#:1808J6300683JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 630V X7R 1808
  • In Stock:75017
$0.313/pcsRFQ
0805J2508P20CFT Image
  • Part#:0805J2508P20CFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 250V C0G/NP0 0805
  • In Stock:152710
$0.138/pcsRFQ
  • Part#:1825J6300222KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:70546
$0.539/pcsRFQ
2220Y2500271FFT Image
  • Part#:2220Y2500271FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 250V C0G/NP0 2220
  • In Stock:6422
$5.009/pcsRFQ
1210J2K00180JCT Image
  • Part#:1210J2K00180JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 2KV C0G/NP0 1210
  • In Stock:170558
$0.139/pcsRFQ
1210Y0630180JAR Image
  • Part#:1210Y0630180JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 63V C0G/NP0 1210
  • In Stock:93711
$0.254/pcsRFQ
0603J0500271GFT Image
  • Part#:0603J0500271GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 50V C0G/NP0 0603
  • In Stock:154786
$0.146/pcsRFQ
2225J0630333GCR Image
  • Part#:2225J0630333GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 63V C0G/NP0 2225
  • In Stock:18878
$2.019/pcsRFQ
0805J2000120JUT Image
  • Part#:0805J2000120JUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 200V C0G/NP0 0805
  • In Stock:105104
$0.204/pcsRFQ
1812Y2500124JDT Image
  • Part#:1812Y2500124JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 250V X7R 1812
  • In Stock:52500
$0.679/pcsRFQ
1812Y2K50102JXR Image
  • Part#:1812Y2K50102JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 2.5KV X7R 1812
  • In Stock:56807
$0.366/pcsRFQ
1808J0630180KDT Image
  • Part#:1808J0630180KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 63V X7R 1808
  • In Stock:114927
$0.196/pcsRFQ
1825J0630154KCT Image
  • Part#:1825J0630154KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 63V C0G/NP0 1825
  • In Stock:18932
$1.583/pcsRFQ
0603Y0630391GAR Image
  • Part#:0603Y0630391GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 63V C0G/NP0 0603
  • In Stock:158701
$0.147/pcsRFQ
1812J0500564MDR Image
  • Part#:1812J0500564MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 50V X7R 1812
  • In Stock:68091
$0.495/pcsRFQ
  • Part#:2225Y0160820KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:42630
$0.823/pcsRFQ
1206Y2K00680GCR Image
  • Part#:1206Y2K00680GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 2KV C0G/NP0 1206
  • In Stock:102278
$0.195/pcsRFQ
2225J2000681GFR Image
  • Part#:2225J2000681GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 200V C0G/NP0 2225
  • In Stock:14959
$2.62/pcsRFQ
0603J2500910GQT Image
  • Part#:0603J2500910GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 91PF 250V C0G/NP0 0603
  • In Stock:64558
$0.325/pcsRFQ
1808J2000222KDR Image
  • Part#:1808J2000222KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 200V X7R 1808
  • In Stock:126276
$0.166/pcsRFQ
2220Y4K00271GCR Image
  • Part#:2220Y4K00271GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 4KV C0G/NP0 2220
  • In Stock:56484
$0.631/pcsRFQ
1111J1000182KQT Image
  • Part#:1111J1000182KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 100V C0G/NP0 1111
  • In Stock:47219
$0.713/pcsRFQ
0805Y1001P00BCT Image
  • Part#:0805Y1001P00BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 100V C0G/NP0 0805
  • In Stock:103170
$0.183/pcsRFQ
1812Y2000391GCT Image
  • Part#:1812Y2000391GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 200V C0G/NP0 1812
  • In Stock:51633
$0.581/pcsRFQ
0805J0250822KCT Image
  • Part#:0805J0250822KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 25V C0G/NP0 0805
  • In Stock:214909
$0.097/pcsRFQ
1825Y0630330FCT Image
  • Part#:1825Y0630330FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 63V C0G/NP0 1825
  • In Stock:10253
$3.164/pcsRFQ
1206Y0250332MXR Image
  • Part#:1206Y0250332MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 25V X7R 1206
  • In Stock:262597
$0.071/pcsRFQ
1206Y0500473MXR Image
  • Part#:1206Y0500473MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 50V X7R 1206
  • In Stock:275700
$0.08/pcsRFQ
  • Part#:0603Y0500120KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 50V C0G/NP0 0603
  • In Stock:334190
$0.058/pcsRFQ
0603J0630160KQT Image
  • Part#:0603J0630160KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 16PF 63V C0G/NP0 0603
  • In Stock:210129
$0.106/pcsRFQ
  • Part#:1812J5000120JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1812
  • In Stock:86768
$0.245/pcsRFQ
2225J0500224JCR Image
  • Part#:2225J0500224JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 50V C0G/NP0 2225
  • In Stock:20251
$1.913/pcsRFQ
1808J2K04P70DCT Image
  • Part#:1808J2K04P70DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 2KV C0G/NP0 1808
  • In Stock:106354
$0.198/pcsRFQ
1206J2500333MXR Image
  • Part#:1206J2500333MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 250V X7R 1206
  • In Stock:210301
$0.098/pcsRFQ
2225Y2K50680FCT Image
  • Part#:2225Y2K50680FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 2.5KV C0G/NP0 2225
  • In Stock:15809
$2.12/pcsRFQ
2220J0160223MXT Image
  • Part#:2220J0160223MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 16V X7R 2220
  • In Stock:54087
$0.581/pcsRFQ
1206J0500561KAT Image
  • Part#:1206J0500561KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 50V C0G/NP0 1206
  • In Stock:164610
$0.13/pcsRFQ
1808Y5000392FCT Image
  • Part#:1808Y5000392FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 500V C0G/NP0 1808
  • In Stock:30658
$1.01/pcsRFQ
1210Y6300121JAT Image
  • Part#:1210Y6300121JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 630V C0G/NP0 1210
  • In Stock:122066
$0.195/pcsRFQ
0603Y2500270FCT Image
  • Part#:0603Y2500270FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 250V C0G/NP0 0603
  • In Stock:125055
$0.189/pcsRFQ
1808J2000333KXT Image
  • Part#:1808J2000333KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 200V X7R 1808
  • In Stock:95475
$0.207/pcsRFQ
1210Y0630104JDT Image
  • Part#:1210Y0630104JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 63V X7R 1210
  • In Stock:66312
$0.289/pcsRFQ
1808J2500472KCR Image
  • Part#:1808J2500472KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 250V C0G/NP0 1808
  • In Stock:80864
$0.248/pcsRFQ
2225Y2000394JXR Image
  • Part#:2225Y2000394JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 200V X7R 2225
  • In Stock:29432
$1.268/pcsRFQ
2220Y2500391GFR Image
  • Part#:2220Y2500391GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V C0G/NP0 2220
  • In Stock:14748
$2.029/pcsRFQ
1812Y0500100GCT Image
  • Part#:1812Y0500100GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 50V C0G/NP0 1812
  • In Stock:71569
$0.544/pcsRFQ
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