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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

0603J2500150KQT Image
  • Part#:0603J2500150KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 250V C0G/NP0 0603
  • In Stock:211739
$0.104/pcsRFQ
1812J0500392MXT Image
  • Part#:1812J0500392MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 50V X7R 1812
  • In Stock:85896
$0.265/pcsRFQ
1812J2000821JCT Image
  • Part#:1812J2000821JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 200V C0G/NP0 1812
  • In Stock:75658
$0.291/pcsRFQ
1808J5000560FCR Image
  • Part#:1808J5000560FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 500V C0G/NP0 1808
  • In Stock:67325
$0.463/pcsRFQ
1210Y0630470FCR Image
  • Part#:1210Y0630470FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 63V C0G/NP0 1210
  • In Stock:64810
$0.588/pcsRFQ
1206J2500100JCT Image
  • Part#:1206J2500100JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 250V C0G/NP0 1206
  • In Stock:222710
$0.086/pcsRFQ
2225Y2000390JFT Image
  • Part#:2225Y2000390JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 200V C0G/NP0 2225
  • In Stock:23817
$1.428/pcsRFQ
1206Y5000390JCT Image
  • Part#:1206Y5000390JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 500V C0G/NP0 1206
  • In Stock:234131
$0.087/pcsRFQ
1808Y1000394MXT Image
  • Part#:1808Y1000394MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 100V X7R 1808
  • In Stock:83805
$0.259/pcsRFQ
1808Y5000272FCR Image
  • Part#:1808Y5000272FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 500V C0G/NP0 1808
  • In Stock:56372
$0.683/pcsRFQ
  • Part#:1825J5000682KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:73611
$0.532/pcsRFQ
1206J1K21P20BCR Image
  • Part#:1206J1K21P20BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 1.2KV C0G/NP0 1206
  • In Stock:72706
$0.287/pcsRFQ
1206Y0500390GAR Image
  • Part#:1206Y0500390GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 50V C0G/NP0 1206
  • In Stock:93171
$0.202/pcsRFQ
1210J0100682JXR Image
  • Part#:1210J0100682JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 10V X7R 1210
  • In Stock:108469
$0.177/pcsRFQ
0505J0630510JQT Image
  • Part#:0505J0630510JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 51PF 63V C0G/NP0 0505
  • In Stock:126456
$0.189/pcsRFQ
0805J1000681GCR Image
  • Part#:0805J1000681GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 100V C0G/NP0 0805
  • In Stock:195069
$0.124/pcsRFQ
0805J0500101FFR Image
  • Part#:0805J0500101FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 50V C0G/NP0 0805
  • In Stock:90597
$0.265/pcsRFQ
0805Y1K00821JXR Image
  • Part#:0805Y1K00821JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1KV X7R 0805
  • In Stock:277937
$0.08/pcsRFQ
2225J0250182KCT Image
  • Part#:2225J0250182KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 25V C0G/NP0 2225
  • In Stock:49345
$0.8/pcsRFQ
1808JA250181JCTSP Image
  • Part#:1808JA250181JCTSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V C0G/NP0 1808
  • In Stock:80245
$0.251/pcsRFQ
2220J0250822KFT Image
  • Part#:2220J0250822KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 25V C0G/NP0 2220
  • In Stock:35620
$0.956/pcsRFQ
1206Y1K00121FAR Image
  • Part#:1206Y1K00121FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1KV C0G/NP0 1206
  • In Stock:61632
$0.518/pcsRFQ
1808J0630822MDR Image
  • Part#:1808J0630822MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 63V X7R 1808
  • In Stock:100968
$0.186/pcsRFQ
1812J0630333KCR Image
  • Part#:1812J0630333KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 63V C0G/NP0 1812
  • In Stock:82546
$0.413/pcsRFQ
2220J2500680FFT Image
  • Part#:2220J2500680FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 250V C0G/NP0 2220
  • In Stock:8093
$4.082/pcsRFQ
1206J2501P40CQT Image
  • Part#:1206J2501P40CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.4PF 250V C0G/NP0 1206
  • In Stock:127225
$0.175/pcsRFQ
1812J0100333KXR Image
  • Part#:1812J0100333KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 10V X7R 1812
  • In Stock:87482
$0.238/pcsRFQ
1812J1000123JDT Image
  • Part#:1812J1000123JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 100V X7R 1812
  • In Stock:70066
$0.469/pcsRFQ
1206Y1000393KXT Image
  • Part#:1206Y1000393KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 100V X7R 1206
  • In Stock:195608
$0.102/pcsRFQ
1808J1K00121FCT Image
  • Part#:1808J1K00121FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1KV C0G/NP0 1808
  • In Stock:74666
$0.506/pcsRFQ
1812Y0500182FFR Image
  • Part#:1812Y0500182FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 50V C0G/NP0 1812
  • In Stock:24086
$1.45/pcsRFQ
1210J2500182FCR Image
  • Part#:1210J2500182FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 250V C0G/NP0 1210
  • In Stock:61406
$0.644/pcsRFQ
2225J1K50822MXT Image
  • Part#:2225J1K50822MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 1.5KV X7R 2225
  • In Stock:41813
$0.749/pcsRFQ
2225J2500820KCT Image
  • Part#:2225J2500820KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 250V C0G/NP0 2225
  • In Stock:47781
$0.819/pcsRFQ
0603Y0500822KET Image
  • Part#:0603Y0500822KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 50V X7R 0603
  • In Stock:322993
$0.07/pcsRFQ
1808Y5000271KXR Image
  • Part#:1808Y5000271KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V X7R 1808
  • In Stock:130294
$0.164/pcsRFQ
0603Y100P470BCR Image
  • Part#:0603Y100P470BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47PF 100V C0G/NP0 0603
  • In Stock:152629
$0.144/pcsRFQ
0603J0630330FCR Image
  • Part#:0603J0630330FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 63V C0G/NP0 0603
  • In Stock:117735
$0.16/pcsRFQ
1111J6300331GQT Image
  • Part#:1111J6300331GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 630V C0G/NP0 1111
  • In Stock:44438
$0.804/pcsRFQ
0805J2000201FQT Image
  • Part#:0805J2000201FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 200PF 200V C0G/NP0 0805
  • In Stock:51373
$0.753/pcsRFQ
0805Y1500240GQT Image
  • Part#:0805Y1500240GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 24PF 150V C0G/NP0 0805
  • In Stock:62706
$0.309/pcsRFQ
1206Y2000150FFR Image
  • Part#:1206Y2000150FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 200V C0G/NP0 1206
  • In Stock:69426
$0.43/pcsRFQ
1812Y0250105KDT Image
  • Part#:1812Y0250105KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1UF 25V X7R 1812
  • In Stock:51328
$0.686/pcsRFQ
0805J2000240GQT Image
  • Part#:0805J2000240GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 24PF 200V C0G/NP0 0805
  • In Stock:62412
$0.321/pcsRFQ
2220J5K00332KXR Image
  • Part#:2220J5K00332KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 5KV X7R 2220
  • In Stock:97603
$0.402/pcsRFQ
1825Y1K50270FCT Image
  • Part#:1825Y1K50270FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 1.5KV C0G/NP0 1825
  • In Stock:15468
$1.993/pcsRFQ
1210J0160332JCT Image
  • Part#:1210J0160332JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 16V C0G/NP0 1210
  • In Stock:107107
$0.19/pcsRFQ
1812J6300561MXT Image
  • Part#:1812J6300561MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 630V X7R 1812
  • In Stock:89396
$0.267/pcsRFQ
1210Y2000562KCT Image
  • Part#:1210Y2000562KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 200V C0G/NP0 1210
  • In Stock:78771
$0.297/pcsRFQ
1812J5000182KDT Image
  • Part#:1812J5000182KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 500V X7R 1812
  • In Stock:102851
$0.373/pcsRFQ
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