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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

1210Y5000332MDT Image
  • Part#:1210Y5000332MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 500V X7R 1210
  • In Stock:150012
$0.147/pcsRFQ
0805J1000122KDT Image
  • Part#:0805J1000122KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 100V X7R 0805
  • In Stock:251555
$0.089/pcsRFQ
1825J0630391KCT Image
  • Part#:1825J0630391KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 63V C0G/NP0 1825
  • In Stock:57958
$0.679/pcsRFQ
1812Y5K00120FCT Image
  • Part#:1812Y5K00120FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 5KV C0G/NP0 1812
  • In Stock:49880
$0.698/pcsRFQ
2220J2000101FFR Image
  • Part#:2220J2000101FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 200V C0G/NP0 2220
  • In Stock:8607
$4.094/pcsRFQ
1808J1K20271FCT Image
  • Part#:1808J1K20271FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1.2KV C0G/NP0 1808
  • In Stock:64132
$0.571/pcsRFQ
1210Y0500562JCR Image
  • Part#:1210Y0500562JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 50V C0G/NP0 1210
  • In Stock:111102
$0.201/pcsRFQ
0603Y1000820KCT Image
  • Part#:0603Y1000820KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 100V C0G/NP0 0603
  • In Stock:457462
$0.05/pcsRFQ
1812Y1K20104KXTWS2 Image
  • Part#:1812Y1K20104KXTWS2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 1.2KV X7R 1812
  • In Stock:56658
$0.594/pcsRFQ
1825J1K20101FCR Image
  • Part#:1825J1K20101FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 1.2KV C0G/NP0 1825
  • In Stock:17762
$1.728/pcsRFQ
1812J2000221KFR Image
  • Part#:1812J2000221KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 200V C0G/NP0 1812
  • In Stock:94542
$0.388/pcsRFQ
1812J1K00182GCT Image
  • Part#:1812J1K00182GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1KV C0G/NP0 1812
  • In Stock:60482
$0.546/pcsRFQ
1812J0630183FAR Image
  • Part#:1812J0630183FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 63V C0G/NP0 1812
  • In Stock:17813
$1.745/pcsRFQ
1812J2500122JCT Image
  • Part#:1812J2500122JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 250V C0G/NP0 1812
  • In Stock:83200
$0.283/pcsRFQ
1206J0500122KDR Image
  • Part#:1206J0500122KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 50V X7R 1206
  • In Stock:223369
$0.107/pcsRFQ
2220J2500471FCR Image
  • Part#:2220J2500471FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V C0G/NP0 2220
  • In Stock:11618
$2.61/pcsRFQ
1206J0500392GFT Image
  • Part#:1206J0500392GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 50V C0G/NP0 1206
  • In Stock:72456
$0.303/pcsRFQ
2225Y0250122KFR Image
  • Part#:2225Y0250122KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 25V C0G/NP0 2225
  • In Stock:26474
$1.328/pcsRFQ
1111Y5000271JQT Image
  • Part#:1111Y5000271JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 1111
  • In Stock:90679
$0.401/pcsRFQ
1206Y0250124KDT Image
  • Part#:1206Y0250124KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 25V X7R 1206
  • In Stock:157557
$0.151/pcsRFQ
0603J0250151MXT Image
  • Part#:0603J0250151MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 25V X7R 0603
  • In Stock:440759
$0.047/pcsRFQ
1206J0500120GAT Image
  • Part#:1206J0500120GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:130162
$0.172/pcsRFQ
1210Y0250102JFR Image
  • Part#:1210Y0250102JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 25V C0G/NP0 1210
  • In Stock:70700
$0.266/pcsRFQ
1206J0160333KCT Image
  • Part#:1206J0160333KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 16V C0G/NP0 1206
  • In Stock:115210
$0.17/pcsRFQ
  • Part#:2220Y5000150JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2220
  • In Stock:53477
$0.679/pcsRFQ
1210Y2000153JXR Image
  • Part#:1210Y2000153JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 200V X7R 1210
  • In Stock:104587
$0.19/pcsRFQ
2220J0500392KCR Image
  • Part#:2220J0500392KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 50V C0G/NP0 2220
  • In Stock:53292
$0.629/pcsRFQ
1808J2500120FCT Image
  • Part#:1808J2500120FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 250V C0G/NP0 1808
  • In Stock:80977
$0.439/pcsRFQ
1808J0250823MXR Image
  • Part#:1808J0250823MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 25V X7R 1808
  • In Stock:144530
$0.13/pcsRFQ
1812Y0630390GFR Image
  • Part#:1812Y0630390GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 63V C0G/NP0 1812
  • In Stock:43586
$0.716/pcsRFQ
1206J5000473MXT Image
  • Part#:1206J5000473MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 500V X7R 1206
  • In Stock:214349
$0.11/pcsRFQ
1825J0160222JCR Image
  • Part#:1825J0160222JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 16V C0G/NP0 1825
  • In Stock:53008
$0.733/pcsRFQ
1210J2500104MXT Image
  • Part#:1210J2500104MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 250V X7R 1210
  • In Stock:89307
$0.211/pcsRFQ
1825Y2500122KCR Image
  • Part#:1825Y2500122KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 250V C0G/NP0 1825
  • In Stock:39675
$0.861/pcsRFQ
1812JA254P70DCRSY2 Image
  • Part#:1812JA254P70DCRSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 250V C0G/NP0 1812
  • In Stock:84711
$0.369/pcsRFQ
1812Y5K00150GCT Image
  • Part#:1812Y5K00150GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 5KV C0G/NP0 1812
  • In Stock:87190
$0.37/pcsRFQ
1808J5000330KDT Image
  • Part#:1808J5000330KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 500V X7R 1808
  • In Stock:102927
$0.202/pcsRFQ
  • Part#:1210Y0250100FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 25V C0G/NP0 1210
  • In Stock:47286
$0.724/pcsRFQ
1808Y1K00471KDR Image
  • Part#:1808Y1K00471KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1KV X7R 1808
  • In Stock:108569
$0.18/pcsRFQ
1812Y0250272GCR Image
  • Part#:1812Y0250272GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 25V C0G/NP0 1812
  • In Stock:66663
$0.554/pcsRFQ
0603J1000101FCR Image
  • Part#:0603J1000101FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 100V C0G/NP0 0603
  • In Stock:139048
$0.156/pcsRFQ
1210Y0630122MXT Image
  • Part#:1210Y0630122MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 63V X7R 1210
  • In Stock:166026
$0.144/pcsRFQ
1210J1K55P60CCT Image
  • Part#:1210J1K55P60CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 1.5KV C0G/NP0 1210
  • In Stock:89613
$0.222/pcsRFQ
1812J2K50271GCR Image
  • Part#:1812J2K50271GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 2.5KV C0G/NP0 1812
  • In Stock:68663
$0.543/pcsRFQ
2220J0250121FFR Image
  • Part#:2220J0250121FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 25V C0G/NP0 2220
  • In Stock:9376
$3.806/pcsRFQ
0805Y0630471KET Image
  • Part#:0805Y0630471KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 63V X7R 0805
  • In Stock:225277
$0.083/pcsRFQ
2225J0160471GFT Image
  • Part#:2225J0160471GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 16V C0G/NP0 2225
  • In Stock:14099
$2.423/pcsRFQ
  • Part#:1825J1K50122JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:52297
$0.754/pcsRFQ
1206Y6300122MXT Image
  • Part#:1206Y6300122MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 630V X7R 1206
  • In Stock:281945
$0.079/pcsRFQ
0805Y2500240KUT Image
  • Part#:0805Y2500240KUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 24PF 250V C0G/NP0 0805
  • In Stock:105207
$0.182/pcsRFQ
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