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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

0603Y1001P50DQT Image
  • Part#:0603Y1001P50DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 100V C0G/NP0 0603
  • In Stock:233805
$0.089/pcsRFQ
1808J4K00120FCR Image
  • Part#:1808J4K00120FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 4KV C0G/NP0 1808
  • In Stock:73571
$0.474/pcsRFQ
1825J3K00152KXR Image
  • Part#:1825J3K00152KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 3KV X7R 1825
  • In Stock:69475
$0.545/pcsRFQ
1812Y0630151GCT Image
  • Part#:1812Y0630151GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 63V C0G/NP0 1812
  • In Stock:54440
$0.556/pcsRFQ
2225Y2500392GCR Image
  • Part#:2225Y2500392GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 250V C0G/NP0 2225
  • In Stock:15270
$1.948/pcsRFQ
1812Y2K50330JCR Image
  • Part#:1812Y2K50330JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 2.5KV C0G/NP0 1812
  • In Stock:88388
$0.269/pcsRFQ
1808YA250821FCTSPU Image
  • Part#:1808YA250821FCTSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 250V C0G/NP0 1808
  • In Stock:26579
$1.237/pcsRFQ
  • Part#:1808J0630390GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 63V C0G/NP0 1808
  • In Stock:81424
$0.233/pcsRFQ
1206J1000122MXT Image
  • Part#:1206J1000122MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 100V X7R 1206
  • In Stock:287425
$0.078/pcsRFQ
1808J0100121JCR Image
  • Part#:1808J0100121JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 10V C0G/NP0 1808
  • In Stock:196030
$0.115/pcsRFQ
1808J0250472JCR Image
  • Part#:1808J0250472JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 25V C0G/NP0 1808
  • In Stock:190193
$0.122/pcsRFQ
2220J0100334JCR Image
  • Part#:2220J0100334JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 10V C0G/NP0 2220
  • In Stock:20160
$1.809/pcsRFQ
1808JA250181GCRSY2 Image
  • Part#:1808JA250181GCRSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V C0G/NP0 1808
  • In Stock:52224
$0.629/pcsRFQ
0805Y0630393MDT Image
  • Part#:0805Y0630393MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 63V X7R 0805
  • In Stock:215830
$0.099/pcsRFQ
0505J0639P10DQT Image
  • Part#:0505J0639P10DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 9.1PF 63V C0G/NP0 0505
  • In Stock:111183
$0.176/pcsRFQ
0805Y1000680JFT Image
  • Part#:0805Y1000680JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 100V C0G/NP0 0805
  • In Stock:256989
$0.084/pcsRFQ
2225Y0630333FFT Image
  • Part#:2225Y0630333FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 63V C0G/NP0 2225
  • In Stock:5431
$6.714/pcsRFQ
2225J2000823MXR Image
  • Part#:2225J2000823MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 200V X7R 2225
  • In Stock:50852
$0.623/pcsRFQ
2225Y2000681KFT Image
  • Part#:2225Y2000681KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 200V C0G/NP0 2225
  • In Stock:21271
$1.578/pcsRFQ
1808J1K00471KFR Image
  • Part#:1808J1K00471KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1KV C0G/NP0 1808
  • In Stock:114176
$0.21/pcsRFQ
1812Y2K00560KCR Image
  • Part#:1812Y2K00560KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 2KV C0G/NP0 1812
  • In Stock:79232
$0.263/pcsRFQ
1808JA250391MXTSP Image
  • Part#:1808JA250391MXTSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V X7R 1808
  • In Stock:90261
$0.243/pcsRFQ
1210J0160682MDT Image
  • Part#:1210J0160682MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 16V X7R 1210
  • In Stock:99898
$0.214/pcsRFQ
2220Y2000183FCT Image
  • Part#:2220Y2000183FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 200V C0G 2220
  • In Stock:9129
$3.662/pcsRFQ
1210J0250182KCR Image
  • Part#:1210J0250182KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 25V C0G/NP0 1210
  • In Stock:151311
$0.158/pcsRFQ
1210Y5000680GAT Image
  • Part#:1210Y5000680GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 500V C0G/NP0 1210
  • In Stock:74813
$0.321/pcsRFQ
1812J0250824MXRE03 Image
  • Part#:1812J0250824MXRE03
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 25V X7R 1812
  • In Stock:66994
$0.558/pcsRFQ
1210Y2500103KXR Image
  • Part#:1210Y2500103KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 250V X7R 1210
  • In Stock:130455
$0.154/pcsRFQ
0805J2000151JCT Image
  • Part#:0805J2000151JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 200V C0G/NP0 0805
  • In Stock:238365
$0.08/pcsRFQ
1808Y0250560GFT Image
  • Part#:1808Y0250560GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 25V C0G/NP0 1808
  • In Stock:76689
$0.304/pcsRFQ
2220J0160272GCR Image
  • Part#:2220J0160272GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 16V C0G/NP0 2220
  • In Stock:28683
$1.194/pcsRFQ
2225Y0630154GCT Image
  • Part#:2225Y0630154GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 63V C0G/NP0 2225
  • In Stock:9894
$3.39/pcsRFQ
1812J0100683KCR Image
  • Part#:1812J0100683KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 10V C0G/NP0 1812
  • In Stock:82604
$0.46/pcsRFQ
1808J0630822JCR Image
  • Part#:1808J0630822JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 63V C0G/NP0 1808
  • In Stock:145387
$0.146/pcsRFQ
1210Y2500122MXR Image
  • Part#:1210Y2500122MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 250V X7R 1210
  • In Stock:136367
$0.147/pcsRFQ
2220Y0100122JCR Image
  • Part#:2220Y0100122JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 10V C0G/NP0 2220
  • In Stock:43912
$0.745/pcsRFQ
1808Y0630152JXT Image
  • Part#:1808Y0630152JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 63V X7R 1808
  • In Stock:119334
$0.184/pcsRFQ
1206Y1K00331MDR Image
  • Part#:1206Y1K00331MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1KV X7R 1206
  • In Stock:207773
$0.104/pcsRFQ
1210Y6300471MET Image
  • Part#:1210Y6300471MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 630V X7R 1210
  • In Stock:139433
$0.172/pcsRFQ
1812Y0630224JXR Image
  • Part#:1812Y0630224JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 63V X7R 1812
  • In Stock:95407
$0.387/pcsRFQ
1825J0160100KCT Image
  • Part#:1825J0160100KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 16V C0G/NP0 1825
  • In Stock:45292
$0.756/pcsRFQ
2225Y0250103JCR Image
  • Part#:2225Y0250103JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 25V C0G/NP0 2225
  • In Stock:34911
$1.018/pcsRFQ
1808Y0500273KXR Image
  • Part#:1808Y0500273KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 50V X7R 1808
  • In Stock:173221
$0.131/pcsRFQ
  • Part#:2225Y5000120GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:16557
$1.799/pcsRFQ
0603Y0100183MXT Image
  • Part#:0603Y0100183MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 10V X7R 0603
  • In Stock:471872
$0.048/pcsRFQ
2225J6300104JXT Image
  • Part#:2225J6300104JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 630V X7R 2225
  • In Stock:37979
$0.904/pcsRFQ
0805Y063P300BQT Image
  • Part#:0805Y063P300BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.3PF 63V C0G/NP0 0805
  • In Stock:137917
$0.159/pcsRFQ
1206Y3003P30CQT Image
  • Part#:1206Y3003P30CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 300V C0G/NP0 1206
  • In Stock:113774
$0.18/pcsRFQ
1808Y2000151KFR Image
  • Part#:1808Y2000151KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 200V C0G/NP0 1808
  • In Stock:134134
$0.17/pcsRFQ
0603Y0160392MDT Image
  • Part#:0603Y0160392MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 16V X7R 0603
  • In Stock:344156
$0.07/pcsRFQ
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