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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

1812J0250473GFT Image
  • Part#:1812J0250473GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 25V C0G/NP0 1812
  • In Stock:23594
$1.261/pcsRFQ
0805Y0258P20DCR Image
  • Part#:0805Y0258P20DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 25V C0G/NP0 0805
  • In Stock:400411
$0.055/pcsRFQ
1206Y6300392KXR Image
  • Part#:1206Y6300392KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 630V X7R 1206
  • In Stock:231565
$0.083/pcsRFQ
0805Y0500122MXR Image
  • Part#:0805Y0500122MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 50V X7R 0805
  • In Stock:424214
$0.047/pcsRFQ
0603J025P680BFR Image
  • Part#:0603J025P680BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68PF 25V C0G/NP0 0603
  • In Stock:132294
$0.167/pcsRFQ
1812J0100122KCR Image
  • Part#:1812J0100122KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 10V C0G/NP0 1812
  • In Stock:87278
$0.244/pcsRFQ
0603J0500910GQT Image
  • Part#:0603J0500910GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 91PF 50V C0G/NP0 0603
  • In Stock:84547
$0.278/pcsRFQ
1812Y0630680GFT Image
  • Part#:1812Y0630680GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 63V C0G/NP0 1812
  • In Stock:38514
$0.847/pcsRFQ
1206Y5000391FFR Image
  • Part#:1206Y5000391FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V C0G/NP0 1206
  • In Stock:82155
$0.464/pcsRFQ
1210J5000271JCR Image
  • Part#:1210J5000271JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 1210
  • In Stock:156994
$0.122/pcsRFQ
1206J2500101FQT Image
  • Part#:1206J2500101FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V C0G/NP0 1206
  • In Stock:42651
$0.742/pcsRFQ
1812Y0500124MXT Image
  • Part#:1812Y0500124MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 50V X7R 1812
  • In Stock:70457
$0.31/pcsRFQ
1210J2006P80DAR Image
  • Part#:1210J2006P80DAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 200V C0G/NP0 1210
  • In Stock:63765
$0.311/pcsRFQ
1812J0100180KCT Image
  • Part#:1812J0100180KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 10V C0G/NP0 1812
  • In Stock:75892
$0.307/pcsRFQ
2225J1000181FCR Image
  • Part#:2225J1000181FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 100V C0G/NP0 2225
  • In Stock:12265
$2.74/pcsRFQ
1210J2000470FCT Image
  • Part#:1210J2000470FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 200V C0G/NP0 1210
  • In Stock:62494
$0.609/pcsRFQ
0603Y050P470CCR Image
  • Part#:0603Y050P470CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47PF 50V C0G/NP0 0603
  • In Stock:306154
$0.073/pcsRFQ
0805Y1000221KET Image
  • Part#:0805Y1000221KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 100V X7R 0805
  • In Stock:267364
$0.09/pcsRFQ
0505Y1502P10DQT Image
  • Part#:0505Y1502P10DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.1PF 150V C0G/NP0 0505
  • In Stock:115749
$0.176/pcsRFQ
1210J0630102MXR Image
  • Part#:1210J0630102MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 63V X7R 1210
  • In Stock:156679
$0.136/pcsRFQ
2220J0250104KDR Image
  • Part#:2220J0250104KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 25V X7R 2220
  • In Stock:42773
$0.88/pcsRFQ
1206Y1K00391MXR Image
  • Part#:1206Y1K00391MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV X7R 1206
  • In Stock:321630
$0.073/pcsRFQ
2220J5K00221JXT Image
  • Part#:2220J5K00221JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 5KV X7R 2220
  • In Stock:66960
$0.32/pcsRFQ
2225Y1K50471JXT Image
  • Part#:2225Y1K50471JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.5KV X7R 2225
  • In Stock:28183
$1.088/pcsRFQ
  • Part#:0603Y0630270KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0603
  • In Stock:350146
$0.061/pcsRFQ
  • Part#:1808J2K00221KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:170868
$0.14/pcsRFQ
  • Part#:0805Y5000101GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0805
  • In Stock:235429
$0.088/pcsRFQ
1812Y0160473KFR Image
  • Part#:1812Y0160473KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 16V C0G/NP0 1812
  • In Stock:55013
$0.711/pcsRFQ
1210Y0506P80BFR Image
  • Part#:1210Y0506P80BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 50V C0G/NP0 1210
  • In Stock:56881
$0.583/pcsRFQ
1812J5K00331KXT Image
  • Part#:1812J5K00331KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 5KV X7R 1812
  • In Stock:87897
$0.269/pcsRFQ
1111Y2000111FQT Image
  • Part#:1111Y2000111FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 110PF 200V C0G/NP0 1111
  • In Stock:27703
$1.257/pcsRFQ
  • Part#:0603J0630470KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 63V C0G/NP0 0603
  • In Stock:620565
$0.036/pcsRFQ
1812J6K00121KCT Image
  • Part#:1812J6K00121KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 6KV C0G/NP0 1812
  • In Stock:76430
$0.263/pcsRFQ
2225J1K50100GCT Image
  • Part#:2225J1K50100GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 1.5KV C0G/NP0 2225
  • In Stock:26383
$1.349/pcsRFQ
2220Y2K50822JXR Image
  • Part#:2220Y2K50822JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 2.5KV X7R 2220
  • In Stock:33496
$0.9/pcsRFQ
2225J1000183GFT Image
  • Part#:2225J1000183GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 100V C0G 2225
  • In Stock:14300
$2.767/pcsRFQ
1111Y150P600CQT Image
  • Part#:1111Y150P600CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.6PF 150V C0G/NP0 1111
  • In Stock:81120
$0.254/pcsRFQ
0603Y063P100HQT Image
  • Part#:0603Y063P100HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1PF 63V C0G/NP0 0603
  • In Stock:174241
$0.131/pcsRFQ
0805J1000221KXT Image
  • Part#:0805J1000221KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 100V X7R 0805
  • In Stock:329739
$0.061/pcsRFQ
0805Y2000130KQT Image
  • Part#:0805Y2000130KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 13PF 200V C0G/NP0 0805
  • In Stock:146388
$0.16/pcsRFQ
2211JA250180JCRSPU Image
  • Part#:2211JA250180JCRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 250V C0G/NP0 2211
  • In Stock:71708
$0.439/pcsRFQ
0603Y063P200HQT Image
  • Part#:0603Y063P200HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.2PF 63V C0G/NP0 0603
  • In Stock:146632
$0.131/pcsRFQ
0603J0501P00DAR Image
  • Part#:0603J0501P00DAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 50V C0G/NP0 0603
  • In Stock:303268
$0.073/pcsRFQ
0505J1008P20DQT Image
  • Part#:0505J1008P20DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 100V C0G/NP0 0505
  • In Stock:117116
$0.169/pcsRFQ
1210Y6300332MER Image
  • Part#:1210Y6300332MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 630V X7R 1210
  • In Stock:146266
$0.164/pcsRFQ
0805Y250P800BUT Image
  • Part#:0805Y250P800BUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.8PF 250V C0G/NP0 0805
  • In Stock:114009
$0.189/pcsRFQ
1210Y1K50271JCT Image
  • Part#:1210Y1K50271JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1.5KV C0G/NP0 1210
  • In Stock:110273
$0.179/pcsRFQ
2220Y0160152KFR Image
  • Part#:2220Y0160152KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 16V C0G/NP0 2220
  • In Stock:35087
$1.081/pcsRFQ
1808J0100470KCT Image
  • Part#:1808J0100470KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 10V C0G/NP0 1808
  • In Stock:159202
$0.12/pcsRFQ
  • Part#:0603J0250272JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 25V X7R 0603
  • In Stock:455534
$0.044/pcsRFQ
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