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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

2220Y0630331GFT Image
  • Part#:2220Y0630331GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 63V C0G/NP0 2220
  • In Stock:13460
$2.498/pcsRFQ
1206Y1K50181JCT Image
  • Part#:1206Y1K50181JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1.5KV C0G/NP0 1206
  • In Stock:147379
$0.146/pcsRFQ
1206Y1K20120KCT Image
  • Part#:1206Y1K20120KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1.2KV C0G/NP0 1206
  • In Stock:206702
$0.096/pcsRFQ
1808Y5000330GCR Image
  • Part#:1808Y5000330GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 500V C0G/NP0 1808
  • In Stock:94730
$0.218/pcsRFQ
  • Part#:2211YA250101KCRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2211
  • In Stock:69883
$0.509/pcsRFQ
2220Y1000273FCR Image
  • Part#:2220Y1000273FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 100V C0G 2220
  • In Stock:9174
$3.759/pcsRFQ
0505Y1500300KQT Image
  • Part#:0505Y1500300KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 30PF 150V C0G/NP0 0505
  • In Stock:117470
$0.161/pcsRFQ
2220J2K00222MXR Image
  • Part#:2220J2K00222MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 2KV X7R 2220
  • In Stock:89421
$0.408/pcsRFQ
1812J1K50151GCT Image
  • Part#:1812J1K50151GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1.5KV C0G/NP0 1812
  • In Stock:82565
$0.398/pcsRFQ
1206Y0631P80HQT Image
  • Part#:1206Y0631P80HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 63V C0G/NP0 1206
  • In Stock:58511
$0.338/pcsRFQ
1808J5000471FCT Image
  • Part#:1808J5000471FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 500V C0G/NP0 1808
  • In Stock:85977
$0.452/pcsRFQ
1111Y3002P10CQT Image
  • Part#:1111Y3002P10CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.1PF 300V C0G/NP0 1111
  • In Stock:70650
$0.287/pcsRFQ
2220J2K50151JCT Image
  • Part#:2220J2K50151JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 2.5KV C0G/NP0 2220
  • In Stock:71955
$0.51/pcsRFQ
0505Y0630270JQT Image
  • Part#:0505Y0630270JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 63V C0G/NP0 0505
  • In Stock:112382
$0.195/pcsRFQ
1206J1K00390GAR Image
  • Part#:1206J1K00390GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:235572
$0.083/pcsRFQ
1808YA250390GCRSP Image
  • Part#:1808YA250390GCRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 250V C0G/NP0 1808
  • In Stock:81314
$0.412/pcsRFQ
1210Y0500684KXT Image
  • Part#:1210Y0500684KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 50V X7R 1210
  • In Stock:78476
$0.29/pcsRFQ
1812Y0630333GCT Image
  • Part#:1812Y0630333GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 63V C0G/NP0 1812
  • In Stock:41103
$0.919/pcsRFQ
1206Y1001P80DFT Image
  • Part#:1206Y1001P80DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 100V C0G/NP0 1206
  • In Stock:187515
$0.12/pcsRFQ
1206J2500121KFR Image
  • Part#:1206J2500121KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 250V C0G/NP0 1206
  • In Stock:179532
$0.134/pcsRFQ
1808J0500330GCT Image
  • Part#:1808J0500330GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 50V C0G/NP0 1808
  • In Stock:102817
$0.197/pcsRFQ
2225Y0250680JFR Image
  • Part#:2225Y0250680JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 25V C0G/NP0 2225
  • In Stock:20538
$1.563/pcsRFQ
1206J1500390KQT Image
  • Part#:1206J1500390KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 150V C0G/NP0 1206
  • In Stock:125150
$0.186/pcsRFQ
2225Y0630684KXT Image
  • Part#:2225Y0630684KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 63V X7R 2225
  • In Stock:41470
$0.938/pcsRFQ
2225J5000183JXR Image
  • Part#:2225J5000183JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 500V X7R 2225
  • In Stock:49223
$0.701/pcsRFQ
0603Y200P680CCT Image
  • Part#:0603Y200P680CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68PF 200V C0G/NP0 0603
  • In Stock:256423
$0.074/pcsRFQ
2225Y0630182FCT Image
  • Part#:2225Y0630182FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 63V C0G/NP0 2225
  • In Stock:9007
$3.383/pcsRFQ
2220Y2500122FCR Image
  • Part#:2220Y2500122FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 250V C0G/NP0 2220
  • In Stock:11200
$2.788/pcsRFQ
2220Y6300222FCT Image
  • Part#:2220Y6300222FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 630V C0G/NP0 2220
  • In Stock:16233
$2.113/pcsRFQ
1210J1K00471KCT Image
  • Part#:1210J1K00471KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1KV C0G/NP0 1210
  • In Stock:151274
$0.139/pcsRFQ
2220Y0160124JFR Image
  • Part#:2220Y0160124JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 16V C0G/NP0 2220
  • In Stock:18975
$1.853/pcsRFQ
0603J1003P60DQT Image
  • Part#:0603J1003P60DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.6PF 100V C0G/NP0 0603
  • In Stock:253427
$0.093/pcsRFQ
1206J0630101JFR Image
  • Part#:1206J0630101JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 63V C0G/NP0 1206
  • In Stock:163295
$0.115/pcsRFQ
2225J1000273JDT Image
  • Part#:2225J1000273JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 100V X7R 2225
  • In Stock:25928
$1.183/pcsRFQ
1812Y6300101JCR Image
  • Part#:1812Y6300101JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 630V C0G/NP0 1812
  • In Stock:85989
$0.267/pcsRFQ
1206J0250124MDR Image
  • Part#:1206J0250124MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 25V X7R 1206
  • In Stock:149254
$0.13/pcsRFQ
1812Y1000472GAT Image
  • Part#:1812Y1000472GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V C0G/NP0 1812
  • In Stock:42214
$0.87/pcsRFQ
2225J1K50470GCR Image
  • Part#:2225J1K50470GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 1.5KV C0G/NP0 2225
  • In Stock:27004
$1.371/pcsRFQ
1812Y0500152FCR Image
  • Part#:1812Y0500152FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 50V C0G/NP0 1812
  • In Stock:32832
$0.988/pcsRFQ
1808Y1K00271JCR Image
  • Part#:1808Y1K00271JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1KV C0G/NP0 1808
  • In Stock:116280
$0.183/pcsRFQ
1812Y2K00151FCR Image
  • Part#:1812Y2K00151FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 2KV C0G/NP0 1812
  • In Stock:46778
$0.706/pcsRFQ
0805J1000183KDR Image
  • Part#:0805J1000183KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 100V X7R 0805
  • In Stock:250769
$0.091/pcsRFQ
1206Y0100221KXR Image
  • Part#:1206Y0100221KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 10V X7R 1206
  • In Stock:276418
$0.082/pcsRFQ
1210J0250392GFT Image
  • Part#:1210J0250392GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 25V C0G/NP0 1210
  • In Stock:72000
$0.494/pcsRFQ
  • Part#:1808J0250390GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 25V C0G/NP0 1808
  • In Stock:96371
$0.232/pcsRFQ
1812Y1K50271KXR Image
  • Part#:1812Y1K50271KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1.5KV X7R 1812
  • In Stock:89169
$0.26/pcsRFQ
1808J2K50471JXT Image
  • Part#:1808J2K50471JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 2.5KV X7R 1808
  • In Stock:135014
$0.178/pcsRFQ
2220J1K20270KCR Image
  • Part#:2220J1K20270KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 1.2KV C0G/NP0 2220
  • In Stock:84416
$0.447/pcsRFQ
2225J2K50220FCR Image
  • Part#:2225J2K50220FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 2.5KV C0G/NP0 2225
  • In Stock:19647
$1.851/pcsRFQ
2220J2000120FFR Image
  • Part#:2220J2000120FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 200V C0G/NP0 2220
  • In Stock:8405
$4.007/pcsRFQ
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