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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

2225Y3K00682MXT Image
  • Part#:2225Y3K00682MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 3KV X7R 2225
  • In Stock:35422
$1.013/pcsRFQ
1808J1K00122FCT Image
  • Part#:1808J1K00122FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 1KV C0G/NP0 1808
  • In Stock:50456
$0.709/pcsRFQ
1111Y1509P10HQT Image
  • Part#:1111Y1509P10HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 9.1PF 150V C0G/NP0 1111
  • In Stock:22478
$1.367/pcsRFQ
2220J0160273JFT Image
  • Part#:2220J0160273JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 16V C0G/NP0 2220
  • In Stock:29933
$1.273/pcsRFQ
1206J5000470KCR Image
  • Part#:1206J5000470KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 500V C0G/NP0 1206
  • In Stock:266173
$0.075/pcsRFQ
1808Y2500154KXT Image
  • Part#:1808Y2500154KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 250V X7R 1808
  • In Stock:94367
$0.206/pcsRFQ
1210J5000560JAR Image
  • Part#:1210J5000560JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 500V C0G/NP0 1210
  • In Stock:136757
$0.171/pcsRFQ
1206Y1000222JXT Image
  • Part#:1206Y1000222JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 100V X7R 1206
  • In Stock:201693
$0.096/pcsRFQ
1808Y1000181JCT Image
  • Part#:1808Y1000181JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 100V C0G/NP0 1808
  • In Stock:158548
$0.14/pcsRFQ
  • Part#:1808J0100121JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:227852
$0.104/pcsRFQ
2220J0100222FCT Image
  • Part#:2220J0100222FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 10V C0G/NP0 2220
  • In Stock:15954
$2.424/pcsRFQ
1812YA254P70DCRSY2 Image
  • Part#:1812YA254P70DCRSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 250V C0G/NP0 1812
  • In Stock:83089
$0.402/pcsRFQ
0603J100P560CCT Image
  • Part#:0603J100P560CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56PF 100V C0G/NP0 0603
  • In Stock:265150
$0.074/pcsRFQ
1111J1003P30CQT Image
  • Part#:1111J1003P30CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 100V C0G/NP0 1111
  • In Stock:72579
$0.31/pcsRFQ
0805Y1000122KFT Image
  • Part#:0805Y1000122KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 100V C0G/NP0 0805
  • In Stock:138524
$0.136/pcsRFQ
1808Y0160223MXT Image
  • Part#:1808Y0160223MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 16V X7R 1808
  • In Stock:157895
$0.143/pcsRFQ
2220J0630151JCT Image
  • Part#:2220J0630151JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 63V C0G/NP0 2220
  • In Stock:47212
$0.731/pcsRFQ
2225Y0250823KDT Image
  • Part#:2225Y0250823KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 25V X7R 2225
  • In Stock:34427
$1.136/pcsRFQ
1206Y1K00430FQT Image
  • Part#:1206Y1K00430FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 43PF 1KV C0G/NP0 1206
  • In Stock:52756
$0.732/pcsRFQ
1210J5000820KDT Image
  • Part#:1210J5000820KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 500V X7R 1210
  • In Stock:124599
$0.18/pcsRFQ
1825Y0250224JXR Image
  • Part#:1825Y0250224JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 25V X7R 1825
  • In Stock:37057
$1.034/pcsRFQ
1210Y2000820JAT Image
  • Part#:1210Y2000820JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 200V C0G/NP0 1210
  • In Stock:78400
$0.279/pcsRFQ
1808J0160273JCR Image
  • Part#:1808J0160273JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 16V C0G/NP0 1808
  • In Stock:103647
$0.201/pcsRFQ
0505Y1000181GQT Image
  • Part#:0505Y1000181GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 100V C0G/NP0 0505
  • In Stock:90881
$0.399/pcsRFQ
0805J2000123JDT Image
  • Part#:0805J2000123JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 200V X7R 0805
  • In Stock:165967
$0.118/pcsRFQ
2225Y0630183MDR Image
  • Part#:2225Y0630183MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 63V X7R 2225
  • In Stock:34149
$1.043/pcsRFQ
1206J1K00220JFR Image
  • Part#:1206J1K00220JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 1KV C0G/NP0 1206
  • In Stock:237701
$0.083/pcsRFQ
1825J1K20683KXT Image
  • Part#:1825J1K20683KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 1.2KV X7R 1825
  • In Stock:40150
$0.819/pcsRFQ
1206Y0630184JXT Image
  • Part#:1206Y0630184JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 63V X7R 1206
  • In Stock:141255
$0.145/pcsRFQ
0603J0630820JCR Image
  • Part#:0603J0630820JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 63V C0G/NP0 0603
  • In Stock:436815
$0.048/pcsRFQ
1206Y1K00391KDT Image
  • Part#:1206Y1K00391KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV X7R 1206
  • In Stock:190888
$0.121/pcsRFQ
0805J0100102FCR Image
  • Part#:0805J0100102FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 10V C0G/NP0 0805
  • In Stock:107351
$0.191/pcsRFQ
1206Y0165P60DFR Image
  • Part#:1206Y0165P60DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 16V C0G/NP0 1206
  • In Stock:184319
$0.115/pcsRFQ
0603Y0633P90CAT Image
  • Part#:0603Y0633P90CAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 63V C0G/NP0 0603
  • In Stock:221114
$0.105/pcsRFQ
1808JA250102FCRSP Image
  • Part#:1808JA250102FCRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 250V C0G/NP0 1808
  • In Stock:26826
$1.354/pcsRFQ
1808Y2500560GFR Image
  • Part#:1808Y2500560GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 250V C0G/NP0 1808
  • In Stock:69844
$0.276/pcsRFQ
1210Y0500180FCT Image
  • Part#:1210Y0500180FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 50V C0G/NP0 1210
  • In Stock:64331
$0.6/pcsRFQ
1812J0630820JFT Image
  • Part#:1812J0630820JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 63V C0G/NP0 1812
  • In Stock:97699
$0.405/pcsRFQ
1825J1K50682KXR Image
  • Part#:1825J1K50682KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 1.5KV X7R 1825
  • In Stock:58529
$0.519/pcsRFQ
1206J1K00561JXT Image
  • Part#:1206J1K00561JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1KV X7R 1206
  • In Stock:207404
$0.099/pcsRFQ
0805Y1K00560JCT Image
  • Part#:0805Y1K00560JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 1KV C0G/NP0 0805
  • In Stock:311060
$0.061/pcsRFQ
1808YA250330FCTSP Image
  • Part#:1808YA250330FCTSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 250V C0G/NP0 1808
  • In Stock:42670
$0.795/pcsRFQ
1808Y0160563KXT Image
  • Part#:1808Y0160563KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 16V X7R 1808
  • In Stock:127072
$0.147/pcsRFQ
2220Y4K00151FCT Image
  • Part#:2220Y4K00151FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 4KV C0G/NP0 2220
  • In Stock:26140
$1.241/pcsRFQ
0603Y0250180JFT Image
  • Part#:0603Y0250180JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 25V C0G/NP0 0603
  • In Stock:192582
$0.105/pcsRFQ
1206J2508P20HQT Image
  • Part#:1206J2508P20HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 250V C0G/NP0 1206
  • In Stock:34573
$0.975/pcsRFQ
2220J4K00470KCT Image
  • Part#:2220J4K00470KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 4KV C0G/NP0 2220
  • In Stock:72150
$0.262/pcsRFQ
1210Y5000681JXT Image
  • Part#:1210Y5000681JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 500V X7R 1210
  • In Stock:130368
$0.144/pcsRFQ
1825J0500473JXR Image
  • Part#:1825J0500473JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 50V X7R 1825
  • In Stock:36825
$0.849/pcsRFQ
2225Y4K00471KCR Image
  • Part#:2225Y4K00471KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 4KV C0G/NP0 2225
  • In Stock:67426
$0.447/pcsRFQ
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