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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

1808Y1K50330GCR Image
  • Part#:1808Y1K50330GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 1.5KV C0G/NP0 1808
  • In Stock:96611
$0.216/pcsRFQ
0505Y0503P30HQT Image
  • Part#:0505Y0503P30HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 50V C0G/NP0 0505
  • In Stock:66901
$0.579/pcsRFQ
2220Y0250123JFT Image
  • Part#:2220Y0250123JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 25V C0G/NP0 2220
  • In Stock:25401
$1.236/pcsRFQ
2225J2000824MXR Image
  • Part#:2225J2000824MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 200V X7R 2225
  • In Stock:33955
$0.986/pcsRFQ
2220J6K00182MXT Image
  • Part#:2220J6K00182MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 6KV X7R 2220
  • In Stock:86744
$0.367/pcsRFQ
1206J5000181KDR Image
  • Part#:1206J5000181KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 500V X7R 1206
  • In Stock:218468
$0.096/pcsRFQ
2225J5000682MXR Image
  • Part#:2225J5000682MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 500V X7R 2225
  • In Stock:74530
$0.516/pcsRFQ
1808J0100391MXR Image
  • Part#:1808J0100391MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 10V X7R 1808
  • In Stock:180035
$0.11/pcsRFQ
2225Y1K00271GFT Image
  • Part#:2225Y1K00271GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1KV C0G/NP0 2225
  • In Stock:18418
$2.054/pcsRFQ
1812Y0500820JFR Image
  • Part#:1812Y0500820JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 50V C0G/NP0 1812
  • In Stock:78656
$0.458/pcsRFQ
0603J2500101JXR Image
  • Part#:0603J2500101JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V X7R 0603
  • In Stock:416827
$0.049/pcsRFQ
1812Y0500820GCT Image
  • Part#:1812Y0500820GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 50V C0G/NP0 1812
  • In Stock:52835
$0.566/pcsRFQ
2220J5000391JXT Image
  • Part#:2220J5000391JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V X7R 2220
  • In Stock:55389
$0.558/pcsRFQ
2220Y1K00333MDT Image
  • Part#:2220Y1K00333MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 1KV X7R 2220
  • In Stock:41062
$0.909/pcsRFQ
0805Y2006P80CCT Image
  • Part#:0805Y2006P80CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 200V C0G/NP0 0805
  • In Stock:223662
$0.1/pcsRFQ
2220J0630223JDT Image
  • Part#:2220J0630223JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 63V X7R 2220
  • In Stock:28589
$1.134/pcsRFQ
1808J0500394KDR Image
  • Part#:1808J0500394KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 50V X7R 1808
  • In Stock:83359
$0.244/pcsRFQ
2225J1K00561GFT Image
  • Part#:2225J1K00561GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1KV C0G/NP0 2225
  • In Stock:18591
$2.023/pcsRFQ
1206J1K00271MXR Image
  • Part#:1206J1K00271MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1KV X7R 1206
  • In Stock:342272
$0.069/pcsRFQ
2225Y1000274JDT Image
  • Part#:2225Y1000274JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 100V X7R 2225
  • In Stock:19586
$1.645/pcsRFQ
2220YA250391KXRB16 Image
  • Part#:2220YA250391KXRB16
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V X7R 2220
  • In Stock:77169
$0.409/pcsRFQ
1210J0500153FCT Image
  • Part#:1210J0500153FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 50V C0G/NP0 1210
  • In Stock:43615
$0.881/pcsRFQ
0805J0630101FQT Image
  • Part#:0805J0630101FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 63V C0G/NP0 0805
  • In Stock:53276
$0.689/pcsRFQ
2225J2000330GFT Image
  • Part#:2225J2000330GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 200V C0G/NP0 2225
  • In Stock:16971
$2.264/pcsRFQ
1206J1K00151JCR Image
  • Part#:1206J1K00151JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1KV C0G/NP0 1206
  • In Stock:217015
$0.1/pcsRFQ
  • Part#:1825J3K00221FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:16204
$1.933/pcsRFQ
1206Y0160564MXT Image
  • Part#:1206Y0160564MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 16V X7R 1206
  • In Stock:130117
$0.145/pcsRFQ
2225Y2500222FFT Image
  • Part#:2225Y2500222FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 250V C0G/NP0 2225
  • In Stock:6704
$5.886/pcsRFQ
1808J0500271MXT Image
  • Part#:1808J0500271MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 50V X7R 1808
  • In Stock:137371
$0.139/pcsRFQ
2220Y1000221JFT Image
  • Part#:2220Y1000221JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 100V C0G/NP0 2220
  • In Stock:23244
$1.29/pcsRFQ
1206J5000681GAR Image
  • Part#:1206J5000681GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 500V C0G/NP0 1206
  • In Stock:73442
$0.265/pcsRFQ
1111J5000241JUT Image
  • Part#:1111J5000241JUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 240PF 500V C0G/NP0 1111
  • In Stock:4605
 RFQ
2225Y6300823KXR Image
  • Part#:2225Y6300823KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 630V X7R 2225
  • In Stock:48200
$0.786/pcsRFQ
0805Y2000820KQT Image
  • Part#:0805Y2000820KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 200V C0G/NP0 0805
  • In Stock:101360
$0.201/pcsRFQ
1206Y2000100KAR Image
  • Part#:1206Y2000100KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 200V C0G/NP0 1206
  • In Stock:182484
$0.115/pcsRFQ
1210Y0500563MXT Image
  • Part#:1210Y0500563MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 50V X7R 1210
  • In Stock:156581
$0.148/pcsRFQ
1825J1K00221KCT Image
  • Part#:1825J1K00221KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1KV C0G/NP0 1825
  • In Stock:67735
$0.519/pcsRFQ
1825Y1000394KXT Image
  • Part#:1825Y1000394KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 100V X7R 1825
  • In Stock:43323
$0.877/pcsRFQ
2225Y0630684JDR Image
  • Part#:2225Y0630684JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 63V X7R 2225
  • In Stock:17413
$1.711/pcsRFQ
1210J0250152JFR Image
  • Part#:1210J0250152JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 25V C0G/NP0 1210
  • In Stock:81319
$0.25/pcsRFQ
1206J0630182FCR Image
  • Part#:1206J0630182FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 63V C0G/NP0 1206
  • In Stock:72079
$0.312/pcsRFQ
1206Y0250821KCT Image
  • Part#:1206Y0250821KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 25V C0G/NP0 1206
  • In Stock:257196
$0.093/pcsRFQ
2225J0630332KCT Image
  • Part#:2225J0630332KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 63V C0G/NP0 2225
  • In Stock:40575
$0.813/pcsRFQ
1111J1501P20CQT Image
  • Part#:1111J1501P20CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 150V C0G/NP0 1111
  • In Stock:81497
$0.261/pcsRFQ
1808YA250120FCRPY2 Image
  • Part#:1808YA250120FCRPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 250V C0G/NP0 1808
  • In Stock:32710
$1.101/pcsRFQ
0505Y3001P70HQT Image
  • Part#:0505Y3001P70HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.7PF 300V C0G/NP0 0505
  • In Stock:62142
$0.346/pcsRFQ
1825J0630102JCT Image
  • Part#:1825J0630102JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 63V C0G/NP0 1825
  • In Stock:49986
$0.763/pcsRFQ
1812Y2000683KDT Image
  • Part#:1812Y2000683KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 200V X7R 1812
  • In Stock:79960
$0.442/pcsRFQ
1206Y0630330FAT Image
  • Part#:1206Y0630330FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 63V C0G/NP0 1206
  • In Stock:93831
$0.411/pcsRFQ
1210J5000182JCT Image
  • Part#:1210J5000182JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 500V C0G/NP0 1210
  • In Stock:127182
$0.15/pcsRFQ
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