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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

1812J5000391KAT Image
  • Part#:1812J5000391KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V C0G/NP0 1812
  • In Stock:86752
$0.367/pcsRFQ
1206J2500511KQT Image
  • Part#:1206J2500511KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 510PF 250V C0G/NP0 1206
  • In Stock:66923
$0.33/pcsRFQ
1206J2000183MXT Image
  • Part#:1206J2000183MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 200V X7R 1206
  • In Stock:225614
$0.085/pcsRFQ
1206Y3000331JQT Image
  • Part#:1206Y3000331JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 300V C0G/NP0 1206
  • In Stock:73880
$0.268/pcsRFQ
1812Y0500151FCR Image
  • Part#:1812Y0500151FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 50V C0G/NP0 1812
  • In Stock:38937
$0.966/pcsRFQ
1210J5000561GFT Image
  • Part#:1210J5000561GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 500V C0G/NP0 1210
  • In Stock:70119
$0.343/pcsRFQ
1812J0250102FCT Image
  • Part#:1812J0250102FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 25V C0G/NP0 1812
  • In Stock:44206
$0.889/pcsRFQ
1808Y2500121GCR Image
  • Part#:1808Y2500121GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 250V C0G/NP0 1808
  • In Stock:123414
$0.191/pcsRFQ
1808Y0250101FCT Image
  • Part#:1808Y0250101FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 25V C0G/NP0 1808
  • In Stock:91389
$0.395/pcsRFQ
0805Y1500750KQT Image
  • Part#:0805Y1500750KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 75PF 150V C0G/NP0 0805
  • In Stock:97689
$0.193/pcsRFQ
1825Y0630680JCT Image
  • Part#:1825Y0630680JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 63V C0G/NP0 1825
  • In Stock:41940
$0.914/pcsRFQ
0505J1509P10CQT Image
  • Part#:0505J1509P10CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 9.1PF 150V C0G/NP0 0505
  • In Stock:72132
$0.272/pcsRFQ
2220Y2500101KFR Image
  • Part#:2220Y2500101KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V C0G/NP0 2220
  • In Stock:25903
$1.2/pcsRFQ
  • Part#:0603Y0630150KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0603
  • In Stock:382360
$0.058/pcsRFQ
2225Y0250681GFR Image
  • Part#:2225Y0250681GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 25V C0G/NP0 2225
  • In Stock:15100
$2.613/pcsRFQ
2225J0250120KCT Image
  • Part#:2225J0250120KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 25V C0G/NP0 2225
  • In Stock:44203
$0.863/pcsRFQ
1812J0500562FCR Image
  • Part#:1812J0500562FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 50V C0G/NP0 1812
  • In Stock:32109
$0.999/pcsRFQ
1825J6300222JXT Image
  • Part#:1825J6300222JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 630V X7R 1825
  • In Stock:49517
$0.697/pcsRFQ
1825Y6300103KXR Image
  • Part#:1825Y6300103KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 630V X7R 1825
  • In Stock:59490
$0.642/pcsRFQ
2220J4K00120JCT Image
  • Part#:2220J4K00120JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 4KV C0G/NP0 2220
  • In Stock:87541
$0.274/pcsRFQ
1210J0100271JCT Image
  • Part#:1210J0100271JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 10V C0G/NP0 1210
  • In Stock:139459
$0.168/pcsRFQ
1210J1000153MDT Image
  • Part#:1210J1000153MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 100V X7R 1210
  • In Stock:108497
$0.214/pcsRFQ
1210J0100183KXR Image
  • Part#:1210J0100183KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 10V X7R 1210
  • In Stock:164466
$0.144/pcsRFQ
1206J0632P70BCT Image
  • Part#:1206J0632P70BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 63V C0G/NP0 1206
  • In Stock:85873
$0.254/pcsRFQ
1206Y1K50392JXT Image
  • Part#:1206Y1K50392JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1.5KV X7R 1206
  • In Stock:100424
$0.223/pcsRFQ
0805Y0630152JXT Image
  • Part#:0805Y0630152JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 63V X7R 0805
  • In Stock:297687
$0.069/pcsRFQ
1808YA250561GCRSP Image
  • Part#:1808YA250561GCRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 250V C0G/NP0 1808
  • In Stock:72144
$0.538/pcsRFQ
1825J4K00100GCR Image
  • Part#:1825J4K00100GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 4KV C0G/NP0 1825
  • In Stock:68206
$0.481/pcsRFQ
1808Y0630221FFT Image
  • Part#:1808Y0630221FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 63V C0G/NP0 1808
  • In Stock:63099
$0.582/pcsRFQ
0603J0250331KDR Image
  • Part#:0603J0250331KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 25V X7R 0603
  • In Stock:381698
$0.06/pcsRFQ
1206Y0630683MDT Image
  • Part#:1206Y0630683MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 63V X7R 1206
  • In Stock:191900
$0.125/pcsRFQ
1808YA250271JXRSY2 Image
  • Part#:1808YA250271JXRSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 250V X7R 1808
  • In Stock:79504
$0.302/pcsRFQ
1210J1000183KCR Image
  • Part#:1210J1000183KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 100V C0G 1210
  • In Stock:59011
$0.339/pcsRFQ
  • Part#:1825Y2K00182JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:48587
$0.666/pcsRFQ
1808J0630683JXT Image
  • Part#:1808J0630683JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 63V X7R 1808
  • In Stock:126810
$0.176/pcsRFQ
0805Y1000153MXRE03 Image
  • Part#:0805Y1000153MXRE03
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 100V X7R 0805
  • In Stock:116594
$0.206/pcsRFQ
1808J1K00561GFR Image
  • Part#:1808J1K00561GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1KV C0G/NP0 1808
  • In Stock:101710
$0.378/pcsRFQ
2220J0160184JCT Image
  • Part#:2220J0160184JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 16V C0G/NP0 2220
  • In Stock:29804
$1.315/pcsRFQ
1206Y0630121FCT Image
  • Part#:1206Y0630121FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 1206
  • In Stock:75953
$0.308/pcsRFQ
2225J0160565MDT Image
  • Part#:2225J0160565MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6UF 16V X7R 2225
  • In Stock:18705
$1.864/pcsRFQ
2211YA250680KCRSP Image
  • Part#:2211YA250680KCRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 250V C0G/NP0 2211
  • In Stock:63152
$0.55/pcsRFQ
1808Y0250394JXR Image
  • Part#:1808Y0250394JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 25V X7R 1808
  • In Stock:99102
$0.213/pcsRFQ
1210Y1000123JAT Image
  • Part#:1210Y1000123JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER .012UF 100V C0G/NP0 1210
  • In Stock:67322
$0.45/pcsRFQ
0805J5004P70CCT Image
  • Part#:0805J5004P70CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 500V C0G/NP0 0805
  • In Stock:215300
$0.091/pcsRFQ
1825J1K00391KCT Image
  • Part#:1825J1K00391KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV C0G/NP0 1825
  • In Stock:66728
$0.577/pcsRFQ
2220Y1000125KDT Image
  • Part#:2220Y1000125KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2UF 100V X7R 2220
  • In Stock:24964
$1.452/pcsRFQ
1825J0630823JCT Image
  • Part#:1825J0630823JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 63V C0G/NP0 1825
  • In Stock:26100
$1.287/pcsRFQ
0603J025P470DFT Image
  • Part#:0603J025P470DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47PF 25V C0G/NP0 0603
  • In Stock:261975
$0.087/pcsRFQ
1808Y1K20471JXT Image
  • Part#:1808Y1K20471JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.2KV X7R 1808
  • In Stock:108079
$0.177/pcsRFQ
1812Y2000563KDT Image
  • Part#:1812Y2000563KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 200V X7R 1812
  • In Stock:86385
$0.452/pcsRFQ
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