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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

1111J2K00130KQT Image
  • Part#:1111J2K00130KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 13PF 2KV C0G/NP0 1111
  • In Stock:55475
$0.34/pcsRFQ
2225J2K00562KXT Image
  • Part#:2225J2K00562KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 2KV X7R 2225
  • In Stock:53718
$0.617/pcsRFQ
0603J0630273MDR Image
  • Part#:0603J0630273MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 63V X7R 0603
  • In Stock:303689
$0.073/pcsRFQ
0603J2500680GUT Image
  • Part#:0603J2500680GUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 250V C0G/NP0 0603
  • In Stock:67122
$0.331/pcsRFQ
1206Y5000473KJT Image
  • Part#:1206Y5000473KJT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 500V X7R 1206
  • In Stock:173045
$0.113/pcsRFQ
1825Y0250181GCR Image
  • Part#:1825Y0250181GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 25V C0G/NP0 1825
  • In Stock:25015
$1.56/pcsRFQ
1808J2500180FCR Image
  • Part#:1808J2500180FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 250V C0G/NP0 1808
  • In Stock:90009
$0.409/pcsRFQ
2225J1K50683JXT Image
  • Part#:2225J1K50683JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 1.5KV X7R 2225
  • In Stock:23032
$1.459/pcsRFQ
0603J2500470JCR Image
  • Part#:0603J2500470JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 250V C0G/NP0 0603
  • In Stock:404276
$0.052/pcsRFQ
1808JA250821KXTPY2 Image
  • Part#:1808JA250821KXTPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 250V X7R 1808
  • In Stock:92767
$0.422/pcsRFQ
1812J0630822KFR Image
  • Part#:1812J0630822KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 63V C0G/NP0 1812
  • In Stock:91207
$0.418/pcsRFQ
2225Y0250391GFT Image
  • Part#:2225Y0250391GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 2225
  • In Stock:11364
$2.821/pcsRFQ
1812J0500220JCT Image
  • Part#:1812J0500220JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 50V C0G/NP0 1812
  • In Stock:84873
$0.283/pcsRFQ
1206Y0160563KXT Image
  • Part#:1206Y0160563KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 16V X7R 1206
  • In Stock:265863
$0.089/pcsRFQ
0805Y1000181KXT Image
  • Part#:0805Y1000181KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 100V X7R 0805
  • In Stock:348290
$0.065/pcsRFQ
  • Part#:1825Y1000561KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:53145
$0.671/pcsRFQ
1812Y5000103MDT Image
  • Part#:1812Y5000103MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 500V X7R 1812
  • In Stock:87091
$0.415/pcsRFQ
1111J100P400HQT Image
  • Part#:1111J100P400HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.4PF 100V C0G/NP0 1111
  • In Stock:68816
$0.494/pcsRFQ
1210Y1000122GCT Image
  • Part#:1210Y1000122GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 100V C0G/NP0 1210
  • In Stock:64082
$0.337/pcsRFQ
1210Y1K50331KXR Image
  • Part#:1210Y1K50331KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1.5KV X7R 1210
  • In Stock:169159
$0.121/pcsRFQ
0505Y1000820KQT Image
  • Part#:0505Y1000820KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 100V C0G/NP0 0505
  • In Stock:114730
$0.177/pcsRFQ
1206Y5000221GQT Image
  • Part#:1206Y5000221GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 500V C0G/NP0 1206
  • In Stock:62898
$0.35/pcsRFQ
2225Y5000824KDR Image
  • Part#:2225Y5000824KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 500V X7R 2225
  • In Stock:14322
$2.722/pcsRFQ
1812J0100225MXR Image
  • Part#:1812J0100225MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2UF 10V X7R 1812
  • In Stock:71120
$0.465/pcsRFQ
0805Y1000181JQT Image
  • Part#:0805Y1000181JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 100V C0G/NP0 0805
  • In Stock:82365
$0.235/pcsRFQ
1808Y0250391MXR Image
  • Part#:1808Y0250391MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V X7R 1808
  • In Stock:172399
$0.113/pcsRFQ
2220J1K00391KFR Image
  • Part#:2220J1K00391KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV C0G/NP0 2220
  • In Stock:45640
$0.749/pcsRFQ
2225Y0250122FCT Image
  • Part#:2225Y0250122FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 25V C0G/NP0 2225
  • In Stock:10009
$3.406/pcsRFQ
2220Y2000684MDR Image
  • Part#:2220Y2000684MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 200V X7R 2220
  • In Stock:23549
$1.369/pcsRFQ
0805Y0500183KXT Image
  • Part#:0805Y0500183KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 50V X7R 0805
  • In Stock:307206
$0.073/pcsRFQ
0805Y2000331JCT Image
  • Part#:0805Y2000331JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 200V C0G/NP0 0805
  • In Stock:289452
$0.084/pcsRFQ
1206Y2500390JQT Image
  • Part#:1206Y2500390JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 250V C0G/NP0 1206
  • In Stock:111756
$0.185/pcsRFQ
1206J0160181KFR Image
  • Part#:1206J0160181KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 16V C0G/NP0 1206
  • In Stock:176435
$0.117/pcsRFQ
1206Y2508P20BCR Image
  • Part#:1206Y2508P20BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 250V C0G/NP0 1206
  • In Stock:99086
$0.229/pcsRFQ
2225Y1K50180GCT Image
  • Part#:2225Y1K50180GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1.5KV C0G/NP0 2225
  • In Stock:21696
$1.512/pcsRFQ
1206Y0630152GAT Image
  • Part#:1206Y0630152GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 63V C0G/NP0 1206
  • In Stock:71760
$0.264/pcsRFQ
1808JA250181KXTSY2 Image
  • Part#:1808JA250181KXTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V X7R 1808
  • In Stock:89718
$0.256/pcsRFQ
  • Part#:1206Y2000180JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:198804
$0.101/pcsRFQ
2225Y2K00391MXR Image
  • Part#:2225Y2K00391MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 2KV X7R 2225
  • In Stock:56731
$0.629/pcsRFQ
2220Y2K50272JXR Image
  • Part#:2220Y2K50272JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 2.5KV X7R 2220
  • In Stock:47296
$0.772/pcsRFQ
1206J0250331KCT Image
  • Part#:1206J0250331KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 25V C0G/NP0 1206
  • In Stock:250176
$0.085/pcsRFQ
2220J2K00560FCT Image
  • Part#:2220J2K00560FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 2KV C0G/NP0 2220
  • In Stock:17005
$1.772/pcsRFQ
1812Y2500103KXR Image
  • Part#:1812Y2500103KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 250V X7R 1812
  • In Stock:68505
$0.291/pcsRFQ
1808J0100333FCT Image
  • Part#:1808J0100333FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 10V C0G/NP0 1808
  • In Stock:41526
$0.792/pcsRFQ
1808J0630684KDR Image
  • Part#:1808J0630684KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 63V X7R 1808
  • In Stock:62904
$0.302/pcsRFQ
1808J1K00470FCT Image
  • Part#:1808J1K00470FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 1KV C0G/NP0 1808
  • In Stock:66828
$0.486/pcsRFQ
1210Y0630182JDT Image
  • Part#:1210Y0630182JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 63V X7R 1210
  • In Stock:71856
$0.284/pcsRFQ
1206J5000820GFT Image
  • Part#:1206J5000820GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 500V C0G/NP0 1206
  • In Stock:92764
$0.208/pcsRFQ
0805Y0160560JFR Image
  • Part#:0805Y0160560JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 16V C0G/NP0 0805
  • In Stock:260383
$0.076/pcsRFQ
1808Y5K00221MXT Image
  • Part#:1808Y5K00221MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 5KV X7R 1808
  • In Stock:111782
$0.168/pcsRFQ
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