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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

1812J3K00221GCT Image
  • Part#:1812J3K00221GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 3KV C0G/NP0 1812
  • In Stock:62246
$0.502/pcsRFQ
1210J5000470KCR Image
  • Part#:1210J5000470KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 500V C0G/NP0 1210
  • In Stock:217671
$0.106/pcsRFQ
1210Y0506P80CCR Image
  • Part#:1210Y0506P80CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 50V C0G/NP0 1210
  • In Stock:76943
$0.255/pcsRFQ
2225Y6K00680FCT Image
  • Part#:2225Y6K00680FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 6KV C0G/NP0 2225
  • In Stock:15122
$2.189/pcsRFQ
2220Y6K00181KCR Image
  • Part#:2220Y6K00181KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 6KV C0G/NP0 2220
  • In Stock:75780
$0.392/pcsRFQ
2220J0630682FCR Image
  • Part#:2220J0630682FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 63V C0G/NP0 2220
  • In Stock:12786
$2.455/pcsRFQ
1210J6300391KCT Image
  • Part#:1210J6300391KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 630V C0G/NP0 1210
  • In Stock:185866
$0.128/pcsRFQ
2220J2K00273JXR Image
  • Part#:2220J2K00273JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 2KV X7R 2220
  • In Stock:37666
$1.016/pcsRFQ
1808J0160153JFR Image
  • Part#:1808J0160153JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 16V C0G/NP0 1808
  • In Stock:63986
$0.293/pcsRFQ
  • Part#:2220J0500125JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2220
  • In Stock:34488
$0.878/pcsRFQ
2220J5000121KFT Image
  • Part#:2220J5000121KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 500V C0G/NP0 2220
  • In Stock:45689
$0.729/pcsRFQ
1808J0500152MXT Image
  • Part#:1808J0500152MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 50V X7R 1808
  • In Stock:145513
$0.138/pcsRFQ
1812J2500562KDR Image
  • Part#:1812J2500562KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 250V X7R 1812
  • In Stock:57019
$0.363/pcsRFQ
1812Y6300561JCR Image
  • Part#:1812Y6300561JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 630V C0G/NP0 1812
  • In Stock:81249
$0.264/pcsRFQ
1206Y0250100GFR Image
  • Part#:1206Y0250100GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 25V C0G/NP0 1206
  • In Stock:103122
$0.202/pcsRFQ
  • Part#:1210Y0630561FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1210
  • In Stock:52867
$0.726/pcsRFQ
1825J0630680KCR Image
  • Part#:1825J0630680KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 63V C0G/NP0 1825
  • In Stock:52787
$0.733/pcsRFQ
1210Y1000153MDT Image
  • Part#:1210Y1000153MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 100V X7R 1210
  • In Stock:103372
$0.223/pcsRFQ
1812J5000470GCR Image
  • Part#:1812J5000470GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 500V C0G/NP0 1812
  • In Stock:73329
$0.42/pcsRFQ
1206Y1K00223KXT Image
  • Part#:1206Y1K00223KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 1KV X7R 1206
  • In Stock:194169
$0.117/pcsRFQ
2220Y0250823KXT Image
  • Part#:2220Y0250823KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 25V X7R 2220
  • In Stock:46345
$0.727/pcsRFQ
1111J2K0P900DQT Image
  • Part#:1111J2K0P900DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.9PF 2KV C0G/NP0 1111
  • In Stock:64652
$0.291/pcsRFQ
1210Y5000271JAT Image
  • Part#:1210Y5000271JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 1210
  • In Stock:93631
$0.205/pcsRFQ
2225J6300182KXR Image
  • Part#:2225J6300182KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 630V X7R 2225
  • In Stock:49771
$0.695/pcsRFQ
1808Y2K55P60BCR Image
  • Part#:1808Y2K55P60BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 2.5KV C0G/NP0 1808
  • In Stock:57809
$0.332/pcsRFQ
0805Y1000472MDT Image
  • Part#:0805Y1000472MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V X7R 0805
  • In Stock:230065
$0.087/pcsRFQ
1206J0632P70DAT Image
  • Part#:1206J0632P70DAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 63V C0G/NP0 1206
  • In Stock:171915
$0.115/pcsRFQ
0805Y2001P40DUT Image
  • Part#:0805Y2001P40DUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.4PF 200V C0G/NP0 0805
  • In Stock:129943
$0.174/pcsRFQ
1812Y1K50681MXR Image
  • Part#:1812Y1K50681MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1.5KV X7R 1812
  • In Stock:78689
$0.262/pcsRFQ
2220J1000330FCT Image
  • Part#:2220J1000330FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 100V C0G/NP0 2220
  • In Stock:15102
$2.554/pcsRFQ
1111J1501P10BQT Image
  • Part#:1111J1501P10BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.1PF 150V C0G/NP0 1111
  • In Stock:76764
$0.266/pcsRFQ
1210J0250181JFR Image
  • Part#:1210J0250181JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 25V C0G/NP0 1210
  • In Stock:89525
$0.238/pcsRFQ
  • Part#:1825Y2500473KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:58479
$0.66/pcsRFQ
1812J6300271JCR Image
  • Part#:1812J6300271JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 630V C0G/NP0 1812
  • In Stock:96645
$0.239/pcsRFQ
1210J0500680KAR Image
  • Part#:1210J0500680KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 50V C0G/NP0 1210
  • In Stock:106227
$0.223/pcsRFQ
1825J1K20182FCR Image
  • Part#:1825J1K20182FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1.2KV C0G 1825
  • In Stock:16326
$2.06/pcsRFQ
1808Y3K00680FCT Image
  • Part#:1808Y3K00680FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 3KV C0G/NP0 1808
  • In Stock:67019
$0.531/pcsRFQ
1825Y0250183JXR Image
  • Part#:1825Y0250183JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 25V X7R 1825
  • In Stock:33854
$0.973/pcsRFQ
1210Y2500222KFR Image
  • Part#:1210Y2500222KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 250V C0G/NP0 1210
  • In Stock:79369
$0.297/pcsRFQ
1206J0250473MXT Image
  • Part#:1206J0250473MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 25V X7R 1206
  • In Stock:230611
$0.083/pcsRFQ
2225J1000824KDR Image
  • Part#:2225J1000824KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 100V X7R 2225
  • In Stock:27205
$1.34/pcsRFQ
1206J0631P10DQT Image
  • Part#:1206J0631P10DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.1PF 63V C0G/NP0 1206
  • In Stock:125410
$0.171/pcsRFQ
1206J0160330JFR Image
  • Part#:1206J0160330JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 16V C0G/NP0 1206
  • In Stock:210496
$0.112/pcsRFQ
1111J2500101FQT Image
  • Part#:1111J2500101FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V C0G/NP0 1111
  • In Stock:23375
$1.287/pcsRFQ
1210Y0106P80BCT Image
  • Part#:1210Y0106P80BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 10V C0G/NP0 1210
  • In Stock:81324
$0.376/pcsRFQ
1206Y0250331GFT Image
  • Part#:1206Y0250331GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 25V C0G/NP0 1206
  • In Stock:101528
$0.237/pcsRFQ
1812J0630683KDT Image
  • Part#:1812J0630683KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 63V X7R 1812
  • In Stock:103164
$0.384/pcsRFQ
1825Y2K50330KCT Image
  • Part#:1825Y2K50330KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 2.5KV C0G/NP0 1825
  • In Stock:53654
$0.629/pcsRFQ
1210J2000560FFT Image
  • Part#:1210J2000560FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 200V C0G/NP0 1210
  • In Stock:40669
$0.9/pcsRFQ
  • Part#:1808Y1K00680JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 1KV C0G/NP0 1808
  • In Stock:106447
$0.195/pcsRFQ
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