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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

2225Y1K50471GCT Image
  • Part#:2225Y1K50471GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.5KV C0G/NP0 2225
  • In Stock:20362
$1.534/pcsRFQ
0805J0165P60DFT Image
  • Part#:0805J0165P60DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 16V C0G/NP0 0805
  • In Stock:238485
$0.086/pcsRFQ
1812Y1000221GFR Image
  • Part#:1812Y1000221GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 100V C0G/NP0 1812
  • In Stock:46788
$0.807/pcsRFQ
2220Y4K00391FCR Image
  • Part#:2220Y4K00391FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 4KV C0G/NP0 2220
  • In Stock:18756
$1.955/pcsRFQ
1206J0164P70CFT Image
  • Part#:1206J0164P70CFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 16V C0G/NP0 1206
  • In Stock:140158
$0.17/pcsRFQ
  • Part#:0805Y3000750FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 0805
  • In Stock:65132
$0.58/pcsRFQ
0603J2500120JCT Image
  • Part#:0603J2500120JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 250V C0G/NP0 0603
  • In Stock:440038
$0.053/pcsRFQ
1808Y0250821MXR Image
  • Part#:1808Y0250821MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 25V X7R 1808
  • In Stock:201968
$0.117/pcsRFQ
1206J200P600DQT Image
  • Part#:1206J200P600DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.6PF 200V C0G/NP0 1206
  • In Stock:134164
$0.167/pcsRFQ
1206J0162P70BCT Image
  • Part#:1206J0162P70BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 16V C0G/NP0 1206
  • In Stock:77036
$0.249/pcsRFQ
1825J2K50472JXT Image
  • Part#:1825J2K50472JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 2.5KV X7R 1825
  • In Stock:47694
$0.805/pcsRFQ
2225Y0250470GCR Image
  • Part#:2225Y0250470GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 25V C0G/NP0 2225
  • In Stock:20697
$1.833/pcsRFQ
2220YA250102KXRB16 Image
  • Part#:2220YA250102KXRB16
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 250V X7R 2220
  • In Stock:79978
$0.468/pcsRFQ
1808J0160330JDR Image
  • Part#:1808J0160330JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 16V X7R 1808
  • In Stock:111693
$0.169/pcsRFQ
1825Y0100474JCT Image
  • Part#:1825Y0100474JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 10V C0G/NP0 1825
  • In Stock:15070
$2.403/pcsRFQ
1210J1000274JXR Image
  • Part#:1210J1000274JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 100V X7R 1210
  • In Stock:72070
$0.282/pcsRFQ
2220J6K00152JXT Image
  • Part#:2220J6K00152JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 6KV X7R 2220
  • In Stock:79888
$0.473/pcsRFQ
1206Y1K00182JER Image
  • Part#:1206Y1K00182JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1KV X7R 1206
  • In Stock:119588
$0.168/pcsRFQ
1210J2000151GFR Image
  • Part#:1210J2000151GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 200V C0G/NP0 1210
  • In Stock:82326
$0.443/pcsRFQ
1825Y2000330KCT Image
  • Part#:1825Y2000330KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 200V C0G/NP0 1825
  • In Stock:34464
$0.91/pcsRFQ
1808JA250152MXRSPU Image
  • Part#:1808JA250152MXRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 250V X7R 1808
  • In Stock:76448
$0.258/pcsRFQ
1206J2500471KCT Image
  • Part#:1206J2500471KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V C0G/NP0 1206
  • In Stock:208118
$0.1/pcsRFQ
0805J0100393JXT Image
  • Part#:0805J0100393JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 10V X7R 0805
  • In Stock:232984
$0.085/pcsRFQ
1206J0100561JCR Image
  • Part#:1206J0100561JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 10V C0G/NP0 1206
  • In Stock:244482
$0.09/pcsRFQ
0805J0500472JXT Image
  • Part#:0805J0500472JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 50V X7R 0805
  • In Stock:271779
$0.074/pcsRFQ
1210Y5000152GCR Image
  • Part#:1210Y5000152GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 500V C0G/NP0 1210
  • In Stock:74261
$0.254/pcsRFQ
1825J0500272KCT Image
  • Part#:1825J0500272KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 50V C0G/NP0 1825
  • In Stock:41276
$0.73/pcsRFQ
1825J4K00470KCR Image
  • Part#:1825J4K00470KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 4KV C0G/NP0 1825
  • In Stock:80626
$0.257/pcsRFQ
1808Y0100680FCT Image
  • Part#:1808Y0100680FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 10V C0G/NP0 1808
  • In Stock:92786
$0.395/pcsRFQ
1206Y1000121GCR Image
  • Part#:1206Y1000121GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 100V C0G/NP0 1206
  • In Stock:159709
$0.151/pcsRFQ
  • Part#:0805J5000331KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V X7R 0805
  • In Stock:609911
$0.037/pcsRFQ
0805J1001P80DFT Image
  • Part#:0805J1001P80DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 100V C0G/NP0 0805
  • In Stock:267029
$0.087/pcsRFQ
1206Y0630152JCT Image
  • Part#:1206Y0630152JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 63V C0G/NP0 1206
  • In Stock:194457
$0.102/pcsRFQ
1812J0250153GCR Image
  • Part#:1812J0250153GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 25V C0G/NP0 1812
  • In Stock:56200
$0.595/pcsRFQ
0805J0500151FCR Image
  • Part#:0805J0500151FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 50V C0G/NP0 0805
  • In Stock:122145
$0.179/pcsRFQ
1206Y1502P00HQT Image
  • Part#:1206Y1502P00HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2PF 150V C0G/NP0 1206
  • In Stock:70292
$0.337/pcsRFQ
2225Y0250471KFR Image
  • Part#:2225Y0250471KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 25V C0G/NP0 2225
  • In Stock:22502
$1.467/pcsRFQ
1812J2000120FFT Image
  • Part#:1812J2000120FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 200V C0G/NP0 1812
  • In Stock:20015
$1.543/pcsRFQ
1825J2K00220FCT Image
  • Part#:1825J2K00220FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 2KV C0G/NP0 1825
  • In Stock:19636
$1.964/pcsRFQ
1206Y1500751KQT Image
  • Part#:1206Y1500751KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 750PF 150V C0G/NP0 1206
  • In Stock:67366
$0.354/pcsRFQ
2211JA250391GCRSP Image
  • Part#:2211JA250391GCRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V C0G/NP0 2211
  • In Stock:26029
$1.354/pcsRFQ
0603J0100683KXT Image
  • Part#:0603J0100683KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 10V X7R 0603
  • In Stock:416730
$0.053/pcsRFQ
0603J200P400BQT Image
  • Part#:0603J200P400BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.4PF 200V C0G/NP0 0603
  • In Stock:259387
$0.084/pcsRFQ
1808J1000820JCR Image
  • Part#:1808J1000820JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 100V C0G/NP0 1808
  • In Stock:199177
$0.118/pcsRFQ
0603J0253P90BFR Image
  • Part#:0603J0253P90BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 25V C0G/NP0 0603
  • In Stock:131600
$0.164/pcsRFQ
0805J2000270KAT Image
  • Part#:0805J2000270KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 200V C0G/NP0 0805
  • In Stock:241691
$0.083/pcsRFQ
2220Y5000821JFR Image
  • Part#:2220Y5000821JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 500V C0G/NP0 2220
  • In Stock:43729
$0.815/pcsRFQ
1206J2001P00CAR Image
  • Part#:1206J2001P00CAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 200V C0G/NP0 1206
  • In Stock:127396
$0.154/pcsRFQ
1206Y0160124JDT Image
  • Part#:1206Y0160124JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 16V X7R 1206
  • In Stock:102998
$0.186/pcsRFQ
1111Y2501P60HQT Image
  • Part#:1111Y2501P60HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.6PF 250V C0G/NP0 1111
  • In Stock:57996
$0.522/pcsRFQ
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