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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

1825Y5000331FCT Image
  • Part#:1825Y5000331FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V C0G/NP0 1825
  • In Stock:11725
$2.535/pcsRFQ
2225J4K00332JXT Image
  • Part#:2225J4K00332JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 4KV X7R 2225
  • In Stock:56129
$0.594/pcsRFQ
1206Y0160330JFR Image
  • Part#:1206Y0160330JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 16V C0G/NP0 1206
  • In Stock:194403
$0.116/pcsRFQ
0805Y3007P50HQT Image
  • Part#:0805Y3007P50HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 7.5PF 300V C0G/NP0 0805
  • In Stock:55687
$0.665/pcsRFQ
0805Y2500561GFT Image
  • Part#:0805Y2500561GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 250V C0G/NP0 0805
  • In Stock:92999
$0.222/pcsRFQ
2220J1K00681KDT Image
  • Part#:2220J1K00681KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1KV X7R 2220
  • In Stock:44618
$0.689/pcsRFQ
1210J0250822GFR Image
  • Part#:1210J0250822GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 25V C0G/NP0 1210
  • In Stock:59158
$0.507/pcsRFQ
2225Y5000332KDT Image
  • Part#:2225Y5000332KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 500V X7R 2225
  • In Stock:31987
$0.997/pcsRFQ
1808J5K00270GCT Image
  • Part#:1808J5K00270GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 5KV C0G/NP0 1808
  • In Stock:69778
$0.277/pcsRFQ
2220J1K50152JXR Image
  • Part#:2220J1K50152JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 1.5KV X7R 2220
  • In Stock:62528
$0.541/pcsRFQ
1812J0100153FCT Image
  • Part#:1812J0100153FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 10V C0G/NP0 1812
  • In Stock:26095
$1.204/pcsRFQ
1206J5000221KDT Image
  • Part#:1206J5000221KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 500V X7R 1206
  • In Stock:207002
$0.104/pcsRFQ
2225J2K50470KCR Image
  • Part#:2225J2K50470KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 2.5KV C0G/NP0 2225
  • In Stock:49283
$0.619/pcsRFQ
1825Y4K00271GCR Image
  • Part#:1825Y4K00271GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 4KV C0G/NP0 1825
  • In Stock:52787
$0.722/pcsRFQ
0603J0160182GCT Image
  • Part#:0603J0160182GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 16V C0G/NP0 0603
  • In Stock:192743
$0.123/pcsRFQ
2225Y5000153MXR Image
  • Part#:2225Y5000153MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 500V X7R 2225
  • In Stock:57754
$0.555/pcsRFQ
1111Y1K06P20BQT Image
  • Part#:1111Y1K06P20BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.2PF 1KV C0G/NP0 1111
  • In Stock:55416
$0.675/pcsRFQ
0805Y2000471KAR Image
  • Part#:0805Y2000471KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 200V C0G/NP0 0805
  • In Stock:223167
$0.1/pcsRFQ
1812J5000471KCR Image
  • Part#:1812J5000471KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 500V C0G/NP0 1812
  • In Stock:85654
$0.246/pcsRFQ
1808Y0160681GCT Image
  • Part#:1808Y0160681GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 16V C0G/NP0 1808
  • In Stock:94481
$0.212/pcsRFQ
1812J1K50331MXT Image
  • Part#:1812J1K50331MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1.5KV X7R 1812
  • In Stock:80221
$0.272/pcsRFQ
1812J2500101JFR Image
  • Part#:1812J2500101JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V C0G/NP0 1812
  • In Stock:89254
$0.406/pcsRFQ
2220Y2500824KDR Image
  • Part#:2220Y2500824KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 250V X7R 2220
  • In Stock:24518
$1.585/pcsRFQ
2225Y0250564JXT Image
  • Part#:2225Y0250564JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 25V X7R 2225
  • In Stock:26752
$1.188/pcsRFQ
0603Y0250821MXR Image
  • Part#:0603Y0250821MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 25V X7R 0603
  • In Stock:474103
$0.044/pcsRFQ
0603J050P500HQT Image
  • Part#:0603J050P500HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.5PF 50V C0G/NP0 0603
  • In Stock:135125
$0.139/pcsRFQ
2220J2500390KFT Image
  • Part#:2220J2500390KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 250V C0G/NP0 2220
  • In Stock:31386
$1.071/pcsRFQ
2220Y1K50153JXT Image
  • Part#:2220Y1K50153JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 1.5KV X7R 2220
  • In Stock:33077
$0.947/pcsRFQ
1206Y1K50120KCT Image
  • Part#:1206Y1K50120KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1.5KV C0G/NP0 1206
  • In Stock:213140
$0.096/pcsRFQ
1812Y0500472GFR Image
  • Part#:1812Y0500472GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 50V C0G/NP0 1812
  • In Stock:41950
$0.811/pcsRFQ
1206J2000120FQT Image
  • Part#:1206J2000120FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 200V C0G/NP0 1206
  • In Stock:41554
$0.81/pcsRFQ
0805Y0500123MET Image
  • Part#:0805Y0500123MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 50V X7R 0805
  • In Stock:206438
$0.096/pcsRFQ
1812J0500180FCT Image
  • Part#:1812J0500180FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 50V C0G/NP0 1812
  • In Stock:31045
$1.049/pcsRFQ
1210J1000220JFR Image
  • Part#:1210J1000220JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 100V C0G/NP0 1210
  • In Stock:83770
$0.235/pcsRFQ
0603J0160561KFT Image
  • Part#:0603J0160561KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 16V C0G/NP0 0603
  • In Stock:269530
$0.089/pcsRFQ
  • Part#:0603J2000221MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 200V X7R 0603
  • In Stock:407047
$0.047/pcsRFQ
  • Part#:1808Y0160180KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 16V C0G/NP0 1808
  • In Stock:149238
$0.154/pcsRFQ
1812J0630270FFR Image
  • Part#:1812J0630270FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 63V C0G/NP0 1812
  • In Stock:32546
$1.179/pcsRFQ
2220Y5000392JFR Image
  • Part#:2220Y5000392JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 500V C0G/NP0 2220
  • In Stock:40668
$0.87/pcsRFQ
2220Y0100393KXT Image
  • Part#:2220Y0100393KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 10V X7R 2220
  • In Stock:51237
$0.724/pcsRFQ
1812Y0630152JCT Image
  • Part#:1812Y0630152JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 63V C0G/NP0 1812
  • In Stock:75056
$0.302/pcsRFQ
1111J1K01P90BQT Image
  • Part#:1111J1K01P90BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.9PF 1KV C0G/NP0 1111
  • In Stock:68651
$0.303/pcsRFQ
1206Y1000331KDT Image
  • Part#:1206Y1000331KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 100V X7R 1206
  • In Stock:183952
$0.114/pcsRFQ
2220J2500472GCT Image
  • Part#:2220J2500472GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 250V C0G/NP0 2220
  • In Stock:23329
$1.324/pcsRFQ
2225Y1K50152JXR Image
  • Part#:2225Y1K50152JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 1.5KV X7R 2225
  • In Stock:31908
$1.185/pcsRFQ
0603Y025P560BFT Image
  • Part#:0603Y025P560BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56PF 25V C0G/NP0 0603
  • In Stock:109643
$0.179/pcsRFQ
2225J2500331GCR Image
  • Part#:2225J2500331GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 250V C0G/NP0 2225
  • In Stock:25230
$1.493/pcsRFQ
1210J0160181GCT Image
  • Part#:1210J0160181GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 16V C0G/NP0 1210
  • In Stock:77710
$0.294/pcsRFQ
2225Y1K00182JDT Image
  • Part#:2225Y1K00182JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1KV X7R 2225
  • In Stock:23491
$1.351/pcsRFQ
2220J0500222KCT Image
  • Part#:2220J0500222KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 50V C0G/NP0 2220
  • In Stock:49073
$0.64/pcsRFQ
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