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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

1808J0630124JXT Image
  • Part#:1808J0630124JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 63V X7R 1808
  • In Stock:100223
$0.2/pcsRFQ
1111J5000221FUT Image
  • Part#:1111J5000221FUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 500V C0G/NP0 1111
  • In Stock:4520
 RFQ
1808J1000180KCT Image
  • Part#:1808J1000180KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 100V C0G/NP0 1808
  • In Stock:136661
$0.141/pcsRFQ
1206Y6300121JAT Image
  • Part#:1206Y6300121JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 630V C0G/NP0 1206
  • In Stock:178985
$0.133/pcsRFQ
1812J1K00273JXR Image
  • Part#:1812J1K00273JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 1KV X7R 1812
  • In Stock:62299
$0.336/pcsRFQ
0603Y1000151JDR Image
  • Part#:0603Y1000151JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 100V X7R 0603
  • In Stock:314961
$0.074/pcsRFQ
2225J1000683JDT Image
  • Part#:2225J1000683JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 100V X7R 2225
  • In Stock:31764
$1.174/pcsRFQ
1812J1000102GAT Image
  • Part#:1812J1000102GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 100V C0G/NP0 1812
  • In Stock:51123
$0.706/pcsRFQ
1825Y5000122KCT Image
  • Part#:1825Y5000122KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 500V C0G/NP0 1825
  • In Stock:55260
$0.63/pcsRFQ
2225J1K00680JFR Image
  • Part#:2225J1K00680JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 1KV C0G/NP0 2225
  • In Stock:39971
$0.915/pcsRFQ
  • Part#:0805Y0630562KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0805
  • In Stock:336725
$0.072/pcsRFQ
2225J0250123JCR Image
  • Part#:2225J0250123JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 25V C0G/NP0 2225
  • In Stock:36387
$0.92/pcsRFQ
0805Y0250184JDT Image
  • Part#:0805Y0250184JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 25V X7R 0805
  • In Stock:134908
$0.15/pcsRFQ
1825Y2500121FCT Image
  • Part#:1825Y2500121FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 250V C0G/NP0 1825
  • In Stock:9669
$3.316/pcsRFQ
1812J2K00181JCR Image
  • Part#:1812J2K00181JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 2KV C0G/NP0 1812
  • In Stock:85042
$0.264/pcsRFQ
1808Y2500224JXR Image
  • Part#:1808Y2500224JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 250V X7R 1808
  • In Stock:70399
$0.285/pcsRFQ
2225J0100682KCR Image
  • Part#:2225J0100682KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 10V C0G/NP0 2225
  • In Stock:47928
$0.826/pcsRFQ
1206J5000391MDT Image
  • Part#:1206J5000391MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V X7R 1206
  • In Stock:266443
$0.076/pcsRFQ
2220Y5000271KDT Image
  • Part#:2220Y5000271KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V X7R 2220
  • In Stock:48860
$0.748/pcsRFQ
2225Y4K00331JCR Image
  • Part#:2225Y4K00331JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 4KV C0G/NP0 2225
  • In Stock:82662
$0.471/pcsRFQ
1808Y0630471FFR Image
  • Part#:1808Y0630471FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 63V C0G/NP0 1808
  • In Stock:70171
$0.561/pcsRFQ
1812Y2000120JCT Image
  • Part#:1812Y2000120JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 200V C0G/NP0 1812
  • In Stock:99572
$0.364/pcsRFQ
  • Part#:1206Y2000123KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:294731
$0.073/pcsRFQ
1812Y2500822KXR Image
  • Part#:1812Y2500822KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 250V X7R 1812
  • In Stock:70437
$0.29/pcsRFQ
  • Part#:1825Y0630152KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:57311
$0.67/pcsRFQ
2220J3K00101KCR Image
  • Part#:2220J3K00101KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 3KV C0G/NP0 2220
  • In Stock:59465
$0.53/pcsRFQ
1210Y0500103GFT Image
  • Part#:1210Y0500103GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 50V C0G/NP0 1210
  • In Stock:63120
$0.621/pcsRFQ
1825J0250473KXT Image
  • Part#:1825J0250473KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 25V X7R 1825
  • In Stock:54215
$0.714/pcsRFQ
1812Y0500393FAR Image
  • Part#:1812Y0500393FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 50V C0G/NP0 1812
  • In Stock:11479
$2.701/pcsRFQ
2220Y0630153KFT Image
  • Part#:2220Y0630153KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 63V C0G/NP0 2220
  • In Stock:30254
$1.253/pcsRFQ
1812J0500120JCR Image
  • Part#:1812J0500120JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 50V C0G/NP0 1812
  • In Stock:70601
$0.292/pcsRFQ
1812Y2K50152KXR Image
  • Part#:1812Y2K50152KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 2.5KV X7R 1812
  • In Stock:59074
$0.324/pcsRFQ
0805Y0630681KXT Image
  • Part#:0805Y0630681KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 63V X7R 0805
  • In Stock:378882
$0.055/pcsRFQ
1206Y2500220FFT Image
  • Part#:1206Y2500220FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 250V C0G/NP0 1206
  • In Stock:84899
$0.44/pcsRFQ
1210J1K00471MDR Image
  • Part#:1210J1K00471MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1KV X7R 1210
  • In Stock:152618
$0.149/pcsRFQ
1206J0165P60BFT Image
  • Part#:1206J0165P60BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 16V C0G/NP0 1206
  • In Stock:99626
$0.362/pcsRFQ
2225Y2500683KXR Image
  • Part#:2225Y2500683KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 250V X7R 2225
  • In Stock:42268
$0.757/pcsRFQ
1206Y0102P20BCT Image
  • Part#:1206Y0102P20BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 10V C0G/NP0 1206
  • In Stock:88558
$0.255/pcsRFQ
1206Y1K20151JCT Image
  • Part#:1206Y1K20151JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1.2KV C0G/NP0 1206
  • In Stock:162914
$0.115/pcsRFQ
0603J2500150FCT Image
  • Part#:0603J2500150FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 250V C0G/NP0 0603
  • In Stock:128400
$0.178/pcsRFQ
1206J2000120KFR Image
  • Part#:1206J2000120KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 200V C0G/NP0 1206
  • In Stock:201282
$0.111/pcsRFQ
1812J0630330JAR Image
  • Part#:1812J0630330JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 63V C0G/NP0 1812
  • In Stock:53891
$0.352/pcsRFQ
1206Y0630122JXT Image
  • Part#:1206Y0630122JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 63V X7R 1206
  • In Stock:250380
$0.094/pcsRFQ
1812Y1K00391GFR Image
  • Part#:1812Y1K00391GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV C0G/NP0 1812
  • In Stock:42444
$0.811/pcsRFQ
1812Y1000121GFR Image
  • Part#:1812Y1000121GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 100V C0G/NP0 1812
  • In Stock:46236
$0.719/pcsRFQ
0505J0504P70HQT Image
  • Part#:0505J0504P70HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 50V C0G/NP0 0505
  • In Stock:54621
$0.662/pcsRFQ
2220J0500153MXT Image
  • Part#:2220J0500153MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 50V X7R 2220
  • In Stock:64746
$0.58/pcsRFQ
1808Y2500561GFR Image
  • Part#:1808Y2500561GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 250V C0G/NP0 1808
  • In Stock:69512
$0.302/pcsRFQ
1812J5000473KDR Image
  • Part#:1812J5000473KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 500V X7R 1812
  • In Stock:53107
$0.36/pcsRFQ
0805Y2500563KXR Image
  • Part#:0805Y2500563KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 250V X7R 0805
  • In Stock:250481
$0.081/pcsRFQ
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