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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

1206Y1000182FAT Image
  • Part#:1206Y1000182FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 100V C0G/NP0 1206
  • In Stock:56550
$0.584/pcsRFQ
1808Y0100330FCT Image
  • Part#:1808Y0100330FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 10V C0G/NP0 1808
  • In Stock:79656
$0.39/pcsRFQ
1210Y0250330GCT Image
  • Part#:1210Y0250330GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 25V C0G/NP0 1210
  • In Stock:62597
$0.306/pcsRFQ
1812Y2K00472MXT Image
  • Part#:1812Y2K00472MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 2KV X7R 1812
  • In Stock:72752
$0.295/pcsRFQ
0805J250P400CQT Image
  • Part#:0805J250P400CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.4PF 250V C0G/NP0 0805
  • In Stock:126890
$0.164/pcsRFQ
1206Y0500122JCT Image
  • Part#:1206Y0500122JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 50V C0G/NP0 1206
  • In Stock:230003
$0.101/pcsRFQ
2225J1K00562JFR Image
  • Part#:2225J1K00562JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 1KV C0G/NP0 2225
  • In Stock:18256
$1.934/pcsRFQ
0805J2000430FQT Image
  • Part#:0805J2000430FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 43PF 200V C0G/NP0 0805
  • In Stock:58300
$0.547/pcsRFQ
2220Y0500561FCR Image
  • Part#:2220Y0500561FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 50V C0G/NP0 2220
  • In Stock:11375
$2.676/pcsRFQ
1210J1K53P90BCR Image
  • Part#:1210J1K53P90BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 1.5KV C0G/NP0 1210
  • In Stock:87611
$0.394/pcsRFQ
0603Y0160100FFR Image
  • Part#:0603Y0160100FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 16V C0G/NP0 0603
  • In Stock:54562
$0.349/pcsRFQ
1808Y1000271MXT Image
  • Part#:1808Y1000271MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 100V X7R 1808
  • In Stock:146058
$0.129/pcsRFQ
2220Y0160123GCR Image
  • Part#:2220Y0160123GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 16V C0G/NP0 2220
  • In Stock:24886
$1.439/pcsRFQ
2225Y1K50392FCR Image
  • Part#:2225Y1K50392FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1.5KV C0G 2225
  • In Stock:11003
$3.47/pcsRFQ
1812Y4K00561JXR Image
  • Part#:1812Y4K00561JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 4KV X7R 1812
  • In Stock:88475
$0.261/pcsRFQ
2225Y0160395MXT Image
  • Part#:2225Y0160395MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9UF 16V X7R 2225
  • In Stock:27295
$1.288/pcsRFQ
2220Y5000271FFR Image
  • Part#:2220Y5000271FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 2220
  • In Stock:12241
$3.136/pcsRFQ
1812J0250564MDT Image
  • Part#:1812J0250564MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 25V X7R 1812
  • In Stock:66033
$0.464/pcsRFQ
1808Y1K00330JCT Image
  • Part#:1808Y1K00330JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 1KV C0G/NP0 1808
  • In Stock:126638
$0.152/pcsRFQ
1206J2500680KQT Image
  • Part#:1206J2500680KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 250V C0G/NP0 1206
  • In Stock:84890
$0.239/pcsRFQ
1825J0500393KCT Image
  • Part#:1825J0500393KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 50V C0G/NP0 1825
  • In Stock:34440
$0.881/pcsRFQ
1812Y0630820FAR Image
  • Part#:1812Y0630820FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 63V C0G/NP0 1812
  • In Stock:23685
$1.503/pcsRFQ
1210Y1008P20BCT Image
  • Part#:1210Y1008P20BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 100V C0G/NP0 1210
  • In Stock:75545
$0.32/pcsRFQ
1206J0500150FAR Image
  • Part#:1206J0500150FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 50V C0G/NP0 1206
  • In Stock:76152
$0.392/pcsRFQ
1206Y0250101FFR Image
  • Part#:1206Y0250101FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 25V C0G/NP0 1206
  • In Stock:95965
$0.411/pcsRFQ
0603J0630183JXR Image
  • Part#:0603J0630183JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 63V X7R 0603
  • In Stock:336694
$0.059/pcsRFQ
0805Y2000272KXT Image
  • Part#:0805Y2000272KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 200V X7R 0805
  • In Stock:305564
$0.071/pcsRFQ
1111J2K00120FQT Image
  • Part#:1111J2K00120FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 2KV C0G/NP0 1111
  • In Stock:28147
$1.361/pcsRFQ
2220Y0500225JXR Image
  • Part#:2220Y0500225JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2UF 50V X7R 2220
  • In Stock:25702
$1.501/pcsRFQ
1206Y0500820JCR Image
  • Part#:1206Y0500820JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 50V C0G/NP0 1206
  • In Stock:302374
$0.08/pcsRFQ
0805J2001P20DFT Image
  • Part#:0805J2001P20DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 200V C0G/NP0 0805
  • In Stock:227170
$0.089/pcsRFQ
1825J0160182GCR Image
  • Part#:1825J0160182GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 16V C0G/NP0 1825
  • In Stock:28341
$1.347/pcsRFQ
1210J0250100FCT Image
  • Part#:1210J0250100FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 25V C0G/NP0 1210
  • In Stock:65533
$0.58/pcsRFQ
1210J0630681JCT Image
  • Part#:1210J0630681JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 63V C0G/NP0 1210
  • In Stock:128857
$0.165/pcsRFQ
2225Y1K50102MXT Image
  • Part#:2225Y1K50102MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1.5KV X7R 2225
  • In Stock:59432
$0.591/pcsRFQ
2225J5000330FFT Image
  • Part#:2225J5000330FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 500V C0G/NP0 2225
  • In Stock:10798
$2.947/pcsRFQ
1206J1K00681JDR Image
  • Part#:1206J1K00681JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1KV X7R 1206
  • In Stock:153617
$0.138/pcsRFQ
2225Y0250683FFR Image
  • Part#:2225Y0250683FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 25V C0G/NP0 2225
  • In Stock:4499
$6.829/pcsRFQ
1812J1K00822JDT Image
  • Part#:1812J1K00822JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 1KV X7R 1812
  • In Stock:76613
$0.485/pcsRFQ
2220Y1K00391JDT Image
  • Part#:2220Y1K00391JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1KV X7R 2220
  • In Stock:31510
$0.986/pcsRFQ
1825Y2K50330GCT Image
  • Part#:1825Y2K50330GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 2.5KV C0G/NP0 1825
  • In Stock:28523
$1.131/pcsRFQ
2225J0160821GCR Image
  • Part#:2225J0160821GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 16V C0G/NP0 2225
  • In Stock:23210
$1.562/pcsRFQ
1808J1000274MDR Image
  • Part#:1808J1000274MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 100V X7R 1808
  • In Stock:68434
$0.296/pcsRFQ
2220J5000822MXR Image
  • Part#:2220J5000822MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 500V X7R 2220
  • In Stock:82399
$0.377/pcsRFQ
1206Y1K00471KDR Image
  • Part#:1206Y1K00471KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1KV X7R 1206
  • In Stock:188040
$0.111/pcsRFQ
0805J1001P80BQT Image
  • Part#:0805J1001P80BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 100V C0G/NP0 0805
  • In Stock:123938
$0.171/pcsRFQ
1825Y1000153MXT Image
  • Part#:1825Y1000153MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 100V X7R 1825
  • In Stock:44680
$0.805/pcsRFQ
2211YA250271JCTSP Image
  • Part#:2211YA250271JCTSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 250V C0G/NP0 2211
  • In Stock:47199
$0.735/pcsRFQ
1111J2000200GQT Image
  • Part#:1111J2000200GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 20PF 200V C0G/NP0 1111
  • In Stock:49852
$0.622/pcsRFQ
1812J1K50471MXR Image
  • Part#:1812J1K50471MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.5KV X7R 1812
  • In Stock:79073
$0.238/pcsRFQ
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