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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

1812Y3K00270FCT Image
  • Part#:1812Y3K00270FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 3KV C0G/NP0 1812
  • In Stock:35671
$0.846/pcsRFQ
0805J6300562JXT Image
  • Part#:0805J6300562JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 630V X7R 0805
  • In Stock:226261
$0.096/pcsRFQ
1206J2000223MDR Image
  • Part#:1206J2000223MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 200V X7R 1206
  • In Stock:173484
$0.118/pcsRFQ
0805J2500201FUT Image
  • Part#:0805J2500201FUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 200PF 250V C0G/NP0 0805
  • In Stock:42102
$0.803/pcsRFQ
1210Y6300391JET Image
  • Part#:1210Y6300391JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 630V X7R 1210
  • In Stock:82299
$0.238/pcsRFQ
1808J0500184KDR Image
  • Part#:1808J0500184KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 50V X7R 1808
  • In Stock:85500
$0.251/pcsRFQ
2220J2500103KXR Image
  • Part#:2220J2500103KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 250V X7R 2220
  • In Stock:65948
$0.588/pcsRFQ
2211YA250181MXRSPU Image
  • Part#:2211YA250181MXRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V X7R 2211
  • In Stock:59395
$0.336/pcsRFQ
2225J0250473FCR Image
  • Part#:2225J0250473FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 25V C0G/NP0 2225
  • In Stock:9581
$4.017/pcsRFQ
0805Y1000560GFR Image
  • Part#:0805Y1000560GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 100V C0G/NP0 0805
  • In Stock:153668
$0.136/pcsRFQ
1825J2000563MXT Image
  • Part#:1825J2000563MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 200V X7R 1825
  • In Stock:55104
$0.667/pcsRFQ
2220J1000183JXR Image
  • Part#:2220J1000183JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 100V X7R 2220
  • In Stock:46826
$0.743/pcsRFQ
2225J4K00470KCR Image
  • Part#:2225J4K00470KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 4KV C0G/NP0 2225
  • In Stock:63900
$0.331/pcsRFQ
1825Y0630681KCT Image
  • Part#:1825Y0630681KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 63V C0G/NP0 1825
  • In Stock:40929
$0.859/pcsRFQ
1210Y1K00120KCT Image
  • Part#:1210Y1K00120KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1KV C0G/NP0 1210
  • In Stock:168703
$0.122/pcsRFQ
1111Y3002P20BQT Image
  • Part#:1111Y3002P20BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 300V C0G/NP0 1111
  • In Stock:66737
$0.291/pcsRFQ
0603Y0100683KXR Image
  • Part#:0603Y0100683KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 10V X7R 0603
  • In Stock:372892
$0.054/pcsRFQ
1825Y6300681JXR Image
  • Part#:1825Y6300681JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 630V X7R 1825
  • In Stock:51294
$0.77/pcsRFQ
2225J0250335MXT Image
  • Part#:2225J0250335MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3UF 25V X7R 2225
  • In Stock:35334
$1.047/pcsRFQ
2225Y1000823GCR Image
  • Part#:2225Y1000823GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 100V C0G 2225
  • In Stock:8525
$3.726/pcsRFQ
1808Y2500102JDR Image
  • Part#:1808Y2500102JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 250V X7R 1808
  • In Stock:102036
$0.214/pcsRFQ
2220J0160565KDT Image
  • Part#:2220J0160565KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6UF 16V X7R 2220
  • In Stock:16148
$1.927/pcsRFQ
2220Y4K00102KXR Image
  • Part#:2220Y4K00102KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 4KV X7R 2220
  • In Stock:61207
$0.307/pcsRFQ
0805Y0500680GAT Image
  • Part#:0805Y0500680GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 50V C0G/NP0 0805
  • In Stock:130713
$0.151/pcsRFQ
2225Y5000274MXT Image
  • Part#:2225Y5000274MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 500V X7R 2225
  • In Stock:45149
$0.861/pcsRFQ
0805J0500121JCT Image
  • Part#:0805J0500121JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 50V C0G/NP0 0805
  • In Stock:391409
$0.06/pcsRFQ
1206J2000102KCR Image
  • Part#:1206J2000102KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 200V C0G/NP0 1206
  • In Stock:215279
$0.097/pcsRFQ
2225J3K00121KCT Image
  • Part#:2225J3K00121KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 3KV C0G/NP0 2225
  • In Stock:46000
$0.669/pcsRFQ
1808Y1000561GFT Image
  • Part#:1808Y1000561GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 100V C0G/NP0 1808
  • In Stock:66061
$0.325/pcsRFQ
2220J1K20561KCT Image
  • Part#:2220J1K20561KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1.2KV C0G/NP0 2220
  • In Stock:56378
$0.541/pcsRFQ
0805J0250151KFT Image
  • Part#:0805J0250151KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 25V C0G/NP0 0805
  • In Stock:254271
$0.086/pcsRFQ
1812Y0630561JCR Image
  • Part#:1812Y0630561JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 63V C0G/NP0 1812
  • In Stock:67263
$0.285/pcsRFQ
1206J2000123MDT Image
  • Part#:1206J2000123MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 200V X7R 1206
  • In Stock:180558
$0.125/pcsRFQ
2220Y0250101JCT Image
  • Part#:2220Y0250101JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 25V C0G/NP0 2220
  • In Stock:37405
$0.869/pcsRFQ
0805J1000183KXR Image
  • Part#:0805J1000183KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 100V X7R 0805
  • In Stock:380715
$0.062/pcsRFQ
1210J1006P80CCR Image
  • Part#:1210J1006P80CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 100V C0G/NP0 1210
  • In Stock:79963
$0.248/pcsRFQ
2225Y2500564MDR Image
  • Part#:2225Y2500564MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 250V X7R 2225
  • In Stock:22102
$1.562/pcsRFQ
1206J0100680FCT Image
  • Part#:1206J0100680FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 10V C0G/NP0 1206
  • In Stock:83388
$0.279/pcsRFQ
2220Y3K00821JXR Image
  • Part#:2220Y3K00821JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 3KV X7R 2220
  • In Stock:45824
$0.66/pcsRFQ
2225Y0630123GCR Image
  • Part#:2225Y0630123GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 63V C0G/NP0 2225
  • In Stock:18873
$1.869/pcsRFQ
1206Y1K00471JDT Image
  • Part#:1206Y1K00471JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1KV X7R 1206
  • In Stock:142323
$0.149/pcsRFQ
1210Y0500122GCR Image
  • Part#:1210Y0500122GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 50V C0G/NP0 1210
  • In Stock:75486
$0.312/pcsRFQ
0603Y0630221JAT Image
  • Part#:0603Y0630221JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 63V C0G/NP0 0603
  • In Stock:231798
$0.082/pcsRFQ
1808J2K50821KXR Image
  • Part#:1808J2K50821KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 2.5KV X7R 1808
  • In Stock:144721
$0.139/pcsRFQ
1812YA250330KCTPY2 Image
  • Part#:1812YA250330KCTPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 250V C0G/NP0 1812
  • In Stock:80722
$0.379/pcsRFQ
1812J5000103KDT Image
  • Part#:1812J5000103KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 500V X7R 1812
  • In Stock:78505
$0.383/pcsRFQ
1808Y1000182MDR Image
  • Part#:1808Y1000182MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 100V X7R 1808
  • In Stock:124125
$0.17/pcsRFQ
1812Y4K00471KXR Image
  • Part#:1812Y4K00471KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 4KV X7R 1812
  • In Stock:83332
$0.264/pcsRFQ
  • Part#:0603J0633P90BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 63V C0G/NP0 0603
  • In Stock:122653
$0.177/pcsRFQ
0805J0500273JDT Image
  • Part#:0805J0500273JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 50V X7R 0805
  • In Stock:163825
$0.12/pcsRFQ
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