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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

1210Y0500121KAT Image
  • Part#:1210Y0500121KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 50V C0G/NP0 1210
  • In Stock:77280
$0.249/pcsRFQ
1111Y2506P80DQT Image
  • Part#:1111Y2506P80DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 250V C0G/NP0 1111
  • In Stock:67680
$0.319/pcsRFQ
1808Y6K00151KXT Image
  • Part#:1808Y6K00151KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 6KV X7R 1808
  • In Stock:114079
$0.179/pcsRFQ
1812Y0630822GFR Image
  • Part#:1812Y0630822GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 63V C0G/NP0 1812
  • In Stock:40171
$0.874/pcsRFQ
1210Y1K00271KFR Image
  • Part#:1210Y1K00271KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1KV C0G/NP0 1210
  • In Stock:97762
$0.204/pcsRFQ
1206J3002P00DQT Image
  • Part#:1206J3002P00DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2PF 300V C0G/NP0 1206
  • In Stock:135792
$0.175/pcsRFQ
2225Y5000152GCT Image
  • Part#:2225Y5000152GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 500V C0G/NP0 2225
  • In Stock:26155
$1.428/pcsRFQ
0603J0500331MXT Image
  • Part#:0603J0500331MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 50V X7R 0603
  • In Stock:417231
$0.045/pcsRFQ
1206J0630510KQT Image
  • Part#:1206J0630510KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 51PF 63V C0G/NP0 1206
  • In Stock:110110
$0.192/pcsRFQ
1825J5K00820JCT Image
  • Part#:1825J5K00820JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 5KV C0G/NP0 1825
  • In Stock:59538
$0.323/pcsRFQ
1206J2503P60CQT Image
  • Part#:1206J2503P60CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.6PF 250V C0G/NP0 1206
  • In Stock:90911
$0.209/pcsRFQ
0603Y0630620FQT Image
  • Part#:0603Y0630620FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 62PF 63V C0G/NP0 0603
  • In Stock:65444
$0.315/pcsRFQ
1206J2503P30DQT Image
  • Part#:1206J2503P30DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 250V C0G/NP0 1206
  • In Stock:133220
$0.174/pcsRFQ
0805J2000330JFR Image
  • Part#:0805J2000330JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 200V C0G/NP0 0805
  • In Stock:252565
$0.08/pcsRFQ
1812Y2000123MXR Image
  • Part#:1812Y2000123MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 200V X7R 1812
  • In Stock:68288
$0.275/pcsRFQ
2225J1K20101KCR Image
  • Part#:2225J1K20101KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 1.2KV C0G/NP0 2225
  • In Stock:45474
$0.722/pcsRFQ
1825J2K50181KCT Image
  • Part#:1825J2K50181KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 2.5KV C0G/NP0 1825
  • In Stock:70683
$0.549/pcsRFQ
1206Y0630331KCR Image
  • Part#:1206Y0630331KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 63V C0G/NP0 1206
  • In Stock:235418
$0.081/pcsRFQ
2220Y0500180FCT Image
  • Part#:2220Y0500180FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 50V C0G/NP0 2220
  • In Stock:11022
$2.824/pcsRFQ
1206Y0500333JET Image
  • Part#:1206Y0500333JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V X7R 1206
  • In Stock:137895
$0.158/pcsRFQ
0805J2000561FFT Image
  • Part#:0805J2000561FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 200V C0G/NP0 0805
  • In Stock:80836
$0.406/pcsRFQ
0805J0630561FAR Image
  • Part#:0805J0630561FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 63V C0G/NP0 0805
  • In Stock:73005
$0.284/pcsRFQ
2225J1K00471KCR Image
  • Part#:2225J1K00471KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1KV C0G/NP0 2225
  • In Stock:42658
$0.721/pcsRFQ
2220J3K00471KXR Image
  • Part#:2220J3K00471KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 3KV X7R 2220
  • In Stock:79639
$0.453/pcsRFQ
1808J0160390KFR Image
  • Part#:1808J0160390KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 16V C0G/NP0 1808
  • In Stock:141176
$0.161/pcsRFQ
2220J1K20822KXR Image
  • Part#:2220J1K20822KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 1.2KV X7R 2220
  • In Stock:59099
$0.507/pcsRFQ
2225Y1000121GCR Image
  • Part#:2225Y1000121GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 100V C0G/NP0 2225
  • In Stock:23431
$1.529/pcsRFQ
1812Y2000103JDT Image
  • Part#:1812Y2000103JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 200V X7R 1812
  • In Stock:63703
$0.555/pcsRFQ
1210J0250271JFR Image
  • Part#:1210J0250271JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 25V C0G/NP0 1210
  • In Stock:82923
$0.243/pcsRFQ
  • Part#:0805Y0500101JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0805
  • In Stock:347991
$0.069/pcsRFQ
1111Y1500911KQT Image
  • Part#:1111Y1500911KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 910PF 150V C0G/NP0 1111
  • In Stock:72366
$0.423/pcsRFQ
1206J0250332MXT Image
  • Part#:1206J0250332MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 25V X7R 1206
  • In Stock:247290
$0.076/pcsRFQ
2225J0630680GCT Image
  • Part#:2225J0630680GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 63V C0G/NP0 2225
  • In Stock:26112
$1.413/pcsRFQ
2225J2500100FCT Image
  • Part#:2225J2500100FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 250V C0G/NP0 2225
  • In Stock:11031
$3.08/pcsRFQ
1111Y6300181GQT Image
  • Part#:1111Y6300181GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 630V C0G/NP0 1111
  • In Stock:54475
$0.684/pcsRFQ
1812J0500823FCT Image
  • Part#:1812J0500823FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 50V C0G/NP0 1812
  • In Stock:12865
$2.656/pcsRFQ
  • Part#:1808J0630101KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:267151
$0.09/pcsRFQ
1825J1000683KXT Image
  • Part#:1825J1000683KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 100V X7R 1825
  • In Stock:53995
$0.709/pcsRFQ
2220J5000150KCT Image
  • Part#:2220J5000150KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 500V C0G/NP0 2220
  • In Stock:76090
$0.51/pcsRFQ
1206J2500150KCR Image
  • Part#:1206J2500150KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 250V C0G/NP0 1206
  • In Stock:256563
$0.081/pcsRFQ
2220J0500153KFT Image
  • Part#:2220J0500153KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 50V C0G/NP0 2220
  • In Stock:34542
$1.078/pcsRFQ
1812J2K00392JXR Image
  • Part#:1812J2K00392JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 2KV X7R 1812
  • In Stock:78497
$0.3/pcsRFQ
  • Part#:1808J0630181JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:195814
$0.105/pcsRFQ
0805J2502P20DCT Image
  • Part#:0805J2502P20DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 250V C0G/NP0 0805
  • In Stock:368384
$0.062/pcsRFQ
1808J0250393JCR Image
  • Part#:1808J0250393JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 25V C0G/NP0 1808
  • In Stock:80923
$0.295/pcsRFQ
  • Part#:0805J0632P40DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.4PF 63V C0G/NP0 0805
  • In Stock:156804
$0.141/pcsRFQ
1111J2507P50DQT Image
  • Part#:1111J2507P50DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 7.5PF 250V C0G/NP0 1111
  • In Stock:60940
$0.318/pcsRFQ
1812J0500392GCT Image
  • Part#:1812J0500392GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 50V C0G/NP0 1812
  • In Stock:67521
$0.496/pcsRFQ
0603J100P470CFT Image
  • Part#:0603J100P470CFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47PF 100V C0G/NP0 0603
  • In Stock:211867
$0.103/pcsRFQ
1206Y6300102KER Image
  • Part#:1206Y6300102KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 630V X7R 1206
  • In Stock:195447
$0.101/pcsRFQ
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