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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

1210Y1K50680FCR Image
  • Part#:1210Y1K50680FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 1.5KV C0G/NP0 1210
  • In Stock:79488
$0.436/pcsRFQ
1210J0630391FFR Image
  • Part#:1210J0630391FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 63V C0G/NP0 1210
  • In Stock:43890
$0.837/pcsRFQ
1825Y0630223FCT Image
  • Part#:1825Y0630223FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 63V C0G/NP0 1825
  • In Stock:10315
$3.681/pcsRFQ
1825J2500333MXT Image
  • Part#:1825J2500333MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 250V X7R 1825
  • In Stock:52936
$0.671/pcsRFQ
1111J1K02P70DQT Image
  • Part#:1111J1K02P70DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 1KV C0G/NP0 1111
  • In Stock:76654
$0.293/pcsRFQ
2211JA250181JCRSP Image
  • Part#:2211JA250181JCRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V C0G/NP0 2211
  • In Stock:45144
$0.68/pcsRFQ
1210J1K20680GCR Image
  • Part#:1210J1K20680GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 1.2KV C0G/NP0 1210
  • In Stock:97723
$0.22/pcsRFQ
1808J0630150JFT Image
  • Part#:1808J0630150JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 63V C0G/NP0 1808
  • In Stock:105336
$0.211/pcsRFQ
0603J2000910JQT Image
  • Part#:0603J2000910JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 91PF 200V C0G/NP0 0603
  • In Stock:154241
$0.146/pcsRFQ
1808J0630470KCT Image
  • Part#:1808J0630470KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 63V C0G/NP0 1808
  • In Stock:173915
$0.12/pcsRFQ
1808J6K08P20BCT Image
  • Part#:1808J6K08P20BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 6KV C0G/NP0 1808
  • In Stock:53963
$0.594/pcsRFQ
0805Y0251P00DFT Image
  • Part#:0805Y0251P00DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 25V C0G/NP0 0805
  • In Stock:257228
$0.084/pcsRFQ
1210Y1000561KAR Image
  • Part#:1210Y1000561KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 100V C0G/NP0 1210
  • In Stock:90370
$0.24/pcsRFQ
2225J1K20331FCT Image
  • Part#:2225J1K20331FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1.2KV C0G/NP0 2225
  • In Stock:16334
$2.117/pcsRFQ
2220J0630152GFR Image
  • Part#:2220J0630152GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 63V C0G/NP0 2220
  • In Stock:19480
$1.848/pcsRFQ
1808YA250330FCRSP Image
  • Part#:1808YA250330FCRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 250V C0G/NP0 1808
  • In Stock:41680
$0.809/pcsRFQ
0805Y0630151FAR Image
  • Part#:0805Y0630151FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 63V C0G/NP0 0805
  • In Stock:72662
$0.284/pcsRFQ
2225J0500181FFT Image
  • Part#:2225J0500181FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 50V C0G/NP0 2225
  • In Stock:9099
$4.173/pcsRFQ
1808J5000393JXR Image
  • Part#:1808J5000393JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 500V X7R 1808
  • In Stock:91965
$0.25/pcsRFQ
1812J2000180KCT Image
  • Part#:1812J2000180KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 200V C0G/NP0 1812
  • In Stock:65413
$0.307/pcsRFQ
1206Y0500154KER Image
  • Part#:1206Y0500154KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 50V X7R 1206
  • In Stock:124024
$0.163/pcsRFQ
1206J5000223JDR Image
  • Part#:1206J5000223JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 500V X7R 1206
  • In Stock:140372
$0.149/pcsRFQ
2220J1000123GCR Image
  • Part#:2220J1000123GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 100V C0G 2220
  • In Stock:25521
$1.369/pcsRFQ
0805Y0630331MXR Image
  • Part#:0805Y0630331MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 63V X7R 0805
  • In Stock:468383
$0.047/pcsRFQ
1206Y0630272FCT Image
  • Part#:1206Y0630272FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 63V C0G/NP0 1206
  • In Stock:88766
$0.374/pcsRFQ
0505Y3003P00CQT Image
  • Part#:0505Y3003P00CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3PF 300V C0G/NP0 0505
  • In Stock:96525
$0.198/pcsRFQ
2225Y1000822GCT Image
  • Part#:2225Y1000822GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 100V C0G/NP0 2225
  • In Stock:22552
$1.72/pcsRFQ
1206Y0500184JDR Image
  • Part#:1206Y0500184JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 50V X7R 1206
  • In Stock:99399
$0.209/pcsRFQ
1812Y1K20121FCT Image
  • Part#:1812Y1K20121FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1.2KV C0G/NP0 1812
  • In Stock:41966
$0.771/pcsRFQ
1206J3001P30CQT Image
  • Part#:1206J3001P30CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.3PF 300V C0G/NP0 1206
  • In Stock:134323
$0.18/pcsRFQ
0805Y0250331JDR Image
  • Part#:0805Y0250331JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 25V X7R 0805
  • In Stock:264981
$0.091/pcsRFQ
0603Y2000271MDT Image
  • Part#:0603Y2000271MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 200V X7R 0603
  • In Stock:330073
$0.062/pcsRFQ
1812J5000270GCR Image
  • Part#:1812J5000270GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 500V C0G/NP0 1812
  • In Stock:83276
$0.431/pcsRFQ
0805Y0100272GCT Image
  • Part#:0805Y0100272GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 10V C0G/NP0 0805
  • In Stock:129778
$0.155/pcsRFQ
  • Part#:0805J0100331JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 10V C0G/NP0 0805
  • In Stock:470861
$0.043/pcsRFQ
1812Y0250681KFR Image
  • Part#:1812Y0250681KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 25V C0G/NP0 1812
  • In Stock:85303
$0.414/pcsRFQ
1812J2500334MXR Image
  • Part#:1812J2500334MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 250V X7R 1812
  • In Stock:81709
$0.408/pcsRFQ
1206J0100391MXT Image
  • Part#:1206J0100391MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 10V X7R 1206
  • In Stock:266767
$0.084/pcsRFQ
1210Y1000182KET Image
  • Part#:1210Y1000182KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 100V X7R 1210
  • In Stock:104094
$0.229/pcsRFQ
2225J0250391FCT Image
  • Part#:2225J0250391FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 2225
  • In Stock:9372
$3.398/pcsRFQ
1206J2500471KCR Image
  • Part#:1206J2500471KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V C0G/NP0 1206
  • In Stock:218002
$0.096/pcsRFQ
2225J0160124MXT Image
  • Part#:2225J0160124MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 16V X7R 2225
  • In Stock:40514
$0.749/pcsRFQ
1825Y2K00101GCR Image
  • Part#:1825Y2K00101GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 2KV C0G/NP0 1825
  • In Stock:32449
$1.131/pcsRFQ
1808J1K00820JDT Image
  • Part#:1808J1K00820JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 1KV X7R 1808
  • In Stock:78038
$0.249/pcsRFQ
2220J1K20331MXT Image
  • Part#:2220J1K20331MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1.2KV X7R 2220
  • In Stock:81326
$0.404/pcsRFQ
2220Y0250184KDT Image
  • Part#:2220Y0250184KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 25V X7R 2220
  • In Stock:31167
$1.076/pcsRFQ
  • Part#:2225J0160102FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:10884
$2.759/pcsRFQ
1111Y1006P80HQT Image
  • Part#:1111Y1006P80HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 100V C0G/NP0 1111
  • In Stock:26112
$1.367/pcsRFQ
0805Y0500151JCT Image
  • Part#:0805Y0500151JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 50V C0G/NP0 0805
  • In Stock:352965
$0.061/pcsRFQ
1206Y1K00120KAT Image
  • Part#:1206Y1K00120KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1KV C0G/NP0 1206
  • In Stock:152380
$0.138/pcsRFQ
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