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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

1812J1K20682JXT Image
  • Part#:1812J1K20682JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 1.2KV X7R 1812
  • In Stock:60660
$0.339/pcsRFQ
1812J3K00180JCT Image
  • Part#:1812J3K00180JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 3KV C0G/NP0 1812
  • In Stock:87733
$0.266/pcsRFQ
2220Y6300100GCR Image
  • Part#:2220Y6300100GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 630V C0G/NP0 2220
  • In Stock:34097
$1.053/pcsRFQ
0805Y2000390FCT Image
  • Part#:0805Y2000390FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 200V C0G/NP0 0805
  • In Stock:107209
$0.213/pcsRFQ
1808J0630680GCT Image
  • Part#:1808J0630680GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 63V C0G/NP0 1808
  • In Stock:108926
$0.19/pcsRFQ
0603J0160393KDT Image
  • Part#:0603J0160393KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 16V X7R 0603
  • In Stock:269696
$0.079/pcsRFQ
1812J6300180JCR Image
  • Part#:1812J6300180JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 630V C0G/NP0 1812
  • In Stock:91954
$0.245/pcsRFQ
2225J2500330JCR Image
  • Part#:2225J2500330JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 250V C0G/NP0 2225
  • In Stock:40105
$0.85/pcsRFQ
1206Y1006P80CFT Image
  • Part#:1206Y1006P80CFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 100V C0G/NP0 1206
  • In Stock:127831
$0.178/pcsRFQ
  • Part#:1825J2K00471JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:65373
$0.583/pcsRFQ
1808Y1000221KCR Image
  • Part#:1808Y1000221KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 100V C0G/NP0 1808
  • In Stock:165993
$0.117/pcsRFQ
1808J0500102KFT Image
  • Part#:1808J0500102KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 50V C0G/NP0 1808
  • In Stock:104550
$0.187/pcsRFQ
1812J2500223KXR Image
  • Part#:1812J2500223KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 250V X7R 1812
  • In Stock:82148
$0.244/pcsRFQ
1808YA250471MXTSPU Image
  • Part#:1808YA250471MXTSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V X7R 1808
  • In Stock:91118
$0.227/pcsRFQ
1808J0500180FCR Image
  • Part#:1808J0500180FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 50V C0G/NP0 1808
  • In Stock:97371
$0.394/pcsRFQ
1812Y0630183KFR Image
  • Part#:1812Y0630183KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 63V C0G/NP0 1812
  • In Stock:64163
$0.551/pcsRFQ
1206J2501P20HQT Image
  • Part#:1206J2501P20HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 250V C0G/NP0 1206
  • In Stock:76569
$0.305/pcsRFQ
2211JA250391FCTSP Image
  • Part#:2211JA250391FCTSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V C0G/NP0 2211
  • In Stock:17236
$2.24/pcsRFQ
1210J1000272FAT Image
  • Part#:1210J1000272FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 100V C0G/NP0 1210
  • In Stock:34623
$0.94/pcsRFQ
0805Y1000120KFT Image
  • Part#:0805Y1000120KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 100V C0G/NP0 0805
  • In Stock:279441
$0.078/pcsRFQ
1210Y1K26P80BCT Image
  • Part#:1210Y1K26P80BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 1.2KV C0G/NP0 1210
  • In Stock:81921
$0.439/pcsRFQ
1812Y0630225MXR Image
  • Part#:1812Y0630225MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2UF 63V X7R 1812
  • In Stock:55379
$0.619/pcsRFQ
0603Y0631P50DCR Image
  • Part#:0603Y0631P50DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 63V C0G/NP0 0603
  • In Stock:413297
$0.048/pcsRFQ
1825J1K00181KCR Image
  • Part#:1825J1K00181KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1KV C0G/NP0 1825
  • In Stock:73886
$0.493/pcsRFQ
1206Y1000751KQT Image
  • Part#:1206Y1000751KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 750PF 100V C0G/NP0 1206
  • In Stock:69631
$0.311/pcsRFQ
1808Y0630471JDR Image
  • Part#:1808Y0630471JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 63V X7R 1808
  • In Stock:85833
$0.244/pcsRFQ
1206Y1000560GFR Image
  • Part#:1206Y1000560GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 100V C0G/NP0 1206
  • In Stock:101943
$0.203/pcsRFQ
1111J2K0P700DQT Image
  • Part#:1111J2K0P700DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.7PF 2KV C0G/NP0 1111
  • In Stock:76741
$0.28/pcsRFQ
0805J1000102JDT Image
  • Part#:0805J1000102JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 100V X7R 0805
  • In Stock:176909
$0.11/pcsRFQ
1206J0630120FCR Image
  • Part#:1206J0630120FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 63V C0G/NP0 1206
  • In Stock:83296
$0.266/pcsRFQ
1210Y0500393JDT Image
  • Part#:1210Y0500393JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 50V X7R 1210
  • In Stock:83748
$0.281/pcsRFQ
2225J2500123JFR Image
  • Part#:2225J2500123JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 250V C0G 2225
  • In Stock:20271
$1.626/pcsRFQ
  • Part#:0603J2000272MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 200V X7R 0603
  • In Stock:638672
$0.036/pcsRFQ
0603Y1000271JET Image
  • Part#:0603Y1000271JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 100V X7R 0603
  • In Stock:280134
$0.078/pcsRFQ
2220Y5000330GFR Image
  • Part#:2220Y5000330GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 500V C0G/NP0 2220
  • In Stock:21343
$1.658/pcsRFQ
2225Y0630100FCT Image
  • Part#:2225Y0630100FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 63V C0G/NP0 2225
  • In Stock:10222
$3.202/pcsRFQ
1206J0100820GCR Image
  • Part#:1206J0100820GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 10V C0G/NP0 1206
  • In Stock:154974
$0.132/pcsRFQ
0805Y0500361JQT Image
  • Part#:0805Y0500361JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 360PF 50V C0G/NP0 0805
  • In Stock:95944
$0.211/pcsRFQ
1206Y1000680JFT Image
  • Part#:1206Y1000680JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 100V C0G/NP0 1206
  • In Stock:155455
$0.126/pcsRFQ
1808J0250122JCR Image
  • Part#:1808J0250122JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 25V C0G/NP0 1808
  • In Stock:203893
$0.11/pcsRFQ
1206J2500680KFR Image
  • Part#:1206J2500680KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 250V C0G/NP0 1206
  • In Stock:186373
$0.112/pcsRFQ
1808JA250271KXTSPU Image
  • Part#:1808JA250271KXTSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 250V X7R 1808
  • In Stock:122026
$0.197/pcsRFQ
1111J3001P40DQT Image
  • Part#:1111J3001P40DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.4PF 300V C0G/NP0 1111
  • In Stock:82336
$0.283/pcsRFQ
1808J1K50181JXT Image
  • Part#:1808J1K50181JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1.5KV X7R 1808
  • In Stock:111540
$0.217/pcsRFQ
1808J0250153JCT Image
  • Part#:1808J0250153JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 25V C0G/NP0 1808
  • In Stock:102764
$0.218/pcsRFQ
0805Y0507P50DQT Image
  • Part#:0805Y0507P50DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 7.5PF 50V C0G/NP0 0805
  • In Stock:149057
$0.149/pcsRFQ
1210Y2000682KXR Image
  • Part#:1210Y2000682KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 200V X7R 1210
  • In Stock:126317
$0.151/pcsRFQ
1206J0253P90CFR Image
  • Part#:1206J0253P90CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 25V C0G/NP0 1206
  • In Stock:125544
$0.163/pcsRFQ
0805Y2503P60HUT Image
  • Part#:0805Y2503P60HUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.6PF 250V C0G/NP0 0805
  • In Stock:73938
$0.464/pcsRFQ
0805Y5001P20DAT Image
  • Part#:0805Y5001P20DAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 500V C0G/NP0 0805
  • In Stock:248344
$0.082/pcsRFQ
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