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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

1812J0250820FFR Image
  • Part#:1812J0250820FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 25V C0G/NP0 1812
  • In Stock:27362
$1.44/pcsRFQ
1812Y2500221KFR Image
  • Part#:1812Y2500221KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V C0G/NP0 1812
  • In Stock:79141
$0.446/pcsRFQ
0603Y1000120GAT Image
  • Part#:0603Y1000120GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 100V C0G/NP0 0603
  • In Stock:152100
$0.133/pcsRFQ
1812Y2000151JAR Image
  • Part#:1812Y2000151JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 200V C0G/NP0 1812
  • In Stock:68887
$0.441/pcsRFQ
1825J1K50183JXT Image
  • Part#:1825J1K50183JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 1.5KV X7R 1825
  • In Stock:40401
$0.918/pcsRFQ
2220J0500273JDT Image
  • Part#:2220J0500273JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 50V X7R 2220
  • In Stock:28389
$1.128/pcsRFQ
1206J1000101JAR Image
  • Part#:1206J1000101JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 100V C0G/NP0 1206
  • In Stock:195992
$0.114/pcsRFQ
1812J0630472FCR Image
  • Part#:1812J0630472FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 63V C0G/NP0 1812
  • In Stock:36548
$0.935/pcsRFQ
1210J1K00270JAT Image
  • Part#:1210J1K00270JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 1KV C0G/NP0 1210
  • In Stock:103380
$0.191/pcsRFQ
1210Y0500224KER Image
  • Part#:1210Y0500224KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 50V X7R 1210
  • In Stock:81792
$0.252/pcsRFQ
1206Y2K04P00HQT Image
  • Part#:1206Y2K04P00HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4PF 2000V C0G/NP0 1206
  • In Stock:56193
$0.687/pcsRFQ
1812JA255P60CCTSY2 Image
  • Part#:1812JA255P60CCTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 250V C0G/NP0 1812
  • In Stock:68038
$0.513/pcsRFQ
1111Y1K00201FQT Image
  • Part#:1111Y1K00201FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 200PF 1KV C0G/NP0 1111
  • In Stock:21339
$1.573/pcsRFQ
0603J0250221GFR Image
  • Part#:0603J0250221GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 25V C0G/NP0 0603
  • In Stock:155041
$0.154/pcsRFQ
1825J0250105KXR Image
  • Part#:1825J0250105KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1UF 25V X7R 1825
  • In Stock:46514
$0.849/pcsRFQ
1808J0630103GFR Image
  • Part#:1808J0630103GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 63V C0G/NP0 1808
  • In Stock:87287
$0.374/pcsRFQ
1206J5002P10CQT Image
  • Part#:1206J5002P10CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.1PF 500V C0G/NP0 1206
  • In Stock:120738
$0.181/pcsRFQ
1206Y0500153JER Image
  • Part#:1206Y0500153JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 50V X7R 1206
  • In Stock:144464
$0.139/pcsRFQ
0805Y0100102GCT Image
  • Part#:0805Y0100102GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 10V C0G/NP0 0805
  • In Stock:195769
$0.11/pcsRFQ
2225Y6K00222MXT Image
  • Part#:2225Y6K00222MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 6KV X7R 2225
  • In Stock:65887
$0.562/pcsRFQ
1206Y0631P80DFT Image
  • Part#:1206Y0631P80DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 63V C0G/NP0 1206
  • In Stock:174553
$0.122/pcsRFQ
0603J0630153JDR Image
  • Part#:0603J0630153JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 63V X7R 0603
  • In Stock:276852
$0.081/pcsRFQ
2220J6300682GCR Image
  • Part#:2220J6300682GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 630V C0G/NP0 2220
  • In Stock:29234
$1.323/pcsRFQ
0603Y0630393MXR Image
  • Part#:0603Y0630393MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 63V X7R 0603
  • In Stock:409844
$0.052/pcsRFQ
0805Y5000822JET Image
  • Part#:0805Y5000822JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 500V X7R 0805
  • In Stock:160549
$0.146/pcsRFQ
1808Y0160271GCT Image
  • Part#:1808Y0160271GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 16V C0G/NP0 1808
  • In Stock:118516
$0.203/pcsRFQ
1210Y2000182KCR Image
  • Part#:1210Y2000182KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 200V C0G/NP0 1210
  • In Stock:114885
$0.182/pcsRFQ
2225Y0500331KFT Image
  • Part#:2225Y0500331KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 50V C0G/NP0 2225
  • In Stock:25206
$1.289/pcsRFQ
1210J0500122MXR Image
  • Part#:1210J0500122MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 50V X7R 1210
  • In Stock:157878
$0.133/pcsRFQ
0805Y2001P30DUT Image
  • Part#:0805Y2001P30DUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.3PF 200V C0G/NP0 0805
  • In Stock:137794
$0.173/pcsRFQ
1206J2505P60CFR Image
  • Part#:1206J2505P60CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 250V C0G/NP0 1206
  • In Stock:138605
$0.157/pcsRFQ
1206Y0630220GAT Image
  • Part#:1206Y0630220GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 63V C0G/NP0 1206
  • In Stock:103730
$0.214/pcsRFQ
1808J0250392KFR Image
  • Part#:1808J0250392KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 25V C0G/NP0 1808
  • In Stock:126360
$0.169/pcsRFQ
1206Y2500122JCT Image
  • Part#:1206Y2500122JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 250V C0G/NP0 1206
  • In Stock:162201
$0.127/pcsRFQ
0805J0250270FFR Image
  • Part#:0805J0250270FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 25V C0G/NP0 0805
  • In Stock:78594
$0.26/pcsRFQ
2220Y2500182JFR Image
  • Part#:2220Y2500182JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 250V C0G/NP0 2220
  • In Stock:27603
$1.223/pcsRFQ
1808YA250101FCTSY2 Image
  • Part#:1808YA250101FCTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V C0G/NP0 1808
  • In Stock:29975
$1.144/pcsRFQ
1210J2000392JXR Image
  • Part#:1210J2000392JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 200V X7R 1210
  • In Stock:104254
$0.18/pcsRFQ
1206J0630330KFR Image
  • Part#:1206J0630330KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 63V C0G/NP0 1206
  • In Stock:217265
$0.107/pcsRFQ
2225J0160270JCR Image
  • Part#:2225J0160270JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 16V C0G/NP0 2225
  • In Stock:38828
$0.906/pcsRFQ
1210J0250562FFR Image
  • Part#:1210J0250562FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 25V C0G/NP0 1210
  • In Stock:32795
$1.029/pcsRFQ
1808Y0160680JFR Image
  • Part#:1808Y0160680JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 16V C0G/NP0 1808
  • In Stock:136717
$0.175/pcsRFQ
1210Y2500823MXR Image
  • Part#:1210Y2500823MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 250V X7R 1210
  • In Stock:113747
$0.185/pcsRFQ
1808Y1000820GCT Image
  • Part#:1808Y1000820GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 100V C0G/NP0 1808
  • In Stock:96320
$0.212/pcsRFQ
2220Y5000274KXT Image
  • Part#:2220Y5000274KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 500V X7R 2220
  • In Stock:44279
$0.765/pcsRFQ
1812Y2500472JXR Image
  • Part#:1812Y2500472JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 250V X7R 1812
  • In Stock:67159
$0.34/pcsRFQ
1210Y2500472KCT Image
  • Part#:1210Y2500472KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 250V C0G/NP0 1210
  • In Stock:84929
$0.247/pcsRFQ
1210Y0250391KFR Image
  • Part#:1210Y0250391KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 1210
  • In Stock:87233
$0.233/pcsRFQ
0805J5000221JCR Image
  • Part#:0805J5000221JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 500V C0G/NP0 0805
  • In Stock:349313
$0.059/pcsRFQ
0805J250P800BQT Image
  • Part#:0805J250P800BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.8PF 250V C0G/NP0 0805
  • In Stock:144055
$0.161/pcsRFQ
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