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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

1111J3000181GQT Image
  • Part#:1111J3000181GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 300V C0G/NP0 1111
  • In Stock:54862
$0.685/pcsRFQ
2220J1000224MXR Image
  • Part#:2220J1000224MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 100V X7R 2220
  • In Stock:49653
$0.629/pcsRFQ
1812Y1000331KFR Image
  • Part#:1812Y1000331KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 100V C0G/NP0 1812
  • In Stock:86000
$0.436/pcsRFQ
1808Y0100333JXT Image
  • Part#:1808Y0100333JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 10V X7R 1808
  • In Stock:132759
$0.182/pcsRFQ
0603J0631P50CCT Image
  • Part#:0603J0631P50CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 63V C0G/NP0 0603
  • In Stock:335348
$0.072/pcsRFQ
1210J0250561JFR Image
  • Part#:1210J0250561JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 25V C0G/NP0 1210
  • In Stock:88877
$0.234/pcsRFQ
0505Y150P400HQT Image
  • Part#:0505Y150P400HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.4PF 150V C0G/NP0 0505
  • In Stock:62973
$0.304/pcsRFQ
0805Y0100682MXR Image
  • Part#:0805Y0100682MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 10V X7R 0805
  • In Stock:422579
$0.052/pcsRFQ
1210Y1000272FCT Image
  • Part#:1210Y1000272FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 100V C0G/NP0 1210
  • In Stock:59899
$0.654/pcsRFQ
1808Y1K00181MXR Image
  • Part#:1808Y1K00181MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1KV X7R 1808
  • In Stock:128020
$0.153/pcsRFQ
1210Y6300561KCT Image
  • Part#:1210Y6300561KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 630V C0G/NP0 1210
  • In Stock:153594
$0.132/pcsRFQ
1206Y0500681FAR Image
  • Part#:1206Y0500681FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 50V C0G/NP0 1206
  • In Stock:73966
$0.482/pcsRFQ
0805J5000270FFT Image
  • Part#:0805J5000270FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 500V C0G/NP0 0805
  • In Stock:87207
$0.269/pcsRFQ
2220J1K00182KFT Image
  • Part#:2220J1K00182KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1KV C0G/NP0 2220
  • In Stock:45188
$0.796/pcsRFQ
1111Y1K00430GQT Image
  • Part#:1111Y1K00430GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 43PF 1KV C0G/NP0 1111
  • In Stock:58943
$0.562/pcsRFQ
0603Y0160391JXR Image
  • Part#:0603Y0160391JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 16V X7R 0603
  • In Stock:431016
$0.055/pcsRFQ
1812Y0250103KDT Image
  • Part#:1812Y0250103KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 25V X7R 1812
  • In Stock:90569
$0.434/pcsRFQ
1812Y2500472KCT Image
  • Part#:1812Y2500472KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 250V C0G/NP0 1812
  • In Stock:99712
$0.37/pcsRFQ
1206J6300680KAR Image
  • Part#:1206J6300680KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 630V C0G/NP0 1206
  • In Stock:190733
$0.109/pcsRFQ
2220Y3K00181JCR Image
  • Part#:2220Y3K00181JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 3KV C0G/NP0 2220
  • In Stock:53173
$0.606/pcsRFQ
1812YA250681MXTPY2 Image
  • Part#:1812YA250681MXTPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 250V X7R 1812
  • In Stock:77265
$0.438/pcsRFQ
1808Y4K05P60CCR Image
  • Part#:1808Y4K05P60CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 4KV C0G/NP0 1808
  • In Stock:104691
$0.206/pcsRFQ
1210Y6300220GAR Image
  • Part#:1210Y6300220GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 630V C0G/NP0 1210
  • In Stock:73402
$0.323/pcsRFQ
1812Y6300820JAR Image
  • Part#:1812Y6300820JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 630V C0G/NP0 1812
  • In Stock:92474
$0.383/pcsRFQ
1808Y0160151FCR Image
  • Part#:1808Y0160151FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 16V C0G/NP0 1808
  • In Stock:56153
$0.365/pcsRFQ
0603J0100681FCR Image
  • Part#:0603J0100681FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 10V C0G/NP0 0603
  • In Stock:104667
$0.213/pcsRFQ
0603J0630561GCR Image
  • Part#:0603J0630561GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 63V C0G/NP0 0603
  • In Stock:246236
$0.097/pcsRFQ
1812J0630103MDR Image
  • Part#:1812J0630103MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 63V X7R 1812
  • In Stock:57671
$0.347/pcsRFQ
2225Y2000151JFR Image
  • Part#:2225Y2000151JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 200V C0G/NP0 2225
  • In Stock:20786
$1.44/pcsRFQ
0603Y0500103KXR Image
  • Part#:0603Y0500103KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 50V X7R 0603
  • In Stock:474543
$0.043/pcsRFQ
0805J5000560KDT Image
  • Part#:0805J5000560KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 500V X7R 0805
  • In Stock:293184
$0.077/pcsRFQ
1812J1000153JCR Image
  • Part#:1812J1000153JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 100V C0G 1812
  • In Stock:57422
$0.361/pcsRFQ
1808J2500270MDR Image
  • Part#:1808J2500270MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 250V X7R 1808
  • In Stock:146241
$0.165/pcsRFQ
0603Y0500822JXT Image
  • Part#:0603Y0500822JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 50V X7R 0603
  • In Stock:402055
$0.056/pcsRFQ
1825Y5K00820KCR Image
  • Part#:1825Y5K00820KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 5KV C0G/NP0 1825
  • In Stock:70349
$0.326/pcsRFQ
2225J1K20102MXR Image
  • Part#:2225J1K20102MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1.2KV X7R 2225
  • In Stock:70978
$0.483/pcsRFQ
2220Y1K20220KCT Image
  • Part#:2220Y1K20220KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 1.2KV C0G/NP0 2220
  • In Stock:67934
$0.559/pcsRFQ
1206Y1000333JXR Image
  • Part#:1206Y1000333JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 100V X7R 1206
  • In Stock:163548
$0.12/pcsRFQ
1825J1K50150JCR Image
  • Part#:1825J1K50150JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 1.5KV C0G/NP0 1825
  • In Stock:63041
$0.511/pcsRFQ
1812J0100392JXR Image
  • Part#:1812J0100392JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 10V X7R 1812
  • In Stock:67707
$0.294/pcsRFQ
1812J1K00681GAR Image
  • Part#:1812J1K00681GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1KV C0G/NP0 1812
  • In Stock:44401
$0.713/pcsRFQ
1210J0500334JDT Image
  • Part#:1210J0500334JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 50V X7R 1210
  • In Stock:68419
$0.338/pcsRFQ
1808Y0250272MDT Image
  • Part#:1808Y0250272MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 25V X7R 1808
  • In Stock:110716
$0.186/pcsRFQ
1808J0100563FCR Image
  • Part#:1808J0100563FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 10V C0G/NP0 1808
  • In Stock:31128
$1.144/pcsRFQ
2225Y5000223JXT Image
  • Part#:2225Y5000223JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 500V X7R 2225
  • In Stock:38699
$0.841/pcsRFQ
1812Y1K00330KCR Image
  • Part#:1812Y1K00330KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 1KV C0G/NP0 1812
  • In Stock:79163
$0.26/pcsRFQ
1812J0500271FCT Image
  • Part#:1812J0500271FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 50V C0G/NP0 1812
  • In Stock:41290
$0.882/pcsRFQ
1825Y5000390KCR Image
  • Part#:1825Y5000390KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 500V C0G/NP0 1825
  • In Stock:51536
$0.607/pcsRFQ
  • Part#:1206Y150P800DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 1206
  • In Stock:142288
$0.15/pcsRFQ
2225J1K00561MXT Image
  • Part#:2225J1K00561MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1KV X7R 2225
  • In Stock:55468
$0.537/pcsRFQ
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