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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

2211YA250100FCRSP Image
  • Part#:2211YA250100FCRSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 250V C0G/NP0 2211
  • In Stock:28064
$1.369/pcsRFQ
1111Y1003P90CQT Image
  • Part#:1111Y1003P90CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 100V C0G/NP0 1111
  • In Stock:59472
$0.319/pcsRFQ
1812J1K50123KXR Image
  • Part#:1812J1K50123KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 1.5KV X7R 1812
  • In Stock:77328
$0.305/pcsRFQ
1206Y1K00221KET Image
  • Part#:1206Y1K00221KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1KV X7R 1206
  • In Stock:174050
$0.119/pcsRFQ
1210J6300821GAR Image
  • Part#:1210J6300821GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 630V C0G/NP0 1210
  • In Stock:59803
$0.351/pcsRFQ
0805J2000360FQT Image
  • Part#:0805J2000360FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 36PF 200V C0G/NP0 0805
  • In Stock:58942
$0.519/pcsRFQ
0505Y1004P70CQT Image
  • Part#:0505Y1004P70CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 100V C0G/NP0 0505
  • In Stock:103292
$0.183/pcsRFQ
0805J0161P80CFR Image
  • Part#:0805J0161P80CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 16V C0G/NP0 0805
  • In Stock:171566
$0.12/pcsRFQ
0805Y5000270FFR Image
  • Part#:0805Y5000270FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 500V C0G/NP0 0805
  • In Stock:87713
$0.259/pcsRFQ
0603Y0160101KFR Image
  • Part#:0603Y0160101KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 16V C0G/NP0 0603
  • In Stock:252456
$0.092/pcsRFQ
  • Part#:1812J2500272GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1812
  • In Stock:68942
$0.53/pcsRFQ
  • Part#:0805Y2000180KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0805
  • In Stock:338963
$0.071/pcsRFQ
1825J1000562KCT Image
  • Part#:1825J1000562KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 100V C0G/NP0 1825
  • In Stock:56309
$0.699/pcsRFQ
1808Y0500391GFR Image
  • Part#:1808Y0500391GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 50V C0G/NP0 1808
  • In Stock:84886
$0.271/pcsRFQ
0805J5003P90CFR Image
  • Part#:0805J5003P90CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 500V C0G/NP0 0805
  • In Stock:183605
$0.125/pcsRFQ
1812Y0160391KCT Image
  • Part#:1812Y0160391KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 16V C0G/NP0 1812
  • In Stock:65831
$0.32/pcsRFQ
0805Y5000472JET Image
  • Part#:0805Y5000472JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 500V X7R 0805
  • In Stock:180850
$0.121/pcsRFQ
1206J1K05P60DFT Image
  • Part#:1206J1K05P60DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 1KV C0G/NP0 1206
  • In Stock:173010
$0.126/pcsRFQ
0805Y0500562JER Image
  • Part#:0805Y0500562JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 50V X7R 0805
  • In Stock:232302
$0.101/pcsRFQ
2225Y0250393GCR Image
  • Part#:2225Y0250393GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 25V C0G/NP0 2225
  • In Stock:16632
$2.014/pcsRFQ
1808J0635P60BFT Image
  • Part#:1808J0635P60BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 63V C0G/NP0 1808
  • In Stock:52242
$0.61/pcsRFQ
1111Y500P900HUT Image
  • Part#:1111Y500P900HUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.9PF 500V C0G/NP0 1111
  • In Stock:5318
 RFQ
2220Y0160335JXR Image
  • Part#:2220Y0160335JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3UF 16V X7R 2220
  • In Stock:29067
$1.308/pcsRFQ
1812Y6300182MET Image
  • Part#:1812Y6300182MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 630V X7R 1812
  • In Stock:84555
$0.4/pcsRFQ
1808J0100682FCT Image
  • Part#:1808J0100682FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 10V C0G/NP0 1808
  • In Stock:70330
$0.458/pcsRFQ
1206Y5004P70BCT Image
  • Part#:1206Y5004P70BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 500V C0G/NP0 1206
  • In Stock:76106
$0.284/pcsRFQ
1808J0500393MXR Image
  • Part#:1808J0500393MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 50V X7R 1808
  • In Stock:190549
$0.123/pcsRFQ
1210Y6300390FAT Image
  • Part#:1210Y6300390FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 630V C0G/NP0 1210
  • In Stock:63019
$0.628/pcsRFQ
1808Y2K00331MXR Image
  • Part#:1808Y2K00331MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 2KV X7R 1808
  • In Stock:132519
$0.158/pcsRFQ
1812J5000122FCR Image
  • Part#:1812J5000122FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 500V C0G/NP0 1812
  • In Stock:53145
$0.648/pcsRFQ
  • Part#:2225J5000104KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:70948
$0.526/pcsRFQ
1808J1000472JXT Image
  • Part#:1808J1000472JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V X7R 1808
  • In Stock:131151
$0.159/pcsRFQ
1825J4K00561FCT Image
  • Part#:1825J4K00561FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 4KV C0G/NP0 1825
  • In Stock:20067
$1.865/pcsRFQ
0603Y0504P70DFR Image
  • Part#:0603Y0504P70DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 50V C0G/NP0 0603
  • In Stock:275288
$0.074/pcsRFQ
1206J0258P20DCR Image
  • Part#:1206J0258P20DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 25V C0G/NP0 1206
  • In Stock:250307
$0.076/pcsRFQ
0603J2501P00DUT Image
  • Part#:0603J2501P00DUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 250V C0G/NP0 0603
  • In Stock:196316
$0.117/pcsRFQ
0805Y2000180JAR Image
  • Part#:0805Y2000180JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 200V C0G/NP0 0805
  • In Stock:281705
$0.085/pcsRFQ
2220J1K50470FCR Image
  • Part#:2220J1K50470FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 1.5KV C0G/NP0 2220
  • In Stock:24432
$1.596/pcsRFQ
0603Y0250102GFT Image
  • Part#:0603Y0250102GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 25V C0G/NP0 0603
  • In Stock:108667
$0.178/pcsRFQ
1808J1K00220FCT Image
  • Part#:1808J1K00220FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 1KV C0G/NP0 1808
  • In Stock:100375
$0.392/pcsRFQ
1210Y1K00273MXR Image
  • Part#:1210Y1K00273MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 1KV X7R 1210
  • In Stock:127441
$0.174/pcsRFQ
  • Part#:1825J2000681JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:48991
$0.74/pcsRFQ
2225Y1K20821JCT Image
  • Part#:2225Y1K20821JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1.2KV C0G/NP0 2225
  • In Stock:39977
$0.88/pcsRFQ
  • Part#:1825Y0500124KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:55448
$0.689/pcsRFQ
1206J2000200FQT Image
  • Part#:1206J2000200FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 20PF 200V C0G/NP0 1206
  • In Stock:45654
$0.682/pcsRFQ
1812Y1000153JXR Image
  • Part#:1812Y1000153JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 100V X7R 1812
  • In Stock:67237
$0.331/pcsRFQ
2220Y0500150FFR Image
  • Part#:2220Y0500150FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 50V C0G/NP0 2220
  • In Stock:9101
$4.036/pcsRFQ
1812Y1000333JXT Image
  • Part#:1812Y1000333JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 100V X7R 1812
  • In Stock:99527
$0.366/pcsRFQ
1808Y2000222KFR Image
  • Part#:1808Y2000222KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 200V C0G/NP0 1808
  • In Stock:78724
$0.258/pcsRFQ
1206J0630330JCT Image
  • Part#:1206J0630330JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 63V C0G/NP0 1206
  • In Stock:230049
$0.085/pcsRFQ
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