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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

1812J1K00473KXT Image
  • Part#:1812J1K00473KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 1KV X7R 1812
  • In Stock:80381
$0.403/pcsRFQ
2220J6K00181KCR Image
  • Part#:2220J6K00181KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 6KV C0G/NP0 2220
  • In Stock:71719
$0.329/pcsRFQ
  • Part#:1206Y2500223JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:203274
$0.092/pcsRFQ
2225Y0500561GCR Image
  • Part#:2225Y0500561GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 50V C0G/NP0 2225
  • In Stock:20315
$1.735/pcsRFQ
2220Y0160824KDR Image
  • Part#:2220Y0160824KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 16V X7R 2220
  • In Stock:29021
$1.13/pcsRFQ
1111J2000161GQT Image
  • Part#:1111J2000161GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 160PF 200V C0G/NP0 1111
  • In Stock:57920
$0.658/pcsRFQ
2225J4K00120JCT Image
  • Part#:2225J4K00120JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 4KV C0G/NP0 2225
  • In Stock:71194
$0.424/pcsRFQ
1206J1K02P70BAR Image
  • Part#:1206J1K02P70BAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 1000V C0G/NP0 1206
  • In Stock:82013
$0.446/pcsRFQ
1808Y5000152KFR Image
  • Part#:1808Y5000152KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 500V C0G/NP0 1808
  • In Stock:87209
$0.256/pcsRFQ
1812Y5000220KCR Image
  • Part#:1812Y5000220KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 500V C0G/NP0 1812
  • In Stock:90313
$0.263/pcsRFQ
1825Y4K00561MXT Image
  • Part#:1825Y4K00561MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 4KV X7R 1825
  • In Stock:61715
$0.314/pcsRFQ
2225Y1K20180KCR Image
  • Part#:2225Y1K20180KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1.2KV C0G/NP0 2225
  • In Stock:43291
$0.829/pcsRFQ
1808J0250184KDR Image
  • Part#:1808J0250184KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 25V X7R 1808
  • In Stock:93976
$0.25/pcsRFQ
1210Y0630181JCT Image
  • Part#:1210Y0630181JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 63V C0G/NP0 1210
  • In Stock:128433
$0.175/pcsRFQ
1808J1000561JDT Image
  • Part#:1808J1000561JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 100V X7R 1808
  • In Stock:86794
$0.23/pcsRFQ
0805J0630390FFR Image
  • Part#:0805J0630390FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 63V C0G/NP0 0805
  • In Stock:84972
$0.256/pcsRFQ
2220J0160151KCR Image
  • Part#:2220J0160151KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 16V C0G/NP0 2220
  • In Stock:57856
$0.668/pcsRFQ
2220J2500103FFT Image
  • Part#:2220J2500103FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 250V C0G 2220
  • In Stock:7041
$4.644/pcsRFQ
2225Y5000560GFR Image
  • Part#:2225Y5000560GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 500V C0G/NP0 2225
  • In Stock:14988
$2.099/pcsRFQ
2225J0250182FCT Image
  • Part#:2225J0250182FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 25V C0G/NP0 2225
  • In Stock:10874
$3.088/pcsRFQ
1206J0500101FQT Image
  • Part#:1206J0500101FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 50V C0G/NP0 1206
  • In Stock:51894
$0.744/pcsRFQ
1812J0500392KXT Image
  • Part#:1812J0500392KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 50V X7R 1812
  • In Stock:80102
$0.262/pcsRFQ
2220J3K00152KXT Image
  • Part#:2220J3K00152KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 3KV X7R 2220
  • In Stock:77212
$0.483/pcsRFQ
1206J0160183JFR Image
  • Part#:1206J0160183JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 16V C0G/NP0 1206
  • In Stock:91434
$0.224/pcsRFQ
1808Y0250391GCT Image
  • Part#:1808Y0250391GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 1808
  • In Stock:102304
$0.205/pcsRFQ
1206J2000391FFR Image
  • Part#:1206J2000391FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 200V C0G/NP0 1206
  • In Stock:69350
$0.469/pcsRFQ
1410Y1000332MXRE03 Image
  • Part#:1410Y1000332MXRE03
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 100V X7R 1410
  • In Stock:58224
$0.321/pcsRFQ
1812J0250120JCT Image
  • Part#:1812J0250120JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 25V C0G/NP0 1812
  • In Stock:70548
$0.315/pcsRFQ
1812Y2500154MDR Image
  • Part#:1812Y2500154MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 250V X7R 1812
  • In Stock:78477
$0.491/pcsRFQ
1206Y0632P40BQT Image
  • Part#:1206Y0632P40BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.4PF 63V C0G/NP0 1206
  • In Stock:121949
$0.197/pcsRFQ
1210J0250103JFR Image
  • Part#:1210J0250103JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 25V C0G/NP0 1210
  • In Stock:73092
$0.295/pcsRFQ
2220Y0160562GCT Image
  • Part#:2220Y0160562GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 16V C0G/NP0 2220
  • In Stock:24578
$1.413/pcsRFQ
1825Y1K20222FCR Image
  • Part#:1825Y1K20222FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 1.2KV C0G 1825
  • In Stock:12308
$2.476/pcsRFQ
1206J2002P70CFR Image
  • Part#:1206J2002P70CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 200V C0G/NP0 1206
  • In Stock:124980
$0.155/pcsRFQ
1210J5000102JCT Image
  • Part#:1210J5000102JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 500V C0G/NP0 1210
  • In Stock:147027
$0.153/pcsRFQ
1812Y2500102GCR Image
  • Part#:1812Y2500102GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 250V C0G/NP0 1812
  • In Stock:64126
$0.566/pcsRFQ
0603J2000821JXT Image
  • Part#:0603J2000821JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 200V X7R 0603
  • In Stock:390316
$0.05/pcsRFQ
1825Y2K00331KCT Image
  • Part#:1825Y2K00331KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 2KV C0G/NP0 1825
  • In Stock:45680
$0.671/pcsRFQ
0805J0160124MDR Image
  • Part#:0805J0160124MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 16V X7R 0805
  • In Stock:199806
$0.098/pcsRFQ
2225J1K20122FCR Image
  • Part#:2225J1K20122FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 1.2KV C0G 2225
  • In Stock:12471
$2.504/pcsRFQ
1825Y2000124JXT Image
  • Part#:1825Y2000124JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 200V X7R 1825
  • In Stock:29032
$1.071/pcsRFQ
1206Y0250823KDT Image
  • Part#:1206Y0250823KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 25V X7R 1206
  • In Stock:175503
$0.13/pcsRFQ
1812J0250124JCR Image
  • Part#:1812J0250124JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 25V C0G/NP0 1812
  • In Stock:41527
$0.86/pcsRFQ
2225J3K00390FCR Image
  • Part#:2225J3K00390FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 3KV C0G/NP0 2225
  • In Stock:16072
$1.891/pcsRFQ
1812Y6300152KCR Image
  • Part#:1812Y6300152KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 630V C0G/NP0 1812
  • In Stock:78718
$0.285/pcsRFQ
1210Y1K00471FFR Image
  • Part#:1210Y1K00471FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1KV C0G/NP0 1210
  • In Stock:43257
$0.76/pcsRFQ
1206Y5000822JER Image
  • Part#:1206Y5000822JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 500V X7R 1206
  • In Stock:190704
$0.126/pcsRFQ
1808Y2500391JXT Image
  • Part#:1808Y2500391JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V X7R 1808
  • In Stock:122797
$0.162/pcsRFQ
2220J0630472JFR Image
  • Part#:2220J0630472JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 63V C0G/NP0 2220
  • In Stock:37036
$1.008/pcsRFQ
0805Y2500221JFT Image
  • Part#:0805Y2500221JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V C0G/NP0 0805
  • In Stock:204429
$0.114/pcsRFQ
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