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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

0603Y2500181MDT Image
  • Part#:0603Y2500181MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V X7R 0603
  • In Stock:388034
$0.061/pcsRFQ
1825J1K20563KXR Image
  • Part#:1825J1K20563KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 1.2KV X7R 1825
  • In Stock:45965
$0.746/pcsRFQ
1812Y5000560KCR Image
  • Part#:1812Y5000560KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 500V C0G/NP0 1812
  • In Stock:86456
$0.269/pcsRFQ
1808J0250563JXR Image
  • Part#:1808J0250563JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 25V X7R 1808
  • In Stock:146188
$0.162/pcsRFQ
1825J2500103JCT Image
  • Part#:1825J2500103JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 250V C0G 1825
  • In Stock:36904
$0.95/pcsRFQ
1812J0500391FCT Image
  • Part#:1812J0500391FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 50V C0G/NP0 1812
  • In Stock:36053
$0.873/pcsRFQ
1825J6300220GCR Image
  • Part#:1825J6300220GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 630V C0G/NP0 1825
  • In Stock:28992
$1.034/pcsRFQ
2220Y0500473JFR Image
  • Part#:2220Y0500473JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 50V C0G/NP0 2220
  • In Stock:20775
$1.578/pcsRFQ
1812J0630121FFR Image
  • Part#:1812J0630121FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 1812
  • In Stock:29266
$1.267/pcsRFQ
2220Y0630394MDR Image
  • Part#:2220Y0630394MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 63V X7R 2220
  • In Stock:36990
$1.005/pcsRFQ
1825Y0500682KCT Image
  • Part#:1825Y0500682KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 50V C0G/NP0 1825
  • In Stock:47152
$0.825/pcsRFQ
1206Y0635P60BCR Image
  • Part#:1206Y0635P60BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 63V C0G/NP0 1206
  • In Stock:89999
$0.245/pcsRFQ
0603Y1000151GFR Image
  • Part#:0603Y1000151GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 100V C0G/NP0 0603
  • In Stock:138475
$0.139/pcsRFQ
1825Y0500150JCT Image
  • Part#:1825Y0500150JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 50V C0G/NP0 1825
  • In Stock:43962
$0.893/pcsRFQ
1210J0250824JXR Image
  • Part#:1210J0250824JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 25V X7R 1210
  • In Stock:71410
$0.326/pcsRFQ
1812Y0500155JDT Image
  • Part#:1812Y0500155JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5UF 50V X7R 1812
  • In Stock:33849
$1.009/pcsRFQ
1210J0160393MXR Image
  • Part#:1210J0160393MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 16V X7R 1210
  • In Stock:135591
$0.143/pcsRFQ
2225J0630564KXR Image
  • Part#:2225J0630564KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 63V X7R 2225
  • In Stock:39879
$0.836/pcsRFQ
1210J0500224MDR Image
  • Part#:1210J0500224MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 50V X7R 1210
  • In Stock:94628
$0.238/pcsRFQ
1808Y0500332MDR Image
  • Part#:1808Y0500332MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 50V X7R 1808
  • In Stock:102326
$0.194/pcsRFQ
1206Y0630222KFT Image
  • Part#:1206Y0630222KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 63V C0G/NP0 1206
  • In Stock:139277
$0.147/pcsRFQ
1808J0505P60BFT Image
  • Part#:1808J0505P60BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 50V C0G/NP0 1808
  • In Stock:56273
$0.616/pcsRFQ
1808Y2000561KDT Image
  • Part#:1808Y2000561KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 200V X7R 1808
  • In Stock:109179
$0.189/pcsRFQ
0805J0505P60CQT Image
  • Part#:0805J0505P60CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 50V C0G/NP0 0805
  • In Stock:120657
$0.161/pcsRFQ
2225Y0250273JCT Image
  • Part#:2225Y0250273JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 25V C0G/NP0 2225
  • In Stock:33265
$1.184/pcsRFQ
1808J0500333JDR Image
  • Part#:1808J0500333JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V X7R 1808
  • In Stock:90935
$0.234/pcsRFQ
1210J1K50680FCR Image
  • Part#:1210J1K50680FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 1.5KV C0G/NP0 1210
  • In Stock:80116
$0.42/pcsRFQ
1812J0630390KCT Image
  • Part#:1812J0630390KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 63V C0G/NP0 1812
  • In Stock:75883
$0.27/pcsRFQ
0603Y0630272MDT Image
  • Part#:0603Y0630272MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 63V X7R 0603
  • In Stock:316674
$0.063/pcsRFQ
1206Y0160820KFR Image
  • Part#:1206Y0160820KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 16V C0G/NP0 1206
  • In Stock:182111
$0.113/pcsRFQ
1808Y0630120JCR Image
  • Part#:1808Y0630120JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 63V C0G/NP0 1808
  • In Stock:173751
$0.136/pcsRFQ
1111Y1K00221KQT Image
  • Part#:1111Y1K00221KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1KV C0G/NP0 1111
  • In Stock:86710
$0.441/pcsRFQ
1111J6304P00HQT Image
  • Part#:1111J6304P00HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4PF 630V C0G/NP0 1111
  • In Stock:36671
$1.007/pcsRFQ
1825Y3K00821GCT Image
  • Part#:1825Y3K00821GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 3KV C0G/NP0 1825
  • In Stock:28694
$1.366/pcsRFQ
1111J5000470FUT Image
  • Part#:1111J5000470FUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 500V C0G/NP0 1111
  • In Stock:4086
 RFQ
1808J2500274KXR Image
  • Part#:1808J2500274KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 250V X7R 1808
  • In Stock:83175
$0.241/pcsRFQ
1825Y2500121GCT Image
  • Part#:1825Y2500121GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 250V C0G/NP0 1825
  • In Stock:21604
$1.738/pcsRFQ
0805Y2002P70CFR Image
  • Part#:0805Y2002P70CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 200V C0G/NP0 0805
  • In Stock:167548
$0.132/pcsRFQ
2220Y1000331KFT Image
  • Part#:2220Y1000331KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 100V C0G/NP0 2220
  • In Stock:24807
$1.291/pcsRFQ
2225J4K00330KCT Image
  • Part#:2225J4K00330KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 4KV C0G/NP0 2225
  • In Stock:58340
$0.358/pcsRFQ
2225Y5000123FCR Image
  • Part#:2225Y5000123FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 500V C0G 2225
  • In Stock:8855
$3.451/pcsRFQ
1210Y0630391KFT Image
  • Part#:1210Y0630391KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 63V C0G/NP0 1210
  • In Stock:86061
$0.251/pcsRFQ
2225Y2500392JFT Image
  • Part#:2225Y2500392JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 250V C0G/NP0 2225
  • In Stock:20610
$1.69/pcsRFQ
0603J0250182FCT Image
  • Part#:0603J0250182FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 25V C0G/NP0 0603
  • In Stock:93020
$0.233/pcsRFQ
1808Y0250393KDT Image
  • Part#:1808Y0250393KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 25V X7R 1808
  • In Stock:116526
$0.208/pcsRFQ
2225Y2000822FFR Image
  • Part#:2225Y2000822FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 200V C0G/NP0 2225
  • In Stock:6054
$6.205/pcsRFQ
1812J3K00151JXR Image
  • Part#:1812J3K00151JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 3KV X7R 1812
  • In Stock:66461
$0.303/pcsRFQ
2225J0630821GFT Image
  • Part#:2225J0630821GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 63V C0G/NP0 2225
  • In Stock:13998
$2.29/pcsRFQ
1812Y0250184JDT Image
  • Part#:1812Y0250184JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 25V X7R 1812
  • In Stock:63013
$0.609/pcsRFQ
0603J0630182KDR Image
  • Part#:0603J0630182KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 63V X7R 0603
  • In Stock:307557
$0.062/pcsRFQ
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