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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

0603Y0251P50DCT Image
  • Part#:0603Y0251P50DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 25V C0G/NP0 0603
  • In Stock:373119
$0.064/pcsRFQ
0805Y2000121KAR Image
  • Part#:0805Y2000121KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 200V C0G/NP0 0805
  • In Stock:220940
$0.1/pcsRFQ
0805Y0630102FCR Image
  • Part#:0805Y0630102FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 63V C0G/NP0 0805
  • In Stock:109811
$0.203/pcsRFQ
1812J3K00271JXR Image
  • Part#:1812J3K00271JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 3KV X7R 1812
  • In Stock:71073
$0.3/pcsRFQ
1812Y0160120JFT Image
  • Part#:1812Y0160120JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 16V C0G/NP0 1812
  • In Stock:54103
$0.561/pcsRFQ
2225J0250471JFT Image
  • Part#:2225J0250471JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 25V C0G/NP0 2225
  • In Stock:21912
$1.37/pcsRFQ
1210Y1000471JAR Image
  • Part#:1210Y1000471JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 100V C0G/NP0 1210
  • In Stock:80055
$0.248/pcsRFQ
0805J0250680GFT Image
  • Part#:0805J0250680GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 25V C0G/NP0 0805
  • In Stock:136780
$0.144/pcsRFQ
2225J0500471KFT Image
  • Part#:2225J0500471KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 50V C0G/NP0 2225
  • In Stock:29879
$1.112/pcsRFQ
2225Y6300102GCR Image
  • Part#:2225Y6300102GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 630V C0G/NP0 2225
  • In Stock:24269
$1.502/pcsRFQ
2225J0630121JCR Image
  • Part#:2225J0630121JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 2225
  • In Stock:45755
$0.788/pcsRFQ
1111Y1K00330JQT Image
  • Part#:1111Y1K00330JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 1KV C0G/NP0 1111
  • In Stock:70076
$0.343/pcsRFQ
1812J1K00820KDT Image
  • Part#:1812J1K00820KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 1KV X7R 1812
  • In Stock:94136
$0.386/pcsRFQ
2220J0250273KCT Image
  • Part#:2220J0250273KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 25V C0G/NP0 2220
  • In Stock:48409
$0.792/pcsRFQ
2220Y6300822KXR Image
  • Part#:2220Y6300822KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 630V X7R 2220
  • In Stock:69995
$0.508/pcsRFQ
1206Y1000221KQT Image
  • Part#:1206Y1000221KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 100V C0G/NP0 1206
  • In Stock:81865
$0.236/pcsRFQ
1210Y0100152KXT Image
  • Part#:1210Y0100152KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 10V X7R 1210
  • In Stock:143851
$0.151/pcsRFQ
1808Y1K50680JCR Image
  • Part#:1808Y1K50680JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 1.5KV C0G/NP0 1808
  • In Stock:125224
$0.154/pcsRFQ
1808J6300471KXT Image
  • Part#:1808J6300471KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 630V X7R 1808
  • In Stock:84194
$0.232/pcsRFQ
0603J0255P60DFT Image
  • Part#:0603J0255P60DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 25V C0G/NP0 0603
  • In Stock:268572
$0.09/pcsRFQ
1206J2500360FQT Image
  • Part#:1206J2500360FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 36PF 250V C0G/NP0 1206
  • In Stock:46008
$0.677/pcsRFQ
1825J4K00390GCR Image
  • Part#:1825J4K00390GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 4KV C0G/NP0 1825
  • In Stock:64432
$0.491/pcsRFQ
1206J0100390JCR Image
  • Part#:1206J0100390JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 10V C0G/NP0 1206
  • In Stock:273947
$0.079/pcsRFQ
2220J4K00220KCR Image
  • Part#:2220J4K00220KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 4KV C0G/NP0 2220
  • In Stock:91406
$0.238/pcsRFQ
1812Y0630561GFT Image
  • Part#:1812Y0630561GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 63V C0G/NP0 1812
  • In Stock:39035
$0.813/pcsRFQ
1812Y2500332FFR Image
  • Part#:1812Y2500332FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 250V C0G/NP0 1812
  • In Stock:17720
$1.881/pcsRFQ
1812J0630183JFR Image
  • Part#:1812J0630183JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 63V C0G/NP0 1812
  • In Stock:62976
$0.487/pcsRFQ
1206Y0100182KXR Image
  • Part#:1206Y0100182KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 10V X7R 1206
  • In Stock:280424
$0.075/pcsRFQ
0603J0100561GCR Image
  • Part#:0603J0100561GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 10V C0G/NP0 0603
  • In Stock:190879
$0.108/pcsRFQ
0805J0500182JFT Image
  • Part#:0805J0500182JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 50V C0G/NP0 0805
  • In Stock:202681
$0.117/pcsRFQ
1825J0250123FCT Image
  • Part#:1825J0250123FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 25V C0G/NP0 1825
  • In Stock:13597
$2.782/pcsRFQ
1206Y6300121JER Image
  • Part#:1206Y6300121JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 630V X7R 1206
  • In Stock:137643
$0.146/pcsRFQ
1812J2K00472KXT Image
  • Part#:1812J2K00472KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 2KV X7R 1812
  • In Stock:80041
$0.278/pcsRFQ
2220J5K00470JCR Image
  • Part#:2220J5K00470JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 5KV C0G/NP0 2220
  • In Stock:79638
$0.261/pcsRFQ
1812Y0250220JCT Image
  • Part#:1812Y0250220JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 25V C0G/NP0 1812
  • In Stock:60303
$0.318/pcsRFQ
1210Y1000823JER Image
  • Part#:1210Y1000823JER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 100V X7R 1210
  • In Stock:59718
$0.316/pcsRFQ
0805Y1000821MDR Image
  • Part#:0805Y1000821MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 100V X7R 0805
  • In Stock:261777
$0.082/pcsRFQ
1206J2K03P30CQT Image
  • Part#:1206J2K03P30CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 2KV C0G/NP0 1206
  • In Stock:120880
$0.198/pcsRFQ
0603Y0500560KCR Image
  • Part#:0603Y0500560KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 50V C0G/NP0 0603
  • In Stock:482264
$0.047/pcsRFQ
2225Y0630684KDT Image
  • Part#:2225Y0630684KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 63V X7R 2225
  • In Stock:21789
$1.416/pcsRFQ
1111J1000330KQT Image
  • Part#:1111J1000330KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 100V C0G/NP0 1111
  • In Stock:64005
$0.34/pcsRFQ
1210Y2500221KFT Image
  • Part#:1210Y2500221KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V C0G/NP0 1210
  • In Stock:76273
$0.259/pcsRFQ
1206J0160392MDT Image
  • Part#:1206J0160392MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 16V X7R 1206
  • In Stock:181327
$0.105/pcsRFQ
1210Y1000102KET Image
  • Part#:1210Y1000102KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 100V X7R 1210
  • In Stock:104034
$0.232/pcsRFQ
0805J5000271JFT Image
  • Part#:0805J5000271JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 500V C0G/NP0 0805
  • In Stock:207802
$0.095/pcsRFQ
0603Y2500820GQT Image
  • Part#:0603Y2500820GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 250V C0G/NP0 0603
  • In Stock:75632
$0.306/pcsRFQ
1825J0630393KCR Image
  • Part#:1825J0630393KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 63V C0G/NP0 1825
  • In Stock:44743
$0.859/pcsRFQ
1808Y0160222JDR Image
  • Part#:1808Y0160222JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 16V X7R 1808
  • In Stock:119529
$0.178/pcsRFQ
2220Y0250271GCR Image
  • Part#:2220Y0250271GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 25V C0G/NP0 2220
  • In Stock:24851
$1.54/pcsRFQ
1825J1K20681KXR Image
  • Part#:1825J1K20681KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1.2KV X7R 1825
  • In Stock:65663
$0.48/pcsRFQ
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