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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

1812Y2000180GFR Image
  • Part#:1812Y2000180GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 200V C0G/NP0 1812
  • In Stock:43028
$0.917/pcsRFQ
2225J6300471FCT Image
  • Part#:2225J6300471FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 630V C0G/NP0 2225
  • In Stock:13347
$2.439/pcsRFQ
2220Y1K00474KXTWS2 Image
  • Part#:2220Y1K00474KXTWS2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 1KV X7R 2220
  • In Stock:26827
$1.129/pcsRFQ
1812Y1000181JCT Image
  • Part#:1812Y1000181JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 100V C0G/NP0 1812
  • In Stock:73644
$0.311/pcsRFQ
1825Y6300121JCT Image
  • Part#:1825Y6300121JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 630V C0G/NP0 1825
  • In Stock:53438
$0.66/pcsRFQ
1825J5000560JCR Image
  • Part#:1825J5000560JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 500V C0G/NP0 1825
  • In Stock:65248
$0.531/pcsRFQ
2220J1000561KCR Image
  • Part#:2220J1000561KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 100V C0G/NP0 2220
  • In Stock:60015
$0.631/pcsRFQ
1808J0250824MXR Image
  • Part#:1808J0250824MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 25V X7R 1808
  • In Stock:95269
$0.21/pcsRFQ
1206J2500392KXR Image
  • Part#:1206J2500392KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 250V X7R 1206
  • In Stock:278577
$0.076/pcsRFQ
1206J0106P80CCR Image
  • Part#:1206J0106P80CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 10V C0G/NP0 1206
  • In Stock:186891
$0.113/pcsRFQ
0505J0631P30BQT Image
  • Part#:0505J0631P30BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.3PF 63V C0G/NP0 0505
  • In Stock:145574
$0.165/pcsRFQ
1808Y2K50151FCR Image
  • Part#:1808Y2K50151FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 2.5KV C0G/NP0 1808
  • In Stock:49667
$0.707/pcsRFQ
0603Y0502P70CFR Image
  • Part#:0603Y0502P70CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 50V C0G/NP0 0603
  • In Stock:195277
$0.105/pcsRFQ
2220J2K00391JCR Image
  • Part#:2220J2K00391JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 2KV C0G/NP0 2220
  • In Stock:59506
$0.55/pcsRFQ
1825Y0500270JCT Image
  • Part#:1825Y0500270JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 50V C0G/NP0 1825
  • In Stock:34338
$0.894/pcsRFQ
1812Y3K00120GCR Image
  • Part#:1812Y3K00120GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 3KV C0G/NP0 1812
  • In Stock:63998
$0.48/pcsRFQ
2220J0630563GFT Image
  • Part#:2220J0630563GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.056UF 63V C0G/NP0 2220
  • In Stock:14677
$2.609/pcsRFQ
2225Y2000270JCT Image
  • Part#:2225Y2000270JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 200V C0G/NP0 2225
  • In Stock:39703
$0.976/pcsRFQ
1808J0100181KCT Image
  • Part#:1808J0100181KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 10V C0G/NP0 1808
  • In Stock:191382
$0.123/pcsRFQ
1812Y1K50152FCT Image
  • Part#:1812Y1K50152FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 1.5KV C0G 1812
  • In Stock:28327
$1.383/pcsRFQ
1210J2000392GAR Image
  • Part#:1210J2000392GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 200V C0G/NP0 1210
  • In Stock:52794
$0.591/pcsRFQ
0603J2006P80DCT Image
  • Part#:0603J2006P80DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 200V C0G/NP0 0603
  • In Stock:443986
$0.05/pcsRFQ
0603J0250820JCR Image
  • Part#:0603J0250820JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 25V C0G/NP0 0603
  • In Stock:311659
$0.063/pcsRFQ
  • Part#:2225Y0100330KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:43479
$0.814/pcsRFQ
1206Y0100680KCT Image
  • Part#:1206Y0100680KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 10V C0G/NP0 1206
  • In Stock:274852
$0.081/pcsRFQ
2225Y0500221FCR Image
  • Part#:2225Y0500221FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 50V C0G/NP0 2225
  • In Stock:12032
$3.072/pcsRFQ
0603J0630562KDT Image
  • Part#:0603J0630562KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 63V X7R 0603
  • In Stock:361289
$0.063/pcsRFQ
1206Y6300181MXT Image
  • Part#:1206Y6300181MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 630V X7R 1206
  • In Stock:298751
$0.072/pcsRFQ
  • Part#:0603Y0501P40HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 0603
  • In Stock:127731
$0.153/pcsRFQ
1812Y0500274MDT Image
  • Part#:1812Y0500274MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 50V X7R 1812
  • In Stock:61465
$0.533/pcsRFQ
1808J6300271JCR Image
  • Part#:1808J6300271JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 630V C0G/NP0 1808
  • In Stock:128590
$0.177/pcsRFQ
2225Y2500820FFR Image
  • Part#:2225Y2500820FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 250V C0G/NP0 2225
  • In Stock:7520
$4.896/pcsRFQ
0603Y0631P00CCR Image
  • Part#:0603Y0631P00CCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 63V C0G/NP0 0603
  • In Stock:293226
$0.072/pcsRFQ
1206J0160121JFR Image
  • Part#:1206J0160121JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 16V C0G/NP0 1206
  • In Stock:229702
$0.101/pcsRFQ
2225J2500123FCT Image
  • Part#:2225J2500123FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 250V C0G 2225
  • In Stock:9876
$3.912/pcsRFQ
1812J6K00561KXT Image
  • Part#:1812J6K00561KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 6KV X7R 1812
  • In Stock:75105
$0.27/pcsRFQ
2220Y2000394JDT Image
  • Part#:2220Y2000394JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 200V X7R 2220
  • In Stock:23634
$1.49/pcsRFQ
2225J1K00222MDT Image
  • Part#:2225J1K00222MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 1KV X7R 2225
  • In Stock:47367
$0.792/pcsRFQ
1206Y0500123JET Image
  • Part#:1206Y0500123JET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 50V X7R 1206
  • In Stock:152008
$0.144/pcsRFQ
1206J1000102GQT Image
  • Part#:1206J1000102GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 100V C0G/NP0 1206
  • In Stock:59084
$0.548/pcsRFQ
0805Y1000182KDT Image
  • Part#:0805Y1000182KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 100V X7R 0805
  • In Stock:254996
$0.089/pcsRFQ
1206Y0500390JFR Image
  • Part#:1206Y0500390JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 50V C0G/NP0 1206
  • In Stock:195061
$0.117/pcsRFQ
1111Y1002P40BQT Image
  • Part#:1111Y1002P40BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.4PF 100V C0G/NP0 1111
  • In Stock:68512
$0.317/pcsRFQ
0805J0500151JAT Image
  • Part#:0805J0500151JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 50V C0G/NP0 0805
  • In Stock:251745
$0.083/pcsRFQ
1808Y1000472JDR Image
  • Part#:1808Y1000472JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V X7R 1808
  • In Stock:86336
$0.22/pcsRFQ
2225Y2K50561MXT Image
  • Part#:2225Y2K50561MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 2.5KV X7R 2225
  • In Stock:60980
$0.591/pcsRFQ
1812Y0500121JFR Image
  • Part#:1812Y0500121JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 50V C0G/NP0 1812
  • In Stock:91254
$0.417/pcsRFQ
2220J0100220FCR Image
  • Part#:2220J0100220FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 10V C0G/NP0 2220
  • In Stock:13589
$2.531/pcsRFQ
0603Y1000471MER Image
  • Part#:0603Y1000471MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 100V X7R 0603
  • In Stock:395079
$0.059/pcsRFQ
0805Y1000102JAR Image
  • Part#:0805Y1000102JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 100V C0G/NP0 0805
  • In Stock:223557
$0.104/pcsRFQ
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