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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

1210J5000681MDT Image
  • Part#:1210J5000681MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 500V X7R 1210
  • In Stock:152180
$0.149/pcsRFQ
1808JA250331KXTSY2 Image
  • Part#:1808JA250331KXTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 250V X7R 1808
  • In Stock:83016
$0.254/pcsRFQ
1812Y0250124JXT Image
  • Part#:1812Y0250124JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 25V X7R 1812
  • In Stock:83821
$0.376/pcsRFQ
1825Y1K00151KCT Image
  • Part#:1825Y1K00151KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1KV C0G/NP0 1825
  • In Stock:57251
$0.602/pcsRFQ
1825Y1K20561MXT Image
  • Part#:1825Y1K20561MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1.2KV X7R 1825
  • In Stock:67027
$0.554/pcsRFQ
1812J1000152GAR Image
  • Part#:1812J1000152GAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 100V C0G/NP0 1812
  • In Stock:54079
$0.697/pcsRFQ
  • Part#:0805Y0160562JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0805
  • In Stock:357587
$0.063/pcsRFQ
1210Y1000102KAR Image
  • Part#:1210Y1000102KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 100V C0G/NP0 1210
  • In Stock:93003
$0.258/pcsRFQ
0603J0500100FAR Image
  • Part#:0603J0500100FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 50V C0G/NP0 0603
  • In Stock:86112
$0.243/pcsRFQ
0603J0500121KFR Image
  • Part#:0603J0500121KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 50V C0G/NP0 0603
  • In Stock:323493
$0.074/pcsRFQ
1825Y0160271GCR Image
  • Part#:1825Y0160271GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 16V C0G/NP0 1825
  • In Stock:19184
$1.708/pcsRFQ
1808Y0630562GFR Image
  • Part#:1808Y0630562GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 63V C0G/NP0 1808
  • In Stock:72043
$0.297/pcsRFQ
1812J0500123JXT Image
  • Part#:1812J0500123JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 50V X7R 1812
  • In Stock:78072
$0.299/pcsRFQ
2220Y0250122KCT Image
  • Part#:2220Y0250122KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 25V C0G/NP0 2220
  • In Stock:47600
$0.753/pcsRFQ
2220Y6300333JXR Image
  • Part#:2220Y6300333JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 630V X7R 2220
  • In Stock:41738
$0.745/pcsRFQ
1812J1K00122JCR Image
  • Part#:1812J1K00122JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 1KV C0G/NP0 1812
  • In Stock:75119
$0.303/pcsRFQ
1210J1000332GFT Image
  • Part#:1210J1000332GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 100V C0G/NP0 1210
  • In Stock:67436
$0.507/pcsRFQ
1206J3000151FQT Image
  • Part#:1206J3000151FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 300V C0G/NP0 1206
  • In Stock:53690
$0.702/pcsRFQ
  • Part#:1825J1K20122JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:46978
$0.749/pcsRFQ
1111J5000221GQT Image
  • Part#:1111J5000221GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 500V C0G/NP0 1111
  • In Stock:47795
$0.766/pcsRFQ
1210J2000181FCR Image
  • Part#:1210J2000181FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 200V C0G/NP0 1210
  • In Stock:53973
$0.588/pcsRFQ
1210Y0630821GAT Image
  • Part#:1210Y0630821GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 63V C0G/NP0 1210
  • In Stock:68361
$0.452/pcsRFQ
2225J1K00181MDR Image
  • Part#:2225J1K00181MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1KV X7R 2225
  • In Stock:36277
$0.862/pcsRFQ
1812Y2K00471KXR Image
  • Part#:1812Y2K00471KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 2KV X7R 1812
  • In Stock:86201
$0.28/pcsRFQ
0603Y1001P50DAR Image
  • Part#:0603Y1001P50DAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 100V C0G/NP0 0603
  • In Stock:311258
$0.072/pcsRFQ
1825J6300181FCR Image
  • Part#:1825J6300181FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 630V C0G/NP0 1825
  • In Stock:16886
$1.915/pcsRFQ
1808J1000183JCR Image
  • Part#:1808J1000183JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 100V C0G 1808
  • In Stock:69001
$0.274/pcsRFQ
  • Part#:1206Y1000104KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 100V X7R 1206
  • In Stock:127543
$0.161/pcsRFQ
1206Y6300392MET Image
  • Part#:1206Y6300392MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 630V X7R 1206
  • In Stock:166293
$0.115/pcsRFQ
1825Y2500392FCT Image
  • Part#:1825Y2500392FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 250V C0G/NP0 1825
  • In Stock:10962
$3.244/pcsRFQ
2220Y1K50471KXT Image
  • Part#:2220Y1K50471KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.5KV X7R 2220
  • In Stock:61708
$0.536/pcsRFQ
1825J0160180FCR Image
  • Part#:1825J0160180FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 16V C0G/NP0 1825
  • In Stock:10882
$2.87/pcsRFQ
1825Y2K50471FCR Image
  • Part#:1825Y2K50471FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 2.5KV C0G/NP0 1825
  • In Stock:13140
$2.545/pcsRFQ
1812J0250180GCT Image
  • Part#:1812J0250180GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 25V C0G/NP0 1812
  • In Stock:69672
$0.549/pcsRFQ
0805J0630390JAR Image
  • Part#:0805J0630390JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 63V C0G/NP0 0805
  • In Stock:305625
$0.079/pcsRFQ
1812Y1K20681JCR Image
  • Part#:1812Y1K20681JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1.2KV C0G/NP0 1812
  • In Stock:68532
$0.283/pcsRFQ
0603Y0100121MXT Image
  • Part#:0603Y0100121MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 10V X7R 0603
  • In Stock:453354
$0.046/pcsRFQ
1812Y1K50120JCR Image
  • Part#:1812Y1K50120JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1.5KV C0G/NP0 1812
  • In Stock:69329
$0.306/pcsRFQ
2225J0500220FCT Image
  • Part#:2225J0500220FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 50V C0G/NP0 2225
  • In Stock:13633
$2.825/pcsRFQ
  • Part#:1808Y1K50102KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:204209
$0.1/pcsRFQ
1812J0500181JFR Image
  • Part#:1812J0500181JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 50V C0G/NP0 1812
  • In Stock:85312
$0.368/pcsRFQ
  • Part#:1825Y2K00222JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:59902
$0.659/pcsRFQ
  • Part#:2225J0160122FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:9110
$4.223/pcsRFQ
1210Y6300390JCR Image
  • Part#:1210Y6300390JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 630V C0G/NP0 1210
  • In Stock:174201
$0.125/pcsRFQ
1210J0250332JCR Image
  • Part#:1210J0250332JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 25V C0G/NP0 1210
  • In Stock:135755
$0.175/pcsRFQ
1812J1000560JAR Image
  • Part#:1812J1000560JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 100V C0G/NP0 1812
  • In Stock:67172
$0.346/pcsRFQ
0805Y0106P80CCT Image
  • Part#:0805Y0106P80CCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 10V C0G/NP0 0805
  • In Stock:227040
$0.091/pcsRFQ
1210Y0630180GFR Image
  • Part#:1210Y0630180GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 63V C0G/NP0 1210
  • In Stock:83545
$0.442/pcsRFQ
1808J0100560FCR Image
  • Part#:1808J0100560FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 10V C0G/NP0 1808
  • In Stock:66889
$0.339/pcsRFQ
1812J1K00681KCT Image
  • Part#:1812J1K00681KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1KV C0G/NP0 1812
  • In Stock:80579
$0.292/pcsRFQ
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