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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

1812YA250181MXRSY2 Image
  • Part#:1812YA250181MXRSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V X7R 1812
  • In Stock:61748
$0.318/pcsRFQ
0805J0500160FQT Image
  • Part#:0805J0500160FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 16PF 50V C0G/NP0 0805
  • In Stock:58466
$0.525/pcsRFQ
2225J0500125JXT Image
  • Part#:2225J0500125JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2UF 50V X7R 2225
  • In Stock:26601
$1.132/pcsRFQ
0805J2009P10BUT Image
  • Part#:0805J2009P10BUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 9.1PF 200V C0G/NP0 0805
  • In Stock:85007
$0.444/pcsRFQ
1206Y0500124KDT Image
  • Part#:1206Y0500124KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 50V X7R 1206
  • In Stock:156433
$0.146/pcsRFQ
1210J1000152GAT Image
  • Part#:1210J1000152GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 100V C0G/NP0 1210
  • In Stock:63599
$0.478/pcsRFQ
0603J0100392KXR Image
  • Part#:0603J0100392KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 10V X7R 0603
  • In Stock:427194
$0.044/pcsRFQ
  • Part#:0805J0250153MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 25V X7R 0805
  • In Stock:401224
$0.053/pcsRFQ
1808J2000182KXT Image
  • Part#:1808J2000182KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 200V X7R 1808
  • In Stock:162550
$0.126/pcsRFQ
1825Y0250471FCT Image
  • Part#:1825Y0250471FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 25V C0G/NP0 1825
  • In Stock:11411
$2.925/pcsRFQ
1825J1K20333JXR Image
  • Part#:1825J1K20333JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 1.2KV X7R 1825
  • In Stock:42861
$0.897/pcsRFQ
0505J3000360JQT Image
  • Part#:0505J3000360JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 36PF 300V C0G/NP0 0505
  • In Stock:109593
$0.187/pcsRFQ
1210J0500180JFR Image
  • Part#:1210J0500180JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 50V C0G/NP0 1210
  • In Stock:78389
$0.242/pcsRFQ
  • Part#:1206Y063P700CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 1206
  • In Stock:153812
$0.147/pcsRFQ
0603Y0160391MDT Image
  • Part#:0603Y0160391MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 16V X7R 0603
  • In Stock:322588
$0.067/pcsRFQ
2220J2000330GCT Image
  • Part#:2220J2000330GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 200V C0G/NP0 2220
  • In Stock:24680
$1.354/pcsRFQ
2220J2000391GCR Image
  • Part#:2220J2000391GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 200V C0G/NP0 2220
  • In Stock:31196
$1.236/pcsRFQ
1111Y200P900CQT Image
  • Part#:1111Y200P900CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.9PF 200V C0G/NP0 1111
  • In Stock:83085
$0.288/pcsRFQ
1812J6K00121GCT Image
  • Part#:1812J6K00121GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 6KV C0G/NP0 1812
  • In Stock:84070
$0.396/pcsRFQ
1812Y2500102FFR Image
  • Part#:1812Y2500102FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 250V C0G/NP0 1812
  • In Stock:23035
$1.604/pcsRFQ
0603Y0250122FCR Image
  • Part#:0603Y0250122FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 25V C0G/NP0 0603
  • In Stock:96971
$0.233/pcsRFQ
0603Y2500820KCR Image
  • Part#:0603Y2500820KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 250V C0G/NP0 0603
  • In Stock:409666
$0.054/pcsRFQ
1808J1K00822KDR Image
  • Part#:1808J1K00822KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 1KV X7R 1808
  • In Stock:96603
$0.242/pcsRFQ
1825Y5K00221JCT Image
  • Part#:1825Y5K00221JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 5KV C0G/NP0 1825
  • In Stock:70871
$0.429/pcsRFQ
0505J0501P10BQT Image
  • Part#:0505J0501P10BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.1PF 50V C0G/NP0 0505
  • In Stock:141102
$0.159/pcsRFQ
1210J2500390KCT Image
  • Part#:1210J2500390KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 250V C0G/NP0 1210
  • In Stock:129344
$0.166/pcsRFQ
1808YA250181KXRPY2 Image
  • Part#:1808YA250181KXRPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V X7R 1808
  • In Stock:75088
$0.285/pcsRFQ
1206Y1000561KET Image
  • Part#:1206Y1000561KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 100V X7R 1206
  • In Stock:179963
$0.115/pcsRFQ
1825J0100470FCR Image
  • Part#:1825J0100470FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 10V C0G/NP0 1825
  • In Stock:11700
$2.897/pcsRFQ
2225J2K50561KXR Image
  • Part#:2225J2K50561KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 2.5KV X7R 2225
  • In Stock:62723
$0.539/pcsRFQ
1206Y1K00220KFT Image
  • Part#:1206Y1K00220KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 1KV C0G/NP0 1206
  • In Stock:149332
$0.14/pcsRFQ
1812Y1K20182JXT Image
  • Part#:1812Y1K20182JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1.2KV X7R 1812
  • In Stock:54046
$0.353/pcsRFQ
2220J0500330GFT Image
  • Part#:2220J0500330GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 50V C0G/NP0 2220
  • In Stock:18815
$1.865/pcsRFQ
1210Y2500473JDR Image
  • Part#:1210Y2500473JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 250V X7R 1210
  • In Stock:58427
$0.323/pcsRFQ
1206J1500120JQT Image
  • Part#:1206J1500120JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 150V C0G/NP0 1206
  • In Stock:113536
$0.205/pcsRFQ
1206Y0500471KER Image
  • Part#:1206Y0500471KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 50V X7R 1206
  • In Stock:188879
$0.108/pcsRFQ
1206J1K00180GFR Image
  • Part#:1206J1K00180GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1KV C0G/NP0 1206
  • In Stock:246183
$0.085/pcsRFQ
1812J0250473MDT Image
  • Part#:1812J0250473MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 25V X7R 1812
  • In Stock:102205
$0.368/pcsRFQ
0603J3002P40DQT Image
  • Part#:0603J3002P40DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.4PF 300V C0G/NP0 0603
  • In Stock:259615
$0.091/pcsRFQ
1210J1K00273MXR Image
  • Part#:1210J1K00273MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 1KV X7R 1210
  • In Stock:137910
$0.163/pcsRFQ
1206J0630272KDR Image
  • Part#:1206J0630272KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 63V X7R 1206
  • In Stock:229372
$0.105/pcsRFQ
1808J2500680GCR Image
  • Part#:1808J2500680GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 250V C0G/NP0 1808
  • In Stock:111157
$0.183/pcsRFQ
2220J1K00223MDR Image
  • Part#:2220J1K00223MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 1KV X7R 2220
  • In Stock:51115
$0.638/pcsRFQ
2225Y1000181GCT Image
  • Part#:2225Y1000181GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 100V C0G/NP0 2225
  • In Stock:19285
$1.568/pcsRFQ
1206J2000360JQT Image
  • Part#:1206J2000360JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 36PF 200V C0G/NP0 1206
  • In Stock:126550
$0.184/pcsRFQ
  • Part#:0603J2000620FUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 62PF 200V C0G/NP0 0603
  • In Stock:70421
$0.28/pcsRFQ
0603Y0630270JAR Image
  • Part#:0603Y0630270JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 63V C0G/NP0 0603
  • In Stock:316330
$0.074/pcsRFQ
2220J1K00153KDT Image
  • Part#:2220J1K00153KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 1KV X7R 2220
  • In Stock:44106
$0.736/pcsRFQ
1206J1500270KQT Image
  • Part#:1206J1500270KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 150V C0G/NP0 1206
  • In Stock:125831
$0.183/pcsRFQ
1825Y0250683MXT Image
  • Part#:1825Y0250683MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 25V X7R 1825
  • In Stock:38987
$0.791/pcsRFQ
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