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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

1812Y0500560JFR Image
  • Part#:1812Y0500560JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 50V C0G/NP0 1812
  • In Stock:96121
$0.405/pcsRFQ
2220Y1K20273JXT Image
  • Part#:2220Y1K20273JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 1.2KV X7R 2220
  • In Stock:38220
$0.837/pcsRFQ
1808Y5000680FCR Image
  • Part#:1808Y5000680FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 500V C0G/NP0 1808
  • In Stock:64574
$0.498/pcsRFQ
1808J2000390KFR Image
  • Part#:1808J2000390KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 200V C0G/NP0 1808
  • In Stock:129357
$0.166/pcsRFQ
1111J1500122FQT Image
  • Part#:1111J1500122FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 150V C0G/NP0 1111
  • In Stock:20751
$1.779/pcsRFQ
1206Y0101P00DCT Image
  • Part#:1206Y0101P00DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 10V C0G/NP0 1206
  • In Stock:233245
$0.081/pcsRFQ
0805J5005P60BFT Image
  • Part#:0805J5005P60BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 500V C0G/NP0 0805
  • In Stock:66017
$0.288/pcsRFQ
2225J1K00561FCT Image
  • Part#:2225J1K00561FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 1KV C0G/NP0 2225
  • In Stock:16848
$2.079/pcsRFQ
1808Y0100824MXT Image
  • Part#:1808Y0100824MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 10V X7R 1808
  • In Stock:76156
$0.247/pcsRFQ
2225J2500823JDT Image
  • Part#:2225J2500823JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 250V X7R 2225
  • In Stock:31940
$1.232/pcsRFQ
1210J1K20681KXR Image
  • Part#:1210J1K20681KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1.2KV X7R 1210
  • In Stock:179925
$0.118/pcsRFQ
1825J2000100FCR Image
  • Part#:1825J2000100FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 200V C0G/NP0 1825
  • In Stock:11842
$3.015/pcsRFQ
  • Part#:2225J0160122FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:11183
$2.793/pcsRFQ
1812J5000562GFR Image
  • Part#:1812J5000562GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 500V C0G/NP0 1812
  • In Stock:46937
$0.699/pcsRFQ
1206Y0500561MET Image
  • Part#:1206Y0500561MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 50V X7R 1206
  • In Stock:193844
$0.111/pcsRFQ
1825J0500154FCT Image
  • Part#:1825J0500154FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 50V C0G/NP0 1825
  • In Stock:6226
$6.036/pcsRFQ
0805Y0630682MET Image
  • Part#:0805Y0630682MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 63V X7R 0805
  • In Stock:273551
$0.082/pcsRFQ
1808J4K00330GCT Image
  • Part#:1808J4K00330GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 4KV C0G/NP0 1808
  • In Stock:87868
$0.244/pcsRFQ
2220J0100394JXR Image
  • Part#:2220J0100394JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 10V X7R 2220
  • In Stock:46950
$0.794/pcsRFQ
0603J1000223JXR Image
  • Part#:0603J1000223JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 100V X7R 0603
  • In Stock:416600
$0.056/pcsRFQ
  • Part#:1206Y6300221MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:284378
$0.082/pcsRFQ
1210Y1000331KCT Image
  • Part#:1210Y1000331KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 100V C0G/NP0 1210
  • In Stock:126381
$0.163/pcsRFQ
2211YA250471KXTSPU Image
  • Part#:2211YA250471KXTSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V X7R 2211
  • In Stock:66716
$0.453/pcsRFQ
1206Y1K0P700CQT Image
  • Part#:1206Y1K0P700CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.7PF 1KV C0G/NP0 1206
  • In Stock:109517
$0.184/pcsRFQ
0603Y0250820JFT Image
  • Part#:0603Y0250820JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 25V C0G/NP0 0603
  • In Stock:200621
$0.098/pcsRFQ
2220Y6300272JCT Image
  • Part#:2220Y6300272JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 630V C0G/NP0 2220
  • In Stock:49402
$0.636/pcsRFQ
0603J200P500CUT Image
  • Part#:0603J200P500CUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.5PF 200V C0G/NP0 0603
  • In Stock:206469
$0.094/pcsRFQ
1111J3002P00HQT Image
  • Part#:1111J3002P00HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2PF 300V C0G/NP0 1111
  • In Stock:62471
$0.542/pcsRFQ
1206J1K23P30DCR Image
  • Part#:1206J1K23P30DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 1.2KV C0G/NP0 1206
  • In Stock:253401
$0.08/pcsRFQ
1812Y0500150GCR Image
  • Part#:1812Y0500150GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 50V C0G/NP0 1812
  • In Stock:63331
$0.577/pcsRFQ
1825Y1K50391FCT Image
  • Part#:1825Y1K50391FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1.5KV C0G/NP0 1825
  • In Stock:16598
$2.328/pcsRFQ
1825Y4K00820KCR Image
  • Part#:1825Y4K00820KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 4KV C0G/NP0 1825
  • In Stock:77106
$0.306/pcsRFQ
1210J2000820JFR Image
  • Part#:1210J2000820JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 200V C0G/NP0 1210
  • In Stock:84840
$0.247/pcsRFQ
1808JA250101KCRPY2 Image
  • Part#:1808JA250101KCRPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 250V C0G/NP0 1808
  • In Stock:82345
$0.281/pcsRFQ
1210J2000390GFR Image
  • Part#:1210J2000390GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 200V C0G/NP0 1210
  • In Stock:70239
$0.452/pcsRFQ
2225J5000102JXT Image
  • Part#:2225J5000102JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 500V X7R 2225
  • In Stock:50683
$0.761/pcsRFQ
1808J0250393MXR Image
  • Part#:1808J0250393MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 25V X7R 1808
  • In Stock:153718
$0.126/pcsRFQ
2225J0250104KCR Image
  • Part#:2225J0250104KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 25V C0G/NP0 2225
  • In Stock:31249
$1.173/pcsRFQ
1825Y0500333KXR Image
  • Part#:1825Y0500333KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V X7R 1825
  • In Stock:39083
$0.787/pcsRFQ
1825Y5000474JXT Image
  • Part#:1825Y5000474JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 500V X7R 1825
  • In Stock:17506
$1.78/pcsRFQ
2220J0630153KDR Image
  • Part#:2220J0630153KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 63V X7R 2220
  • In Stock:41641
$0.883/pcsRFQ
1210J1K00182JXR Image
  • Part#:1210J1K00182JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1KV X7R 1210
  • In Stock:139733
$0.154/pcsRFQ
0805Y0250330JFT Image
  • Part#:0805Y0250330JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 25V C0G/NP0 0805
  • In Stock:230421
$0.085/pcsRFQ
1808Y0160332FFT Image
  • Part#:1808Y0160332FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 16V C0G/NP0 1808
  • In Stock:66494
$0.584/pcsRFQ
2220J4K00150GCT Image
  • Part#:2220J4K00150GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 4KV C0G/NP0 2220
  • In Stock:70644
$0.459/pcsRFQ
2220Y2500333MXT Image
  • Part#:2220Y2500333MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 250V X7R 2220
  • In Stock:57349
$0.686/pcsRFQ
0603J0630561JXT Image
  • Part#:0603J0630561JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 63V X7R 0603
  • In Stock:384819
$0.05/pcsRFQ
1206J0633P30BFR Image
  • Part#:1206J0633P30BFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 63V C0G/NP0 1206
  • In Stock:53156
$0.352/pcsRFQ
0805Y0632P70BQT Image
  • Part#:0805Y0632P70BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 63V C0G/NP0 0805
  • In Stock:125818
$0.179/pcsRFQ
1825J2500564MXR Image
  • Part#:1825J2500564MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 250V X7R 1825
  • In Stock:42172
$0.877/pcsRFQ
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