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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

0603Y0630471JAR Image
  • Part#:0603Y0630471JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 63V C0G/NP0 0603
  • In Stock:248188
$0.084/pcsRFQ
1825J1K50270JCR Image
  • Part#:1825J1K50270JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 1.5KV C0G/NP0 1825
  • In Stock:67635
$0.499/pcsRFQ
0805Y1000681MXTE03 Image
  • Part#:0805Y1000681MXTE03
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 100V X7R 0805
  • In Stock:94329
$0.221/pcsRFQ
2225J1K00272JFT Image
  • Part#:2225J1K00272JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 1KV C0G/NP0 2225
  • In Stock:31167
$1.07/pcsRFQ
1808J0630392FFR Image
  • Part#:1808J0630392FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 63V C0G/NP0 1808
  • In Stock:61708
$0.551/pcsRFQ
0603Y0250102JDR Image
  • Part#:0603Y0250102JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 25V X7R 0603
  • In Stock:318217
$0.073/pcsRFQ
1825Y2K00390KCT Image
  • Part#:1825Y2K00390KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 2KV C0G/NP0 1825
  • In Stock:47915
$0.667/pcsRFQ
1808Y2000561MDR Image
  • Part#:1808Y2000561MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 200V X7R 1808
  • In Stock:125028
$0.164/pcsRFQ
1812Y0630562MER Image
  • Part#:1812Y0630562MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 63V X7R 1812
  • In Stock:91717
$0.385/pcsRFQ
1808J0160221GCT Image
  • Part#:1808J0160221GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 16V C0G/NP0 1808
  • In Stock:102180
$0.198/pcsRFQ
2220J1000682GCT Image
  • Part#:2220J1000682GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 100V C0G/NP0 2220
  • In Stock:27709
$1.187/pcsRFQ
1808Y1000184KXT Image
  • Part#:1808Y1000184KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 100V X7R 1808
  • In Stock:105272
$0.194/pcsRFQ
1206Y1008P20BCR Image
  • Part#:1206Y1008P20BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 100V C0G/NP0 1206
  • In Stock:85167
$0.243/pcsRFQ
1808J0250392KDR Image
  • Part#:1808J0250392KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 25V X7R 1808
  • In Stock:143159
$0.166/pcsRFQ
1111Y2K01P50HQT Image
  • Part#:1111Y2K01P50HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5PF 2000V C0G/NP0 1111
  • In Stock:67716
$0.54/pcsRFQ
1808J5000120GFT Image
  • Part#:1808J5000120GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 500V C0G/NP0 1808
  • In Stock:87103
$0.359/pcsRFQ
2220J0160153GFR Image
  • Part#:2220J0160153GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 16V C0G/NP0 2220
  • In Stock:18001
$2.056/pcsRFQ
0603J2500160FUT Image
  • Part#:0603J2500160FUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 16PF 250V C0G/NP0 0603
  • In Stock:68654
$0.328/pcsRFQ
1808J0500103JFT Image
  • Part#:1808J0500103JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 50V C0G/NP0 1808
  • In Stock:82086
$0.254/pcsRFQ
1812J1K00392KDT Image
  • Part#:1812J1K00392KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1KV X7R 1812
  • In Stock:100997
$0.372/pcsRFQ
1812J4K00181JCR Image
  • Part#:1812J4K00181JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 4KV C0G/NP0 1812
  • In Stock:86581
$0.244/pcsRFQ
1206Y0250822MXR Image
  • Part#:1206Y0250822MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 25V X7R 1206
  • In Stock:308252
$0.072/pcsRFQ
2220Y0160684JXT Image
  • Part#:2220Y0160684JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 16V X7R 2220
  • In Stock:32253
$0.984/pcsRFQ
0805J0160471KFT Image
  • Part#:0805J0160471KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 16V C0G/NP0 0805
  • In Stock:275500
$0.088/pcsRFQ
1812J0500333JAT Image
  • Part#:1812J0500333JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V C0G/NP0 1812
  • In Stock:46070
$0.669/pcsRFQ
1210J0500682JXR Image
  • Part#:1210J0500682JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 50V X7R 1210
  • In Stock:128749
$0.176/pcsRFQ
1111Y300P500BQT Image
  • Part#:1111Y300P500BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.5PF 300V C0G/NP0 1111
  • In Stock:86828
$0.272/pcsRFQ
2225Y5K00100KCT Image
  • Part#:2225Y5K00100KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 5KV C0G/NP0 2225
  • In Stock:72956
$0.498/pcsRFQ
2225Y1K20391MXR Image
  • Part#:2225Y1K20391MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1.2KV X7R 2225
  • In Stock:31772
$1.004/pcsRFQ
0805Y2001P00DFT Image
  • Part#:0805Y2001P00DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1PF 200V C0G/NP0 0805
  • In Stock:232581
$0.09/pcsRFQ
0505J1000181GQT Image
  • Part#:0505J1000181GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 100V C0G/NP0 0505
  • In Stock:79191
$0.409/pcsRFQ
0805Y0630121KQT Image
  • Part#:0805Y0630121KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 0805
  • In Stock:90662
$0.214/pcsRFQ
2220Y1K00220JCR Image
  • Part#:2220Y1K00220JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 1KV C0G/NP0 2220
  • In Stock:57906
$0.522/pcsRFQ
1111Y300P700BQT Image
  • Part#:1111Y300P700BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.7PF 300V C0G/NP0 1111
  • In Stock:69581
$0.271/pcsRFQ
2225Y5000184MDT Image
  • Part#:2225Y5000184MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 500V X7R 2225
  • In Stock:35503
$1.059/pcsRFQ
1825J2K50271MXR Image
  • Part#:1825J2K50271MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 2.5KV X7R 1825
  • In Stock:77362
$0.45/pcsRFQ
2225J0630123GFR Image
  • Part#:2225J0630123GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 63V C0G/NP0 2225
  • In Stock:15836
$2.488/pcsRFQ
0805Y5002P70DAR Image
  • Part#:0805Y5002P70DAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 500V C0G/NP0 0805
  • In Stock:314280
$0.073/pcsRFQ
0603J5000680KCT Image
  • Part#:0603J5000680KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 500V C0G/NP0 0603
  • In Stock:418362
$0.055/pcsRFQ
0805Y0500104MET Image
  • Part#:0805Y0500104MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 50V X7R 0805
  • In Stock:221766
$0.09/pcsRFQ
1808Y0160390FCR Image
  • Part#:1808Y0160390FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 16V C0G/NP0 1808
  • In Stock:62448
$0.351/pcsRFQ
1111J1K00180GQT Image
  • Part#:1111J1K00180GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 1KV C0G/NP0 1111
  • In Stock:49548
$0.631/pcsRFQ
0603Y0630150GAT Image
  • Part#:0603Y0630150GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 63V C0G/NP0 0603
  • In Stock:154185
$0.129/pcsRFQ
0805Y2500181JXT Image
  • Part#:0805Y2500181JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 250V X7R 0805
  • In Stock:257633
$0.083/pcsRFQ
1210Y2K05P60BCT Image
  • Part#:1210Y2K05P60BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 2KV C0G/NP0 1210
  • In Stock:73448
$0.482/pcsRFQ
1210J0160223JFR Image
  • Part#:1210J0160223JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 16V C0G/NP0 1210
  • In Stock:92258
$0.355/pcsRFQ
  • Part#:1812J5000271JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1812
  • In Stock:88691
$0.243/pcsRFQ
1808Y0500100FFT Image
  • Part#:1808Y0500100FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 50V C0G/NP0 1808
  • In Stock:55267
$0.656/pcsRFQ
1210Y2500472KFT Image
  • Part#:1210Y2500472KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 250V C0G/NP0 1210
  • In Stock:93174
$0.371/pcsRFQ
1808J0100223KCR Image
  • Part#:1808J0100223KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 10V C0G/NP0 1808
  • In Stock:97023
$0.221/pcsRFQ
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