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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

1206Y1K00182MET Image
  • Part#:1206Y1K00182MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1KV X7R 1206
  • In Stock:175297
$0.133/pcsRFQ
1206J0250102JFR Image
  • Part#:1206J0250102JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 25V C0G/NP0 1206
  • In Stock:167855
$0.133/pcsRFQ
1825J2500221FCT Image
  • Part#:1825J2500221FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V C0G/NP0 1825
  • In Stock:12418
$3.146/pcsRFQ
1812J0250473MXT Image
  • Part#:1812J0250473MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 25V X7R 1812
  • In Stock:79153
$0.269/pcsRFQ
2220J5000123GFT Image
  • Part#:2220J5000123GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 500V C0G 2220
  • In Stock:21609
$1.766/pcsRFQ
1206Y0100152KXT Image
  • Part#:1206Y0100152KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 10V X7R 1206
  • In Stock:245523
$0.083/pcsRFQ
1210Y2500100JCR Image
  • Part#:1210Y2500100JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 250V C0G/NP0 1210
  • In Stock:122959
$0.17/pcsRFQ
1206J0500331KAT Image
  • Part#:1206J0500331KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 50V C0G/NP0 1206
  • In Stock:174934
$0.121/pcsRFQ
0603J0100470KCT Image
  • Part#:0603J0100470KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 10V C0G/NP0 0603
  • In Stock:388601
$0.061/pcsRFQ
1812JA250820JCRPY2 Image
  • Part#:1812JA250820JCRPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 250V C0G/NP0 1812
  • In Stock:57114
$0.337/pcsRFQ
1210J1000334JDR Image
  • Part#:1210J1000334JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 100V X7R 1210
  • In Stock:94617
$0.416/pcsRFQ
2220J5K00271JXR Image
  • Part#:2220J5K00271JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 5KV X7R 2220
  • In Stock:72287
$0.297/pcsRFQ
0805Y0103P90BCR Image
  • Part#:0805Y0103P90BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 10V C0G/NP0 0805
  • In Stock:118106
$0.171/pcsRFQ
1812J0100271FCT Image
  • Part#:1812J0100271FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 10V C0G/NP0 1812
  • In Stock:39689
$0.878/pcsRFQ
2225Y0250151GCR Image
  • Part#:2225Y0250151GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 25V C0G/NP0 2225
  • In Stock:16547
$1.851/pcsRFQ
1808J2500681JFR Image
  • Part#:1808J2500681JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 250V C0G/NP0 1808
  • In Stock:121202
$0.193/pcsRFQ
2225J0630182GFR Image
  • Part#:2225J0630182GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 63V C0G/NP0 2225
  • In Stock:16773
$2.26/pcsRFQ
1812Y2000151KFT Image
  • Part#:1812Y2000151KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 200V C0G/NP0 1812
  • In Stock:68391
$0.445/pcsRFQ
0603Y2000101GUT Image
  • Part#:0603Y2000101GUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 200V C0G/NP0 0603
  • In Stock:61947
$0.342/pcsRFQ
1206Y0160151JCT Image
  • Part#:1206Y0160151JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 16V C0G/NP0 1206
  • In Stock:209575
$0.09/pcsRFQ
1206Y0500274JXT Image
  • Part#:1206Y0500274JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 50V X7R 1206
  • In Stock:157090
$0.154/pcsRFQ
2225J0500473JCR Image
  • Part#:2225J0500473JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 50V C0G/NP0 2225
  • In Stock:29789
$1.318/pcsRFQ
1210Y6306P80DAT Image
  • Part#:1210Y6306P80DAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 630V C0G/NP0 1210
  • In Stock:121749
$0.185/pcsRFQ
0603Y1000182MDR Image
  • Part#:0603Y1000182MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 100V X7R 0603
  • In Stock:339993
$0.064/pcsRFQ
2220J0630101JCR Image
  • Part#:2220J0630101JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 63V C0G/NP0 2220
  • In Stock:54198
$0.703/pcsRFQ
1206J1K00470KCT Image
  • Part#:1206J1K00470KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 1KV C0G/NP0 1206
  • In Stock:215598
$0.092/pcsRFQ
2220Y5K00151KCR Image
  • Part#:2220Y5K00151KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 5KV C0G/NP0 2220
  • In Stock:60848
$0.344/pcsRFQ
1812J0500270JCR Image
  • Part#:1812J0500270JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 50V C0G/NP0 1812
  • In Stock:84166
$0.241/pcsRFQ
2225J2K50391FCT Image
  • Part#:2225J2K50391FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 2.5KV C0G/NP0 2225
  • In Stock:18111
$1.82/pcsRFQ
2225J1K50121GCR Image
  • Part#:2225J1K50121GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1.5KV C0G/NP0 2225
  • In Stock:24177
$1.336/pcsRFQ
1808Y2500473MDT Image
  • Part#:1808Y2500473MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 250V X7R 1808
  • In Stock:67322
$0.311/pcsRFQ
  • Part#:0603Y0100393JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 10V X7R 0603
  • In Stock:356544
$0.057/pcsRFQ
0805Y2502P70BFT Image
  • Part#:0805Y2502P70BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 250V C0G/NP0 0805
  • In Stock:76262
$0.288/pcsRFQ
1206J2000182KCR Image
  • Part#:1206J2000182KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 200V C0G/NP0 1206
  • In Stock:186618
$0.108/pcsRFQ
1812Y0500183JCR Image
  • Part#:1812Y0500183JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 50V C0G/NP0 1812
  • In Stock:81681
$0.384/pcsRFQ
1206J5000390KDR Image
  • Part#:1206J5000390KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 500V X7R 1206
  • In Stock:199097
$0.105/pcsRFQ
2225J1K00101JCR Image
  • Part#:2225J1K00101JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 1KV C0G/NP0 2225
  • In Stock:57313
$0.605/pcsRFQ
1808Y0500152GCR Image
  • Part#:1808Y0500152GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 50V C0G/NP0 1808
  • In Stock:103914
$0.183/pcsRFQ
2220Y2000824MDT Image
  • Part#:2220Y2000824MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 200V X7R 2220
  • In Stock:23343
$1.558/pcsRFQ
2220Y0630182FCT Image
  • Part#:2220Y0630182FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 63V C0G/NP0 2220
  • In Stock:12514
$2.786/pcsRFQ
0805Y2500221KDT Image
  • Part#:0805Y2500221KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 250V X7R 0805
  • In Stock:212300
$0.098/pcsRFQ
1812Y0500105KER Image
  • Part#:1812Y0500105KER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1UF 50V X7R 1812
  • In Stock:44417
$0.712/pcsRFQ
2225J2K00391GCT Image
  • Part#:2225J2K00391GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 2KV C0G/NP0 2225
  • In Stock:24662
$1.376/pcsRFQ
0603Y0630221KFR Image
  • Part#:0603Y0630221KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 63V C0G/NP0 0603
  • In Stock:267569
$0.074/pcsRFQ
1210Y0160473FCT Image
  • Part#:1210Y0160473FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.047UF 16V C0G/NP0 1210
  • In Stock:29589
$1.129/pcsRFQ
1808Y0250823MDR Image
  • Part#:1808Y0250823MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 25V X7R 1808
  • In Stock:99878
$0.192/pcsRFQ
0505J250P600HQT Image
  • Part#:0505J250P600HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.6PF 250V C0G/NP0 0505
  • In Stock:70457
$0.305/pcsRFQ
0805J0500681GFT Image
  • Part#:0805J0500681GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 50V C0G/NP0 0805
  • In Stock:143811
$0.158/pcsRFQ
2220Y0160123KXR Image
  • Part#:2220Y0160123KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 16V X7R 2220
  • In Stock:48906
$0.685/pcsRFQ
0805J0500270GCT Image
  • Part#:0805J0500270GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 50V C0G/NP0 0805
  • In Stock:195875
$0.096/pcsRFQ
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