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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

1808J1000150KCR Image
  • Part#:1808J1000150KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 100V C0G/NP0 1808
  • In Stock:179505
$0.128/pcsRFQ
1206Y1000392FFT Image
  • Part#:1206Y1000392FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 100V C0G/NP0 1206
  • In Stock:39348
$0.756/pcsRFQ
  • Part#:0603J2000680GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 200V C0G/NP0 0603
  • In Stock:208178
$0.115/pcsRFQ
1808J1K20821JXR Image
  • Part#:1808J1K20821JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1.2KV X7R 1808
  • In Stock:149345
$0.143/pcsRFQ
  • Part#:1825J0100473JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1825
  • In Stock:41195
$0.73/pcsRFQ
1825Y0100155MXT Image
  • Part#:1825Y0100155MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.5UF 10V X7R 1825
  • In Stock:38798
$0.879/pcsRFQ
2225J1K00562FCR Image
  • Part#:2225J1K00562FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 1KV C0G/NP0 2225
  • In Stock:11429
$3.447/pcsRFQ
1210Y0160181FFT Image
  • Part#:1210Y0160181FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 16V C0G/NP0 1210
  • In Stock:44687
$0.859/pcsRFQ
1210J0160472MDR Image
  • Part#:1210J0160472MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 16V X7R 1210
  • In Stock:109902
$0.202/pcsRFQ
1808J0250391KFT Image
  • Part#:1808J0250391KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 1808
  • In Stock:129195
$0.176/pcsRFQ
1210J2000273JXT Image
  • Part#:1210J2000273JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 200V X7R 1210
  • In Stock:104055
$0.232/pcsRFQ
0603Y1000120KQT Image
  • Part#:0603Y1000120KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 100V C0G/NP0 0603
  • In Stock:209318
$0.113/pcsRFQ
1812J1000154MDR Image
  • Part#:1812J1000154MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 100V X7R 1812
  • In Stock:89368
$0.369/pcsRFQ
1206Y1K50151FCR Image
  • Part#:1206Y1K50151FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 1.5KV C0G/NP0 1206
  • In Stock:89641
$0.391/pcsRFQ
1206J6300181KXT Image
  • Part#:1206J6300181KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 630V X7R 1206
  • In Stock:274607
$0.075/pcsRFQ
0805Y0630222JXT Image
  • Part#:0805Y0630222JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 63V X7R 0805
  • In Stock:259596
$0.074/pcsRFQ
2225J6300391FCR Image
  • Part#:2225J6300391FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 630V C0G/NP0 2225
  • In Stock:15163
$2.428/pcsRFQ
1808YA250680KCTSP Image
  • Part#:1808YA250680KCTSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 250V C0G/NP0 1808
  • In Stock:97751
$0.242/pcsRFQ
0805J2500151MDT Image
  • Part#:0805J2500151MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 250V X7R 0805
  • In Stock:233354
$0.089/pcsRFQ
1206Y1K01P20BFT Image
  • Part#:1206Y1K01P20BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 1KV C0G/NP0 1206
  • In Stock:78877
$0.474/pcsRFQ
1812J1K20820JCR Image
  • Part#:1812J1K20820JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 1.2KV C0G/NP0 1812
  • In Stock:77343
$0.247/pcsRFQ
2225Y2000102FFT Image
  • Part#:2225Y2000102FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 200V C0G/NP0 2225
  • In Stock:5641
$5.825/pcsRFQ
2220Y1K50391FCR Image
  • Part#:2220Y1K50391FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1.5KV C0G/NP0 2220
  • In Stock:19150
$2.015/pcsRFQ
1808JA250391KXTSY2 Image
  • Part#:1808JA250391KXTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V X7R 1808
  • In Stock:77126
$0.27/pcsRFQ
0603Y0250221JCT Image
  • Part#:0603Y0250221JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 25V C0G/NP0 0603
  • In Stock:297495
$0.067/pcsRFQ
2220Y1K00271FFT Image
  • Part#:2220Y1K00271FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1KV C0G/NP0 2220
  • In Stock:12192
$2.664/pcsRFQ
0603J0500331KAR Image
  • Part#:0603J0500331KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 50V C0G/NP0 0603
  • In Stock:301787
$0.077/pcsRFQ
1206Y0500821KAR Image
  • Part#:1206Y0500821KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 50V C0G/NP0 1206
  • In Stock:157965
$0.129/pcsRFQ
0805J0250180KCR Image
  • Part#:0805J0250180KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 25V C0G/NP0 0805
  • In Stock:384448
$0.049/pcsRFQ
  • Part#:0505J0630220KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 63V C0G/NP0 0505
  • In Stock:115164
$0.163/pcsRFQ
1111J5001P30CUT Image
  • Part#:1111J5001P30CUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.3PF 500V C0G/NP0 1111
  • In Stock:4913
 RFQ
1206Y0635P60BAT Image
  • Part#:1206Y0635P60BAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 63V C0G/NP0 1206
  • In Stock:89910
$0.37/pcsRFQ
1210Y1K00820KFR Image
  • Part#:1210Y1K00820KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 1KV C0G/NP0 1210
  • In Stock:110101
$0.172/pcsRFQ
1812J2000270JAR Image
  • Part#:1812J2000270JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 200V C0G/NP0 1812
  • In Stock:62134
$0.35/pcsRFQ
1206Y0633P30CAT Image
  • Part#:1206Y0633P30CAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 63V C0G/NP0 1206
  • In Stock:132120
$0.176/pcsRFQ
1825Y0630121JCR Image
  • Part#:1825Y0630121JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 1825
  • In Stock:37440
$0.871/pcsRFQ
2225J0630560FFT Image
  • Part#:2225J0630560FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 63V C0G/NP0 2225
  • In Stock:7512
$4.214/pcsRFQ
2225Y1K00471KFT Image
  • Part#:2225Y1K00471KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1KV C0G/NP0 2225
  • In Stock:29333
$1.225/pcsRFQ
1808J0500153JFR Image
  • Part#:1808J0500153JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 50V C0G/NP0 1808
  • In Stock:80597
$0.294/pcsRFQ
1210J2500471FCT Image
  • Part#:1210J2500471FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 250V C0G/NP0 1210
  • In Stock:58276
$0.602/pcsRFQ
  • Part#:0805Y0638P20CAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0805
  • In Stock:186846
$0.105/pcsRFQ
1808Y0250564MDR Image
  • Part#:1808Y0250564MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 25V X7R 1808
  • In Stock:68173
$0.284/pcsRFQ
2225Y0250153GFR Image
  • Part#:2225Y0250153GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 25V C0G/NP0 2225
  • In Stock:11491
$2.793/pcsRFQ
1812Y2K50181KXR Image
  • Part#:1812Y2K50181KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 2.5KV X7R 1812
  • In Stock:84093
$0.287/pcsRFQ
2225Y6K00561JXT Image
  • Part#:2225Y6K00561JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 6KV X7R 2225
  • In Stock:61417
$0.586/pcsRFQ
1206Y0500392FAR Image
  • Part#:1206Y0500392FAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 50V C0G/NP0 1206
  • In Stock:61022
$0.606/pcsRFQ
2225J1K00333JXT Image
  • Part#:2225J1K00333JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 1KV X7R 2225
  • In Stock:34268
$0.942/pcsRFQ
1206J2500102KQT Image
  • Part#:1206J2500102KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 250V C0G/NP0 1206
  • In Stock:100909
$0.386/pcsRFQ
1206J0100102KCT Image
  • Part#:1206J0100102KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 10V C0G/NP0 1206
  • In Stock:250455
$0.088/pcsRFQ
1111J2K03P90DQT Image
  • Part#:1111J2K03P90DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 2KV C0G/NP0 1111
  • In Stock:75038
$0.321/pcsRFQ
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