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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

1808Y4K00271JXR Image
  • Part#:1808Y4K00271JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 4KV X7R 1808
  • In Stock:107223
$0.202/pcsRFQ
1206J1K20181MXR Image
  • Part#:1206J1K20181MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 1.2KV X7R 1206
  • In Stock:353739
$0.064/pcsRFQ
1812J0160333KDT Image
  • Part#:1812J0160333KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 16V X7R 1812
  • In Stock:101493
$0.367/pcsRFQ
1111Y5000120KUT Image
  • Part#:1111Y5000120KUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 500V C0G/NP0 1111
  • In Stock:4459
 RFQ
1206Y1K20820KCR Image
  • Part#:1206Y1K20820KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 1.2KV C0G/NP0 1206
  • In Stock:283418
$0.083/pcsRFQ
0805Y0251P80BFT Image
  • Part#:0805Y0251P80BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 25V C0G/NP0 0805
  • In Stock:67750
$0.281/pcsRFQ
1808J1000150JFT Image
  • Part#:1808J1000150JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 100V C0G/NP0 1808
  • In Stock:91205
$0.218/pcsRFQ
1825J0250183KCR Image
  • Part#:1825J0250183KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 25V C0G/NP0 1825
  • In Stock:45850
$0.787/pcsRFQ
1111Y1500200FQT Image
  • Part#:1111Y1500200FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 20PF 150V C0G/NP0 1111
  • In Stock:26265
$1.332/pcsRFQ
1111Y5000150GUT Image
  • Part#:1111Y5000150GUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 500V C0G/NP0 1111
  • In Stock:5828
 RFQ
1808J0160394MXR Image
  • Part#:1808J0160394MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 16V X7R 1808
  • In Stock:130876
$0.152/pcsRFQ
1206Y1005P60CAT Image
  • Part#:1206Y1005P60CAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 100V C0G/NP0 1206
  • In Stock:124976
$0.175/pcsRFQ
0603J2500180GCR Image
  • Part#:0603J2500180GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 250V C0G/NP0 0603
  • In Stock:232408
$0.091/pcsRFQ
2225J2K00330GCR Image
  • Part#:2225J2K00330GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 2KV C0G/NP0 2225
  • In Stock:27692
$1.248/pcsRFQ
1210Y1K00821KCR Image
  • Part#:1210Y1K00821KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 1KV C0G/NP0 1210
  • In Stock:148564
$0.14/pcsRFQ
0603Y5008P20DCR Image
  • Part#:0603Y5008P20DCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 500V C0G/NP0 0603
  • In Stock:404065
$0.05/pcsRFQ
1825Y2K00151JCR Image
  • Part#:1825Y2K00151JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 2KV C0G/NP0 1825
  • In Stock:49808
$0.62/pcsRFQ
1808J0100120JCR Image
  • Part#:1808J0100120JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 10V C0G/NP0 1808
  • In Stock:174008
$0.134/pcsRFQ
1210J0500330KFR Image
  • Part#:1210J0500330KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 50V C0G/NP0 1210
  • In Stock:92610
$0.229/pcsRFQ
1812J0500680KAR Image
  • Part#:1812J0500680KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 50V C0G/NP0 1812
  • In Stock:93472
$0.361/pcsRFQ
0805J0500511FQT Image
  • Part#:0805J0500511FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 510PF 50V C0G/NP0 0805
  • In Stock:58652
$0.611/pcsRFQ
2220J2000101JFR Image
  • Part#:2220J2000101JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 200V C0G/NP0 2220
  • In Stock:32415
$1.109/pcsRFQ
0805Y0635P60DAT Image
  • Part#:0805Y0635P60DAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 63V C0G/NP0 0805
  • In Stock:232631
$0.082/pcsRFQ
1825J0500223GCT Image
  • Part#:1825J0500223GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 50V C0G/NP0 1825
  • In Stock:21735
$1.662/pcsRFQ
1812J1K00392MXT Image
  • Part#:1812J1K00392MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1KV X7R 1812
  • In Stock:81090
$0.273/pcsRFQ
1812J0500821KCT Image
  • Part#:1812J0500821KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 50V C0G/NP0 1812
  • In Stock:77617
$0.272/pcsRFQ
1206Y1K00121FAT Image
  • Part#:1206Y1K00121FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1KV C0G/NP0 1206
  • In Stock:65956
$0.534/pcsRFQ
1206J1K05P60CFR Image
  • Part#:1206J1K05P60CFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 1KV C0G/NP0 1206
  • In Stock:113394
$0.202/pcsRFQ
0603Y1000121KFT Image
  • Part#:0603Y1000121KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 100V C0G/NP0 0603
  • In Stock:235756
$0.08/pcsRFQ
1808J0160181GCR Image
  • Part#:1808J0160181GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 16V C0G/NP0 1808
  • In Stock:128696
$0.173/pcsRFQ
1210Y2000223KXT Image
  • Part#:1210Y2000223KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 200V X7R 1210
  • In Stock:130218
$0.158/pcsRFQ
1825Y3K00560KCT Image
  • Part#:1825Y3K00560KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 3KV C0G/NP0 1825
  • In Stock:45449
$0.706/pcsRFQ
1206J1K00471KXR Image
  • Part#:1206J1K00471KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1KV X7R 1206
  • In Stock:250222
$0.076/pcsRFQ
1206J1K20331MXR Image
  • Part#:1206J1K20331MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1.2KV X7R 1206
  • In Stock:314398
$0.063/pcsRFQ
1210Y0500121FCR Image
  • Part#:1210Y0500121FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 50V C0G/NP0 1210
  • In Stock:67292
$0.57/pcsRFQ
1825Y0630222GCT Image
  • Part#:1825Y0630222GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 63V C0G/NP0 1825
  • In Stock:25516
$1.527/pcsRFQ
1808Y0500101JFT Image
  • Part#:1808Y0500101JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 50V C0G/NP0 1808
  • In Stock:124168
$0.187/pcsRFQ
1825J2500560KCR Image
  • Part#:1825J2500560KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 250V C0G/NP0 1825
  • In Stock:45482
$0.798/pcsRFQ
2225Y5000272FFT Image
  • Part#:2225Y5000272FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 500V C0G/NP0 2225
  • In Stock:11736
$3.298/pcsRFQ
1808J5000222GCR Image
  • Part#:1808J5000222GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 500V C0G/NP0 1808
  • In Stock:75352
$0.289/pcsRFQ
1808J0100183JXT Image
  • Part#:1808J0100183JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 10V X7R 1808
  • In Stock:91022
$0.242/pcsRFQ
2220J0500335JXT Image
  • Part#:2220J0500335JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3UF 50V X7R 2220
  • In Stock:18765
$1.598/pcsRFQ
0603J200P560DFT Image
  • Part#:0603J200P560DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56PF 200V C0G/NP0 0603
  • In Stock:295585
$0.072/pcsRFQ
2220J5K00181KCR Image
  • Part#:2220J5K00181KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 5KV C0G/NP0 2220
  • In Stock:70157
$0.306/pcsRFQ
1206Y2000121KET Image
  • Part#:1206Y2000121KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 200V X7R 1206
  • In Stock:179215
$0.118/pcsRFQ
1210J5000331FAT Image
  • Part#:1210J5000331FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V C0G/NP0 1210
  • In Stock:49488
$0.637/pcsRFQ
1210J0165P60BFT Image
  • Part#:1210J0165P60BFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5.6PF 16V C0G/NP0 1210
  • In Stock:62529
$0.551/pcsRFQ
0805Y0508P20BCR Image
  • Part#:0805Y0508P20BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 50V C0G/NP0 0805
  • In Stock:120418
$0.17/pcsRFQ
1812J0100152FCT Image
  • Part#:1812J0100152FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 10V C0G/NP0 1812
  • In Stock:38791
$0.884/pcsRFQ
1111Y1001P80CQT Image
  • Part#:1111Y1001P80CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 100V C0G/NP0 1111
  • In Stock:84663
$0.285/pcsRFQ
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