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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

0603Y0500273MET Image
  • Part#:0603Y0500273MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 50V X7R 0603
  • In Stock:278835
$0.077/pcsRFQ
1812J1K00150GFR Image
  • Part#:1812J1K00150GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 1KV C0G/NP0 1812
  • In Stock:52686
$0.624/pcsRFQ
1812YA250821JXRPY2 Image
  • Part#:1812YA250821JXRPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 250V X7R 1812
  • In Stock:62402
$0.553/pcsRFQ
0603Y2000270FFT Image
  • Part#:0603Y2000270FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 200V C0G/NP0 0603
  • In Stock:67652
$0.281/pcsRFQ
1812Y5000152JAT Image
  • Part#:1812Y5000152JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 500V C0G/NP0 1812
  • In Stock:86601
$0.408/pcsRFQ
1808J1000102KFT Image
  • Part#:1808J1000102KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 100V C0G/NP0 1808
  • In Stock:105823
$0.207/pcsRFQ
1808Y2500123JXR Image
  • Part#:1808Y2500123JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 250V X7R 1808
  • In Stock:146613
$0.15/pcsRFQ
1808Y2000223JXR Image
  • Part#:1808Y2000223JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 200V X7R 1808
  • In Stock:144911
$0.153/pcsRFQ
0805Y0630331GCR Image
  • Part#:0805Y0630331GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 63V C0G/NP0 0805
  • In Stock:220320
$0.099/pcsRFQ
0805Y0630431GQT Image
  • Part#:0805Y0630431GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 430PF 63V C0G/NP0 0805
  • In Stock:72941
$0.412/pcsRFQ
0603Y100P560BCR Image
  • Part#:0603Y100P560BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56PF 100V C0G/NP0 0603
  • In Stock:138308
$0.143/pcsRFQ
0603Y0160823KXR Image
  • Part#:0603Y0160823KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 16V X7R 0603
  • In Stock:415181
$0.054/pcsRFQ
2220Y0100183MXR Image
  • Part#:2220Y0100183MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 10V X7R 2220
  • In Stock:60095
$0.655/pcsRFQ
1210Y1000332FAT Image
  • Part#:1210Y1000332FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 100V C0G/NP0 1210
  • In Stock:32933
$1.039/pcsRFQ
1825J3K00121JCR Image
  • Part#:1825J3K00121JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 3KV C0G/NP0 1825
  • In Stock:58021
$0.59/pcsRFQ
2225J1K00182KDT Image
  • Part#:2225J1K00182KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1KV X7R 2225
  • In Stock:33973
$0.88/pcsRFQ
1812Y0250684JXR Image
  • Part#:1812Y0250684JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 25V X7R 1812
  • In Stock:62927
$0.496/pcsRFQ
2225Y1K00681KFR Image
  • Part#:2225Y1K00681KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1KV C0G/NP0 2225
  • In Stock:27300
$1.184/pcsRFQ
1812Y1K50221JXT Image
  • Part#:1812Y1K50221JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1.5KV X7R 1812
  • In Stock:65127
$0.336/pcsRFQ
2220J0100471FCT Image
  • Part#:2220J0100471FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 10V C0G/NP0 2220
  • In Stock:15099
$2.44/pcsRFQ
1808J1K20221MXR Image
  • Part#:1808J1K20221MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1.2KV X7R 1808
  • In Stock:124339
$0.152/pcsRFQ
0505J0630180KQT Image
  • Part#:0505J0630180KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 63V C0G/NP0 0505
  • In Stock:114648
$0.175/pcsRFQ
1812Y6300821KAR Image
  • Part#:1812Y6300821KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 630V C0G/NP0 1812
  • In Stock:98157
$0.378/pcsRFQ
1206J0501P40HQT Image
  • Part#:1206J0501P40HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.4PF 50V C0G/NP0 1206
  • In Stock:61623
$0.339/pcsRFQ
1210Y1K00392KET Image
  • Part#:1210Y1K00392KET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 1KV X7R 1210
  • In Stock:102396
$0.223/pcsRFQ
0805J0500333JDT Image
  • Part#:0805J0500333JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 50V X7R 0805
  • In Stock:180030
$0.122/pcsRFQ
0603Y0250271JXT Image
  • Part#:0603Y0250271JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 25V X7R 0603
  • In Stock:428656
$0.052/pcsRFQ
1812Y6300221JAR Image
  • Part#:1812Y6300221JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 630V C0G/NP0 1812
  • In Stock:93333
$0.388/pcsRFQ
1812Y2500560FFT Image
  • Part#:1812Y2500560FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 250V C0G/NP0 1812
  • In Stock:23565
$1.42/pcsRFQ
1206Y2000120GCR Image
  • Part#:1206Y2000120GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 200V C0G/NP0 1206
  • In Stock:151967
$0.145/pcsRFQ
2225J5000821KDT Image
  • Part#:2225J5000821KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 500V X7R 2225
  • In Stock:43403
$0.83/pcsRFQ
2225J0100124JCR Image
  • Part#:2225J0100124JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 10V C0G/NP0 2225
  • In Stock:22017
$1.359/pcsRFQ
0505Y0500680GQT Image
  • Part#:0505Y0500680GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 50V C0G/NP0 0505
  • In Stock:59551
$0.341/pcsRFQ
2220J5000222KCR Image
  • Part#:2220J5000222KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 500V C0G/NP0 2220
  • In Stock:70390
$0.507/pcsRFQ
1206J0250390JFT Image
  • Part#:1206J0250390JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 25V C0G/NP0 1206
  • In Stock:199309
$0.119/pcsRFQ
1206J5000561JXT Image
  • Part#:1206J5000561JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 500V X7R 1206
  • In Stock:252277
$0.084/pcsRFQ
1206Y1K00562MXR Image
  • Part#:1206Y1K00562MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 1KV X7R 1206
  • In Stock:232024
$0.092/pcsRFQ
2220J5000104KXT Image
  • Part#:2220J5000104KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 500V X7R 2220
  • In Stock:68627
$0.498/pcsRFQ
0603J2000220GFT Image
  • Part#:0603J2000220GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 200V C0G/NP0 0603
  • In Stock:161534
$0.136/pcsRFQ
2225J0100562GCR Image
  • Part#:2225J0100562GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 10V C0G/NP0 2225
  • In Stock:23258
$1.554/pcsRFQ
2220Y0250472GCT Image
  • Part#:2220Y0250472GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 25V C0G/NP0 2220
  • In Stock:22964
$1.432/pcsRFQ
1808Y1K00220KCR Image
  • Part#:1808Y1K00220KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 1KV C0G/NP0 1808
  • In Stock:159046
$0.118/pcsRFQ
1812J2500220JCR Image
  • Part#:1812J2500220JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 250V C0G/NP0 1812
  • In Stock:80675
$0.249/pcsRFQ
0603Y2500391KXT Image
  • Part#:0603Y2500391KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V X7R 0603
  • In Stock:410191
$0.047/pcsRFQ
1206J2500201JQT Image
  • Part#:1206J2500201JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 200PF 250V C0G/NP0 1206
  • In Stock:94193
$0.232/pcsRFQ
2225J2000824MDT Image
  • Part#:2225J2000824MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.82UF 200V X7R 2225
  • In Stock:24594
$1.5/pcsRFQ
1808Y5000331KCT Image
  • Part#:1808Y5000331KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 500V C0G/NP0 1808
  • In Stock:141834
$0.141/pcsRFQ
1206J1000392JFT Image
  • Part#:1206J1000392JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 100V C0G/NP0 1206
  • In Stock:97153
$0.216/pcsRFQ
1812J0100104JXT Image
  • Part#:1812J0100104JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 10V X7R 1812
  • In Stock:58699
$0.322/pcsRFQ
0805J2502P70DUT Image
  • Part#:0805J2502P70DUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 250V C0G/NP0 0805
  • In Stock:118123
$0.169/pcsRFQ
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