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Home > Line Card > Knowles Syfer
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.

Product Category

Filters(2,080 products)
Feed Through Capacitors(23,678 products)
EMI/RFI Filters (LC, RC Networks)(23,678 products)
Capacitors(264,614 products)
Ceramic Capacitors(820,279 products)
Kits(4 products)
Capacitor Kits(3,137 products)

Related news

Product List

1812Y0630123JFR Image
  • Part#:1812Y0630123JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 63V C0G/NP0 1812
  • In Stock:55604
$0.551/pcsRFQ
1206Y0250470JFT Image
  • Part#:1206Y0250470JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 25V C0G/NP0 1206
  • In Stock:187806
$0.124/pcsRFQ
2220J0250221JFT Image
  • Part#:2220J0250221JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 25V C0G/NP0 2220
  • In Stock:33880
$1.104/pcsRFQ
1808J1K00560KDT Image
  • Part#:1808J1K00560KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 1KV X7R 1808
  • In Stock:99028
$0.226/pcsRFQ
0603Y0250821FFR Image
  • Part#:0603Y0250821FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 25V C0G/NP0 0603
  • In Stock:60366
$0.321/pcsRFQ
1812J5K00120FCT Image
  • Part#:1812J5K00120FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 5KV C0G/NP0 1812
  • In Stock:61669
$0.585/pcsRFQ
2225J1K00223KXT Image
  • Part#:2225J1K00223KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 1KV X7R 2225
  • In Stock:46863
$0.721/pcsRFQ
2225J1K50221JCR Image
  • Part#:2225J1K50221JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 1.5KV C0G/NP0 2225
  • In Stock:45692
$0.744/pcsRFQ
1210J5000390GCR Image
  • Part#:1210J5000390GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 500V C0G/NP0 1210
  • In Stock:108878
$0.204/pcsRFQ
1825J3K00102KXR Image
  • Part#:1825J3K00102KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 3KV X7R 1825
  • In Stock:64717
$0.539/pcsRFQ
1812J0630393JCR Image
  • Part#:1812J0630393JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 63V C0G/NP0 1812
  • In Stock:83742
$0.46/pcsRFQ
1812J1000681KCR Image
  • Part#:1812J1000681KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 100V C0G/NP0 1812
  • In Stock:81536
$0.249/pcsRFQ
1210Y1K00470GFT Image
  • Part#:1210Y1K00470GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 1KV C0G/NP0 1210
  • In Stock:68537
$0.334/pcsRFQ
0603Y2000470JFT Image
  • Part#:0603Y2000470JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 200V C0G/NP0 0603
  • In Stock:257807
$0.081/pcsRFQ
1812Y5000392JDR Image
  • Part#:1812Y5000392JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3900PF 500V X7R 1812
  • In Stock:87369
$0.395/pcsRFQ
1812Y0100331GCT Image
  • Part#:1812Y0100331GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 10V C0G/NP0 1812
  • In Stock:63920
$0.563/pcsRFQ
  • Part#:1808J6K00120JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1808
  • In Stock:161210
$0.15/pcsRFQ
1206J0160683KXT Image
  • Part#:1206J0160683KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 16V X7R 1206
  • In Stock:247919
$0.085/pcsRFQ
  • Part#:1206Y100P700CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 1206
  • In Stock:126721
$0.149/pcsRFQ
2225Y0160474MDR Image
  • Part#:2225Y0160474MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.47UF 16V X7R 2225
  • In Stock:24593
$1.25/pcsRFQ
0805J1500470KQT Image
  • Part#:0805J1500470KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 150V C0G/NP0 0805
  • In Stock:127770
$0.171/pcsRFQ
2225Y0250154JCR Image
  • Part#:2225Y0250154JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 25V C0G/NP0 2225
  • In Stock:22400
$1.529/pcsRFQ
1111Y6303P90DQT Image
  • Part#:1111Y6303P90DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 630V C0G/NP0 1111
  • In Stock:61634
$0.323/pcsRFQ
1210Y2000823KXT Image
  • Part#:1210Y2000823KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 200V X7R 1210
  • In Stock:104834
$0.201/pcsRFQ
0603Y0163P30CFT Image
  • Part#:0603Y0163P30CFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 16V C0G/NP0 0603
  • In Stock:226091
$0.096/pcsRFQ
1812Y5000391JAR Image
  • Part#:1812Y5000391JAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 500V C0G/NP0 1812
  • In Stock:91951
$0.377/pcsRFQ
2225J1000182GCT Image
  • Part#:2225J1000182GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 100V C0G/NP0 2225
  • In Stock:25924
$1.518/pcsRFQ
1206Y5000122KXT Image
  • Part#:1206Y5000122KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 500V X7R 1206
  • In Stock:315316
$0.076/pcsRFQ
0805Y0250182KFT Image
  • Part#:0805Y0250182KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 25V C0G/NP0 0805
  • In Stock:193127
$0.111/pcsRFQ
1825J0250271KCR Image
  • Part#:1825J0250271KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 25V C0G/NP0 1825
  • In Stock:41830
$0.791/pcsRFQ
1812J5000120GCT Image
  • Part#:1812J5000120GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 500V C0G/NP0 1812
  • In Stock:67060
$0.46/pcsRFQ
0805Y0630562MDT Image
  • Part#:0805Y0630562MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 63V X7R 0805
  • In Stock:254091
$0.082/pcsRFQ
1206J0101P20DCT Image
  • Part#:1206J0101P20DCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:335215
$0.067/pcsRFQ
1825Y0500331KCT Image
  • Part#:1825Y0500331KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 50V C0G/NP0 1825
  • In Stock:34774
$0.942/pcsRFQ
1210Y0160221KFT Image
  • Part#:1210Y0160221KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 16V C0G/NP0 1210
  • In Stock:82422
$0.244/pcsRFQ
0805J0503P90HQT Image
  • Part#:0805J0503P90HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 50V C0G/NP0 0805
  • In Stock:90513
$0.427/pcsRFQ
0805Y1000120GQT Image
  • Part#:0805Y1000120GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 100V C0G/NP0 0805
  • In Stock:70597
$0.316/pcsRFQ
1808J0250684KDR Image
  • Part#:1808J0250684KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 25V X7R 1808
  • In Stock:64526
$0.301/pcsRFQ
0603J0251P80DFR Image
  • Part#:0603J0251P80DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 25V C0G/NP0 0603
  • In Stock:284492
$0.084/pcsRFQ
1812Y2000331GFT Image
  • Part#:1812Y2000331GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 200V C0G/NP0 1812
  • In Stock:36346
$0.846/pcsRFQ
1812Y1000150KAT Image
  • Part#:1812Y1000150KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 100V C0G/NP0 1812
  • In Stock:64296
$0.512/pcsRFQ
1206J0500472KAR Image
  • Part#:1206J0500472KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1206
  • In Stock:178234
$0.134/pcsRFQ
0603Y0509P10HQT Image
  • Part#:0603Y0509P10HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 9.1PF 50V C0G/NP0 0603
  • In Stock:59792
$0.561/pcsRFQ
2225J2000561FFR Image
  • Part#:2225J2000561FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 200V C0G/NP0 2225
  • In Stock:7212
$5.206/pcsRFQ
1206J2K01P60DQT Image
  • Part#:1206J2K01P60DQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.6PF 2KV C0G/NP0 1206
  • In Stock:106059
$0.198/pcsRFQ
0805Y0252P20CFT Image
  • Part#:0805Y0252P20CFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2PF 25V C0G/NP0 0805
  • In Stock:158406
$0.133/pcsRFQ
1808J1000271KCT Image
  • Part#:1808J1000271KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 100V C0G/NP0 1808
  • In Stock:172874
$0.13/pcsRFQ
1210Y1000820JAT Image
  • Part#:1210Y1000820JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 100V C0G/NP0 1210
  • In Stock:77638
$0.257/pcsRFQ
1111J1000180FQT Image
  • Part#:1111J1000180FQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 100V C0G/NP0 1111
  • In Stock:25282
$1.345/pcsRFQ
  • Part#:0805J2500183MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 250V X7R 0805
  • In Stock:237965
$0.084/pcsRFQ
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