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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

1808Y1K50121GCT Image
  • Part#:1808Y1K50121GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 1.5KV C0G/NP0 1808
  • In Stock:99084
$0.241/pcsRFQ
0805Y3000680GQT Image
  • Part#:0805Y3000680GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 300V C0G/NP0 0805
  • In Stock:85035
$0.387/pcsRFQ
1206Y6300822MET Image
  • Part#:1206Y6300822MET
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8200PF 630V X7R 1206
  • In Stock:182029
$0.126/pcsRFQ
1808J5000182FCR Image
  • Part#:1808J5000182FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 500V C0G/NP0 1808
  • In Stock:59558
$0.558/pcsRFQ
1825J1K00681JCT Image
  • Part#:1825J1K00681JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1KV C0G/NP0 1825
  • In Stock:69334
$0.568/pcsRFQ
1808Y0100100KCR Image
  • Part#:1808Y0100100KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 10V C0G/NP0 1808
  • In Stock:160194
$0.131/pcsRFQ
1210Y0500152KXR Image
  • Part#:1210Y0500152KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 50V X7R 1210
  • In Stock:170656
$0.141/pcsRFQ
1825J1K20390FCT Image
  • Part#:1825J1K20390FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 1.2KV C0G/NP0 1825
  • In Stock:20589
$1.795/pcsRFQ
1808J0100393MXT Image
  • Part#:1808J0100393MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 10V X7R 1808
  • In Stock:167585
$0.141/pcsRFQ
0603J0500150JFR Image
  • Part#:0603J0500150JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 50V C0G/NP0 0603
  • In Stock:272228
$0.072/pcsRFQ
1210J2500270FFR Image
  • Part#:1210J2500270FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 250V C0G/NP0 1210
  • In Stock:37019
$0.865/pcsRFQ
1825Y1000561JCR Image
  • Part#:1825Y1000561JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 100V C0G/NP0 1825
  • In Stock:36349
$0.836/pcsRFQ
0505Y3000470GQT Image
  • Part#:0505Y3000470GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 300V C0G/NP0 0505
  • In Stock:67730
$0.33/pcsRFQ
1812J1K00271KAT Image
  • Part#:1812J1K00271KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1KV C0G/NP0 1812
  • In Stock:95215
$0.376/pcsRFQ
1825J1000472KCT Image
  • Part#:1825J1000472KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V C0G/NP0 1825
  • In Stock:51055
$0.703/pcsRFQ
0603J0250682KDT Image
  • Part#:0603J0250682KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 25V X7R 0603
  • In Stock:348267
$0.065/pcsRFQ
2225Y1000684KXT Image
  • Part#:2225Y1000684KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 100V X7R 2225
  • In Stock:39476
$1.002/pcsRFQ
2225J4K00152MXT Image
  • Part#:2225J4K00152MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 4KV X7R 2225
  • In Stock:77007
$0.388/pcsRFQ
1808J0250332KDT Image
  • Part#:1808J0250332KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3300PF 25V X7R 1808
  • In Stock:115065
$0.183/pcsRFQ
1812J1K00472KXR Image
  • Part#:1812J1K00472KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 1KV X7R 1812
  • In Stock:92003
$0.245/pcsRFQ
0603J0250221MXT Image
  • Part#:0603J0250221MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 220PF 25V X7R 0603
  • In Stock:419340
$0.047/pcsRFQ
1206J2500122FFT Image
  • Part#:1206J2500122FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 250V C0G/NP0 1206
  • In Stock:55195
$0.593/pcsRFQ
1210J2500180KFT Image
  • Part#:1210J2500180KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 250V C0G/NP0 1210
  • In Stock:93115
$0.257/pcsRFQ
2220Y1K20331JCR Image
  • Part#:2220Y1K20331JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 1.2KV C0G/NP0 2220
  • In Stock:61871
$0.594/pcsRFQ
2220J0160120JCR Image
  • Part#:2220J0160120JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 16V C0G/NP0 2220
  • In Stock:44066
$0.71/pcsRFQ
1812J5000104KXR Image
  • Part#:1812J5000104KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.1UF 500V X7R 1812
  • In Stock:82469
$0.291/pcsRFQ
1808J0250681KCT Image
  • Part#:1808J0250681KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 25V C0G/NP0 1808
  • In Stock:162987
$0.127/pcsRFQ
1206Y6300223KXR Image
  • Part#:1206Y6300223KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 630V X7R 1206
  • In Stock:197593
$0.102/pcsRFQ
  • Part#:2225J0500822FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:8430
$4.287/pcsRFQ
2225J0500150GCT Image
  • Part#:2225J0500150GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 50V C0G/NP0 2225
  • In Stock:24107
$1.385/pcsRFQ
0805J0630100FCR Image
  • Part#:0805J0630100FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 63V C0G/NP0 0805
  • In Stock:133965
$0.176/pcsRFQ
2220Y4K00152MXT Image
  • Part#:2220Y4K00152MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 4KV X7R 2220
  • In Stock:78684
$0.392/pcsRFQ
0805Y0250182KCR Image
  • Part#:0805Y0250182KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 25V C0G/NP0 0805
  • In Stock:316406
$0.071/pcsRFQ
2225J1000182FFR Image
  • Part#:2225J1000182FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 100V C0G/NP0 2225
  • In Stock:7138
$4.608/pcsRFQ
2225Y0500225JXT Image
  • Part#:2225Y0500225JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.2UF 50V X7R 2225
  • In Stock:26573
$1.404/pcsRFQ
0805Y0500153JXR Image
  • Part#:0805Y0500153JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 50V X7R 0805
  • In Stock:304836
$0.079/pcsRFQ
1812Y0630182KAT Image
  • Part#:1812Y0630182KAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 63V C0G/NP0 1812
  • In Stock:69364
$0.433/pcsRFQ
0603Y1000331JDR Image
  • Part#:0603Y1000331JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 100V X7R 0603
  • In Stock:279245
$0.075/pcsRFQ
0603Y1503P90HQT Image
  • Part#:0603Y1503P90HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.9PF 150V C0G/NP0 0603
  • In Stock:77981
$0.301/pcsRFQ
2220J4K00181JCR Image
  • Part#:2220J4K00181JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 4KV C0G/NP0 2220
  • In Stock:61588
$0.326/pcsRFQ
2220J0250683KFR Image
  • Part#:2220J0250683KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 25V C0G/NP0 2220
  • In Stock:21219
$1.451/pcsRFQ
0603J1000821KDR Image
  • Part#:0603J1000821KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 100V X7R 0603
  • In Stock:402709
$0.06/pcsRFQ
2225J2K50152FCR Image
  • Part#:2225J2K50152FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 2.5KV C0G 2225
  • In Stock:16735
$2.271/pcsRFQ
1206Y0160222MXR Image
  • Part#:1206Y0160222MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 16V X7R 1206
  • In Stock:272969
$0.074/pcsRFQ
1812Y0160334MXT Image
  • Part#:1812Y0160334MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 16V X7R 1812
  • In Stock:55697
$0.352/pcsRFQ
2220J0250223JXT Image
  • Part#:2220J0250223JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 25V X7R 2220
  • In Stock:39199
$0.764/pcsRFQ
1210J2500331KFT Image
  • Part#:1210J2500331KFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 250V C0G/NP0 1210
  • In Stock:82686
$0.247/pcsRFQ
1825J1000223MXT Image
  • Part#:1825J1000223MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.022UF 100V X7R 1825
  • In Stock:46150
$0.677/pcsRFQ
2220Y0630103GFT Image
  • Part#:2220Y0630103GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10000PF 63V C0G/NP0 2220
  • In Stock:14609
$2.162/pcsRFQ
0603Y0250471MXR Image
  • Part#:0603Y0250471MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 25V X7R 0603
  • In Stock:524624
$0.044/pcsRFQ
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