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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

2220Y2500470FCR Image
  • Part#:2220Y2500470FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 250V C0G/NP0 2220
  • In Stock:10321
$2.995/pcsRFQ
1808Y6K00390FCR Image
  • Part#:1808Y6K00390FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 6KV C0G/NP0 1808
  • In Stock:54468
$0.61/pcsRFQ
0603J2500510FUT Image
  • Part#:0603J2500510FUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 51PF 250V C0G/NP0 0603
  • In Stock:68441
$0.352/pcsRFQ
1206Y2001P70HQT Image
  • Part#:1206Y2001P70HQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.7PF 200V C0G/NP0 1206
  • In Stock:62134
$0.325/pcsRFQ
1812J0500222JAT Image
  • Part#:1812J0500222JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 50V C0G/NP0 1812
  • In Stock:76993
$0.396/pcsRFQ
0805J1000151JXT Image
  • Part#:0805J1000151JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 100V X7R 0805
  • In Stock:300456
$0.077/pcsRFQ
1812J0250683KDR Image
  • Part#:1812J0250683KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.068UF 25V X7R 1812
  • In Stock:62321
$0.351/pcsRFQ
0805Y0630150GCT Image
  • Part#:0805Y0630150GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 63V C0G/NP0 0805
  • In Stock:224325
$0.1/pcsRFQ
1825J0100220KCR Image
  • Part#:1825J0100220KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 22PF 10V C0G/NP0 1825
  • In Stock:46000
$0.766/pcsRFQ
1812J4K00681JXR Image
  • Part#:1812J4K00681JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 4KV X7R 1812
  • In Stock:84850
$0.246/pcsRFQ
0805J0630182FCT Image
  • Part#:0805J0630182FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 63V C0G/NP0 0805
  • In Stock:81432
$0.267/pcsRFQ
1808J4K00102MXR Image
  • Part#:1808J4K00102MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 4KV X7R 1808
  • In Stock:87976
$0.216/pcsRFQ
1210J1K50271GCR Image
  • Part#:1210J1K50271GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1.5KV C0G/NP0 1210
  • In Stock:69819
$0.286/pcsRFQ
0805Y0500182GAT Image
  • Part#:0805Y0500182GAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 50V C0G/NP0 0805
  • In Stock:97015
$0.214/pcsRFQ
2225Y0100394JCR Image
  • Part#:2225Y0100394JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.39UF 10V C0G/NP0 2225
  • In Stock:13336
$2.253/pcsRFQ
2225Y1K00152JDT Image
  • Part#:2225Y1K00152JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 1KV X7R 2225
  • In Stock:25094
$1.321/pcsRFQ
  • Part#:2220Y1000470GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 100V C0G/NP0 2220
  • In Stock:22255
$1.724/pcsRFQ
2211JA250390GCTSPU Image
  • Part#:2211JA250390GCTSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 250V C0G/NP0 2211
  • In Stock:40963
$0.868/pcsRFQ
1206J5000100KQT Image
  • Part#:1206J5000100KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 500V C0G/NP0 1206
  • In Stock:112765
$0.201/pcsRFQ
1808Y5K00470FCT Image
  • Part#:1808Y5K00470FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 5KV C0G/NP0 1808
  • In Stock:58688
$0.653/pcsRFQ
1210J2000122JXR Image
  • Part#:1210J2000122JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 200V X7R 1210
  • In Stock:108108
$0.18/pcsRFQ
0805J2000272MDR Image
  • Part#:0805J2000272MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 200V X7R 0805
  • In Stock:253952
$0.085/pcsRFQ
0805Y2501P10CQT Image
  • Part#:0805Y2501P10CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.1PF 250V C0G/NP0 0805
  • In Stock:131747
$0.149/pcsRFQ
1210Y0506P80CAT Image
  • Part#:1210Y0506P80CAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 50V C0G/NP0 1210
  • In Stock:84972
$0.394/pcsRFQ
1206Y2500391JFR Image
  • Part#:1206Y2500391JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V C0G/NP0 1206
  • In Stock:151475
$0.14/pcsRFQ
0805Y1503P60CQT Image
  • Part#:0805Y1503P60CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.6PF 150V C0G/NP0 0805
  • In Stock:136397
$0.151/pcsRFQ
1812Y5000273JXT Image
  • Part#:1812Y5000273JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 500V X7R 1812
  • In Stock:66118
$0.317/pcsRFQ
  • Part#:0603Y0630150KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER HIGH Q 0603
  • In Stock:222582
$0.093/pcsRFQ
0805Y5000180FAT Image
  • Part#:0805Y5000180FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 500V C0G/NP0 0805
  • In Stock:81450
$0.275/pcsRFQ
1808YA250681KXRSPU Image
  • Part#:1808YA250681KXRSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 250V X7R 1808
  • In Stock:104697
$0.23/pcsRFQ
2225Y0630271KFR Image
  • Part#:2225Y0630271KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 63V C0G/NP0 2225
  • In Stock:27571
$1.265/pcsRFQ
2220J5000562KCR Image
  • Part#:2220J5000562KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 5600PF 500V C0G/NP0 2220
  • In Stock:74676
$0.523/pcsRFQ
0603J0160101JFT Image
  • Part#:0603J0160101JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 100PF 16V C0G/NP0 0603
  • In Stock:214087
$0.1/pcsRFQ
2220J5000152MDR Image
  • Part#:2220J5000152MDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 500V X7R 2220
  • In Stock:69196
$0.561/pcsRFQ
0805Y0500273KDR Image
  • Part#:0805Y0500273KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.027UF 50V X7R 0805
  • In Stock:232854
$0.096/pcsRFQ
1825Y0630470FCT Image
  • Part#:1825Y0630470FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 47PF 63V C0G/NP0 1825
  • In Stock:10018
$3.125/pcsRFQ
2225J1K50391JXR Image
  • Part#:2225J1K50391JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 1.5KV X7R 2225
  • In Stock:37068
$0.939/pcsRFQ
2220J2K00330FCT Image
  • Part#:2220J2K00330FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 2KV C0G/NP0 2220
  • In Stock:17530
$1.774/pcsRFQ
0603Y0250120GFR Image
  • Part#:0603Y0250120GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 25V C0G/NP0 0603
  • In Stock:107247
$0.176/pcsRFQ
2225Y5000684JXT Image
  • Part#:2225Y5000684JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 500V X7R 2225
  • In Stock:12440
$2.543/pcsRFQ
1210Y1K00560FAT Image
  • Part#:1210Y1K00560FAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 1KV C0G/NP0 1210
  • In Stock:59321
$0.666/pcsRFQ
0805Y2500153KDT Image
  • Part#:0805Y2500153KDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.015UF 250V X7R 0805
  • In Stock:186844
$0.109/pcsRFQ
1206J5003P30BCR Image
  • Part#:1206J5003P30BCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 3.3PF 500V C0G/NP0 1206
  • In Stock:74421
$0.271/pcsRFQ
2225Y1K50682KXR Image
  • Part#:2225Y1K50682KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 1.5KV X7R 2225
  • In Stock:40085
$0.925/pcsRFQ
2225Y1000334JDR Image
  • Part#:2225Y1000334JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 100V X7R 2225
  • In Stock:18208
$1.64/pcsRFQ
0805Y1000100JAT Image
  • Part#:0805Y1000100JAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 100V C0G/NP0 0805
  • In Stock:236410
$0.085/pcsRFQ
  • Part#:0805Y0630121JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 120PF 63V C0G/NP0 0805
  • In Stock:349802
$0.068/pcsRFQ
1210J2500560JCT Image
  • Part#:1210J2500560JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 250V C0G/NP0 1210
  • In Stock:107809
$0.176/pcsRFQ
1808J0250391KCR Image
  • Part#:1808J0250391KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 25V C0G/NP0 1808
  • In Stock:192851
$0.113/pcsRFQ
0805Y2000270FFT Image
  • Part#:0805Y2000270FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 27PF 200V C0G/NP0 0805
  • In Stock:70046
$0.308/pcsRFQ
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