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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

1812Y1K50122KXT Image
  • Part#:1812Y1K50122KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 1.5KV X7R 1812
  • In Stock:79413
$0.298/pcsRFQ
1808Y0630821GCR Image
  • Part#:1808Y0630821GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 63V C0G/NP0 1808
  • In Stock:103511
$0.195/pcsRFQ
2225Y0250823KCR Image
  • Part#:2225Y0250823KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 25V C0G/NP0 2225
  • In Stock:24575
$1.243/pcsRFQ
0603J0500560JFT Image
  • Part#:0603J0500560JFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 50V C0G/NP0 0603
  • In Stock:306827
$0.075/pcsRFQ
2211JA250271GCTSPU Image
  • Part#:2211JA250271GCTSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 250V C0G/NP0 2211
  • In Stock:29175
$1.103/pcsRFQ
2225J1000821GFT Image
  • Part#:2225J1000821GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 820PF 100V C0G/NP0 2225
  • In Stock:13880
$2.361/pcsRFQ
1825J0630102GCR Image
  • Part#:1825J0630102GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 63V C0G/NP0 1825
  • In Stock:28527
$1.345/pcsRFQ
1808JA256P80CCTSPU Image
  • Part#:1808JA256P80CCTSPU
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 250V C0G/NP0 1808
  • In Stock:57376
$0.332/pcsRFQ
0805J1000391KCT Image
  • Part#:0805J1000391KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 100V C0G/NP0 0805
  • In Stock:377384
$0.062/pcsRFQ
1206Y0250182MXR Image
  • Part#:1206Y0250182MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 25V X7R 1206
  • In Stock:316621
$0.073/pcsRFQ
1825J3K00681KXR Image
  • Part#:1825J3K00681KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 3KV X7R 1825
  • In Stock:66310
$0.531/pcsRFQ
1812J1000151GCR Image
  • Part#:1812J1000151GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 100V C0G/NP0 1812
  • In Stock:75613
$0.441/pcsRFQ
2225J0250393FFT Image
  • Part#:2225J0250393FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 25V C0G/NP0 2225
  • In Stock:5968
$5.409/pcsRFQ
1206Y1000472GCT Image
  • Part#:1206Y1000472GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 100V C0G/NP0 1206
  • In Stock:80020
$0.287/pcsRFQ
0805Y2000123MER Image
  • Part#:0805Y2000123MER
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 200V X7R 0805
  • In Stock:263812
$0.089/pcsRFQ
0805J2501P60CUT Image
  • Part#:0805J2501P60CUT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.6PF 250V C0G/NP0 0805
  • In Stock:98684
$0.191/pcsRFQ
  • Part#:2220J0500680KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 50V C0G/NP0 2220
  • In Stock:33055
$0.924/pcsRFQ
1808J2000222JDR Image
  • Part#:1808J2000222JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 200V X7R 1808
  • In Stock:88261
$0.215/pcsRFQ
1206J1K00182KXR Image
  • Part#:1206J1K00182KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 1KV X7R 1206
  • In Stock:239905
$0.09/pcsRFQ
1206Y0500154MDT Image
  • Part#:1206Y0500154MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 50V X7R 1206
  • In Stock:135198
$0.17/pcsRFQ
2225Y1000393JFR Image
  • Part#:2225Y1000393JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 100V C0G 2225
  • In Stock:16131
$2.228/pcsRFQ
0805Y0630472JXR Image
  • Part#:0805Y0630472JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4700PF 63V X7R 0805
  • In Stock:300912
$0.067/pcsRFQ
1825Y5K00390GCR Image
  • Part#:1825Y5K00390GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 5KV C0G/NP0 1825
  • In Stock:57973
$0.569/pcsRFQ
1812J5000820GCT Image
  • Part#:1812J5000820GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 500V C0G/NP0 1812
  • In Stock:71329
$0.46/pcsRFQ
1812Y3K00330KCT Image
  • Part#:1812Y3K00330KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 33PF 3KV C0G/NP0 1812
  • In Stock:78601
$0.292/pcsRFQ
1825Y0500180KCT Image
  • Part#:1825Y0500180KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 50V C0G/NP0 1825
  • In Stock:39557
$0.875/pcsRFQ
  • Part#:2225J0250102FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2225
  • In Stock:8759
$4.234/pcsRFQ
1812Y0500183JFR Image
  • Part#:1812Y0500183JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 50V C0G/NP0 1812
  • In Stock:62908
$0.559/pcsRFQ
1210Y0630393KDR Image
  • Part#:1210Y0630393KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.039UF 63V X7R 1210
  • In Stock:98329
$0.225/pcsRFQ
1812YA250151KCRPY2 Image
  • Part#:1812YA250151KCRPY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 250V C0G/NP0 1812
  • In Stock:77305
$0.406/pcsRFQ
1808Y2500151MDT Image
  • Part#:1808Y2500151MDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 150PF 250V X7R 1808
  • In Stock:129394
$0.183/pcsRFQ
2225Y1K00271JFR Image
  • Part#:2225Y1K00271JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 1KV C0G/NP0 2225
  • In Stock:35402
$1.098/pcsRFQ
1206J2000390KFR Image
  • Part#:1206J2000390KFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 200V C0G/NP0 1206
  • In Stock:180881
$0.113/pcsRFQ
2220Y2000180KCT Image
  • Part#:2220Y2000180KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 18PF 200V C0G/NP0 2220
  • In Stock:36096
$0.855/pcsRFQ
1812Y0500823JCR Image
  • Part#:1812Y0500823JCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.082UF 50V C0G/NP0 1812
  • In Stock:32477
$0.978/pcsRFQ
0805J0500100KAR Image
  • Part#:0805J0500100KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 10PF 50V C0G/NP0 0805
  • In Stock:292496
$0.075/pcsRFQ
0805Y2000241KQT Image
  • Part#:0805Y2000241KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 240PF 200V C0G/NP0 0805
  • In Stock:103957
$0.212/pcsRFQ
1825J0630681FCT Image
  • Part#:1825J0630681FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 63V C0G/NP0 1825
  • In Stock:14000
$2.698/pcsRFQ
1111J2K04P70CQT Image
  • Part#:1111J2K04P70CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 4.7PF 2KV C0G/NP0 1111
  • In Stock:57836
$0.338/pcsRFQ
0603Y0630182JDR Image
  • Part#:0603Y0630182JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1800PF 63V X7R 0603
  • In Stock:279025
$0.075/pcsRFQ
1812Y1K00681JDR Image
  • Part#:1812Y1K00681JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 1KV X7R 1812
  • In Stock:70292
$0.456/pcsRFQ
2220J6K00102JXT Image
  • Part#:2220J6K00102JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 6KV X7R 2220
  • In Stock:79851
$0.411/pcsRFQ
2220J0500390FFT Image
  • Part#:2220J0500390FFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 50V C0G/NP0 2220
  • In Stock:9006
$3.813/pcsRFQ
1206Y1K06P80CAR Image
  • Part#:1206Y1K06P80CAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6.8PF 1KV C0G/NP0 1206
  • In Stock:100193
$0.211/pcsRFQ
0805J1000152MXR Image
  • Part#:0805J1000152MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 100V X7R 0805
  • In Stock:437734
$0.053/pcsRFQ
0505Y3002P40CQT Image
  • Part#:0505Y3002P40CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.4PF 300V C0G/NP0 0505
  • In Stock:123200
$0.191/pcsRFQ
1206J6302P40CQT Image
  • Part#:1206J6302P40CQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.4PF 630V C0G/NP0 1206
  • In Stock:110458
$0.175/pcsRFQ
1206J2000471GQT Image
  • Part#:1206J2000471GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 200V C0G/NP0 1206
  • In Stock:69390
$0.433/pcsRFQ
1808Y1K20102KXT Image
  • Part#:1808Y1K20102KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1.2KV X7R 1808
  • In Stock:142738
$0.132/pcsRFQ
1825J1K50471GCT Image
  • Part#:1825J1K50471GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 470PF 1.5KV C0G/NP0 1825
  • In Stock:26979
$1.136/pcsRFQ
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