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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

1808J6300272KXR Image
  • Part#:1808J6300272KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 630V X7R 1808
  • In Stock:97933
$0.207/pcsRFQ
0603Y1000152JDT Image
  • Part#:0603Y1000152JDT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 100V X7R 0603
  • In Stock:226872
$0.083/pcsRFQ
0805Y2000820GQT Image
  • Part#:0805Y2000820GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 82PF 200V C0G/NP0 0805
  • In Stock:100560
$0.389/pcsRFQ
2225Y0630183GCR Image
  • Part#:2225Y0630183GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 63V C0G/NP0 2225
  • In Stock:17368
$1.951/pcsRFQ
1206J1000124JXT Image
  • Part#:1206J1000124JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 100V X7R 1206
  • In Stock:141874
$0.141/pcsRFQ
2220YA250391JXRB16 Image
  • Part#:2220YA250391JXRB16
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 390PF 250V X7R 2220
  • In Stock:72189
$0.505/pcsRFQ
1812JA250681JXTSY2 Image
  • Part#:1812JA250681JXTSY2
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 680PF 250V X7R 1812
  • In Stock:63475
$0.475/pcsRFQ
1206J1000390GQT Image
  • Part#:1206J1000390GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 100V C0G/NP0 1206
  • In Stock:71256
$0.276/pcsRFQ
1206Y2K00150JQT Image
  • Part#:1206Y2K00150JQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 2000V C0G/NP0 1206
  • In Stock:85479
$0.257/pcsRFQ
1825Y1K00120FCR Image
  • Part#:1825Y1K00120FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 12PF 1KV C0G/NP0 1825
  • In Stock:20359
$1.894/pcsRFQ
1812J0630333GCT Image
  • Part#:1812J0630333GCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.033UF 63V C0G/NP0 1812
  • In Stock:40606
$0.811/pcsRFQ
2211YA250271KCTSP Image
  • Part#:2211YA250271KCTSP
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 270PF 250V C0G/NP0 2211
  • In Stock:54329
$0.706/pcsRFQ
2225Y0630564JDR Image
  • Part#:2225Y0630564JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.56UF 63V X7R 2225
  • In Stock:18926
$1.721/pcsRFQ
2220Y0500682KCR Image
  • Part#:2220Y0500682KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 50V C0G/NP0 2220
  • In Stock:44020
$0.722/pcsRFQ
1206J2002P70CAT Image
  • Part#:1206J2002P70CAT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2.7PF 200V C0G/NP0 1206
  • In Stock:129732
$0.16/pcsRFQ
2220Y1000682GFR Image
  • Part#:2220Y1000682GFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 100V C0G/NP0 2220
  • In Stock:19665
$1.974/pcsRFQ
2225Y0100274GCR Image
  • Part#:2225Y0100274GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.27UF 10V C0G/NP0 2225
  • In Stock:9420
$3.375/pcsRFQ
0805Y0630123MXR Image
  • Part#:0805Y0630123MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.012UF 63V X7R 0805
  • In Stock:344061
$0.062/pcsRFQ
1825J1K00122KXR Image
  • Part#:1825J1K00122KXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 1KV X7R 1825
  • In Stock:71926
$0.508/pcsRFQ
0805Y0501P20BQT Image
  • Part#:0805Y0501P20BQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.2PF 50V C0G/NP0 0805
  • In Stock:158804
$0.151/pcsRFQ
1825J2K00181KCR Image
  • Part#:1825J2K00181KCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 2KV C0G/NP0 1825
  • In Stock:72932
$0.541/pcsRFQ
2220Y0100684JXT Image
  • Part#:2220Y0100684JXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 10V X7R 2220
  • In Stock:39426
$0.999/pcsRFQ
2225J0500684KXT Image
  • Part#:2225J0500684KXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68UF 50V X7R 2225
  • In Stock:39719
$0.819/pcsRFQ
1808J1K00102FCR Image
  • Part#:1808J1K00102FCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1000PF 1KV C0G/NP0 1808
  • In Stock:50295
$0.592/pcsRFQ
1206J0631P80DFT Image
  • Part#:1206J0631P80DFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1.8PF 63V C0G/NP0 1206
  • In Stock:209014
$0.116/pcsRFQ
1812Y5000124JXR Image
  • Part#:1812Y5000124JXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.12UF 500V X7R 1812
  • In Stock:66966
$0.463/pcsRFQ
0603Y0630390FCT Image
  • Part#:0603Y0630390FCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 63V C0G/NP0 0603
  • In Stock:138022
$0.174/pcsRFQ
1812J2500682KDR Image
  • Part#:1812J2500682KDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 6800PF 250V X7R 1812
  • In Stock:55123
$0.351/pcsRFQ
1206Y1K00122JDR Image
  • Part#:1206Y1K00122JDR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1200PF 1KV X7R 1206
  • In Stock:138704
$0.145/pcsRFQ
2225J2000680JCT Image
  • Part#:2225J2000680JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 68PF 200V C0G/NP0 2225
  • In Stock:41076
$0.842/pcsRFQ
1808Y1008P20DFR Image
  • Part#:1808Y1008P20DFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 8.2PF 100V C0G/NP0 1808
  • In Stock:71956
$0.306/pcsRFQ
0603Y200P680BCT Image
  • Part#:0603Y200P680BCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.68PF 200V C0G/NP0 0603
  • In Stock:154230
$0.151/pcsRFQ
1812J2500184MXR Image
  • Part#:1812J2500184MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.18UF 250V X7R 1812
  • In Stock:69635
$0.328/pcsRFQ
2220Y1K50272MXT Image
  • Part#:2220Y1K50272MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 1.5KV X7R 2220
  • In Stock:76913
$0.504/pcsRFQ
1825Y6K00560GCR Image
  • Part#:1825Y6K00560GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 56PF 6KV C0G/NP0 1825
  • In Stock:57325
$0.687/pcsRFQ
2220Y2500334MXT Image
  • Part#:2220Y2500334MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.33UF 250V X7R 2220
  • In Stock:45977
$0.821/pcsRFQ
1812J0160183GFT Image
  • Part#:1812J0160183GFT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.018UF 16V C0G/NP0 1812
  • In Stock:37709
$0.882/pcsRFQ
1808Y2500390KCT Image
  • Part#:1808Y2500390KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 39PF 250V C0G/NP0 1808
  • In Stock:184516
$0.127/pcsRFQ
1111Y1000181GQT Image
  • Part#:1111Y1000181GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 180PF 100V C0G/NP0 1111
  • In Stock:51562
$0.68/pcsRFQ
1825J0100224GCR Image
  • Part#:1825J0100224GCR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.22UF 10V C0G/NP0 1825
  • In Stock:8597
$3.467/pcsRFQ
2220J1000222JFR Image
  • Part#:2220J1000222JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2200PF 100V C0G/NP0 2220
  • In Stock:39359
$1.002/pcsRFQ
0603J0630111KQT Image
  • Part#:0603J0630111KQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 110PF 63V C0G/NP0 0603
  • In Stock:187199
$0.114/pcsRFQ
1825J1K20272KCT Image
  • Part#:1825J1K20272KCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 2700PF 1.2KV C0G 1825
  • In Stock:49080
$0.726/pcsRFQ
1808J4K00561MXR Image
  • Part#:1808J4K00561MXR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 560PF 4KV X7R 1808
  • In Stock:109311
$0.175/pcsRFQ
1812J1000150JCT Image
  • Part#:1812J1000150JCT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 100V C0G/NP0 1812
  • In Stock:74218
$0.311/pcsRFQ
1111Y2500200GQT Image
  • Part#:1111Y2500200GQT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 20PF 250V C0G/NP0 1111
  • In Stock:63949
$0.595/pcsRFQ
1812Y0500152FFR Image
  • Part#:1812Y0500152FFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 1500PF 50V C0G/NP0 1812
  • In Stock:23559
$1.468/pcsRFQ
1812J0500150KAR Image
  • Part#:1812J0500150KAR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 15PF 50V C0G/NP0 1812
  • In Stock:92480
$0.402/pcsRFQ
2220J0250154MXT Image
  • Part#:2220J0250154MXT
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 0.15UF 25V X7R 2220
  • In Stock:63497
$0.609/pcsRFQ
2225Y2500331JFR Image
  • Part#:2225Y2500331JFR
  • Manufacturers:Knowles Syfer
  • Description:CAP CER 330PF 250V C0G/NP0 2225
  • In Stock:25853
$1.4/pcsRFQ
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