Part Numbering - Kemet T491 Series Capacitors


#1

The above cutout is from the current manufacturer data sheet. If you are looking at part number T491X107K025ZT from the T491 series the “Z” is not found on the current part number breakdown. This part is now obsolete and the “Z” is not part of the new part numbering system. The “Z” was calling out that the Capacitor was made at the Kemet facility in Portugal.

Using the part number breakdown from the data sheet below you would see that Kemet part T491X107K025AT would be a drop in replacement for the original part T491X107K025ZT. In the new breakdown the “A” is calling out a Failure Rate/Design of N/A and no longer call out a location the part was built.

[details=T491 Series Active Part Numbers]

  • Note that these were listed as active on the date of this post and are not monitored or updated. See individual part pages for part status.
    T491A106K010AT T491A105K016AT7280 T491A106K006AT7280 T491A225K010AT T491A105M016AT T491A105K016AT T491A105M020AT T491A155M016AT T491A155K010AT T491A335K006AT T491A155K016AT T491A225M010AT T491A155M010AT T491A106K010AT7280 T491A475K010AT T491A475M010AT T491A225K016AT T491A106M006AT T491A474K025AT T491A684M020AT T491A684K020AT T491A106K006AT T491A335K016AT T491A475M016AT T491A475K016AT T491A225M016AT T491A334M035AT T491A684K025AT T491A334K025AT T491A334K035AT T491A335M016AT T491A225M020AT T491A154K035AT T491A154M035AT T491A106M010AT T491A156K006AT T491A685M016AT T491A226K004AT T491A685K006AT T491A685M006AT T491A225K020AT T491A685M010AT T491A105K035AT T491A105M035AT T491A155K020AT T491A685K010AT T491B106K016AT7280 T491A226K006AT T491A106M016AT T491A226M006AT T491A106K016AT T491A685M020AT T491A475K006AT T491A475M006AT T491A104M035AT T491A104K035AT T491A475K025AT T491A685K016AT T491A225K025AT T491A335K010AT T491A335M010AT T491B106K016AT T491B105K035AT7280 T491A155M025AT T491A156M006AT T491A475M025AT T491A475M020AT T491A475K020AT T491A336K004AT T491B106M006AT T491B335M020AT T491B335K016AT T491B226K004AT T491B475M016AT T491B106K006AT T491B225K020AT T491B106M010AT T491B225M020AT T491B335M016AT T491B156K006AT T491A104M050AT T491A104K050AT T491A156M010AT T491B685M016AT T491B475K020AT T491B475K010AT T491B106M016AT T491B226K006AT T491B156K010AT T491B226M006AT T491B155K025AT T491B105K035AT T491B105K025AT T491B685K006AT T491B685M006AT T491B155M025AT T491B225M025AT T491B106K010AT T491B155M035AT T491B474M035AT T491B105M035AT T491B105M025AT T491B334M050AT T491A105K016AH T491A475K010AH T491A225K020AH T491B476K010AT T491C106K016AT7280 T491B476M006AT T491C475K020AT7280 T491B335K025AT T491A155M035AT T491B224K050AT T491A475K016AH T491B106M020AT T491B336M006AT T491B106K020AT T491B336K006AT T491B476K004AT T491B156M016AT T491A225M035AT T491C475K025AT7280 T491A155K035AT T491A225M025AT T491B225K035AT T491A106M010AH T491A335K025AT T491C106K025AT7280 T491A106K010AH T491A105K035AH T491B105M035AH T491A106M020AT T491A107M004AT T491A476M006AT T491A226M010AT T491A476M004AT T491A336M006AT T491C106K016AT T491A336K006AT T491C106K020AT T491C226K010AT T491C106M020AT T491C106K010AT T491C106M016AT T491C475K020AT T491C685K016AT T491B225K020AH T491A106K016AH T491A336K010AT T491A226K010AT T491C225K025AT T491C475M025AT T491C475K025AT T491C225M035AT T491C226K016AT T491C226M016AT T491B106M016AH T491B226M016AT T491B476K006AT T491B226K016AT T491B336K010AT T491B336M010AT T491C155M035AT T491B106K016AH T491C106K025AT T491B335M035AT T491B685K025AT T491C155K035AT T491B105K050AT T491C226M010AT T491C685K025AT T491C335M025AT T491C336M006AT T491C336K006AT T491C226M020AT T491C336K016AT T491C686K006AT T491C226K020AT T491D106M025AT7280 T491C476K006AT T491C335M035AT T491C335K035AT T491C476M010AT T491C476K010AT T491C685M035AT T491B475K035AT T491C475K035AT T491D106K035AT T491C476M016AT T491C686K010AT T491D106M035AT7280 T491B107M006AT T491B686M006AT T491B686M010AT T491B157M004AT T491B107M004AT T491B476M010AT T491B227M004AT T491B106M025AT T491B336M016AT T491C107M006AT T491C106M035AT T491C106K035AT T491D476K010AT T491D476M010AT T491D476K006AT T491B107K004AT T491B106K025AT T491B686K010AT T491D226K016AT T491D226M016AT T491C226K025AT T491D226K020AT T491D106M025AT T491D106K025AT T491D685K035AT T491D336M010AT T491D107K006AT T491D686K010AT T491D336K020AT T491D226M020AT T491D686M006AT T491D686K006AT T491D226K025AT T491D226M025AT T491D476M016AT T491D106K035AT7280 T491D156K025AT T491A225K006AT T491A105K020AT T491A105K010AT T491S105M020AT T491D106M035AT T491S475K006AT T491A106K004AT T491D107K010AT T491D157K006AT T491A105M025AT T491A474K035AT T491D157M006AT T491D156K035AT T491D156M035AT T491D475K050AT T491D475M050AT T491D475K035AT T491A224M035AT T491A226M004AT T491B685K010AT T491B685M010AT T491D476K020AT T491D476M020AT T491B225K016AT T491A225M006AT T491D336M016AT T491B475M020AT T491D107K016AT T491D107M016AT T491D686M016AT T491C225K050AT T491D336K016AT T491D686K016AT T491T106K010AT T491B685K016AT T491T106K016AT T491T156K010AT T491C107M010AT T491T226K010AT T491A156K010AT T491A155K025AT T491B225K025AT T491B474K035AT T491D225K050AT T491B155K035AT T491D227M006AT T491D157M010AT T491D157K010AT T491D226K035AT T491D476K025AT T491D476M025AT T491D227M010AT T491D336K025AT T491D337M006AT T491D227K010AT T491D337K006AT T491D336M025AT T491C685M016AT T491B226K010AT T491B476M004AT T491B335M025AT T491C336M016AT T491D335M050AT T491D335K050AT T491B475M025AT T491B475K025AT T491D476K020AH T491C107K016AT T491B474K050AT T491C476M006AT T491C685M025AT T491D157K016AT
    T491D685M050AT T491C336K010AT T491D686K020AT T491C475M020AT T491C475M016AT T491C685M020AT T491B105K035AH T491C227M006AT T491A686K006AT T491C156K016AT T491X226M035AT T491C476K020AT T491C336K025AT T491C686K016AT T491X157M010AT T491X107M016AT T491X686K020AT T491C685K035AT T491D227K016AT T491D107M006AT T491W107M010AT T491D685M035AT T491D106M050AT T491D106K050AT T491X107M020AT T491X107K020AT T491X227K010AT T491X157K016AT T491X336K025AT T491C686M010AT T491D156M025AT T491X686M025AT T491X686K025AT T491X336M035AT T491V226K020AT T491V476K016AT T491X476K035AT T491C474K050AT T491B157M006AT T491X227M016AT T491X157K020AT T491X157M020AT T491C226K010AH T491V107K016AT T491B686K006AT T491X476M035AT T491X476M025AT T491X107K025AT T491X107M025AT T491V106K035AT T491S475K010AT T491D476K010AH T491D336K010AH T491S106K010AT T491D686M025AT T491D477M006AT T491D337M010AT T491D686K025AT T491D336K035AT T491D337K010AT T491D477K006AT T491D336K035AH T491C337K004AT T491X107K020AH T491D107K010AH T491U157K006AT T491X156K050AT T491X156M050AT T491X477M010AT T491X108K006AT T491X337K006AT T491U226K016AT T491X336M025AT T491X226M050AT T491U336K016AT T491X226K050AT T491X477M006AT T491X227K016AT T491X337K010AT T491M107K006AT T491V226K025AT T491E477M010AT T491E108M004AT T491E227K016AT T491E476K035AT T491D687K004AT T491E107K020AT T491E477K006AT T491E687M006AT T491D107K020AT T491C156K010AT T491C226K006AT T491C475K016AT T491C156M016AT T491C106M010AT T491C475M035AT T491C336M020AT T491D156M020AT T491A106M004AT T491D157K004AT T491A105K025AT T491A335M020AT T491C106K016AH T491C106K020AH T491A335K020AT T491A224K035AT T491B335K020AT T491C106K025AH T491A684K035AT T491B685K020AT T491A474M025AT T491B156M010AT T491A474M035AT T491C105K050AH T491B684K035AT T491C226K020AH T491C476K010AH T491C106K035AH T491B334K050AT T491D226M035AT T491D156K025AH T491C226M006AT T491C685K020AT T491C335K025AT T491C225M025AT T491C225K035AT T491A225K035AT T491B225M035AT T491D106M035AH T491D335K035AT T491C156M010AT T491D225M050AT T491C156M020AT T491B335K035AT T491D685K050AT T491B156K020AT T491C157M010AT T491C227K006AT T491C105K050AT T491C105M050AT T491X227M006AT T491C107K006AT T491D156K020AT T491C226M025AT T491C476K016AT T491D686M010AT T491D107M004AT T491D336K010AT T491C155K050AT T491D475K050AH
    T491D226K010AT T491X227M010AT T491C336K020AT T491X476K025AT T491D475M035AT T491C685K025AH T491C225K035AH T491B336K016AT T491B107K006AT T491B226K020AT T491D106K050AH T491X685M050AT T491D227K006AT T491D336K016AH T491D226K020AH T491D106K025AH T491D476K016AH T491C227M010AT T491D226K035AH T491X107K016AH T491D477K004AT T491X686M020AT T491X107K016AT T491D157M016AT T491C157M006AT T491C686M016AT T491X156K035AT T491U106K020AT T491X157M016AT T491D107K016AH T491D155K050AT T491V476M016AT T491X477K006AT T491X337M010AT T491X685K050AT T491X106M050AT T491X106K050AT T491A335K016AT7280 T491B475K016AT T491B475M010AT T491C106K020AT7280 T491B226M010AT T491B156K016AT T491C106M025AT7280 T491C336M010AT T491C106M025AT T491C156K020AT T491B156K025AT T491B107M010AT T491D336M020AT T491D476K016AT T491C156K025AT T491D107M010AT T491T475K016AT T491D106K035AH T491D226K025AH T491X226K035AT T491C157K010AT T491C107K010AT T491X157K010AT T491X336K035AT T491X226K035AH T491X477K010AT T491A156K004AT T491A336M004AT T491B226K006AT7280 T491A475K006AS-F T491A335K016AS-F T491A685K006AS-F T491A105K010AS-F T491A475K016AS-F T491B684M035AT T491A105M016AH T491A224K035AS-F T491A335K016AH T491A105K020AH T491A225K010AH T491A225K016AH T491A684K025AH T491A685M010AH T491C156M006AT T491A105K025AH T491A474K035AH T491B106M006AH T491B335M020AH T491B475M016AH T491C156K006AT T491A475K025AH T491B106K010AH T491B475K010AH T491B475K016AH T491B475K020AH T491A686K004AT T491A476K004AT T491B106K006AS-F T491B225K020AS-F T491C336M016AT7280 T491A336M006AH T491B225K025AS-F T491B685K020AS-F T491B155K025AS-F T491B225K025AH T491B156K010AH T491A474K025AN T491C686M006AT T491B106K020AS-F T491C226K006AS-F T491B225K035AH T491B106K020AH T491B156K016AH T491C226K016AS-F T491C685K025AS-F T491B336M010AH T491D686K004AT T491D476M006AT T491B226K016AH T491B335K035AH T491B336K010AH T491B475K025AH T491B106K025AH T491C105K050AS-F T491S475M010AT T491C475K025AH T491C685K020AH T491T685M010AT T491C226M016AH T491C156K020AH T491C475K035AH T491C475K035AS-F T491T156K006AT T491T336K004AT T491T336M006AT T491M107M006AT T491T476K004AT T491C336K016AH T491C685K035AH T491D226K016AS-F T491C226K020AS-F T491T336K010AT T491C226K025AH T491D106M025AH T491D107M006AH T491D475K035AH T491D685K035AH T491D475K035AS-F T491D106K025AS-F T491D156K020AS-F T491U226M016AT T491U336K010AT7280 T491D107K010AS-F T491D335K050AH T491D107M016AH T491X227K016AT7280 T491D227K006AS-F T491V157M006AT T491D106K035AS-F T491V227M006AT T491V107K010AT T491V336K020AT T491V227M010AT T491D685K050AH T491D226M035AH T491D336M025AH T491X336M025AH T491D476M025AN T491X157K016AS-F T491X336K025AS-F T491D227K2R5AT T491D336K025AH T491X685K050AS-F T491X227K010AH T491X337K010AH T491X108K004AT T491E337K010AT T491B156K010AS-F T491C476K010AS-F T491D686K016AS-F[/details]
T491 Series Obsolete Part Numbers
  • Note that these were listed as obsolete on the date of this post and are not monitored or updated. See individual part pages for part status.
    T491X477K004AS T491D477K004AS T491D686K004AS T491D107M004AS T491A106K006AS T491A106M006AS T491B106K006AS T491B226K006AS T491C226K006AS T491C476K006AS T491C686K006AS T491D686K006AS T491A225K010AS T491A335K010AS T491A475K010AS T491A475M010AS T491A106K010AS T491A106M010AS T491B475K010AS T491B475M010AS T491B685K010AS T491B106K010AS T491B106M010AS T491B156K010AS T491C106K010AS T491C156K010AS T491C226K010AS T491D336K010AS T491C476K010AS T491C476M010AS T491D476K010AS T491D476M010AS T491D107K010AS T491D107M010AS T491D157M010AS T491X227K010AS T491A105K016AS T491A105M016AS T491A155K016AS T491A225K016AS T491A475K016AS T491A475M016AS T491B335K016AS T491B475K016AS T491B475M016AS T491C685M016AS T491B106K016AS T491B106M016AS T491C106K016AS T491C106M016AS T491C226K016AS T491C226M016AS T491C336K016AS T491D226K016AS T491D336K016AS T491D336M016AS T491D476K016AS T491D107K016AS T491D107M016AS T491X107K016AS T491X107M016AS T491X157K016AS T491A105K020AS T491A105M020AS T491B225K020AS T491B475K020AS T491C685K020AS T491C106K020AS T491C226K020AS T491D226K020AS T491D226M020AS T491D336K020AS T491D476K020AS T491D686K020AS T491X686K020AS T491X107M020AS T491A474K025AS T491A105K025AS T491B155K025AS T491B225K025AS T491C225K025AS T491C225M025AS T491C475K025AS T491C475M025AS T491C685K025AS T491C685M025AS T491C106K025AS T491C106M025AS T491D106K025AS T491D106M025AS T491D156K025AS T491D156M025AS T491D226K025AS T491D226M025AS T491X336K025AS T491X336M025AS T491A104K035AS T491A104M035AS T491A334K035AS T491B105K035AS T491B105M035AS T491C225K035AS T491C335M035AS T491C475K035AS T491D475K035AS T491C685M035AS T491D685K035AS T491D106K035AS T491D106M035AS T491D156K035AS T491X226K035AS T491X226M035AS T491B334M050AS T491C474K050AS T491C105K050AS T491D225K050AS T491D335M050AS T491D475K050AS T491S475M010AS T491A685K004AS T491B107M004AS T491D477M006AS T491B476M010AS T491B686M006AS T491E687M006AS T491E477M010AS T491A226M010AS T491D337M010AS T491A106M016AS T491B226M016AS T491B335M035AS T491D685M050AS T491B107M006AS T491C227M006AS T491R105M020AS T491D476M025AS T491X686M025AS T491A156K010AS T491R685K006AS T491C157K010AS T491X156K035AS T491C337K004AS T491R335K010AS T491X476K035AS T491T107M004AT T491A686K004AS T491A107M004AS T491B157M004AS T491A476M006AS T491X227K016ZT7280 T491B685K025AS T491C226K025AS T491D157K016AS T491V107K016AS T491V227K010AS T491B476M004ZT T491A475K006ZT T491A685K006ZT T491A685M006ZT T491A106K006ZT T491A106M006ZT T491A226K006ZT T491A226M006ZT T491B226K006ZT T491B226M006ZT T491B336K006ZT T491B336M006ZT T491B476K006ZT T491B476M006ZT T491B107M006ZT T491C107M006ZT T491D107K006ZT T491D227M006ZT T491A335M010ZT T491A475K010ZT T491A475M010ZT T491A685K010ZT T491A106K010ZT T491A106M010ZT T491B106K010ZT T491B106M010ZT T491B156K010ZT T491B156M010ZT T491A226M010ZT T491B226K010ZT T491B226M010ZT T491C226K010ZT T491C226M010ZT T491B336M010ZT T491U336K010ZT7280 T491C336K010ZT T491C336M010ZT T491B476K010ZT T491C476K010ZT T491C476M010ZT T491D686K010ZT T491C107K010ZT T491C107M010ZT T491D107K010ZT T491D107M010ZT T491D157M010ZT T491D227M010ZT T491X227M010ZT T491A225K016ZT T491A225M016ZT T491A335K016ZT T491A335M016ZT T491A475K016ZT T491A475M016ZT T491A685K016ZT T491B685M016ZT T491A106K016ZT T491A106M016ZT T491T106K016ZT T491B106K016ZT T491B106M016ZT T491B156M016ZT T491B226K016ZT T491B226M016ZT T491C226K016ZT T491C226M016ZT T491C336M016ZT T491C476K016ZT T491C476M016ZT T491D476K016ZT T491D476M016ZT T491W686K016ZT T491D686K016ZT T491D686M016ZT T491D107K016ZT T491D107M016ZT T491A225M020ZT T491B475M020ZT T491B106M020ZT T491C106K020ZT T491C106M020ZT T491C156K020ZT T491C226M020ZT T491D336K020ZT T491D336M020ZT T491D476K020ZT T491D476M020ZT T491A105K025ZT T491A105M025ZT T491B475K025ZT T491C106M025ZT T491D226K025ZT T491D226M025ZT T491D336M025ZT7280 T491A474M035ZT T491A684K035ZT T491A105M035ZT T491B225K035ZT T491B225M035ZT T491C475K035ZT T491C475M035ZT T491V106K035ZT T491C106M035ZT T491D156M035ZT T491X476M035ZT T491X106M050ZT T491D107K006AS T491R105M020AT T491R335K010AT T491R685K006AT T491V227K010AT T491D227M006AS T491D227K016ZT T491C226K025ZTZ154 T491C226M025ZTZ154 T491M107K006ZT T491C227M010ZT T491X107K025ZT T491C476K020ZT T491R106K010AT T491B107K010AT T491R106K006AT T491R225K016AT