supply of filter choke for tfbc-10 amp> 360(+/-2) (plus or minus) micro henry 100 hz as per rdso specif ication irs-s-89/2013, version 1.0 with m.s. threaded terminations (a) the size should be 27mm x 64mm x 78m m(+/-1mm) inclusive of insulation.(b)ripple contents less than 5% while using with pie filter having 2 nos of cond ensor 47000 micro-farad with input voltage setting of 2v,4v,6v & 8v. (c) suitable higs to be provided in the chok e for fixing (d) winding should be vacuum impregenate and shall be of natural air cooled type and shall be confir med to is 6297 class -f for higher grade insulating material as per is 1271 and polyster enameled copper windin g wire confirming to is 13730(part 3). [ warranty period: 30 months after the date of delivery ]