supply of one set consists of a) k4 heat sink (aluminium with fastener) with bridge rectifier assembly -01 no bridge rectifier kbpc 3510 or mic mb3510 or similar as per enclosed drg.no.s&t/mft/6508/adv.1 b) k4 heat sink (aluminium with fastener) with blocking diode assembly-01 no blocking diode-25ns40lp or equivalent - 25amps/400volts as per enclosed drg.no.s&t/mft/6509/ adv.1 as per specification no. irs : s89/2013 version 1.0.one set consists of a) k4 heat sink (aluminium with fastener) with bridge rectifier assembly -01 no bridge rectifier kbpc 3510 or mic mb3510 or similar as per enclosed drg.no.s&t/mft/6508/adv.1 b) k4 heat sink (aluminium with fastener) with blocking diode assembly-01 no blocking diode-25ns40lp or equivalent - 25amps/400volts as per enclosed drg.no.s&t/mft/6509/ adv.1 as per specification no. irs : s89/2013 version 1.0.,one set consists of a) k4 heat sink (aluminium with fastener) with bridge rectifier asse mbly -01 no bridge rectifier kbpc 3510 or mic mb3510 or similar as per enclosed drg.no.s&t/mft/65 08/adv.1 b) k4 heat sink (aluminium with fastener) with blocking diode assembly-01 no blocking dio de-25ns40lp or equivalent - 25amps/400volts as per enclosed drg.no.s&t/mft/6509/ adv.1 as per s pecification no. irs : s89/2013 version 1.0. [ warranty period: 30 months after the date of deliver y ] ]