r o h s telecom design guide ? ? 2006 littelfuse 3 - 91 www.littelfuse.com sidactor devices catv line amplifiers/power inserters 5 ka sidactor ? device this sidactor device is a 5000 a solid state protection device offered in a non-isolated to-218 package. it protects equipment located in the severe surge environment of catv (community antenna tv) systems and antenna locations. * ?l? in part number indicates rohs compliance. for non-rohs compliant device, delete ?l? from part number. for surge ratings, see table below. ** i t is a free air rating; heat sink i t rating is 25 a. general notes: ? all measurements are made at an ambient temperature of 25 c. i pp applies to -40 c through +85 c temperature range. ? i pp is a repetitive surge rating and is guaranteed for the life of the product. ? listed sidactor devices are bi-directional. all electr ical parameters and surge ratings apply to forward and reverse polarities. ? v drm is measured at i drm. ? v s is measured at 100 v/s. ? special voltage (v s and v drm ) and holding current (i h ) requirements are available upon request. * current waveform in s ** voltage waveform in s electrical parameters part number * v drm volts v s volts v t volts i drm amps i s mamps i t amps ** i h mamps P1500MEL 140 180 4 5 800 2.2/25 50 p1900mel 140 220 4 5 800 2.2/25 50 p2300mel 180 260 4 5 800 2.2/25 50 surge ratings in amps series i pp i tsm 50 / 60 hz di/dt 8x20 * 1.2x50 ** amps amps amps/s e 5000 400 630 12
www.littelfuse.com 3 - 92 ? 2006 littelfuse ? telecom design guide catv line amplifiers/power inserters 5 ka sidactor? device r jc rating assumes the use of a heat sink and on state mode for extended time at 25 a, with average power dissipation of 29.125 w. note: off-state capacitance (c o ) is measured at 1 mhz with a 2 v bias. thermal conditions package symbol parameter value unit to-218 t j operating junction temperature range -40 to +150 c t s storage temperature range -65 to +150 c t c maximum case temperature 100 c r jc * thermal resistance: junction to case 1.7 c/w r ja thermal resistance: junction to ambient 56 c/w capacitance values part number pf min max P1500MEL 400 650 p1900mel 400 650 p2300mel 350 600 1 2 3 2 (no connection) i h i t i s i drm v drm v t + v -v +i -i v s v-i characteristics 50 100 0 t r t d 0 peak value half value t ? time (s) i pp ? peak pulse current ? %i pp t r = rise time to peak value t d = decay time to half value waveform = t r x t d t r x t d pulse waveform -8 -40 -20 0 20 40 60 80 100 120 140 160 -6 -4 0 2 4 6 8 10 12 14 junction temperature (t j ) ? ?c percent of v s change ? % 25 ?c normalized v s change versus junction temperature 0.4 -40 -20 0 20 40 60 80 100 120 140 160 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 case temperature (t c ) ? ?c ratio of i h i h (t c = 25 ?c) 25 ?c normalized dc holding current versus case temperature
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