fixed voltage slic protector http://www.littelfuse.com 2 - 42 ? 2004 littelfuse, inc. +1 972-580-7777 sidactor ? data book and design guide fixed voltage slic protector these do-214aa unidirectional prot ectors are constructed with a sidactor device and an integrated diode. they protect slics (subscriber line interface circuits) from damage during transient voltage activity and enable line cards to meet various regulatory requirements including gr 1089, itu k.20, k.21 and k.45, iec 60950, ul 60950, and tia-968-a (formerly known as fcc part 68). for specific design criteria, see details in figure 3.22. * for individual ?sa? and ?sc? surge ratings, see table below. 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. ? v drm is measured at i drm. ? v s and v f are measured at 100 v/s. ? special voltage (v s and v drm ) and holding current (i h ) requirements are available upon request. ? off-state capacitance (c o ) is measured at 1 mhz with a 2 v bias and is a typi cal value for ?sa? and ?sb? product. ?sc? capacitance is approximately 2x the listed value. ? parallel capacitive loads may affect electrical parameters. electrical parameters part number * v drm volts v s volts v t volts v f volts i drm amps i s mamps i t amps i h mamps c o pf p0641s_ 58 77 4 5 5 800 1 120 70 p0721s_ 65 88 4 5 5 800 1 120 70 p0901s_ 75 98 4 5 5 800 1 120 70 p1101s_ 95 130 4 5 5 800 1 120 70 P1701S_ 160 200 4 5 5 800 1 120 70 surge ratings (preliminary data) series i pp 2x10 s amps i pp 8x20 s amps i pp 10x160 s amps i pp 10x560 s amps i pp 10x1000 s amps i tsm 60 hz amps di/dt amps/s a 150 150 90 50 45 20 500 c 500 400 200 150 100 50 500 (t/r) (g) cathode
fixed voltage slic protector ? 2004 littelfuse, inc. 2 - 43 http://www.littelfuse.com sidactor ? data book and design guide +1 972-580-7777 data sheets thermal considerations package symbol parameter value unit do-214aa t j operating junction temperature range -40 to +150 c t s storage temperature range -65 to +150 c r ja thermal resistance: junction to ambient 90 c/w i h i t i s i drm v drm v t +v -v +i -i v s i h i drm v drm v t +v +i v s i s i t v f -v -i 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 wave-form -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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