battrax quad negative slic protector http://www.littelfuse.com 2 - 56 ? 2004 littelfuse, inc. +1 972-580-7777 sidactor ? data book and design guide battrax quad negative slic protector this battrax device is an integrated overvoltage protection solution for slic-based (subscriber line interface circuit) line cards. this six-pin device is constructed using four scrs and four gate diodes. the device is referenced to v bat and conducts when a voltage that is more negative than -v ref is applied to the cathode (pins 1, 3, 4, or 6) of the scr. during conduction, all negative transients are shorted to ground. all positive transients are passed to ground by steering diodes. for specific diagrams showing these battrax applications, see figure 3.37. * for individual ?ua? and ?uc? surge ratings, see table below. ** contact factory for release date. 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. ? i pp ratings assume a v ref = 48 v. ? v drm is measured at i drm. ? v s is measured at 100 v/s. ? off-state capacitance (c o ) is measured at 1 mhz with a 2 v bias and is a typica l value. ?uc? product is approximately 2x the listed value. ? v ref maximum value for the negative battrax is -200 v. electrical parameters part number * v drm volts v s volts v t volts i drm amps i gt mamps i t amps i h mamps c o pf b1101u_4 * * |-v ref | + |-1.2v| |-v ref | + |-10v| 4 5 100 2.2 100 50 b1161u_4 ** |-v ref | + |-1.2v| |-v ref | + |-10v| 4 5 100 2.2 160 50 b1201u_4 ** |-v ref | + |-1.2v| |-v ref | + |-10v| 4 5 100 2.2 200 50 surge ratings 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 500 400 200 120 100 50 500 1 (t) 3 (r) 2 (-v ref ) ground 5 (t) 6 (r) 4
battrax quad negative slic protector ? 2004 littelfuse, inc. 2 - 57 http://www.littelfuse.com sidactor ? data book and design guide +1 972-580-7777 data sheets thermal considerations package symbol parameter value unit modified ms-013 t j operating junction temperature range -40 to +125 c t s storage temperature range -65 to +150 c r ja thermal resistance: junction to ambient 60 c/w 1 2 3 6 5 4 i h i t i s i drm v drm v t +v -v +i -i v s i h i t i gt i drm v drm v t + v -v +i -i v s positive battrax characteristics negative battrax characteristics 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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