thyristor / diode and thyristor / thyristor, 90a ( add - a - pak power modules ) features? high voltage ? electrically isolated by dbc ceramic ( ai o ) 2 3 ? 3000 v rms isolating voltage ? industrial standard package ? high surge capability two elements in one package ? modules uses high voltage power thyristors / diodes in two b asic configurations ? simple mounting ? ul approved file e320098 ? compliant to rohs ? designed and qualified for multiple level applications ? dc motor control and drives ? battery charges ? welders ? power converters ? lighting control ? heat and temperature control major ratings and characteristics 85 c a 50 hz 60 hz 2 i t 50 hz 2 ka 60 hz 2 i t v / v drm rrm range t j range nkt nkh product summary 90 a 85 c units value a 2 ka s c v 9 5 14 9 2000 2100 20 18.3 200 6 00 to 1600 -40 to 125 n ell high power products page 1 of 4 nkt90/nkh90 series rohs www.nellsemi.com add-a-pak ? 3 2 1 3 2 1 i / i t ( av ) f ( av ) i / i t ( rms ) f ( rms ) i / i tsm fsm characteristics symbol i / i t ( av ) f ( av ) s apr 2017
blocking parameter symbol test conditions values maximum peak reverse and off-state leakage current i rrm i drm t j = 125 c rms isolation voltage v iso 50 hz , circuit to base , all terminals shorted v critical rate of rise of off-state voltage dv / dt t j = t j maximum , exponential to 67 % rated v drm v / s electrical specifications voltage ratings type number voltage code v rrm / v drm , maximum repetitive peak reverse voltage v v rsm / v dsm , maximum non - repetitive peak reverse voltage v i rrm / i drm at 125 c ma nkt9 0 10 08 800 900 12 1200 1300 14 1400 1500 16 1600 1700 10 800 ma 2500 (1min) 3000 (1s) units nkh9 0 page 2 of 4 www.nellsemi.com forward conduction parameter maximum average on-state current (thyristors) maximum average forward current (diodes) 180 conduction , half sine wave, 50hz , t = 85 c c maximum rms on - state current a maximum peak, one-cycle, on-state non - repetitive surge current t = 10 ms no voltage reapplied sine half wave, initial t = t maximum j j t = 8.3 ms ka 2 s maximum i 2 t for fusing 2 i t = 0.1 ms to 10 ms , no voltage reapplied maximum on - state voltage drop v tm maximum forward voltage drop v fm maximum holding current i h ma maximum latching current i l 400 v units 180 conduction , half sine wave, 50hz ,t = 85 c c value 9 5 14 9 2000 2100 20 18.3 200 1.7 1.3 250 a t = 10 ms t = 8.3 ms t = 10 ms t = 8.3 ms 2 ka 14.1 12.9 reapplied 100%v rrm l t(rms) 2 maximum l t for fusing test conditions symbol l t(av) l f (av) l f(rms) l fsm l tsm no voltage reapplied t = 10 ms t = 8.3 ms reapplied 100%v rrm 1680 1764 2 l t value of threshold voltagevalue of on-state slope resistance v t(to) r t t = t maximum j j 0 . 8 0 3 . 01 v m s i = 270 a, t = 25 c, 180 conduction tm j i = 270 a, t = 25 c, 180 conduction fm j anode supply = 6 v, resistive load t = 25 c j t n ell high power products nkt90/nkh90 series rohs apr 2017
triggering parameter symbol test conditions values units maximum peak gate power p gm t p 5 ms , t j = t j maximum 10 w maximum average gate power p g(av) f = 50 hz , t j = t j maximum 3 maximum peak gate current i gm t p 5 ms , t j = t j maximum 3 a maximum peak negative gate voltage - v gm 10 v gate voltage v gt anode supply = 6 v , resistive load; r a = 1 t j = 25 c i gt ma maximum gate voltage that will not trigger v gd t j = t j maximum , 66.7% v drm applied 0.25 maximum gate current that will not trigger i gd 10 ma maximum rate of rise of turned-on current di / dt t j = 25 oc , gate drive 20v , 20 , t 0.5 s r 150 a / s thermal and mechanical specifications parameter symbol test conditions maximum junction operating temperature range t j - 40 to 125 c maximum storage temperature range t stg - 40 to 1 4 0 maximum thermal resistance, junction to ca se per junction r thjc dc operation c / w maximum thermal resistance, case to heatsink per module r thcs mounting surface, smooth , flat and greased mounting torque 10 % aap to heatsink, m6 a mounting compound is recommended and the torque should be rechecked after a period of 3 hours to allow for the spread of the compound. lubricated threads . busbar to aap, m5 approximate weight 1 75 6 .2 case style add-a-pak triggering j j j = t j j j maximum required dc to trigger a maximum required dc gate current to trigger = t c thcs ordering information table 1 2 3 - voltage code x 100 = v rrm device code ? 0.7~1.10 30~100 v oz. g 0.10 0.2 8 n.m 4 nkt 16 90 / 3 2 1 - module type: nkt for (thyristor + thyristor) module nkh for (thyristor + diode) module page 3 of 4 www.nellsemi.com units values - current rating : 90 for 95a n ell high power products nkt90/nkh90 series rohs apr 2017
t = 125 c j 0 180 conduction angle 0 180 conduction angle fig.1 peak on-state voltage vs. peak on-state current fig.2 max. thermal impedance (junction to case) vs. time fig.3 power dissipation vs. average on-state current fig.4 case temperature vs. average on-state current fig.5 surge on-state current vs. cycles peak on-state voltage (v) thermal impedance (c/w) power dissipation (w) case timperature (c) surge on-state current (ka) peak on-state current (a) time (s) average on-state current (a) 3.8 3.4 3 2.6 2.2 1.8 1.4 1 0.6 10 100 1000 0.3 0.25 0.2 0.15 0.1 0.05 0 0.001 0.01 0.1 1 10 250 200 150 100 50 0 0 30 60 90 120 140 120 100 80 60 40 20 0 0 30 60 90 120 150 180 30 60 90 120 180 30 60 120 180 90 on-state average current (a) time (cycles) 100 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 1 10 page 4 of 4 www.nellsemi.com fig.6 gate characteristics gate voltage (v) gate current (ma) -1 10 1 10 2 10 3 10 1 10 2 5 5 2 5 2 2 o 10 5 5 22 maximum gate voltage that will not trigger any unit 125 c 25 c -40 c peak forward gate voltage (10v) peak gate current (3a) peak gate power (10w) ave r age g a te power (3w ) n ell high power products nkt90/nkh90 series rohs apr 2017
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