powerex, inc., 173 pavilion lane, youngwood, penn sylvania 15697 (724) 925-7272 pow-r-blok tm www.pwrx.com dual diode isolated module 260 amperes / up to 2400 volts revision date: 05/17/2010 nd41__26 nd41 outline dimensions dimension inches millimeters a 4.57 116 b 3.66 93 c 3.15 80.0 e 2.06 52.3 f 2.05 52.0 g 1.97 50.0 h 1.90 48.3 j 1.50 38.1 k 1.38 35.0 l 1.26 32.0 m 1.122 28.5 n .71 18.0 p .57 14.5 q .625 15.9 r .394 10.00 s .350 8.9 t m8 metric m8 u .250 dia. 6.35 dia. w .12 3.0 note: dimensions are for reference only. nd41__26 dual diode isolated pow-r-blok tm module 260 amperes / 600-2400 volts ordering information : select the complete eight digit module part number from the table below. example: nd412026 is a 2000volt, 260 ampere dual diode isolated pow-r-blok tm module type voltage volts (x100) current amperes (x10) nd41 06 08 10 12 14 16 18 20 22 24 26 description: powerex dual diode modules are designed for use in applications requiring rectific ation and isolated packaging. the modules are isolated for easy mounting with other components on a common heatsink. pow-r-blok tm has been tested and recognized by the underwriters laboratories. features: ? electrically isolated heatsinking ? aluminum nitride isolator ? compression bonded elements ? metal baseplate ? low thermal impedance for improved current capability ? ul recognized benefits: ? no additional insulation components required ? easy installation ? no clamping components required ? reduce engineering time applications: ? bridge circuits ? ac & dc motor drives ? battery supplies ? power supplies ? large igbt circuit front ends connection diagram a k ak diode 1 diode 2 m k g a b n r t - m8 thd. (3 typ.) u - dia. (4 typ.) outline drawing a k ak j c s p q f h w l e w
powerex, inc., 173 pavilion lane, youngwood, penn sylvania 15697 (724) 925-7272 pow-r-blok tm www.pwrx.com dual diode isolated module 260 amperes / up to 2400 volts revision date: 05/17/2010 nd41__26 absolute maximum ratings characteristics conditions symbol units repetitive peak reverse blocking voltage v rrm up to 2400 v non-repetitive peak reverse blocking voltage (t < 5 msec) v rsm v rrm + 200 v rms forward current 180 conduction, t c =112c i f(rms) 408 a a verage forward current 180 conduction, t c =112c i f(av) 260 a peak one cycle surge current, non-repetitive 60 hz, 100% v rrm reapplied i fsm 8000 a peak three cycle surge current, non-repetitive 60 hz, 100% v rrm reapplied i fsm 5750 a peak ten cycle surge current, non-repetitive 60 hz, 100% v rrm reapplied i fsm 4975 a i 2 t for fusing for one cycle, 8.3 milliseconds i 2 t 266,000 a 2 sec operating temperature t j -40 to +150 c storage temperature t stg -40 to +150 c max. mounting torque, m6 mounting screw 45 5 in.-lb. nm max. mounting torque, m8 terminal screw 110 12 in.-lb. nm module weight, typical 840 g 1.85 lb. v isolation @ 25c v rms 2500 v
powerex, inc., 173 pavilion lane, youngwood, penn sylvania 15697 (724) 925-7272 pow-r-blok tm www.pwrx.com dual diode isolated module 260 amperes / up to 2400 volts revision date: 05/17/2010 nd41__26 electrical characteristics, t j =25c unless otherwise specified characteristics symbol test conditions min. max. units repetitive peak reverse leakage current i rrm up to 2400v, t j =150c 50 ma peak on-state voltage v fm i fm =1500a 1.35 v threshold voltage, low-level slope resistance, low-level v (to)1 r t1 t j = 150c, i = 15%i f(av) to i f(av) 0.764 0.360 v m ? threshold voltage, high-level slope resistance, high-level v (to)2 r t2 t j = 150c, i = i f(av) to i fsm .710 0.420 v m ? v tm coefficients, full range t j = 150c, i = 15%i f(av) to i fsm v fm = a+ b ln i +c i + d sqrt i a = b = c = d = 0.7140 0.0232 4.72 e-4 -6.71 e-3 diode reverse recovery time (typical) t rr i fm = 1500a, t p = 190 s di/dt = -25a/s 10 s thermal characteristics characteristics symbol max. units thermal resistance, junction to case r j-c per module, both conducting per junction both conducting 0.07 0.14 c/w c/w thermal impedance coefficients z j-c z j-c = k 1 (1-exp(-t/ 1 )) + k 2 (1-exp(-t/ 2 )) + k 3 (1-exp(-t/ 3 )) + k 4 (1-exp(-t/ 4 )) k 1 = 5.27e-3 k 2 = 1.17e-2 k 3 = 5.26e-2 k 4 = 6.97e-2 1 = 1.69e-4 2 = 2.07e-2 3 = 2.37e-1 4 = 2.46 thermal resistance, case to sink lubricated r c-s per module 0.03 c/w
powerex, inc., 173 pavilion lane, youngwood, penn sylvania 15697 (724) 925-7272 pow-r-blok tm www.pwrx.com dual diode isolated module 260 amperes / up to 2400 volts revision date: 05/17/2010 nd41__26 maximum transient thermal impedance .00 .02 .04 .06 .08 .10 .12 .14 .16 0.001 0.01 0.1 1 10 100 time - t - seconds thermal impedance - rjc - c/w (junction to case) ma x im um on-sta te forw a rd volta ge drop 0 1 2 3 4 5 10 100 1000 10000 instantaneous on-state current - ifm - amperes on-state voltage - vfm - volts ( tj = 150 c ) 0 180 360 conduction angle maximum on-state power dissipation 15 30 60 90 120 180 0 50 100 150 200 250 300 0 50 100 150 200 250 300 average on-state current - if(av) - amperes max. power dissipation per diode - watts_ (sinusoidal waveform) 0 180 360 conduction angle maximum allowable case temperature 120 90 60 30 15 180 110 115 120 125 130 135 140 145 150 0 50 100 150 200 250 300 average on-state current - if(av) - amperes max. case temperature - tcase -c_ (sinusoidal waveform) 0 180 360 conduction angle maximum on-state power dissipation 90 60 30 120 180 270 15 360 0 50 100 150 200 250 300 350 400 0 50 100 150 200 250 300 350 400 450 average on-state current - if(av) - amperes max. power dissipation per diode - watts_ (rectangular waveform) 0 180 360 conduction angle maximum allowable case temperature 270 180 120 90 60 30 15 360c 90 100 110 120 130 140 150 0 50 100 150 200 250 300 350 400 450 average on-state current - if(av) - amperes max. case temperature - tcase -c _ (rectangular waveform)
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