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i f(av) 250 270 320 a @ t c 100 100 100 c i f(rms) 393 424 502 a i fsm @ 50hz 7015 8920 10110 a @ 60hz 7345 9430 10580 a i 2 t @ 50hz 246 398 511 ka 2 s @ 60hz 225 363 466 ka 2 s i 2 t 2460 3980 5110 ka 2 s v rrm up to 2000 up to 3000 up to 2000 v t j -40 to 150 o c parameters irk.250.. irk.270.. irk.320.. units major ratings and characteristics this new irk series of magn-a-paks uses high voltage power diodes in two basic configurations. the semicon- ductors are electrically isolated from the metal base , allowing common heatsinks and compact assemblies to be built. they can be interconnected to form single phase or three phase bridges and the single diode module can be used in conjunction with the thyristor modules as a freewheel diode. these modules are intended for general purpose applications such as battery chargers, welders and plating equipment and where high voltage and high current are required (motor drives, etc.). description features high voltage electrically isolated base plate 3000 v rms isolating voltage industrial standard package simplified mechanical designs, rapid assembly high surge capability large creepage distances ul e78996 approved standard recovery diodes 250a 270a 320a magn-a-pak ? ? ? ? ? power modules irk. series 1 bulletin i27090 rev. c 05/02 www.irf.com
2 www.irf.com irk.250, .270, .320 series bulletin i27090 rev. c 05/02 i f(av) maximum average forward current 250 270 320 a 180 o conduction, half sine wave @ case temperature 100 100 100 o c i f(rms) maximum rms forward current 393 424 502 a as ac switch i fsm maximum peak, one-cycle forward, 7015 8920 10110 a t = 10ms no voltage non-repetitive surge current 7345 9340 10580 t = 8.3ms reapplied 5900 7500 8500 t = 10ms 100% v rrm 6180 7850 8900 t = 8.3ms reapplied sinusoidal half wave, i 2 t maximum i 2 t for fusing 246 398 511 ka 2 s t = 10ms no voltage initial t j = t j max 225 363 466 t = 8.3ms reapplied 174 281 361 t = 10ms 100% v rrm 159 257 330 t = 8.3ms reapplied i 2 t maximum i 2 t for fusing 2460 3980 5110 ka 2 s t = 0.1 to 10ms, no voltage reapplied v f(to)1 low level val. of threshold voltage 0.79 0.74 0.69 v (16.7% x x i f(av) < i < x i fav) ), t j = t j max. v f(to)2 high level val. of threshold voltage 0.92 0.87 0.86 v (i > x i f(av) ), t j = t j max. r t1 low level forward slope resistance 0.63 0.94 0.59 m ? (16.7% x x i f(av) < i < x i f(av) ) t j = t j max. r t2 high level forward slope resistance 0.49 0.81 0.44 m ? (i > x i f(av) ), t j = t j max. v fm maximum forward voltage drop 1.29 1.48 1.28 v i fm = x i f(av) , t j = t j max., 180 o conduction av. power = v f(to) x i f(av) + r f x (i f(rms) ) 2 parameters irk.250 irk.270 irk.320 units conditions forward conduction voltage ratings electrical specifications type number voltage v rrm , maximum repetitive v rsm , maximum non-repetitive i rrm max code peak reverse voltage peak reverse voltage @ 150c vvm a irk.250- 04 400 500 50 irk.270- 08 800 900 irk.320- 12 1200 1300 16 1600 1700 20 2000 2100 irk.320- 24 2400 2500 50 30 3000 3100 i rrm max. peak reverse leakage 50 ma t j = 150 o c current v ins rms isolation voltage 3000 v 50hz, circuit to base, all terminals shorted, t =1sec blocking parameter irk.250 /.270 /.320 units conditions
3 www.irf.com irk.250, .270, .320 series bulletin i27090 rev. c 05/02 sinusoidal conduction @ t j max. rectangular conduction @ t j max. devices units 180 o 120 o 90 o 60 o 30 o 180 o 120 o 90 o 60 o 30 o irk.250- 0.009 0.010 0.014 0.020 0.032 0.007 0.011 0.015 0.021 0.033 k/w irk.270- 0.008 0.012 0.014 0.020 0.032 0.007 0.011 0.015 0.020 0.033 irk.320- 0.008 0.010 0.013 0.020 0.032 0.007 0.011 0.015 0.020 0.033 ? r conduction (per junction) (the following table shows the increment of thermal resistance r thjc when devices operate at different conduction angles than dc) 1 2 3 1 1 - module type 2 - circuit configuration 3 - current rating: i f(av) x 10 rounded 4 - voltage code: code x 100 = v rrm (see voltage rating table) device code ordering information table 4 t j max. junction operating -40 to 150 c temperature range t stg max. storage temperature range -40 to 150 c r thjc max. thermal resistance, 0.16 0.125 0.125 k/w per junction, dc operation junction to case r thcs max. thermal resistance, 0.035 k/w case to heatsink t mounting torque 10% map to heatsink 4 to 6 nm busbar to map 8 to 10 wt approximate weight 800 (30) g (oz) parameter irk.250 / .270 / .320 units conditions thermal and mechanical specifications 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 mounting surface flat, smooth and greased per module irk d 32 0 2 0 - 24 2 4
4 www.irf.com irk.250, .270, .320 series bulletin i27090 rev. c 05/02 - all dimensions in millimeters (inches) - dimensions are nominal - full engineering drawings are available on request - ul identification number for cathode wire: ul 1385 - ul identification number for package: ul 94v0 outline table irkd... irkc... irkj... irke... fig. 1 - current ratings characteristics fig. 2 - current ratings characteristics 80 90 100 110 120 130 140 150 0 50 100 150 200 250 300 350 400 dc 30 60 90 120 180 maximum allowable case temperature ( c) conduction period average forward current (a) irk.250.. se ries r (dc) = 0.16 k/w thjc 80 90 100 110 120 130 140 150 0 50 100 150 200 250 300 30 60 90 120 180 maximum allowable case temperature ( c) conduction angle average forward current (a) irk.250.. series r (d c ) = 0.16 k/w thjc
5 www.irf.com irk.250, .270, .320 series bulletin i27090 rev. c 05/02 fig. 3 - forward power loss characteristics fig. 4 - forward power loss characteristics fig. 5 - forward power loss characteristics fig. 6 - forward power loss characteristics 0 50 100 150 200 250 300 0 50 100 150 200 250 average forward current (a) rms limit maxim um average forward power loss (w) conduction angle 180 120 90 60 30 irk.250.. se ries t = 150 c j 0 50 100 150 200 250 300 350 400 450 0 50 100 150 200 250 300 350 400 dc 180 120 90 60 30 average forward current (a) rms limit m axim um average forward power loss (w) conduction period irk.250.. series t = 150 c j 0 255075100125150 maximum allowable ambient temperature ( c) r = 0 . 0 2 k / w - d e l t a r t h s a 0 . 0 8 k / w 0 . 2 k / w 0 . 2 5 k / w 0 . 4 k / w 0 . 1 2 k / w 0 . 6 k / w 0 100 200 300 400 500 600 0 50 100 150 200 250 300 350 400 total rms output current (a) m axim um total forward pow er loss (w ) 180 (sine) dc irk.250.. series per junction t = 150 c j 0 25 50 75 100 125 150 maximum allowable ambient temperature ( c) 0 . 0 8 k / w 0 . 1 k / w 0 . 1 6 k / w 0 . 2 5 k / w 0 . 0 3 k / w 0 . 0 5 k / w 0 . 3 5 k / w r = 0 . 0 1 k / w - d e l t a r t h s a 0 200 400 600 800 1000 1200 0 100 200 300 400 500 total output current (a) maximum total power loss (w) 180 (sine ) 180 (re ct) 2 x irk.250.. series single phase bridge connected t = 150 c j
6 www.irf.com irk.250, .270, .320 series bulletin i27090 rev. c 05/02 fig. 7 - forward power loss characteristics fig. 8 - maximum non-repetitive surge current fig. 9 - maximum non-repetitive surge current fig. 10 - forward voltage drop characteristics fig. 11 - thermal impedance z thjc characteristics 0 25 50 75 100 125 150 maximum allowable ambient temperature ( c) 0 . 2 5 k / w r = 0 . 0 0 5 k / w - d e l t a r t h s a 0. 0 2 k / w 0 . 0 4 k / w 0 . 0 6 k / w 0 . 0 8 k / w 0 . 1 2 k / w 0 . 1 6 k / w 0 . 3 5 k / w 0 200 400 600 800 1000 1200 1400 1600 1800 0 100 200 300 400 500 600 700 800 total output current (a) maximum total power loss (w) 120 (r ect) 3 x irk.250.. series three phase bridge connected t = 150 c j 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 110100 peak half sine w ave forward current (a) number of equal amplitude half cycle current pulses (n) initial t = 150 c @ 60 hz 0.0083 s @ 50 hz 0.0100 s j irk.250.. series per junction at any ra ted load condition and w ith rated v app lied following surge. rrm 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500 7000 0.01 0.1 1 peak half sine wave forward current (a) pulse train duration (s) maximum non repetitive surge current initial t = 150 c no voltage reapplied rated v reapplied rrm versus pulse train duration. j irk.250.. series per junction 10 100 1000 10000 0.511.522.533.54 t = 25 c j instantaneous forward current (a) instantaneous forward voltage (v) irk.250.. series per junction t = 150 c j 0.001 0.01 0.1 1 0.001 0.01 0.1 1 10 100 square wave pulse duration (s) thjc irk.250.. series per junction steady state value: r = 0.16 k/w (dc operation) thjc transient therm al im pedanc e z (k/w )
7 www.irf.com irk.250, .270, .320 series bulletin i27090 rev. c 05/02 fig. 12 - current ratings characteristics fig. 13 - current ratings characteristics fig. 14 - forward power loss characteristics fig. 15 - forward power loss characteristics fig. 16 - forward power loss characteristics 80 90 100 110 120 130 140 150 0 50 100 150 200 250 300 30 60 90 120 180 maxim um allowable case temperature ( c) conduction angle average forward current (a) irk.270.. series r (d c) = 0.125 k/w thjc 80 90 100 110 120 130 140 150 0 100 200 300 400 500 dc 30 60 90 120 180 maximum allowable case temperature ( c) conduction period average forward current (a) irk.270.. series r (dc) = 0.125 k/w thjc 0 50 100 150 200 250 300 350 400 0 50 100 150 200 250 300 average forward current (a) rms limit maximum average forward power loss (w) conduction angle 180 120 90 60 30 irk.270.. se ries t = 150 c j 0 50 100 150 200 250 300 350 400 450 500 0 50 100 150 200 250 300 350 400 450 dc 180 120 90 60 30 average forward current (a) rms lim it maximum average forward power loss (w) conduction period irk.270.. series t = 150 c j 0 25 50 75 100 125 150 0 . 2 5 k / w 0 . 3 k / w 0 . 1 k / w 0 . 1 6 k / w 0 . 4 k / w maximum allowable ambient temperature ( c) 0 . 0 6 k / w r = 0 . 0 2 k / w - d e l t a r t h s a 0 . 6 k / w 0 100 200 300 400 500 600 700 0 50 100 150 200 250 300 350 400 dc 180 (sine) m aximum total forward power loss (w) total rms output current (a) irk.270.. series per junction t = 150 c j
8 www.irf.com irk.250, .270, .320 series bulletin i27090 rev. c 05/02 fig. 17 - forward power loss characteristics fig. 18 - forward power loss characteristics fig. 19 - maximum non-repetitive surge current fig. 20 - maximum non-repetitive surge current 0 25 50 75 100 125 150 0 . 3 k / w 0 . 2 5 k / w 0 . 4 k / w 0 . 0 6 k / w 0 . 0 8 k / w 0 . 1 2 k / w 0 . 1 6 k / w maximum allowable ambient temperature ( c) 0 . 0 4 k / w r = 0.0 2 k / w - d e l t a r 0 . 6 k / w t h s a 0 200 400 600 800 1000 1200 1400 1600 1800 0 100 200 300 400 500 600 180 (sine) 180 (re c t) maximum total power loss (w) total output current (a) 2 x irk.270.. series single phase bridge connected t = 150 c j 0 25 50 75 100 125 150 0 . 0 6 k / w 0 . 1 k / w 0 . 1 6 k / w 0 . 2 5 k / w 0 . 4 k / w 0 . 6 k /w maximum allowable ambient temperature ( c) r = 0 . 0 2 k / w - d e l t a r 0 . 0 4 k / w t h s a 0 300 600 900 1200 1500 1800 2100 2400 0 200 400 600 800 120 (rect) maximum total power loss (w) total o utput current (a) 3 x irk.270.. series three phase bridge connected t = 150 c j 2000 3000 4000 5000 6000 7000 8000 110100 peak half sine wave forward current (a) number of equal amplitude half cycle current pulses (n) in itial t = 15 0 c @ 60 hz 0.0083 s @ 50 hz 0.0100 s at any rated load condition and with ra ted v ap plied follow ing surge. rrm j irk.270.. series per junction 2000 3000 4000 5000 6000 7000 8000 9000 0.01 0.1 1 peak half sine w ave forward current (a) pulse train duration (s) maxim um n on repetitive surge current irk.270.. series per junction initial t = 150 c no voltage reapplied rated v rea pplied versus pulse train duration. rrm j
9 www.irf.com irk.250, .270, .320 series bulletin i27090 rev. c 05/02 fig. 21 - forward voltage drop characteristics fig. 22 - thermal impedance z thjc characteristics fig. 23 - current ratings characteristics fig. 24 - current ratings characteristics 10 100 1000 10000 0.511.522.533.54 t = 25 c j instantaneous forward current (a) instantaneous forward voltage (v) t = 150 c j irk.270.. series per junction 0.001 0.01 0.1 1 0.001 0.01 0.1 1 10 100 square wave pulse duration (s) thjc steady state value: r = 0.45 k/w (dc operation) thjc irk.270.. series per junction transient thermal impedance z (k/w) 80 90 100 110 120 130 140 150 0 50 100 150 200 250 300 350 30 60 90 120 180 maximum allowable case temperature ( c) conduction angle average forward current (a) irk.320.. series r (d c ) = 0.125 k/w thjc 80 90 100 110 120 130 140 150 0 100 200 300 400 500 600 dc 30 60 90 120 180 maximum allowable case temperature ( c) conduction period average forward current (a) irk.320.. series r (dc) = 0.125 k/w thjc fig. 25 - forward power loss characteristics fig. 26 - forward power loss characteristics 0 50 100 150 200 250 300 350 400 0 50 100 150 200 250 300 350 average forward current (a) rms limit maximum average forward power loss (w) conduction angle 180 120 90 60 30 irk.320.. series t = 150 c j 0 50 100 150 200 250 300 350 400 450 500 0 100 200 300 400 500 600 dc 180 120 90 60 30 rms limit conduction period average forward current (a) maximum average forward power loss (w) irk.320.. series per junction t = 150 c j
10 www.irf.com irk.250, .270, .320 series bulletin i27090 rev. c 05/02 fig. 27 - forward power loss characteristics fig. 28 - forward power loss characteristics fig. 29 - forward power loss characteristics 0 25 50 75 100 125 150 0 . 1 k / w 0 . 2 k / w 0 . 6 k / w 0 . 0 6 k / w 0 . 3 k / w 0 . 4 k / w maximum allowable ambient temperature ( c) r = 0 . 0 2 k / w - d e l t a r 0 . 1 6 k / w 0 . 0 4 k / w t h s a 0 100 200 300 400 500 600 700 0 100 200 300 400 500 dc 180 (sine) total rms output current (a) irk.320.. series per junction t = 150 c maximum total forward power loss (w) j 0 25 50 75 100 125 150 0 . 6 k / w 0 . 0 4 k / w 0 . 0 6 k / w 0 . 1 2 k / w 0 . 2 5 k / w 0 . 5 k / w maximum allowable ambient temperature ( c) r = 0 . 0 2 k / w - d e l t a r 0 . 1 6 k / w t h s a 0 . 0 8 k / w 0 . 0 3 k / w 0 200 400 600 800 1000 1200 1400 0 100 200 300 400 500 600 180 (sine) 180 (rect) maximum total power loss (w) total output current (a) 2 x irk.320.. series single phase bridge connected t = 150 c j 0 25 50 75 100 125 150 0 . 0 4 k / w 0 . 0 5 k / w 0 . 0 6 k / w 0 . 1 2 k / w 0 . 3 k / w 0 . 6 k / w maximum allowable ambient temperature ( c) 0. 0 3 k / w r = 0 . 0 2 k / w - d e l t a r 0 . 2 k / w 0 . 0 8 k / w t h s a 0 400 800 1200 1600 2000 2400 2800 0 200 400 600 800 1000 120 (rect) total output current (a) maximum total power loss (w) 3 x irk.320.. series three phase bridge connected t = 150 c j
11 www.irf.com irk.250, .270, .320 series bulletin i27090 rev. c 05/02 fig. 30 - maximum non-repetitive surge current fig. 31 - maximum non-repetitive surge current fig. 32 - forward voltage drop characteristics 2000 3000 4000 5000 6000 7000 8000 9000 10000 1 10 100 peak half sine w ave forward current (a) number of equal amplitude half cycle current pulses (n) irk.320.. series per junction in itial t = 150 c @ 60 hz 0.0083 s @ 50 hz 0.0100 s at any rated load condition and with rated v applied following surge. rrm j 2000 3000 4000 5000 6000 7000 8000 9000 10000 0.01 0.1 1 peak half sine wave forward current (a) pulse train duration (s) ma xim um non repetitive surge c urrent initial t = 150 c no vo ltage r eap plied rated v reapplied versus pulse train duration. rrm j irk.320.. series per junction 100 1000 10000 0.511.522.533.54 t = 25 c j instantaneous forw ard current (a) instantaneous forward v oltage (v ) irk.320.. series per junction t = 150 c j 0.001 0.01 0.1 1 0.001 0.01 0.1 1 10 100 square w ave pulse d uration (s) thjc transient therm al im peda nce z (k/w ) irk.320.. series per junction steady state value: r = 0.45 k/w (dc operation) thjc fig. 33 - thermal impedeance z thjc characteristics ir world headquarters: 233 kansas st., el segundo, california 90245, usa tel: (310) 252-7105 tac fax: (310) 252-7309 visit us at www.irf.com for sales contact information. 05/02 data and specifications subject to change without notice. this product has been designed and qualified for industrial level. qualification standards can be found on ir's web site.

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