features high surge current capability designed for a wide range of applications stud cathode and stud anode version leaded version available/ wire version available low thermal resistance ul approval pending typical applications battery charges converters power supplies machine tool controls welding parameters units 50pf (r)...(w) 40 to 120 i f(av) 50 a @ t c 140 c i f(rms) 78 a i fsm @ 50hz 800 a @ 60hz 830 i 2 t@ 50hz 3200 a 2 s @ 60hz 2900 v rrm range 400 to 1200 v t j range - 55 to 180 c major ratings and characteristics 50pf(r)...(w) series standard recovery diodes gen ii do5 50 a 1 stud version bulletin i20105 rev. c 03/04 case style do-203ab (do-5) 50pf(r)...w 50pf(r)... case style do-203ab (do-5) www.irf.com
50pf (r)...(w) series 2 bulletin i20105 rev. b 03/04 www.irf.com voltage v rrm , maximum v rsm , maximum non- i rrm max. type number code repetitive peak repetitive peak @ t j = 150c reverse voltage reverse voltage vvma 40 400 500 50pf (r)...(w) 80 800 960 9 120 1200 1440 electrical specifications voltage ratings i f(av) max. average forward current 50 a 180 conduction, half sine wave @ case temperature 140 c i f(rms) max. rms forward current 78 a i fsm max. peak, one-cycle forward, 800 t = 10ms no voltage non-repetitive surge current 830 t = 8.3 ms reapplied 670 t = 10ms 100% v rrm 700 t = 8.3 ms reapplied sinusoidal half wave, i 2 t maximum i 2 t for fusing 3200 t = 10ms no voltage initial t j = 150c 2900 t = 8.3ms reapplied 2260 t = 10ms 100% v rrm 2050 t = 8.3ms reapplied i 2 t maximum i 2 t for fusing 32000 a 2 s t = 0.1 to 10ms, no voltage reapplied v f(to) low level value of threshold voltage r f low level value of forward slope resistance v fm max. forward voltage drop 1.40 v i pk = 125a, t j = 25c, t p = 400s rectangular wave parameter units conditions 4.30 m ? (16.7% x x i f(av) < i < x i f(av) ), t j = t j max. 0.77 v (16.7% x x i f(av) < i < x i f(av) ), t j = t j max. a 2 s a forward conduction 50pf(r)...(w) 40 to 120
50pf (r)...(w) series 3 bulletin i20105 rev. b 03/04 www.irf.com parameter units conditions 50pf (r)...(w) 40 to 120 t j max. junction operating temperature range -55 to 180 t stg max. storage temperature range -55 to 180 r thjc max. thermal resistance, junction to case 0.51 dc operation r thcs max. thermal resistance, case mounting surface, smooth, flat and to heatsink greased t max. allowed mounting torque 10% 2.3 3.4 nm tighting on nut (1) 20 30 lbf in 3.2 4.3 nm tighting on hexagon (2) 28 38 lbf in wt approximate weight 15.8 (0.56) g (oz) case style do-203ab (do5) see outline table c 0.25 k/w thermal and mechanical specifications 180 0.11 0.10 t j = t j max. 120 0.16 0.16 90 0.20 0.22 60 0.29 0.31 30 0.49 0.50 conduction angle sinusoidal conduction rectangular conduction units conditions k/w ? r thjc conduction (the following table shows the increment of thermal resistence r thjc when devices operate at different conduction angles than dc) (1) as general recommendation we suggest to tight on hexagon and not on nut (2) torque must be appliable only to hexagon and not to plastic structure 110 120 130 140 150 160 170 180 0 102030405060 30 ? 60 ? 90 ? 120 ? 180 ? conduction angle 50pf(r) serie rthjc = 0.51 k/w 120 130 140 150 160 170 180 0 1020304050607080 dc 30 ? 60 ? 90 ? 120 ? 180 ? conduction period 50pf(r) series rthjc (dc) = 0.51 k/w average forward current (a) fig. 1 - current ratings characteristics average forward current (a) fig. 2 - current ratings characteristics maximum allowable case temperature (c) maximum allowable case temperature (c)
50pf (r)...(w) series 4 bulletin i20105 rev. b 03/04 www.irf.com average forward current (a) fig. 3 - forward power loss characteristics maximum allowable forward power loss (w) average forward current (a) fig. 4 - forward power loss characteristics maximum allowable forward power loss (w) 0 30 60 90 120 150 18 0 1 k/w 1.5 k/w 2 k/w 0.7 k/w 3 k/w 5 k/w 7 k/w 10 k/w 0 20 40 60 80 100 0 102030405060 rms limit conduction angle 180 ? 120 ? 90 ? 60 ? 30 ? 50pf(r) series tj = 180 ? c 0 30 60 90 120 150 18 0 1 k/w 1.5 k/w 2 k/w 0.7 k/w 3 k/w 5 k/w 7 k/w 10 k/w 0 20 40 60 80 100 0 20406080 rms limit conduction period 50pf(r) series tj = 180 ? c 180 ? 120 ? 90 ? 60 ? 30 ? dc maximum allowable ambient temperature (c) maximum allowable ambient temperature (c)
50pf (r)...(w) series 5 bulletin i20105 rev. b 03/04 www.irf.com 1 10 100 1000 01234 tj = 25 ? c 50pf(r) series tj = 180 ? c 0.01 0.1 1 0.0001 0.001 0.01 0.1 1 10 steady state value rthjc = 0.51 k/w (dc operation) 50pf(r) series instantaneous forward voltage (v) fig. 7 - forward voltage drop characteristics instantaneous forward current (a) square wave pulse duration (s) fig. 8 - thermal impedance z thjc characteristics transient thermal impedance z thjc (k/w) 200 300 400 500 600 700 800 11010 0 at any rated load condition and with rated vrrm applied following surge. 50pf(r) series initial tj = 150 ? c @ 60 hz 0.0083 s @ 50 hz 0.0100 s 100 200 300 400 500 600 700 800 900 0.01 0.1 1 maximum non repetitive surge current versus pulse train duration. 50pf(r) series initial tj = 150 ? c no voltage reapplied rated vrrm reapplied number of equal amplitude half cycle current pulses (n) fig. 5 - maximum non -repetitive surge current peak haf sine wave forward current (a) pulse train duration (s) fig. 6 - maximum non -repetitive surge current peak haf sine wave forward current (a)
50pf (r)...(w) series 6 bulletin i20105 rev. b 03/04 www.irf.com outline table fig. a - 50pf (r)... case style do-203ab (do-5) note: for metric device please contact factory fig. b - 50pf (r)...(w) case style do-203ab (do-5) note: for metric device please contact factory fig. c - 52pf (r)... case style do-203ab (do-5) note: for metric device please contact factory
50pf (r)...(w) series 7 bulletin i20105 rev. b 03/04 www.irf.com 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. 03/04 data and specifications subject to change without notice. this product has been designed and qualified for multiple level. qualification standards can be found on ir's web site. ordering information table 1 2 3 device code 50 pf r 120 w 1 - 50 = standard device 52 = isolated lead on standard terminal with silicone sleeve available for 1200v only (red = reverse polarity) (blue = normal polarity) 2 - pf = plastic package 3 - none = stud normal polarity (cathode to stud) r = stud reverse polarity (anode to stud) 4 - voltage code: code x 10 = v rrm (see voltage ratings table) 5 - none = standard terminal (see fig. a) - w = wire terminal (see fig. b) 4 5
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