features high surge current capability stud cathode and stud anode version leaded version available types up to 1600v v rrm typical applications battery charges converters power supplies machine tool controls welding parameters units 85hf(r) 10 to 120 140 , 160 i f(av) 85 85 a @ t c 140 110 c i f(rms) 133 a i fsm @ 50hz 1700 a @ 60hz 1800 a i 2 t@ 50hz 14500 a 2 s @ 60hz 13500 a 2 s v rrm range 100 to 1200 1400 , 1600 v t j range - 65 to 180 - 65 to 150 c major ratings and characteristics case style do-203ab (do-5) 85hf(r) series standard recovery diodes 85 a 1 stud version bulletin i20203 rev. d 01/05 www.irf.com
85hf(r) series 2 bulletin i20203 rev. d 01/05 www.irf.com i f(av) max. average forward current 85 85 a 180 conduction, half sine wave @ case temperature 140 110 c i f(rms) max. rms forward current 133 a i fsm max. peak, one-cycle forward, 1700 t = 10ms no voltage non-repetitive surge current 1800 t = 8.3m s reapplied 1450 t = 10ms 100% v rrm 1500 t = 8.3m s reapplied sinusoidal half wave, i 2 t maximum i 2 t for fusing 14500 t = 10ms no voltage initial t j = t j max. 13500 t = 8.3ms reapplied 10500 t = 10ms 100% v rrm 9400 t = 8.3ms reapplied i 2 t maximum i 2 t for fusing 16000 a 2 s t = 0.1 to 10ms, no voltage reapplied v f(to) value of threshold voltage (up to 1200v) v f(to) value of threshold voltage (for 1400v, 1600v) r f value of forward slope resistance (up to 1200v) r f value of forward slope resistance (up to 1200v) v fm max. forward voltage drop 1.2 1.4 v i pk = 267a, t j = 25c, t p = 400s rectangular wave 85hf(r) 10 to 120 140 , 160 parameter units conditions 1.75 t j = t j max. 1.62 t j = t j max. m ? 0.69 t j = t j max. 0.68 t j = t j max. v a 2 s a forward conduction voltage v rrm , maximum v rsm , maximum non- i rrm max. type number code repetitive peak repetitive peak @ t j = t j max. reverse voltage reverse voltage vvma 10 100 200 9 20 200 300 40 400 500 85hf(r) 60 600 700 80 800 900 100 1000 1100 120 1200 1300 140 1400 1500 4.5 160 1600 1700 electrical specifications voltage ratings
85hf(r) series 3 bulletin i20203 rev. d 01/05 www.irf.com parameter units conditions 85hf(r) 10 to 120 140 to 160 t j max. junction operating temperature range -65 to 180 -65 to 150 t stg max. storage temperature range -65 to 180 -65 to 150 r thjc max. thermal resistance, junction to case 0.35 dc operation r thcs max. thermal resistance, case mounting surface, smooth, flat and to heatsink greased maximum shock 1500g see note (1) maximum constant vibration 20g 50hz see note (1) maximum constant acceleration 5000g stud outwards see note (1) t allow ab le mounting torque 3 . 4 +0-10% n m not lubricated threads 30 lbf in 2.3 +0-10% n m lubricated threads 20 lbf in wt approximate weight 17 (0.6) g (oz) unleaded device case style do-203ab (do5) see outline table c 0.25 k/w thermal and mechanical specifications 180 0.10 0.08 t j = t j max. 120 0.11 0.11 90 0.13 0.13 60 0.17 0.17 30 0.26 0.26 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) ordering information table 1 2 3 4 5 device code 85 hf r 160 m 1 - 85 = standard device 86 = not isolated lead 87 = isolated lead with silicone sleeve (red = reverse polarity) (blue = normal polarity) 88 = type for rotating application 2 - standard diode 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 = stud base do-203ab (do-5) 1/4" 28unf-2a m = stud base do-203ab (do-5) m6 x 1 - (not available for 88hf) (1) available only for 88hf
85hf(r) series 4 bulletin i20203 rev. d 01/05 www.irf.com outlines table 86hf(r) case style do-203ab (do-5) all dimensions in millimeters (inches) 85hf(r) case style do-203ab (do-5) all dimensions in millimeters (inches)
85hf(r) series 5 bulletin i20203 rev. d 01/05 www.irf.com outlines table 88hf(r) case style do-203ab (do-5) all dimensions in millimeters (inches) fig. 1 - current ratings characteristics fig. 2 - current ratings characteristics average forward current (a) average forward current (a) maximum allowable case temperature (c) maximum allowable case temperature (c) 130 140 150 160 170 180 0 102030405060708090100 30 ? 60 ? 90 ? 120 ? 180 ? conduction angle 85hf(r) series (100v to 1200v) rthjc (dc) = 0.35 k/w 130 140 150 160 170 180 0 20 40 60 80 100 120 140 dc 30 ? 60 ? 90 ? 120 ? 180 ? conduction period 85hf(r) series (100v to 1200v) rthjc (dc) = 0.35 k/w
85hf(r) series 6 bulletin i20203 rev. d 01/05 www.irf.com fig. 5 - forward power loss characteristics fig. 3 - current ratings characteristics fig. 4 - current ratings characteristics fig. 6 - forward power loss characteristics average forward current (a) average forward current (a) maximum allowable case temperature (c) maximum allowable case temperature (c) 100 110 120 130 140 150 0 102030405060708090100 30 ? 60 ? 90 ? 120 ? 180 ? conduction angle 85hf(r) series (1400v to 1600v) rthjc (dc) = 0.35 k/w 100 110 120 130 140 150 0 20 40 60 80 100 120 140 dc 30 ? 60 ? 90 ? 120 ? 180 ? conduction period 85hf(r) series (1400v to 1600v) rthjc (dc) = 0.35 k/w average forward current (a) maximum average forward power loss (w) maximum allowable ambient temperature (c) 0 10 20 30 40 50 60 70 80 90 0 102030405060708090 rms limit conduction angle 180 ? 120 ? 90 ? 60 ? 30 ? 85hf(r) series (100v to 1200v) tj = 180 ? c 0 20 40 60 80 100 120 140 160 180 1 k/w 1.5 k/w 2 k/w 3 k/w 5 k/w 10 k/w 0.7 k/w rthsa = 0.5 k/w - delta r average forward current (a) maximum average forward power loss (w) maximum allowable ambient temperature (c) 0 20 40 60 80 100 120 140 160 18 0 10 k/w 5 k/w 3 k/w 2 k/w 1 k/w 0.7 k/w 1.5 k/w rthsa = 0.5 k/w - delta r 0 20 40 60 80 100 120 0 20 40 60 80 100 120 140 dc 180 ? 120 ? 90 ? 60 ? 30 ? rms limit conduction period 85hf(r) series (100v to 1200v) tj = 180 ? c
85hf(r) series 7 bulletin i20203 rev. d 01/05 www.irf.com fig. 9 - maximum non-repetitive surge current fig. 10 - maximum non-repetitive surge current fig. 7 - forward power loss characteristics fig. 8 - forward power loss characteristics average forward current (a) maximum average forward power loss (w) maximum allowable ambient temperature (c) average forward current (a) maximum average forward power loss (w) maximum allowable ambient temperature (c) 0 25 50 75 100 125 15 0 1.5 k/w 2 k/w 3 k/w 5 k/w 10 k/w 1 k/w 0.7 k/w rthsa = 0.5 k/w - delta r 0 10 20 30 40 50 60 70 80 90 100 0 102030405060708090 rms limit conduction angle 180 ? 120 ? 90 ? 60 ? 30 ? 85hf(r) series (1400v, 1600v) tj = 150 ? c 0 25 50 75 100 125 15 0 1.5 k/w 2 k/w 3 k/w 5 k/w 10 k/w 0.7 k/w 1 k/w rthsa = 0.5 k/w - delta r 0 20 40 60 80 100 120 140 0 20 40 60 80 100 120 140 dc 180 ? 120 ? 90 ? 60 ? 30 ? rms limit conduction period 85hf(r) series (1400v, 1600v) tj = 150 ? c number of equal amplitude half cycle current pulses (n) peak half sine wave forward current (a) 400 600 800 1000 1200 1400 1600 11010 0 85hf(r) series initial tj = tj max. @ 60 hz 0.0083 s @ 50 hz 0.0100 s at any rated load condition and with rated vrrm applied following surge. pulse train duration (s) peak half sine wave forward current (a) 200 400 600 800 1000 1200 1400 1600 1800 0.01 0.1 1 maximum non repetitive surge current 85hf(r) series initial tj = tj max. no voltage reapplied rated vrrm reapplied versus pulse train duration.
85hf(r) series 8 bulletin i20203 rev. d 01/05 www.irf.com fig. 11 - forward voltage drop characteristics (up to 1200v) fig. 13 - thermal impedance 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. 01/05 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. instantaneous forward voltage (v) instantaneous forward current (a) 1 10 100 1000 0 0.5 1 1.5 2 2.5 tj = 25 ? c tj = tj max 85hf (r) series square wave pulse duration (s) transient thermal impedance z thjc (k/w) 0.001 0.01 0.1 1 10 0.0001 0.001 0.01 0.1 1 10 85hf(r) series steady state value rthjc = 0.35 k/w (dc operation) fig. 12 - forward voltage drop characteristics (for 1400v, 1600v) instantaneous forward voltage (v) instantaneous forward current (a) 10 100 1000 10000 0123456 tj = 25 ? c tj = tj max. 85hf(r) series up to 1200v
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