70hf(r) series standard recovery diodes 70 a 1 stud version bulletin i20202 rev. a 05/98 www.irf.com features high surge current capability designed for a wide range of applications 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 parameters units 70hf(r) 10 to 120 140 to 160 i f(av) 70 70 a @ t c 140 110 c i f(rms) 110 a i fsm @ 50hz 1200 a @ 60hz 1250 a i 2 t@ 50hz 7100 a 2 s @ 60hz 6540 a 2 s v rrm range 100 to 1200 1400 to 1600 v t j range - 65 to 180 - 65 to 150 c major ratings and characteristics case style do-203ab (do-5)
70hf(r) series 2 bulletin i20202 rev. a 05/98 www.irf.com voltage v rrm , maximum v rsm , maximum non- v r(br) , minimum i rrm max. type number code repetitive peak repetitive peak avalanche @ t j = t j max. reverse voltage reverse voltage voltage vvv (1) ma 10 100 200 -- 15 20 200 300 -- 40 400 500 500 60 600 720 725 9 70hf(r) 80 800 960 950 100 1000 1200 1150 120 1200 1440 1350 140 1400 1650 1550 4.5 160 1600 1900 1750 electrical specifications voltage ratings i f(av) max. average forward current 70 70 a 180 conduction, half sine wave @ case temperature 140 110 c i f(rms) max. rms forward current 110 a dc @ t c = 25c p r maximum non-repetitive 20 k w 10s square pulse, t j = t j max. peak reverse power see note (2) i fsm max. peak, one-cycle forward, 1200 t = 10ms no voltage non-repetitive surge current 1250 t = 8.3ms reapplied 1000 t = 10ms 100% v rrm 1050 t = 8.3ms reapplied sinusoidal half wave, i 2 t maximum i 2 t for fusing 7100 t = 10ms no voltage initial t j = t j max. 6450 t = 8.3ms reapplied 5000 t = 10ms 100% v rrm 4550 t = 8.3ms reapplied i 2 ? t maximum i 2 ? t for fusing 71000 a 2 ? s t = 0.1 to 10ms, no voltage reapplied v f(to)1 low level value of threshold voltage v f(to)2 high level value of threshold voltage r f 1 low level value of forward slope resistance r f 2 high level value of forward slope resistance v fm max. forward voltage drop 1.35 v i pk = 220a, t j = 25c, t p = 10ms sinusoidal wave 70hf(r) 10 to 120 140 to 160 parameter units conditions 1.53 (i > p x i f(av) ), t j = t j max. 2.33 (16.7% x p x i f(av) < i < p x i f(av) ), t j = t j max. m w 1.00 (i > p x i f(av) ), t j = t j max. 0.79 (16.7% x p x i f(av) < i < p x i f(av) ), t j = t j max. v a 2 s a forward conduction (2) available only for avalanche version, all other parameters the same as 70hf. (1) avalanche version only available from v rrm 400v to 1600v.
70hf(r) series 3 bulletin i20202 rev. a 05/98 www.irf.com parameter units conditions 70hf(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 0.45 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 not lubricated threads 20 - 30 lbf in wt approximate weight 17 (0.6) g (oz) case style do-203ab (do5) see outline table c 0.25 k/w thermal and mechanical specifications 180 0.08 0.06 t j = t j max. 120 0.10 0.11 90 0.13 0.14 60 0.19 0.20 30 0.30 0.30 conduction angle sinusoidal conduction rectangular conduction units conditions k/w d 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 23 4 5 device code 70 hf r 160 m 1 - 70 = standard device 71 = not isolated lead 72 = isolated lead with silicone sleeve (red = reverse polarity) (blue = normal polarity) 2 - hf = standard diode ha = avalanche 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 avalanche diodes)
70hf(r) series 4 bulletin i20202 rev. a 05/98 www.irf.com outlines table 71hf(r) case style do-203ab (do-5) all dimensions in millimeters (inches) 70hf(r) case style do-203ab (do-5) all dimensions in millimeters (inches)
70hf(r) series 5 bulletin i20202 rev. a 05/98 www.irf.com fig. 5 - forward power loss characteristics fig. 3 - current ratings characteristics fig. 4 - current ratings characteristics fig. 1 - current ratings characteristics fig. 2 - current ratings characteristics 130 140 150 160 170 180 0 1020304050607080 30 60 90 120 180 maximum allowable case temperature ( c) conduction angle average forward current (a) 70hf(r) series (100v to 1200v) r (dc) = 0.45 k/w thjc 100 110 120 130 140 150 0 1020304050607080 30 60 90 120 180 maximum allowable case temperat ure ( c) conduc tion angl e average forward current (a) 70hf(r) series (1400v to 1600v) r (dc) = 0.45 k/w thjc 0 20 40 60 80 100 120 140 160 180 maximum allowable ambient temperature ( c) 1 . 5 k / w 2 k / w 3 k / w 5 k / w r = 0 . 3 k / w - d e l t a r t h s a 0 . 5 k / w 0 . 7 k / w 1 k / w 4 k / w 0 10 20 30 40 50 60 70 80 90 0 1020304050607080 average forward current (a) rms limit maximum average forward power loss (w) conduction angle 180 120 90 60 30 70hf(r) series (100v to 1200v) t = 180c j 120 130 140 150 160 170 180 0 20406080100120 dc 30 60 90 120 180 maximum allowable case temperature ( c) conduct ion period average forward current (a) 70hf(r) series (100v to 1200v) r (dc) = 0.45 k/w thjc 90 100 110 120 130 140 150 0 20406080100120 dc 30 60 90 120 180 maximu m allowable case temperature ( c) conduct ion period average forward current (a) 70hf(r) series (1400v to 1600v) r (dc) = 0.45 k/w thjc
70hf(r) series 6 bulletin i20202 rev. a 05/98 www.irf.com fig. 7 - forward power loss characteristics fig. 8 - forward power loss characteristics fig. 6 - forward power loss characteristics 0 20 40 60 80 100 120 140 160 180 maximum allowable ambient temperature ( c) 5 k / w 3 k / w 2 k / w 1 . 5 k / w 1 k / w 0 . 7 k / w 0 . 5 k / w r = 0 . 3 k / w - d e l t a r t h s a 0 20 40 60 80 100 120 0 20 40 60 80 100 120 dc 180 120 90 60 30 average forward current (a) rms limit maximum average forward power loss (w) conduction period 70hf(r) series (100v to 1200v) t = 180c j 0 25 50 75 100 125 150 maximum allowable ambient temperature ( c) 1 . 5 k / w 2 k / w 3 k / w 5 k / w r = 0 . 3 k / w - d e l t a r t h s a 0 . 5 k / w 4 k / w 0 . 7 k / w 1 k/ w 0 10 20 30 40 50 60 70 80 90 0 1020304050607080 average forward current (a) rms limit maximum average forward power l oss (w) conduc tion angle 180 120 90 60 30 70hf(r) series (1400v to 1600v) t = 150c j 0 25 50 75 100 125 150 maximum allowable ambient temperature ( c) r = 0 . 3 k / w - d e l t a r t h s a 0 . 7 k / w 0 . 5 k / w 1 k / w 1 . 5 k / w 2 k / w 3 k / w 5 k / w 0 20 40 60 80 100 120 0 20406080100120 dc 180 120 90 60 30 average forward current (a) rms limit maximum average forward power loss (w) conduction period 70hf(r) series (1400v to 1600v) t = 150c j
70hf(r) series 7 bulletin i20202 rev. a 05/98 www.irf.com fig. 11 - forward voltage drop characteristics fig. 9 - maximum non-repetitive surge current fig. 10 - maximum non-repetitive surge current 300 400 500 600 700 800 900 1000 1100 110100 peak half sine wave forward current (a) number of equal amplitude half cycle current pulses (n) 70hf(r) series initial t = t max. @ 60 hz 0.0083 s @ 50 hz 0.0100 s at any rated load condition and with rated v applied following surge. rrm j j 200 300 400 500 600 700 800 900 1000 1100 1200 0.01 0.1 1 peak half sine wave forward current (a) pulse train duration (s) maximum non repetitive surge current 70hf(r) series initial t = t max. no voltage reapplied rated v reapplied rrm versus pulse train duration. jj 1 10 100 1000 00.511.522.5 3 t = 25 c j instantaneous forward current (a) instantaneous forward voltage (v) t = t max. j j 70hf(r) series fig. 12 - thermal impedance z thjc characteristics 0.001 0.01 0.1 1 10 0.0001 0.001 0.01 0.1 1 10 square wave pulse duration (s) thjc transient thermal impedance z (k/w) steady state value r = 0.45 k/w (dc operation) thjc 70hf(r) series
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