1 300hf(r) series 300a standard recovery diodes stud version bulletin i2021 rev. a 07/94 www.irf.com features high current carrying capability high surge current capability types up to 1200v v rrm stud cathode and stud anode version standard jedec types diffused junction typical applications battery chargers converters power supplies machine tool controls i f(av) 300 a @ t c 125 c i f(rms) 470 a i fsm @ 50hz 5000 a @ 60hz 5200 a i 2 t@ 50hz 125 ka 2 s @ 60hz 113 ka 2 s v rrm range 400 to 1200 v t j -40 to 180 c parameters 300hf(r) units major ratings and characteristics case style do-205ab (do-9)
300hf(r) series 2 www.irf.com bulletin i2021 rev. a 07/94 voltage v rrm , maximum repetitive v rsm , maximum non- i rrm max. type number code peak voltage repetitive peak voltage @ 180c vvma 40 400 500 300hf(r) 80 800 900 20 120 1200 1300 electrical specifications voltage ratings i f(av) max. average forward current 300 a 180 conduction, half sine wave @ case temperature 125 c i f(rms) max. rms forward current 470 a dc @ 118c case temperature i fsm max. peak, one-cycle forward, 5000 t = 10ms no voltage non-repetitive surge current 5200 t = 8.3ms reapplied 3800 t = 10ms 100% v rrm 4000 t = 8.3ms reapplied sinusoidal half wave, i 2 t maximum i 2 t for fusing 125 t = 10ms no voltage initial t j = t j max 113 t = 8.3ms reapplied 72 t = 10ms 100% v rrm 66 t = 8.3ms reapplied i 2 ? t maximum i 2 ? t for fusing 1250 ka 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 f1 low level value of forward slope resistance r f2 high level value of forward slope resistance v fm max. forward voltage drop 1.38 v i fm = p x i f(av) , t j = 25 c, t p = 10ms sinusoidal wave parameter 300hf(r) units conditions forward conduction 0.86 (16.7% x p x i f(av) < i < p x i f(av) ), t j = t j max. 0.89 (i > p x i f(av) ), t j = t j max. 0.48 (16.7% x p x i f(av) < i < p x i f(av) ), t j = t j max. 0.46 (i > p x i f(av) ), t j = t j max. ka 2 s a v m w
300hf(r) series 3 www.irf.com bulletin i2021 rev. a 07/94 parameter 300hf(r) units conditions c t j max. operating temperature range -40 to 180 t stg max. storage temperature range -55 to 180 r thjc max. thermal resistance, junction to case 0.12 dc operation r thcs max. thermal resistance, case to heatsink 0.05 mounting surface, smooth, flat and greased t max. allowed mounting torque +0 -20% 28 not lubricated threads 22 lubricated threads wt approximate weight 250 g case style do-205ab(do-9) see outline table k/w nm thermal and mechanical specification d r thjc conduction (the following table shows the increment of thermal resistence r thjc when devices operate at different conduction angles than dc) 180 0.030 0.022 t j = t j max. 120 0.035 0.037 90 0.045 0.048 k/w 60 0.064 0.066 30 0.104 0.105 conduction angle sinusoidal conduction rectangular conduction units conditions ordering information table 300 hf r 120 p b 1 4 5 2 3 6 device code 1 - essential part number 2 - 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 - p = stud base do-205ab(do-9) 3/4" 16unf-2a m = stud base do-205ab(do-9) m16 x 1.5 6 - b = flag top terminals (for cathode/ anode leads) s = isolated lead with silicone sleeve (red = reverse polarity; blue = normal polarity) none = not isolated lead
300hf(r) series 4 www.irf.com bulletin i2021 rev. a 07/94 outline table conform to jedec do-205ab (do-9) all dimensions in millimeters (inches) do-205ab (do-9) flag all dimensions in millimeters (inches) m ax. glass-metal seal max. max. 21 (0.82) max. 19 (0.75) 9.5 (0.37) min. dia. 8.5 (0.33) nom. 75 (2.95) min. dia. 28.5 (1.08) max. 28. 5 (1.12) 10 ( 0.39) sw 32 * for metric device: m16 x 1.5 200 (7.87) 10 (0.39) 3/4-16unf-2a* c.s. 25mm 4 (0.16) max. 39 (1.53) max. 2 (0.039 s.i.) m ax. glass-metal seal m ax. 21 (0.83) ma x. dia. 28.5 (1.12) max. 28.5 (1.12 ) 10 (0.39) 21 (0.83) 14 (0.55) dia. 6.5 (0.26) 3 (0 .12) 32 (1.26) 3/4"-16unf-2a* *for metric device: m16 x 1.5 70 (2.75) max. 13 (0.51 ) 62 ( 2.4 4)
300hf(r) series 5 www.irf.com bulletin i2021 rev. a 07/94 fig. 1 - current ratings characteristics fig. 2 - current ratings characteristics 0 20 40 60 80 100 120 140 160 180 maximum allowable ambient temperature ( c) r = 0 . 0 5 k / w - d e l t a r t h s a 0 . 1 k / w 0 . 2 k / w 0 . 3 k / w 0 . 4 k / w 0 . 6 k / w 0 . 8 k / w 1 . 2 k / w 0 100 200 300 400 500 600 0 100 200 300 400 500 dc 180 120 90 60 30 rms limit conduction period maximum average forward power loss (w) average forward current (a) 300hf(r) series t = 180c j 120 130 140 150 160 170 180 0 50 100 150 200 250 300 350 30 60 90 120 180 average forward current (a) conduction angle maximum allowable case temperature ( c) 300hf(r) series r (dc) = 0.12 k/w thjc fig. 4 - forward power loss characteristics fig. 3 - forward power loss characteristics 110 120 130 140 150 160 170 180 0 100 200 300 400 500 dc 30 60 90 120 180 conduction period maximum allowable case temperatur e ( c) average forward current (a) 300hf(r) ser ies r (dc) = 0.12 k/w thjc 0 20 40 60 80 100 120 140 160 180 m aximum allowable ambient temperature ( c) 0 . 3 k / w 0 . 4 k / w 0 . 5 k / w 0. 6 k/ w 0 . 8 k / w r = 0 . 0 5 k / w - d e l t a r 0 . 2 k / w 0 . 1 k / w 1 . 2 k / w t h s a 0 50 100 150 200 250 300 350 400 0 50 100 150 200 250 300 350 180 120 90 60 30 rms limit conduction angle maximum average forward power loss (w) aver age for ward current (a) 300hf(r) series t = 180c j
300hf(r) series 6 www.irf.com bulletin i2021 rev. a 07/94 fig. 8 - thermal impedance z thjc characteristic 0.001 0.01 0.1 1 0.001 0.01 0.1 1 10 square wave pulse duration (s) thjc transient thermal impedance z (k/w) 300hf(r) series steady state value: r = 0.12 k/w (dc operation) thjc 10 100 1000 10000 0.511.522.533.5 t = 25 c j instantaneous forward voltage (v) instantaneous forward current (a) 300hf(r) series t = 180c j 1000 1500 2000 2500 3000 3500 4000 4500 1 10 100 number of equal amplitude half cycle current pulses (n) peak half sine wave forward current (a) 300hf(r) series in itial t = 180 c @ 60 hz 0.0083 s @ 50 hz 0.0100 s j at any rated load condition and with rated v applied following surge. rrm 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 0.01 0.1 1 pulse train duration (s) peak half sine wave forward current (a) in itial t = 180 c no voltage reapplied rated v reapplied rrm versus pulse train duration. maximum non repetitive surge current j 300hf(r) series fig. 6 - maximum non-repetitive surge current fig. 5 - maximum non-repetitive surge current fig. 7 - forward voltage drop characteristics
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