i f(av) rectangular 300 a waveform v rrm range 40 - 45 v i fsm @ tp = 5 s sine 16,000 a v f @ 150apk, t j =125c 0.59 v (per leg) t j range - 55 to 175 c characteristics values units major ratings and characteristics the 301cnq.. center tap schottky rectifier module series has been optimized for low reverse leakage at high temperature. the proprietary barrier technology allows for reliable opera- tion up to 175 c junction temperature. typical applications are in high current switching power supplies, plating power supplies, ups systems, converters, free-wheeling diodes, welding, and reverse battery protection. 175 c t j operation center tap module low forward voltage drop high frequency operation guard ring for enhanced ruggedness and long term reliability lead-free description/ features schottky rectifier 300 amp 301cnq...pbf series bulletin pd-21104 12/05 1 www.irf.com case styles to-244 base common cathode lug terminal anode 1 lug termina l anode 2
301cnq...pbf series 2 bulletin pd-21104 12/05 www.irf.com i f(av) max. average forward per device 300 a 50% duty cycle @ t c = 81 c, rectangular wave form current * see fig. 5 per leg 150 i fsm max. peak one cycle non-repetitive 16,000 5s sine or 3s rect. pulse surge current (per leg) * see fig. 7 3200 10ms sine or 6ms rect. pulse e as non-repetitive avalanche energy 202 mj t j = 25 c, i as = 21 amps, l = 1 mh (per leg) i ar repetitive avalanche current 30 a current decaying linearly to zero in 1 sec (per leg) frequency limited by t j max. v a = 1.5 x v r typical absolute maximum ratings following any rated load condition and with rated v rrm applied parameters 301cnq units conditions a t j = 25 c v r = rated v r electrical specifications v fm max. forward voltage drop 0.69 v @ 150a (per leg) * see fig. 1 (1) 0.90 v @ 300a 0.59 v @ 150a 0.76 v @ 300a i rm max. reverse leakage current 10 ma t j = 25 c (per leg) * see fig. 2 (1) 90 ma t j = 125 c c t max. junction capacitance (per leg) 5200 pf v r = 5v dc (test signal range 100khz to 1mhz) 25c l s typical series inductance (per leg) 7.0 nh from top of terminal hole to mounting plane dv/dt max. voltage rate of change 10,000 v/ s (rated v r ) parameters 301cnq units conditions t j = 100 c (1) pulse width < 300s, duty cycle <2% parameters min typ max units t j max. junction temperature range - 55 - 175 c t stg max. storage temperature range - 55 - 175 r thjc thermal resistance, junction to case per leg - - 0.28 c/w thermal resistance, junction to case per module - - 0.14 k/w r thcs thermal resistance, case to heatsink - 0.10 - wt weight - 68 (2.4) - g (oz) mounting torque 35.4 (4) - 53.1 (6) lbf*in mounting torque center hole 30 (3.4) - 40 (4.6) (nm) terminal torque 30 (3.4) - 44.2 (5) vertical pull - - 80 lbf.in 2 inch lever pull - - 35 thermal - mechanical characteristics part number 301cnq040pbf 301CNQ045PBF v r max. dc reverse voltage (v) v rwm max. working peak reverse voltage (v) voltage ratings 40 45
301cnq...pbf series 3 bulletin pd-21104 12/05 www.irf.com fig. 2 - typical values of reverse current vs. reverse voltage (per leg) fig. 3 - typical junction capacitance vs. reverse voltage (per leg) fig. 4 - max. thermal impedance z thjc characteristics (per leg) fig. 1 - max. forward voltage drop characteristics (per leg) forward voltage drop - v fm (v) instantaneous forward current - i f (a) reverse current - i r (ma) reverse voltage - v r (v) reverse voltage - v r (v) junction capacitance - c t (pf) t 1 , rectangular pulse duration (seconds) thermal impedance z thjc (c/w) 1e-05 1e-04 1e-03 1e-02 1e-01 1e+00 1e+0 1 0.001 0.01 0.1 1 single pulse (thermal resistance) d = 0.20 d = 0.75 d = 0.50 d = 0.33 d = 0.25 1 10 100 1000 0.2.4.6.811.21.41.61.8 t = 175c t = 125c t = 25c j j j .001 .01 .1 1 10 100 1000 0 5 10 15 20 25 30 35 40 4 5 t = 175c 150c 125c 100c 75c 50c 25c j 5 1015202530354045 1000 10000 tj = 25c
301cnq...pbf series 4 bulletin pd-21104 12/05 www.irf.com fig. 7 - max. non-repetitive surge current (per leg) fig. 5 - max. allowable case temperature vs. average forward current (per leg) fig. 6 - forward power loss characteristics (per leg) average forward current - i f (av) (a) allowable case temperature (c) average forward current - i f (av) (a) average power loss (watts) square wave pulse duration - t p (microsec) non-repetitive surge current - i fsm (a) 0 50 100 150 200 250 100 110 120 130 140 150 160 170 180 dc square wave (d=0.50) 80% rated vr applied see note (2) fig. 8 - unclamped inductive test circuit free- w heel diode 40hfl40s 02 c urren t monitor hig h- speed sw i tc h irfp460 l dut rg = 25 o hm vd = 25 volt + (2) formula used: t c = t j - (pd + pd rev ) x r thjc ; pd = forward power loss = i f(av) x v fm @ (i f(av) / d) (see fig. 6); pd rev = inverse power loss = v r1 x i r (1 - d); i r @ v r1 = 80% rated v r 0 20 40 60 80 100 120 140 0 25 50 75 100 125 150 175 200 225 dc d = 0.08 d = 0.17 d = 0.25 d = 0.33 d = 0.50 rm s li m it 1000 10000 100000 10 100 1000 10000 at any rated load condition and with rated v applied following surge rrm
301cnq...pbf series 5 bulletin pd-21104 12/05 www.irf.com conforms to jedec outline to-244 dimensions in millimeters and (inches) outline table ordering information table device code 1 5 24 3 1 - average current rating (x 10) 2 - product silicon identification 3 - c = circuit configuration 4 - n = not isolated 5 - q = schottky rectifier diode 6 - voltage ratings 7 - lead-free 30 1 c n q 045 pbf 6 7 040 = 40v 045 = 45v
301cnq...pbf series 6 bulletin pd-21104 12/05 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. 12/05 data and specifications subject to change without notice. this product has been designed and qualified for industrial level and lead-free. qualification standards can be found on ir's web site.
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