schottky rectifier 3.5 amp 30WQ03FN bulletin pd-20559 rev. e 03/03 1 www.irf.com major ratings and characteristics i f(av) rectangular 3.5 a waveform v rrm 30 v i fsm @ tp = 5 s sine 535 a v f @ 3 apk, t j = 125c 0.35 v t j range - 40 to 150 c characteristics 30WQ03FN units description/ features the 30WQ03FN surface mount schottky rectifier has been designed for applications requiring low forward drop and small foot prints on pc board. typical applications are in disk drives, switching power supplies, converters, free-wheeling diodes, battery charging, and reverse battery protection. popular d-pak outline small foot print, surface mountable low forward voltage drop high frequency operation guard ring for enhanced ruggedness and long term reliability d-pak (to-252aa) 6.73 (0.26) 6.35 (0.25) 5.46 (0.21) 5.21 (0.20) 4 1.27 (0.05) 0.88 (0.03) 5.97 (0.23) 1 - anode 2 - cathode 3 - anode 4 - cathode 1.64 (0.02) 1.52 (0.06) 1.15 (0.04) 1.14 (0.04) 0.76 (0.03) 2x 2.28 (0.09) 2x 0.89 (0.03) 0.64 (0.02) 3x 4.57 (0.18) 123 6.22 (0.24) 2.38 (0.09) 2.19 (0.08) 6.45 (0.24) 5.68 (0.22) 10.42 (0.41) 9.40 (0.37) 0.46 (0.02) 0.58 (0.02) 1.14 (0.04) 0.89 (0.03) 0.51 (0.02) min. 0.58 (0.02) 0.46 (0.02) minimum recommended footprint 5.97 (0.24) 10.67 (0.42) 1.65 (0.06) 6.48 (0.26) 2x 2.54 (0.10) 2x 2.28 (0.09) 2x conform to jedec outline d-pak (similar to to-252aa) dimensions in millimeters and (inches) anode 1 3 base cathode a node 4, 2
30WQ03FN bulletin pd-20559 rev. e 03/03 2 www.irf.com part number 30WQ03FN v r max. dc reverse voltage (v) v rwm max. working peak reverse voltage (v) 30 voltage ratings v fm max. forward voltage drop 0.45 v @ 3a * see fig. 1 (1) 0.52 v @ 6a 0.35 v @ 3a 0.46 v @ 6a i rm max. reverse leakage current 2 ma t j = 25 c * see fig. 2 (1) 50 ma t j = 125 c v f(to) threshold voltage 0.22 v t j = t j max. r t forward slope resistance 32.86 m ? c t typical junction capacitance 290 pf v r = 5v dc , (test signal range 100khz to 1mhz) 25 c l s typical series inductance 5.0 nh measured lead to lead 5mm from package body dv/dt max. voltage rate of change 10000 v/s (rated v r ) t j = 25 c t j = 125 c v r = rated v r electrical specifications parameters 30wq... units conditions (1) pulse width < 300s, duty cycle < 2% t j max. junction temperature range (*) -40 to 150 c t stg max. storage temperature range -40 to 150 c r thjc max. thermal resistance junction 4.7 c/w dc operation * see fig. 4 to case wt approximate weight 0.3 (0.01) g (oz.) case style d - pak similar to to-252aa thermal-mechanical specifications i f(av) max. average forward current 3.5 a 50% duty cycle @ t c = 134c, rectangular wave form * see fig. 5 i fsm max. peak one cycle non-repetitive 535 5s sine or 3s rect. pulse surge current * see fig. 7 90 10ms sine or 6ms rect. pulse e as non-repetitive avalanche energy 8 mj t j = 25 c, i as = 2 amps, l = 4 mh i ar repetitive avalanche current 1.0 a current decaying linearly to zero in 1 sec 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 a parameters 30wq... units conditions < thermal runaway condition for a diode on its own heatsink (*) dptot 1 dtj rth( j-a) parameters 30wq... units conditions
30WQ03FN bulletin pd-20559 rev. e 03/03 3 www.irf.com fig. 2 - typical values of reverse current vs. reverse voltage fig. 3 - typical junction capacitance vs. reverse voltage fig. 4 - maximum thermal impedance z thjc characteristics fig. 1 - maximum forward voltage drop characteristics 0.001 0.01 0.1 1 10 100 5 1015202530 r r 125c 100c 75c 50c 25c reverse current - i (ma) t = 150c j reverse voltage - v (v) 0.1 1 10 0.00001 0.0001 0.001 0.01 0.1 1 thjc t , rec ta ng ula r pulse dura tio n (sec ond s) sing le pulse ( th e rm a l re si st a n c e ) 1 thermal imp edanc e z (c/ w) d = 0.75 d = 0.50 d = 0.33 d = 0.25 d = 0.20 1 2 j dm thjc c 2 t 1 t p dm not es: 1. duty fac tor d = t / t 2. peak t = p x z + t 1 10 100 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 instantaneous forward current - i (a) f fm forward voltage drop - v (v) t = 150c t = 125c t = 25c j j j 100 1000 0 5 10 15 20 25 30 35 r t junction capacitance - c (pf) reverse voltage - v (v) t = 25c j
30WQ03FN bulletin pd-20559 rev. e 03/03 4 www.irf.com fig. 5 - maximum allowable case temperature vs. average forward current fig. 6 - forward power loss characteristics fig. 7 - maximum non-repetitive surge current (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 10 100 1000 10 100 1000 10000 fs m non-repetitive surge current - i (a) p square wave pulse duration - t (mic rosec ) at any rated load condition and with rated v applied follow ing surg e rrm 120 125 130 135 140 145 150 00.511.522.533.544.555.5 dc allowable case temperature - (c) f( a v ) se e no te ( 2) sq ua re w a ve (d = 0.50) 80% rated v applied r average forward current - i (a) 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 012345 dc average power loss - (watts) f( a v ) rm s li m i t average forward current - i (a) d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75
30WQ03FN bulletin pd-20559 rev. e 03/03 5 www.irf.com tape & reel information tr feed direction 4.1 (0.16) 3.9 (0.15) 2.1 (0.83) 1.9 (0.07) 12.1 (0.48) 1.65 (0.06) 1.85 (0.07) 1.65 (0.06) 7.4 (0.29) 2.6 (0.10) 1.5 (0.06) 7.6 (0.30) 11.9 (0.47) 1.85 (0.07) to-252aa tape & reel when ordering, indicate the part number, part orientation, and the quantity. quantities are in multiples of 2,000 pieces per reel for tr and multiples of 3,000 pieces per reel for both trl and trr. 13 (0.52) dia. dia. max. 375 (14.17) 50 (1.97) dia. 22.4 (0.88) 0.35 (0.01) 16.3 (0.64) 15.7 (0.62) 2.75 (0.11) 2.55 (0.10) 0.25 (0.01) 6.8 (0.26) 7.0 (0.28) trr feed direction 4.1 (0.16) 3.9 (0.15) 2.1 (0.83) 1.9 (0.07) 8.1 (0.32) 1.85 (0.07) 1.65 (0.06) 1.85 (0.07) 1.65 (0.06) 7.4 (0.29) 2.6 (0.10) 1.5 (0.06) 7.6 (0.30) 7.9 (0.31) 0.35 (0.01) 16.3 (0.64) 15.7 (0.62) 2.75 (0.11) 2.55 (0.10) 0.25 (0.01) 10.4 (0.41) 10.6 (0.42) dia. trl feed direction 4.1 (0.16) 3.9 (0.15) 2.1 (0.83) 1.9 (0.07) 8.1 (0.32) 1.85 (0.07) 1.65 (0.06) 1.85 (0.07) 1.65 (0.06) 7.4 (0.29) 2.6 (0.10) 1.5 (0.06) 7.6 (0.30) 7.9 (0.31) 0.35 (0.01) 16.3 (0.64) 15.7 (0.62) 2.75 (0.11) 2.55 (0.10) 0.25 (0.01) 10.4 (0.41) 10.6 (0.42) dia. dia. dia. dia. dia. marking information example: this is an 30WQ03FN 5k3a 30WQ03FN 712a international rectifier logo part number assembly lot code 4 (k) 1 (a) 3 (a) 2 (k) date code (ywwa) y = year ww = week a = line
30WQ03FN bulletin pd-20559 rev. e 03/03 6 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. 03/03 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.
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