40v 3.0a 15MQ040N schottky rectifier web site: www.taychipst.com 1 of 2 features e-mail: sales@taychipst.com maximum ratings and electrical characteristics switching power supplies meter protection reverse protection for power input to pc board circuits battery isolation and charging low threshold voltage diode free-wheeling or by-pass diode low voltage clamp v fm max. forward voltage drop (1) 0.42 v @ 1a * see fig. 1 0.49 v @ 2a 0.34 v @ 1a 0.43 v @ 2a i rm max. reverse leakage current (1) 0.5 ma t j = 25 c * see fig. 2 20 ma t j = 125 c v f(to) threshold voltage 0.26 v t j = t j max. r t forward slope resistance 64.6 m ? c t typical junction capacitance 134 pf v r = 10v dc , t j = 25c, test signal = 1mhz l s typical series inductance 2.0 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 15mq 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 thja max. thermal resistance junction 80 c/w dc operation to ambient wt approximate weight 0.07(0.002) g (oz.) case style sma similar d-64 device marking ir3f thermal-mechanical specifications parameters 15mq units conditions absolute maximum ratings i f(av) max. average forward current 2.1 a 50% duty cycle @ t l = 105 c, rectangular wave form. * see fig. 4 on pc board 9mm 2 island(.013mm thick copper pad area) i fsm max. peak one cycle non-repetitive 330 5s sine or 3s rect. pulse surge current * see fig. 6 140 10ms sine or 6ms rect. pulse e as non-repetitive avalanche energy 6.0 mj t j = 25 c, i as = 1a, l = 12mh i ar repetitive avalanche current 1.0 a parameters 15mq units conditions a following any rated load condition and with rated v rrm applied < thermal runaway condition for a diode on its own heatsink (*) dptot 1 dtj rth( j-a)
ratings and characteristic curves 15MQ040N e-mail: sales@taychipst.com web site: www.taychipst.com 2 of 2 schottky rectifier 40v 3.0a 15MQ040N fig. 2 - typical peak reverse current vs. reverse voltage fig. 3 - typical junction capacitance vs. reverse voltage fig. 1 - maximum forward voltage drop characteristics 0.1 1 10 0.20.30.40.50.60.70.80.9 instantaneous forward current - i (a) t = 150c t = 125c t = 25c j j j f fm forward voltage drop - v (v) 0.001 0.01 0.1 1 10 100 0 5 10 15 20 25 30 35 40 r r 125c 100c 75c 50c 25c reverse current - i (ma) t = 150c j reverse voltage - v (v) 10 100 1000 0 5 10 15 20 25 30 35 40 45 r t junction capacitance - c (pf) t = 2 5 c j reverse voltage - v (v) fig. 4 - maximum average forward current vs. allowable lead temperature fig. 5 - maximum average forward dissipation vs. average forward current fig. 6 - maximum peak surge forward current vs. pulse duration 100 1000 10 100 1000 10000 fsm p at any rated load condition and with rated v applied fo l l o w in g su r g e rrm square wave pulse duration - t (mic rosec ) no n-rep e titive s urge c urrent - i (a) 30 40 50 60 70 80 90 100 110 120 130 140 150 00.511.522.53 dc f( a v ) se e no te ( 2) allowable case temperature - (c) sq ua re wa ve (d = 0.50) 80% rated v applied r average forward current - i (a) d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 00.511.522.53 dc average power loss - (watts) f( a v ) rm s li m i t d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75 average forward current - i (a)
|
