murs140 - MURS160 surface mount ultra fast rectifiers prv : 400 - 600 volts io : 1.0 ampere features : * high current capability * high surge current capability * high reliability * low reverse current * low forward voltage drop * ultra fast recovery time mechanical data : * case : smb molded plastic * epoxy : ul94v-o rate flame retardant * lead : lead formed for surface mount * polarity : color band denotes cathode end * mounting position : any * weight : 0.093 gram maximum ratings and electrical characteristics rating at 25 c ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20%. symbol murs140 MURS160 unit maximum repetitive peak reverse voltage v rrm 400 600 v maximum working peak reverse voltage v rwm 400 600 v maximum dc blocking voltage v dc 400 600 v maximum average forward current t l = 150 c 1.0 see fig. 1 t l = 125 c 2.0 maximum peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) maximum instantaneous at i f = 1.0a , t j = 25 c 1.25 forward voltage (1) at i f = 1.0a , t j = 150 c 1.05 maximum instantaneous reverse t j = 25 c i r 5 m a current at rated dc blocking voltage(1) t j = 150 c i r(h) 150 m a maximum reverse recovery time (2) trr 50 ns operating junction and storage temperature range t j , t stg - 65 to + 175 c notes : (1) pulse test : pulse width = 300 m s, duty cycle 2.0% (2) reverse recovery test conditions : i f = 0.5a, i r = 1a ; irr = 0.25 a page 1 of 2 rev. 02 : march 25, 2005 i fsm 35 a v f v i f(av) a rating 0.22 0.07 2.0 0.1 5.4 0.15 2.3 0.2 4.8 0.15 3.6 0.15 smb (do-214aa) 1.1 0.3 dimensions in millimeter * pb / rohs free
rating and characteristic curves ( murs140 ~ MURS160 ) fig.1 - reverse recovery time characteristic and test circuit diagram + notes : 1. rise time = 7 ns max., input impedance = 1 megaohm, 22 pf. 2. rise time = 10 ns max., source impedance = 50 ohms. 3. all resistors = non-inductive types. fig.2 - derating curve for output fig.3 - maximum non-repetitive peak rectified current forward surge current 0 25 50 75 100 125 150 175 1 2 4 6 10 20 40 60 100 lead temperature, ( c) number of cycles at 60hz fig.4 - typical forward characteristics fig.5 - typical reverse characteristics 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 page 2 of 2 rev. 02 : march 25, 2005 t j = 25 c 1.6 1.2 0.8 0.4 2.0 10 10 1.0 40 0 50 0 30 20 10 1.0 0.1 0.1 peak forward surge current, amperes average forward output current, amperes 80 0.01 100 140 0 20 40 60 120 percent of rated reverse voltage, (%) instantaneous reverse current, microamperes t j = 25 c t j = 100 c forward voltage, volts forward current, amperes 0.01 set time base for 25 ns/cm 1cm trr + 0.5 0 - 0.25 - 1.0 a oscilloscope ( note 1 ) 1 w 50 w 10 w d.u.t. 50 vdc (approx.) pulse generator ( note 2 )
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