new product maximum ratings & thermal characteristics ratings at 25? ambient temperature unless otherwise specified. symbols MUR440 mur460 units maximum repetitive peak reverse voltage v rrm 400 600 volts working peak reverse voltage v rwm 400 600 volts maximum dc blocking voltage v dc 400 600 volts maximum average forward rectified current at t a = 40? i f(av) 4.0 amps see figure 1 peak forward surge current 8.3 ms single half sine-wave superimposed i fsm 125 amps on rated load (jedec method) typical thermal resistance junction to ambient (note 2) r q ja 28 ?/w operating junction and storage temperature range t j , t stg -65 to +175? ? electrical characteristics ratings at 25? ambient temperature unless otherwise specified. symbols MUR440 mur460 units maximum instantaneous at 3.0a, t j =150? 1.05 forward voltage (note 1) at 3.0a, t j =25? v f 1.25 volts at 4.0a, t j =25? 1.28 maximum instantaneous reverse current t j =25? i r 10 m a at rated dc blocking voltage (note 1) t j =150? 250 maximum reverse recovery time at i f =0.5a, i r =1.0a, i rr =0.25a t rr 50 ns maximum reverse recovery time at, t rr 75 ns i f =1.0a, di/dt=50a/ m s, v r =30v, i rr =10% i rm notes: (1) pulse test: t p =300 m s, duty cycle 2% (2) lead length = 1/2?on p.c. board with 1/2?x1/2?copper surface 7/7/99 MUR440 and mur460 ultrafast plastic rectifier reverse voltage 400 to 600v forward current 4.0a features ?plastic package has underwriters laboratories flammability classification 94v-0 ?ideally suited for use in very high frequency switching power supplies, inverters and as free wheeling diodes ?ultrafast recovery time for high efficiency ?excellent high temperature switching ?glass passivated junction ?high temperature soldering guaranteed: 250?/10 seconds, 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension mechanical data case: jedec do-201ad molded plastic body over passivated chip terminals: plated axial leads, solderable per mil-std-750, method 2026 polarity: color band denotes cathode end mounting position: any weight: 0.045 ounce, 1.2 grams
0.001 0.01 0.1 1 10 100 1000 0% 20% 40% 60% 80% 100% 0 25 50 75 100 125 1 10 100 0.01 0.1 1 10 100 0 0.4 0.8 1.2 1.6 2 10.0 100.0 1000.0 0.1 1 10 100 figure 1 ?forward current derating curve ambient temperature, c figure 2 ?maximum non-repetive peak forward surge current number of cycles at 60 hz figure 3 ?mur460 typical instantaneous forward characteristics reverse voltage, volts figure 4 ?mur460 typical reverse characteristics instantaneous forward voltatge, volts instantaneous forward current, amperes tj = 175 c tj = 100 c tj = 25 c junction capacitance, pf peak forward surge current, amperes instantaneoous reverse current, millamperes percent of rated peak reverse voltage, % average forward rectified current amperes figure 5 ?typical junction capacitance per leg tj = 25 c f = 1.0mhz vsig = 50mvp-p 0 2.0 4.0 6.0 0 50 100 150 200 tj = 100 c tj = 25 c tj = 175 c pcb with 1.5" x 1.5" copper pads l = 1/2" MUR440 and mur460 ratings & characteristic curves
|
