1sr124-100a ~ 1SR124-400A fast recovery rectifier diodes prv : 100 - 400 volts io : 1.0 ampere features : * high current capability * high surge current capability * high reliability * low reverse current * low forward voltage drop * fast switching for high efficiency * pb / rohs free mechanical data : * case : do-41 molded plastic * epoxy : ul94v-o rate flame retardant * lead : axial lead solderable per mil-std-202, method 208 guaranteed * polarity : color band denotes cathode end * mounting position : any * weight : 0.339 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%. 1sr124 1sr124 1sr124 -100 -200 -400 maximum recurrent peak reverse voltage v rrm 100 200 400 v maximum rms voltage v rms 70 140 280 v maximum dc blocking voltage v dc 100 200 400 v maximum average forward current 0.375"(9.5mm) lead length ta = 55 c maximum peak forward surge current, 8.3ms single half sine wave superimposed on rated load (jedec method) maximum peak forward voltage at i f = 1.0 amp. v f 1.3 v maximum dc reverse current ta = 25 c i r 5 m a at rated dc blocking voltage ta = 100 c i r(h) 50 m a maximum reverse recovery time ( note 1 ) trr 250 ns typical junction capacitance ( note 2 ) c j 50 pf junction temperature range t j - 65 to + 150 c storage temperature range t stg - 65 to + 150 c notes : (1) reverse recovery test conditions : i f = 0.5 a, i r = 1.0 a, irr = 0.25 a. (2) measured at 1.0 mhz and applied reverse voltage of 4.0 v dc page 1 of 2 rev. 02 : march 25, 2005 rating symbol unit a a i f(av) i fsm 35 1.0 dimensions in inches and ( millimeters ) do - 41 1.00 (25.4) min. 0.107 (2.7) 0.080 (2.0) 0.205 (5.2) 0.166 (4.2) 1.00 (25.4) min. 0.034 (0.86) 0.028 (0.71)
rating and characteristic curves ( 1sr124-100a ~ 1SR124-400A ) 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 ambient temperature, ( c) number of cycles at 60hz fig.4 - typical forward characteristics fig.5 - typical reverse characteristics 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 page 2 of 2 rev. 02 : march 25, 2005 60hz resistive or inductive load 0.8 0.6 0.4 0.2 1.0 100 10 1.0 28 0 35 0 21 14 7 0.1 10 80 0.01 0.01 1.0 0.1 100 140 0 20 40 60 120 percent of rated reverse voltage, (%) p e a k f o r w a r d s u r g e c u r r e n t , a m p e r e s a v e r a g e f o r w a r d o u t p u t c u r r e n t , a m p e r e s f o r w a r d c u r r e n t , a m p e r e s r e v e r s e c u r r e n t , m i c r o a m p e r e s t j = 25 c t j = 100 c t j = 25 c pulse width = 300 m s 2% duty cycle 8.3 ms single half sine wave ta = 50 c set time base for 50-100 ns/cm trr + 0.5 a 0 - 0.25 a - 1.0 a 1 cm 50 vdc (approx.) oscilloscope ( note 1 ) 1 w 50 w 10 w d.u.t. pulse generator ( note 2 ) forward voltage, volts
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