1n5817 - 1n5819 schottky barrier rectifier diodes prv : 20 - 40 volts i o : 1.0 ampere features : * high current capability * high surge current capability * high reliability * high efficiency * low power loss * low cost * low forward voltage drop 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%. symbol 1n5817 1n5818 1n5819 unit maximum recurrent peak reverse voltage v rrm 20 30 40 volts maximum rms voltage v rms 14 21 28 volts maximum dc blocking voltage v dc 20 30 40 volts maximum average forward current 0.375", 9.5mm lead length at t l = 90 c i f(av ) 1.0 amp. peak forward surge current, 8.3ms single half sine wave superimposed on rated load (jedec method) t l = 70 c i fsm 25 amps. maximum forward voltage at i f = 1.0 amp. v f 0.45 0.55 0.6 volt. maximum reverse current ta = 25 c i r 1.0 ma at rated dc blocking voltage (note 1) ta = 100 c i r(h) 10 ma typical thermal resistance (note 2) r q jl 15 c/w typical junction capacitance (note 3) c j 110 pf junction temperature range t j - 65 to + 125 c storage temperature range t stg - 65 to + 125 c notes : (1) pulse test : pulse width = 300 m s, duty cycle = 2%. (2) thermal resistance from junction to lead, pc board mounting with 0.375" (9.5mm) lead lengths and 1.5 in 2 (38.1mm 2 ) copper pads. (3) measured at 1 mhz and applied reverse voltage of 4.0 volts. update : september 12, 1998 rating do - 41 0.205 (5.20) 0.160 (4.10) 0.107 (2.74) 0.080 (2.03) 0.034 (0.86) 0.028 (0.71) 1.00 (25.4) min. 1.00 (25.4) min. dimensions in inches and ( millimeters )
rating and characteristic curves ( 1n5817 - 1n5819 ) fig.1 - forward current derating curve fig.2 - maximum non-repetitive peak forward surge current 0 20 40 60 80 100 120 140 1 2 4 6 10 20 40 60 100 lead temperature, ( c) number of cycles at 60hz fig.3 - typical forward characteristics fig.4 - typical reverse characteristics 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 1n5819 0.8 0.6 0.4 0.2 1.0 20 0 25 0 15 10 5 1.0 0.1 10 peak forward surge current, amperes average forward current, amperes forward current, amperes 10 1.0 80 0.01 0.1 100 140 0 20 40 60 120 percent of rated reverse voltage, (%) t j = 100 c t j = 25 c reverse current, milliamperes forward voltage, volts 20 1n5817 1n5818 t j = 25 c pulse width = 300 m s duty cycle = 1%
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