maximum ratings and electrical characteristics ratings at 25 o c ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20%. uf3a thru uf3k smc ( do-214ab ) vol t age range - 50 to 800 v olts current - 3.0 amperes technical specifica tion s of surf ace mount ul tra f ast rectifier notes : 1. measured at 1.0 mhz and applied average voltage of 4.0vdc 2. thermal resistance (junction to ambient), 0.2x0.2in ( 5x5mm ) 2 copper pads to each terminal. 3. t est conditions: i f =0.5a, i r =1.0a, i rr =0.25a. dimensions in inches and (millimeters) maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current t a = 75 o c peak forward surge current i fm (surge): 8.3 ms single half sine-wave superimposed on rated load (jedec method) typical junction capacitance (note 1) operating and storage temperature range symbol v rrm v dc i o i fsm c j t j , t stg v rms amps 3.0 100 -65 to + 175 pf 0 c units volts volts typical thermal resistance (note 2) 10 volts amps 60 0 c/w r q jl v f i r 1.0 300 uamps maximum forward voltage at 3.0a dc volts maximum dc reverse current at rated dc blocking voltage @t a = 25 o c @t a = 125 o c 10 maximum reverse recovery time (note 3) trr nsec 50 uf3a uf3b UF3D uf3g uf3j uf3k 50 100 200 400 600 800 35 70 140 280 420 560 50 100 200 400 600 800 1.7 rectifier specialists r dc components co., l td. features * glass passivated junction * ldeal for surface mounted applications * low leakage current mechanical data * case: molded plastic * epoxy: ul 94v- 0 rate flame retardant * mounting position: any * weight: 0.24 gram *terminals: solder plated, solderable per mil-std-750, method 2026 * polarity: as marked 1.4 .128(3.25) .108(2.75) 2 330
r dc components co., l td. rating and characteristic curves ( uf3a thru uf3k ) 331
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