uf3 a- uf 3m surface mount ultra fast rectifier features ? glass passivated die construction ? super - fast recovery time for high efficie ncy ? low forward voltage drop and high current capability ? ideally suited for automated assembly ? plastic material: ul flammability classification rating 94v -0 mechanical data ? case: do - 214a b molded plastic ? terminals: pure tin plated, lead free ? polarity: indicated by cathode band ? weight: 25 0mg (approx.) max im um ratings an d e l ec t ri ca l c harac teris t ics ratings 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%. p ara m ete r s ym bo l uf3a uf3b UF3D uf3g uf3j uf3k uf3m un it maximum repetitive peak reverse voltage v rrm 50 100 200 400 600 800 1000 v maximum rms voltage v rms 35 70 140 280 420 560 700 v maximum dc blocking voltage v dc 50 100 200 400 600 800 1000 v maximum average forward rectified current at t a = 75 c i f (av) 3.0 a peak forward surge current 8.3ms single half sine - wave superimposed on rated load (jedec ) i fsm 100.0 a maximum in stantaneous forward voltage at 3 a v f 1.0 1.4 1.7 v maximum dc reverse curren t at rated dc blocking voltage t a = 25 c t a =1 00 c i r 5.0 50.0 a maximum reverse recovery time (note1) t rr 50 100 ns typical junction capacitance (note 2) c j 75 63 pf maximum thermal resistance (note 3) r jl 47.0 c /w operating and storage temperature range t j , t s - 50 to + 150 c note: 1.reverse recovery condition i f =0.5a,i r =1.0a,irr=0.25a 2.measured at 1mhz and applied reverse voltage of 4.0v d.c. 3.p.c.b. mounted with 0.2x0.2(5.0x5.0mm) copper pad areas ?guangdong hottech industrial co.,ltd e- mail:hkt@heketai.com 1 / 3 cathode do-214ab (smc)
uf3 a- uf 3m surface mount ultra fast rectifier typical characteristics ?guangdong hottech industrial co.,ltd e- mail:hkt@heketai.com 2 / 3 3.02.4 1.8 1.2 0.6 0 0 25 50 75 100 125 150 175 100 8060 40 20 0 0.2 0.6 1.0 1.4 1.8 2.0 0.1 1.0 10 100 0.01 0.1 1 10 100 100 10 1 0.1 reverse voltage,volts t,pulse duration,sec. fig. 5-typical junction capacitance fig. 6-typical transient thermal impedance fig. 3-typical instantaneous forward characteristics number of cycles at 60 hz fig. 2-maximum non-repetitive peak forward surge current fig. 1- forward current derating curve average forward rectified current, amperes instantaneous forward current,amperes junction capacitance, pf peak forward surge current, amperes instantaneous forward voltage, volts single phase half wave 60hz resistive or inductive load 1 10 100 0.01 0.1 1 2010 t j =25 c 1 10 100 200 0 20 40 60 80 100 1,000 100 10 1 0.1 0.01 tj=100 c tj=25 c percent of peak reverse voltage,% fig. 4-typical reverse characteristics instantaneous reverse current, microamperes transient thermal impedance, c/w ambient temperature, c t j =25 c pulse width=300 s 1%duty cycle 8.3ms single half sine-wave (jedec method) uf3a-UF3D uf3g uf3j-uf3m uf3a-uf3g uf3j-uf3m
uf3 a- uf 3m surface mount ultra fast rectifier ?guangdong hottech industrial co.,ltd e- mail:hkt@heketai.com 3 / 3 package outline dimensions reel t c a max.3 r max.3 b w p a p1 p0 e f d w1 d2 d1 d ( dimensions are in millimeter ) embossed carrier tape smc smc smc dimensions are in millimeter type a b c d e f p p0 p1 t w 6.0 8.30 2.5 1.5 1.5 7.65 8 4 4 0.6 max. 16 tolerance 0.1 0.1 0.1 0.1 0.1 0.05 0.1 0.1 0.1 0.1 0.2 dimensions are in millimeter reel option d d1 d2 w1 7 dia 178 50 min. 13 24 tolerance 2 0.1 0.5 2 0.125(3.17)0.115(2.92) 0.245(6.22)0.220(5.59) 0.280(7.11)0.260(6.60) 0.103(2.62)0.079(2.06) 0.060(1.52)0.030(0.76) 0.012(0.305)0.006(0.152) 0.320(8.13) 0.305(7.75) 0.008(0.203)0.004(0.102) smc
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