ultra-fast rectifier 50v-1000v 1.0 a uf1001 thru uf1007 web site: www.taychipst.com 1 of 2 features e-mail: sales@taychipst.com maximum ratings and electrical characteristics mechanical data diffused junction ultra-fast switching for high efficiency high current capability and low forward voltage drop low reverse leakage current surge overload rating to 30a peak low reverse leakage current plastic material: ul flammability classification rating 94v-0 case: molded plastic terminals: plated leads solderable per mil-std-202, method 208 polarity: cathode band marking: type number weight: 0.35 grams (approx.) mounting position: any single phase, half wave, 60hz, resistive or inductive load. for capacitive load, derate current by 20%. characteristic symbol uf 1001 uf 1002 uf 1003 uf 1004 uf 1005 uf 1006 uf 1007 unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 50 100 200 400 600 800 1000 v rms reverse voltage v r(rms) 35 70 140 280 420 560 700 v average rectified output current @ t a = 55 c (note 1) i o 1.0 a non-repetitive peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) i fsm 30 a forward voltage @ i f = 1.0a v fm 1.0 1.3 1.7 v peak reverse current @ t a = 25 c at rated dc blocking voltage @ t a = 100 c i rm 5.0 100 a reverse recovery time (note 3) t rr 50 75 ns typical junction capacitance (note 2) c j 20 10 pf typical thermal resistance junction to ambient r ja 95 k/w operating and storage temperature range t j, t stg -65 to +150 c notes: 1. valid provided that leads are maintained at ambient temperature at a distance of 9.5mm from the case. 2. measured at 1.0mhz and applied reverse voltage of 4.0v dc. 3. measured with i f = 0.5a, i r = 1.0a, i rr = 0.25a. see figure 5.
ratings and characteristic curves uf1001 thru uf1007 e-mail: sales@taychipst.com web site: www.taychipst.com 2 of 2 0.01 0.1 1.0 10 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 i , inst ant aneous for w ard current (a) f v , instantaneous forward voltage (v) fi g .2 t y pical forward characteristics f uf1001 - uf1003 uf1005 - uf1007 t = 25 c pulse width = 300 s j UF1004 10 20 30 0 1 10 100 i , peak for w ard surge current (a) fsm number of cycles at 60hz fi g . 3 peak forward sur g e current pulse width 8.3 ms single half-sine-wave (jedec method) 50v dc approx 50 ni (non-inductive) ? 10 ni ? 1.0 ni ? oscilloscope (note 1) pulse generator (note 2) device under test t rr set time base for 50/100 ns/cm +0.5a 0a -0.25a -1.0a notes: 1. rise time = 7.0ns max. input impedance = 1.0m , 22pf. 2. rise time = 10ns max. input impedance = 50 . ? ? fi g . 5 reverse recover y time characteristic and test circuit (+) (+) (-) (-) 1 10 100 1 10 100 c , cap acit ance (pf) j v , reverse voltage (v) fi g .4 t y pical junction capacitance r uf1001 - UF1004 uf1005 - uf1007 t = 25 c f = 1.0mhz j 0 0.25 0.50 0.75 1 . 00 02550 75 100 125 150 175 i , a verage fwd rectified current (a) (a v) t , ambient temperature ( c) fi g . 1 forward current deratin g curve a single phase half wave resistive or inductive load ultra-fast rectifier 50v-1000v 1.0 a uf1001 thru uf1007
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