features * plastic package has underwriters laboratory flammability classification 94v-0 * high temperature metallurgically bonded construction * glass passivated chip * capable of meeting environmental standards of mil-s-19500 * for use in high frequency rectifier circuits * fast switching for high efficiency * high temperature soldering guaranteed: 260 c/10 seconds * 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension mechanical data case : jedec do-15, molded plastic body terminals : plated axial leads, solderable per mil-std-750, method 2026 polarity : color band denotes cathode endwe declare that the material of product compliance mounting position : anywith rohs requirements weight : 0.015 oz., 0.40 g handling precautin :none 1.electrical characteristic maximum& thermal characteristics ratings at 25 c ambient temperature unless otherwise specified. parameter symbol symbolunit maximum repetitive peak reverse voltage v rrm v maximum rsm voltage v rsm v maximum dc blocking voltage v dc v maximum average forward rectified current 0.375" (9.5mm) lead length at ta = 55 c if(av) a peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) i fsm a maximum full load reverse current, full cycle average,0.375"(9.5mm) lead lengths at t a = 75 c ir(av) a typical thermal resistance (note 2) r ja c/w operating junction and storage temperature range tj, tstg c electrical characteristics ratings at 25 c ambient temperature unless otherwise specified. parameter symbol symbolunit maximum instantaneous forward voltage (if = 2.0 amps, tj = 25 c) v f v maximum full load reverse current, full cycle average,0.375"(9.5mm) lead lengths (rated dc voltage, tj = 100 c) (rated dc voltage, tj = 25 c) ir a maximum reverse recovery time (note 1) trrns typical junction capacitance at 4.0v, 1mhz cjpf notes: 1. if = 0.5a, ir = 1.0a, irr = 0.25a 2. thermal resistance from junction to ambient at 0.375" (9.5mm) lead length, p.c.b. mounted 50 15 UG2A thru ug2d glass passivated junction ultra fast rectifiers reverse voltage 50 to 200v forward current 2.0a UG2Aug2bug2cug2d 0.95 200 5.0 15 100 2.0 65 200 140 200 150 35 50 UG2Aug2bug2cug2d 45 70 C 50 to +150 100 100 105 150
2.ratings and characteristic curves ( ta = 25 c unless otherwise noted ) UG2A thru ug2d fig. 1 C forward current derating curve fig. 2 C maximum non-repetitive peak forward surge current fig 4. C typical reverse characteristics fig 3. C typical instantaneous forward characteristics fig 5. C typical transient thermal impedance fig 6. C typical junction capacitance a v e r a g e f o r w a r d r e c t i f i e d c u r r e n t ( a ) a v e r a g e f o r w a r d r e c t i f i e d c u r r e n t ( a ) i n s t a n t a n e o u s f o r w a r d c u r r e n t ( a ) i n s t a n t a n e o u s r e v e r s e c u r r e n t ( a ) j u n c t i o n c a p a c i t a n c e ( p f ) 0 25 50 75 100 125 150 175 0 10 100 0.6 0.8 1.0 1.2 1.4 1.60 20 40 60 80 100 0 10 20 30 40 50 100 10 1 1000 100 10 1.0 0.1 10 1.0 0.1 0.01 100 2.0 1.0 0 200 100 10 60 hz resistive or inductive load 0.375" (9.5mm) lead length tj = tj max 8.3ms single half sine-wave (jedec method) tj = 25 c pulse width = 300 s 1% duty cycle tj = 25 c f = 1.0 mhz vsig = 50mvp-p ambient temperature, c number of cycles at 60hz instantaneous forward voltage (v)percent of rated peak reverse voltage (%) reverse voltage (v) tj=100 tj=25 C C c / w ) 10 1.0 0.1 100 0.01 0.1 1.0 10 100 t,pulse duration,sec tj=75
3. dimension: UG2A thru ug2d
: 1.1. ammo spec. mm lwh t52 262 276 290 2 t42 262 264 290 2 t26250 345 395 3 1.2 ?? inner box spec. ?? wi-250 ???Z 4 0 ? 1 ? ammo and box 1 ? lrc? label rohs? label
: 1.4 ?? label spec. 1.4.1 lrc ? lrc label ?forming spec. 1.4.2 ? environmental protection label 2. cartoon spec. mm lwh t52 430 2280 2225 2 t42 410 2285 2300 2 t26 435 3280 3295 3 3 ????? typing and cartoon spec. r-3do-15 1.8k 2k(t52) 1.8k(t26) 18k 20k 36k 36k 32.4k36k t42 quantity/cartoon 54k- t26 quantity/cartoon 60k- ? quantity/ammo 3k0.8k t52 quantity/cartoon 30k8.0k ?? wi-250 ???Z 4 0 ? 2 ? ? a-405 & do-41 & r-1do-201ad l w h ?cartoon label ******* lrc?? type **** ** **** ???? peak repetive voltage ??? average output current ? quantity ******* ? date
: 4 brede spec 26/tape35/tape40/tape42/tape52/tape52/tape# w 26 0.0/+1.635 -1.0/+0.540 -1.0/+0.542 -1.0/+1.052 -1.0/+2.052 -1.0/+2.0 p 5 0.55 0.55 0.55 0.5 5 0.5 10 0.5 l1-l2 1.0 1.0 1.0 1.0 1.0 1.0 h 6 1.06 1.06 1.06 1.0 6 1.0 6 1.0 z 1.0 1.0 1.0 1.0 1.0 1.0 r 1.0 1.0 1.0 1.0 1.0 1.0 t 3.5 3.5 3.5 3.5 3.5 3.5 ? : 52# ? do-201ad "52 #" just for d0-201ad 1. ??0.05mm?????? the typing thickness is 0.05mm and color is obvious difference 2. 20~40cm. typing lead over 20~40cm 3. ???????? red color is cathode ,white color is anode 4. green epoxy compound ?hf only ? ? typing dimension ?? ???? ???Z ? ?? green
4 ??? 1 2 3 ??Z? 2012.03.28 ?? 65a ? 2011.03.29 ?? ? 2010-6-11 ? UG2A thru ug2d ?
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