features * plastic package has underwriters laboratory flammability classification 94v-0 * high temperature metallurgically bonded construction * diffused junction * 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-201ad, molded plastic terminals : plated axial leads, solderable per we declare that the material of product mil-std-750, method 2026compliance with rohs requirements polarity : color band denotes cathode end mounting position : any weight : 0.038 oz., 1.03 g handling precautin :none 1.electrical characteristic maximum & thermal characteristics ratings at 25 c ambient temperature unless otherwise specified. parameter symbol symbol sf41sf42sf43sf44sf45sf46SF48 unit device marking code sf41sf42sf43sf44sf45sf46SF48 maximum repetitive peak reverse voltage v rrm 50100150 200 300 400600v maximum rsm voltage v rsm 3570105140210280420 v maximum dc blocking voltage v dc 50100150200300400600 v maximum average forward rectified current 0.375" (9.5mm) lead length at t a = 55 c i f(av) a peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) i fsm a maximum dc blocking voltage temperature t a c typical thermal resistance (note 2) r ja c/w operating junction temperature range t j c storage temperature range t stg c electrical characteristics ratings at 25 c ambient temperature unless otherwise specified. parameter symbol symbol sf41sf42sf43sf44sf45sf46SF48 unit maximum instantaneous forward voltage at 4.0a v f 1.7 v maximum dc reverse current ta = 25 c at rated dc blocking voltage ta = 100 c ir a typical 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 30 per fast plastic rectifiers reverse voltage 50 to 600v forward current 4.0a 4.0 150 150 sf41 thru SF48 50 35 10 200 0.951.25 20 C 50 to +150 C 50 to +150
2.ratings and characteristic curves ( ta = 25 c unless otherwise noted ) sf41 thru SF48 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 ) p e a k f o r w a r d s u r g e 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 1 10 100 0.6 0.8 1.0 1.2 1.4 1.60 20 40 60 80 100 100 10 1.0 0.1 0.01 10 1.0 0.1 0.01 100 4.0 2.0 0 200 100 0 tj = 75 c 8.3ms single half sine-wave (jedec method) tj = 25 c pulse width = 300 s 1% duty cycle ambient temperature, cnumber of cycles at 60hz instantaneous forward voltage (v)percent of rated peak reverse voltage (%) reverse voltage (v) tj=125 tj=25 c / w ) 10 1.0 0.1 100 0.01 0.1 1.0 10 100 t,pulse duration,sec ta=ambient temperature 0.375"(9.5mm)lead lengh 60 hz resistive or inductive load tl=lead temperature with both leads heat sink mounted with length(l) as shown
3. dimension: sf41 thru SF48
: 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. update record sf41 thru SF48 1 2 ??Z SF48 ? 2011-9-14 ?? 2010-8-4 ???
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