1.features * plastic package has underwriters laboratory flammability classification 94v-0 * high temperature metallurgically bonded construction * deffused junction * capable of meeting environmental standards of mil-s-19500 * 2.5 a operation at ta=55c with no thermal runaway * typical ir less than 1.0a * high temperature soldering guaranteed: 350c/10 seconds * 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension 2.mechanical data case : jedec r-3, molded plastic body terminals : plated axial leads, solderable per mil-std-750, method 2026 polarity : color band denotes cathode end mounting position : any weight : 0.015 oz., 0.40 g handling precautin :none 3.maximum ratings & thermal characteristics ratings at 25c ambient temperature unless otherwise specified. parameter symbol symbol rl 251 rl 252 rl 253 rl 254 rl 255 rl 256 rl 257 unit 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 0.375" (9.5mm) lead length at t a = 55c 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 = 55 c ir(av) a typical thermal resistance (note 1) r ja c/w operating junction and storage temperature rang e tj, tstg c electrical characteristics ratings at 25c ambient temperature unless otherwise specified. parameter symbol symbol rl 251 rl 252 rl 253 rl 254 rl 255 rl 256 rl 257 unit maximum instantaneous forward voltage at 2.50 a v f v maximum dc reverse current ta = 25c at rated dc blocking voltage ta = 100c ir a typical junction capacitance at 4.0v, 1mhz cj pf notes: 1. thermal resistance from junction to ambient at 0.375? (9.5mm) lead length, p.c.b. mounted ?50 to +150 45 15 1.1 5.0 200 2.5 150 100 rl251 thru rl257 reverse voltage 50 to 1000v forward current 2.5a general purpose plastic rectifiers leshan radio company, ltd. we declare that the material of product compliance with rohs requirements. 1/3
4. ratings and characteristic curves ( ta = 25c unless otherwise noted ) 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 average forward rectified current (a) average forward rectified current (a) instantaneous forward current (a) instantaneous reverse current (a) junction capacitance (pf) 0 25 50 75 100 125 150 175 0.6 0.8 1.0 1.2 1.4 1.6 0 20 40 60 80 100 20 10 1.0 10 1.0 0.1 0.01 0.001 10 1.0 0.1 0.01 100 2.5 1.25 0 150 75 0 0.375" (9.5mm) lead length tj = tj max 8.3ms single half sine-wave (jedec method) tj = 25c pulse width = 300s 1% duty cycle ambient temperature, c n umber of cycles at 60hz instantaneous forward voltage (v) percent of rated peak reverse voltage (%) reverse voltage (v) tj=125 tj=75 tj=25 transient thermal impedance(c/w) 10 1.0 0.1 100 0.01 0.1 1.0 10 100 t,pulse duration,sec 1 10 100 0.1 1 10 100 60 hz resistive or inductive load tj = 25c f = 1.0 mhz vsig = 50mvp-p leshan radio company, ltd. 2/3
5.package dimensions in inches and (millmeters) min. max. min. max. l 0.138 0.160 3.5 4.1 l1 1.0 - 25.4 - d 0.138 0.160 3.5 4.1 d 0.041 0.042 1.0 1.1 inches mm note: r-3 molded plastic case the marking band indicates the cathode dimensions l d d package outline leshan radio company, ltd. 3/3
unit:mm a ? /reel spec. w 1 w w1 item symbol dimension label stike this position a 76.40.1 b 82.50.2 c 3300.5 width w 720.2 thickness w1 30.2 b /outer box specification item symbol dimension l 3502 w 3502 h 3404 h ??? (as per the above spec) do-15 4k 16k q'ty/taping 5k 1.4k q'ty/packing case 20k 5.6k size w l /outside do-41 & a-405 do-201ad packing of plastic-sealed axial lead diodes a b c dimeter 1. /reel packing 52mm leshan radio company, ltd.
unit:mm a /ammo box spec. item symbol dimension notes l 2602 w 762 h 1004 l 2503 w 453 h 955 b /outer box specification item symbol dimension notes l 4302 h w 2802 h 2254 l 4353 w w 2803 h 2955 l ??? ( as per the above spec ) do-15 2k 20k 40k 2. ? /ammo packing q'ty/packing case 52mm/type 60k 14.4k q'ty/taping 3k 0.8k q'ty/packing case 26mm/type 30k 7.2k case's size 52mm type 26mm type /outside a-405 & do-41 & r-1 do-201ad box's size 52mm type 26mm type leshan radio company, ltd.
a. ?? /box dimension ( do-41&do-15 ) item symbol dimension h l 2002 w 842 h 212 l ( do-201ad ) h item symbol dimension l 2002 w 842 l h 292 b / outer box specification item symbol dimension l 4652 c w 2252 h 2604 b a ??? ( as per the above spec ) do-15 0.5k 25k 3. ?? /bulk packing q'ty/taping 1k 0.3k q'ty/packing case 50k 12k /outside do-41&a-405&r-1 do-201ad w box's size w case's size box's size leshan radio company, ltd.
unit:mm ? : 52 # ? do-201ad remark: 52 tape# is do-201ad taping spec. 4. ? /taping specification r 1.0 h 61.0 p 50.5 ? t 3.2 3.2 3.2 1.0 1.0 z 1.2 1.2 1.2 61.0 61.0 l 1 -l 2 1.0 1.2 1.2 50.5 100.5 w 26 0.0/+1.6 52 -1.0/+2.0 52 -1.0/+2.0 ? /tape dimension dimension code 26/tape 52/tape 52/tape# leshan radio company, ltd.
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