rev date: 07/27/2012 1 www.seielect.com this specification may be changed at any time without prior notice marketing@seielect.com please confirm technical specificatio ns before you order and/or use. sp series ul1412 certified fusi ng wirewound resistor stackpole electronics, inc. resistive product solutions features: ? high performance for low cost ? complete welded terminations ? tinned copper leads ? high temperature silicone coating ? rohs compliant / lead-free ? ul 1412 file e344795 ? additional non-ul certified values of this part also available; contact stackpole for details ? bulk packaging available ? contact stackpole for package quantities dielectric type / code strength (v) sp3a 1,000v 4w 20ppm 10 - 100 power rating (watts) @ 25oc resistance temperature coefficient ohmic values ( ? ) and tolerance 5% electrical specifications 0.500 0.062 0.218 0.031 0.032 0.002 1.500 typ. inches 12.70 1.57 5.54 0.79 0.81 0.05 38.10 typ. mm (1) see "resistor packaging specification document" for lead length dimension for tape and reel packaged product sp3a type / code a b c unit d (bulk)(1) mechanical specifications power derating curve: 325 350 ambient temperature (oc) 75 125 175 225 operating temperature r ange: -55oc to +350oc 120 100 80 60 40 20 25 275 percent rated power (%)
rev date: 07/27/2012 2 www.seielect.com this specification may be changed at any time without prior notice marketing@seielect.com please confirm technical specificatio ns before you order and/or use. sp series ul1412 certified fusi ng wirewound resistor stackpole electronics, inc. resistive product solutions fusing time: 0 20 40 60 80 100 120 140 60 80 100 120 140 160 180 applied power fusing time (sec) max. fusing time min. fusing time how to order 1234567891 sp3ajt1 0 0r 0 code quantity j 500 packaging sp3a t product series size resistance value tolerance sp3a 11" reel tape four characters with the "r" multiplier used as the decimal holder 10 ohm = 10r0 100 ohm = 100r 5% code tol description
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