mpr series flameproof metal plate resistor stackpole electronics, inc. resistive product solutions rev date: 09/30/2009 49 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. maximum maximum type / code working overload voltage voltage 5% 10% mpr 3 3w mpr 5 5w mprt 2 2w + 2w mprt 3 3w + 3w mprt 5 5w + 5w mprt 7 7w + 7w power rating (watts) @ 70oc resistance temperature coefficient ohmic range ( ? ) and tolerance 350v 700v 350 ppm/oc 0.01 - 1 0.01 - 1 0.22 - 0.56 0.03 - 0.56 type / code a b h h1 p units 0.5512 0.0394 0.1969 0.0394 0.5118 0.0394 0.5118 0.0394 0.3937 0.0394 inches 14.0 1.0 5.0 1.0 13.0 1.0 13.0 1.0 10.0 1.0 mm 0.5512 0.0394 0.1969 0.0394 0.7087 0.0394 0.5118 0.0394 0.3937 0.0394 inches 14.0 1.0 5.0 1.0 18.0 1.0 13.0 1.0 10.0 1.0 mm 1.0236 0.0394 0.1969 0.0394 0.3346 0.0394 0.5118 0.0394 0.3937 0.0394 inches 26.0 1.0 5.0 1.0 8.5 1.0 13.0 1.0 10.0 1.0 mm 1.0236 0.0394 0.1969 0.0394 0.5118 0.0394 0.5118 0.0394 0.3937 0.0394 inches 26.0 1.0 5.0 1.0 13.0 1.0 13.0 1.0 10.0 1.0 mm 1.0236 0.0394 0.1969 0.0394 0.7087 0.0394 0.5118 0.0394 0.3937 0.0394 inches 26.0 1.0 5.0 1.0 18.0 1.0 13.0 1.0 10.0 1.0 mm 1.0236 0.0394 0.1969 0.0394 0.7874 0.0394 0.5118 0.0394 0.3937 0.0394 inches 26.0 1.0 5.0 1.0 20.0 1.0 13.0 1.0 10.0 1.0 mm mprt 3 mprt 5 mprt 7 mpr 3 mpr 5 mprt 2 resistance tolerance 0.47 5% type description code wattage tolerance type qty description code mpr single 2 2w 5% all 1,000 bulk b mprt twin 33w 10% 55w 77w packaging b mpr sei type code 3 features: electrical specifications mechanical specifications how to order ? small size with high power ratio ? low resistance values and low inductance ? crimped leads keep circuit board temperatures cooler ? rohs compliant / lead-free
rev date: 09/30/2009 50 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. mpr series flameproof metal plate resistor stackpole electronics, inc. resistive product solutions ambient temperature (oc) 150 200 250 300 25 0 50 100 power derating curve 100 85 50 percent rated power (%) 275 25 150 120 80 40 0 10 20 40 60 80 100 10w 5w 3w 2w load factor (%) temperature rise ( oc) test test results short time overload 2% 0.05 humidity load life 3% 0.05 temp cycling 2% 0.05 resistance to soldering heat 2% 0.05 load life @ 70oc - 1,000 hours 3% 0.05 power derating curve: load factor: performance characteristics
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