1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com 151 teh70 series 70 watt to247 package thick film power fea tures ? 70 watt power rating at 25c case temperature ? non-inductive performance ? low thermal resistance ? rohs compliant design ? two or three terminal versions available ? heat sink can be grounded through middle terminal (p style) test conditions of test performance load life 1000 hrs @ rated power 1% ?r moisture resistance mil -std-202, method 106 0.5% ?r short time overload 2x rated power for 5 sec., not to exceed 1.5x max. working voltage 0.3% ?r solderability mil-std-202, method 208 thermal shock mil-std-202, method 170, cond. f 0.2% ?r 70 56 42 28 14 0 w attag e 100 percent rated powe r bottom of base plate temperature, c 60 20 0 0 80 40 75 100 175 125 50 25 150 derating resistor thick film on alumina lead solder coated phosphor bronze solder 100% sn case high temperature plastic p package middle terminal is electrically connected to header and insulated from left and right terminals m package no middle terminal derating linear, 100% at 25c to 0% at 150c resistance range 2-10k max. working voltage 500v or ohms law limited thermal resistance 1.79c/w temperature coefficient 2-10: 100ppm 10-10k: 50ppm insulation resistance 400 m short time overload 2x rated power for 5 sec., not to exceed 1.5x max. working voltage dielectric strength 2000 vdc characteristics this product is designed for use with proper heatsinking. maximum base plate temperature of the resistor must be monitored and kept within specified limits to es- tablish the power rating. best technique is to attach a thermocouple to the side of the base plate of the resis- tor. temperature of plastic housing or heat sink cannot be used to establish rating of the resistor. (continued)
1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com 152 0.63" (15.90mm) 0.83" (21.08mm) 0.25" (6.24mm) ?0.15" (?3.84mm) 0.80" (20.32mm) 0.08" (2.03mm) 0.05" (1.22mm) connected to heatsink for grounding 0.43" (10.82mm) 0.20" (5.08mm ) 0.09" (2.29mm) 0.21" (5.41mm) p style (standard) m style (optional) 0.025" (0.64mm) ???????????? series t olerance j= 5% package code p = three terminals m = two terminals ohms r = decimal example: 10r2 = 10.2 ohms 100r = 100 ohms 15k0 = 15,000 ohms rohs compliant non-compliant version unavailble standard part numbers p-type m-type ohms 3-terminal 2-terminal 2 teh70p2r00je teh70m2r00je 3 teh70p3r00je teh70m3r00je 4 teh70p4r00je 5 TEH70P5R00JE teh70m5r00je 7.5 teh70p7r50je teh70m7r50je 10 teh70p10r0je teh70m10r0je 15 teh70p15r0je teh70m15r0je 20 teh70p20r0je 24 teh70p24r0je teh70m24r0je 33 teh70m33r0je 39 teh70m39r0je 47 teh70p47r0je teh70m47r0je 68 teh70p68r0je teh70m68r0je 75 teh70m75r0je 100 teh70p100rje teh70m100rje 150 teh70p150rje teh70m150rje 270 teh70p270rje teh70m270rje 470 teh70p470rje teh70m470rje 680 teh70m680rje 750 teh70p750rje teh70m750rje 1000 teh70p1k00je teh70m1k00je 1500 teh70p1k50je teh70m1k50je 2000 teh70p2k00je teh70m2k00je 3000 teh70m3k00je 5000 teh70p5k00je teh70m5k00je 7500 teh70p7k50je 10000 teh70m10k0je
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