1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com ohmite mfg. co. 65 tfh series 85 watt to264 package thick film power f e a t u r e s ? 85 watt power rating at 25c case temperature ? non-inductive performance ? low thermal resistance ? rohs compliant design ? two or three terminals versions available ? heat sink can be grounded through middle terminal (p style) ordering information specifica tions material 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 electrical resistance range: 2 -10k max. working voltage: 500v or ohms law limited thermal resistance: 1.47c/w temperature coefficient: 2 -10 : 100ppm 10 -10k : 50ppm insulation resistance: 400m short time overload: 2x rated power (not to exceed 1500v) derating: linear, 100% at 25c to 0% at 150c 0.79" (20.07mm) 1.03" (26.16mm) 0.25" (6.35mm) ?0.15" (?3.81mm) 0.80" (20.32mm) 0.10" (2.54mm) 0.05" (1.27mm) connected to metal header 0.43" (10.92mm) 0.20" (5.08mm) 0.07" (1.78mm) 0.21" (5.33mm) p style (standard) m style (optional) 0.025" (0.64mm) 85 68 51 34 17 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 ???????????? series t olerance j= 5% package code p = three terminals m = two terminals ohms r = decimal example: 10r2 = 10.2 ohms 100r = 100 ohms 10k0 = 10,000 ohms rohs compliant dera ting performance data load life 1000 hrs @ rated power max. ? r 1% moisture resistance mil -std-202, method 106 max. ? r 0.5% short time overload 2x rated power for 5 sec., max. ? r 0.3% not to exceed 1500 v solderability mil-std-202, method 208 thermal shock mil-std-202, method 170, cond. f max. ? r 0.2% standard p art numbers for tfh series p-type m-type ohms 3-terminal 2-terminal 2 TFH85P2R00JE 3 tfh85m3r00je 5.1 tfh85p5r10je 6.8 tfh85m6r80je 7.5 tfh85p7r50je 10 tfh85p10r0je tfh85m10r0je 15 tfh85p15r0je 24 tfh85m24r0je 33 tfh85m33r0je 39 tfh85p39r0je 51 tfh85p51r0je tfh85m51r0je 68 tfh85p68r0je 75 tfh85p75r0je 100 tfh85p100rje tfh85m100rje 150 tfh85m150rje 220 tfh85p220rje 330 tfh85p330rje 470 tfh85m470rje 750 tfh85p750rje 1000 tfh85p1k00je tfh85m1k00je 1500 tfh85p1k50je 2700 tfh85m2k70je 3300 tfh85p3k30je 4700 tfh85m4k70je 6800 tfh85p6k80je 7500 tfh85p7k50je 10000 tfh85p10k0je tfh85m10k0je to see the latest in resistor technology click on the whats n ew tab at ohmite.com check product availability at www.ohmite.com 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.
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