1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com 38 characteristics tdh series 35 watt dpak package thick film power surface mount terminal copper terminal plating lead free solder (97% tin, 3% silver) resistance range 0.05 to 10k other values on request tolerance 1% to 10% (0.5% on request) max. operating voltage 350v insulation resistance 10g min. power rating depends upon case temperature. see der - ating curve. dpak style power package for surface mounting applications; 35w power rating at 25c case temperature. working temperature range -55c to +175c solder process the tdh35p cannot exceed 215c (260c for the tdh35h) for more than 10 seconds during soldering process. derating 100% @ 25c to 0% @ 150c curve refer - enced to case temperature dielectric strength 1,800vac operating temperature range -55c to +150c temperature coefficient 10 and above, 50ppm/c, referenced to 25c, ?r taken at +105c. between 1 and 10, (100ppm+0.002)/c, referenced to 25c, ?r taken at +105c. for under 10: 0r6 - 9r9: 100ppm 0r4 - 0r59: 150ppm 0r2 - 0r39: 250ppm 0r1 - 0r19: 500ppm 0r05 - 0r09: 1000ppm inductance less than 20 nanohenries flatness less than 0.1mm tolerance test condition result load life milCrC39009, 2,000 hours ?r (1.0% +0.01) moisture resistance milCstdC202, method 106 ?r =(0.5% +0.01) max. short time overload 2 times rated power with applied voltage not to exceed 1.5 times maximum continu - ous operating voltage for 5 seconds ?r (0.3% +0.01) max. thermal shock milCstdC202, method 107, cond. f ?r =(0.3% +0.01) max. terminal strength milCstdC202, method 211, cond. a (pull test) 2.4n ?r =(0.2% +0.01) max. vibration, high frequency mil-std-202, method 204, cond. d r =(0.2% +0.01) max. ohmites tdh resistor is an economi - cal solution to intermediate power application design requirements. tdhs reliable thick film on alumina substrate construction can be easily heat sinked for higher power perfor - mance. tdh resistors are ideal for pulse-loading, pre-charge, bleeder, and snubber applications. features ? 35 watt power rating at 25c ? smd - dpak package configu- ration ? heat resistance to cooling plate: rth <4.28c/w ? a molded case for environ- mental protection. ? resistor element is electrically insulated from the metal sink tab. soldering note: during surface mount soldering the soldering temperature profile must not cause the metal tab of this device to exceed 220c (260c for the tdh35h)! derating 100 percent rated powe r bottom of base plate temperature, c 60 20 0 05 0 100 25 75 125 80 40 150 175 35 21 7 0 28 14 rated power , w derating (thermal resistance): 0.23w/c (4.28c/w). the case temperature is to be used for purposes of establishing the applied power limit. the case temperature measurement must be made with a thermocouple contacting the center of the component mounted on the designed heat sink. thermal grease should be applied propperly. (continued)
1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com 39 dimensions ord ering inf ormation tdh35pr100je -tr style ohms r = decimal example: r100 = 0.10 1r00= 1.0 10k0= 10,000 t olerance f = 1% j = 5% k = 10% rohs compliant non-compliant version unavailable t ape and reel (optional) 750 per reel package modifier p = low temp. h = high temp. 10.1m m 0.9mm 5.08m tol. 0.2mm unless otherwise noted m 1.1m m 0.5 45 4.5mm 1.5m m 0.5 0.6m m 1.5m m 0.5 0.5mm 8.6m m 0.5mm 4.8m m 1.4m m 7.87mm 8.51m m 2.63mm 3.81mm 2.54mm 1.65m m land pattern 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. standard part numbers part number ohms 5% tolerance 0.10 tdh35pr100je 0.15 tdh35pr150je 0.20 tdh35pr200je 0.25 tdh35pr250je 0.30 tdh35pr300je 0.36 tdh35pr360je 0.47 tdh35pr470je 0.50 tdh35pr500je 0.75 tdh35pr750je 1.0 tdh35p1r00je 2.0 TDH35P2R00JE 3.0 tdh35p3r00je 5.0 tdh35p5r00je 7.5 tdh35p7r50je 10 tdh35p10r0je 15 tdh35p15r0je 20 tdh35p20r0je part number ohms 5% tolerance 25 tdh35p25r0je 33 tdh35p33r0je 39 tdh35p39r0je 47 tdh35p47r0je 68 tdh35p68r0je 75 tdh35p75r0je 100 tdh35p100rje 150 tdh35p150rje 200 tdh35p200rje 250 tdh35p250rje 300 tdh35p300rje 500 tdh35p500rje 750 tdh35p750rje 1000 tdh35p1k00je 1500 tdh35p1k50je 2500 tdh35p2k50je 3000 tdh35p3k00je 5000 tdh35p5k00je 16m m 4.95m m 24mm tape dimensions 750 pc./reel tdh series 35 watt dpak package thick film power surface mount
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