reliable electronic solutions pwr1913/pwr2615/pwr4525/pwr6327 surface mount wirewound power resistors features surface mount wirewound resistor high power low temperature coefficient rohs compliant* non-inductive versions available applications power supplies motor drives electricity metering general information the pwr1913/pwr2615/pwr4525/ pwr6327 series are surface mount wirewound resistors offering 0.5, 1, 2 and 3 w power ratings as w ell as a wide resistance and operating temperature range. electrical characteristics parameter pwr1913 pwr2615 pwr4525 pwr6327 resistance range 0.01 to 400 ohms 0.01 to 3k ohms 0.01 to 15k ohms 0.01 to 25k ohms power rating @ 70 ? 0.5 w 1 w 2 w 3 w absolute tolerance values 1 % / 5 % temperature coefficient (tcr) r>10 ohms 20 ppm/c 1 ohm r 10 ohms ?0 ppm/c r<1 ohm ?50 ppm/c operating temperature -55 to +275 c insulation resistance >1000 megohms dielectric strength 1000 vac environmental characteristics tests per mil-std-202 ? r max. short time overload 0.5 % ?.05 ohm load life 1.0 % ?.05 ohm moisture resistance 1.0 % ?.05 ohm thermal shock 0.5 % ?.05 ohm resistance to 0.25 % ?.05 ohm solder heat shock 0.5 % ?.05 ohm vibration 0.5 % ?.05 ohm *rohs directive 2002/95/ec jan 27 2003, including annex specifications are subject to change without notice. customers should verify actual device performance in their specific applications. *rohs compliant power (%) ambient temperature ( c) 100 120 80 60 40 20 0 0 50 200 150 100 250 300 350 characteristic curve asia-pacific: tel: +886-2 2562-4117 ?fax: +886-2 2562-4116 europe: tel: +41-41 768 5555 ?fax: +41-41 768 5510 the americas: tel: +1-951 781-5500 ?fax: +1-951 781-5700 www.bourns.com physical characteristics flammability.............conforms to ul94v-0 lead frame material......copper, tin-plated body material ...........................epoxy resin
how to order pwr4525 w 7r50 j e model pwr1913 pwr2615 pwr4525 pwr6327 type w = wirewound resistor value 4 digits absolute tolerance j = ? % f = ? % packaging e = tape & reel ___ = bulk specifications are subject to change without notice. customers should verify actual device performance in their specific applications. product dimensions recommended pad layout pwr1913/pwr2615/pwr4525/pwr6327 surface mount wirewound power resistors a c f e dia. b d rev. 05/07 l h w lead a b c d f thickness e height w h l ?.4 ?.4 0.4 ?.4 0.4 0.05 ?.4 ?.13 0.4 0.4 0.4 model (?.015) (?.015) (?.015) (?.015) (?.015) (?.002) (?.015) (?.005) (?.015) (?.015) (?.015) pwr1913 4.8 3.3 2.8 1.5 1.0 0.15 2.5 0.13 1.6 2.5 6.4 (0.190) (0.130) (0.110) (0.060) (0.040) (0.006) (0.100) (0.005) (0.062) (0.100) (0.250) pwr2615 6.6 3.9 3.2 1.8 1.8 0.15 3.0 0.13 2.4 2.8 8.6 (0.260) (0.155) (0.125) (0.070) (0.070) (0.006) (0.120) (0.005) (0.096) (0.112) (0.337) pwr4525 11.4 6.4 4.6 3.0 2.5 0.15 4.8 0.13 3.9 5.8 13.7 (0.450) (0.250) (0.180) (0.120) (0.100) (0.006) (0.190) (0.005) (0.155) (0.230) (0.540) pwr6327 15.9 6.9 6.4 3.0 3.4 0.15 2.8 0.13 5.1 3.8 17.8 (0.625) (0.270) (0.250) (0.120) (0.135) (0.006) (0.110) (0.005) (0.200) (0.150) (0.700) dimensions: mm (inches) packaging specifications pieces model tape per reel pwr1913 12 mm / embossed plastic 3000 pwr2615 16 mm / embossed plastic 2000 pwr4525 24 mm / embossed plastic 1000 pwr6327 28 mm / embossed plastic 700 soldering profile 25 75 125 175 225 275 0 50 100 150 200 250 300 time (seconds) temperature (?) 60 - 120 seconds 60 - 90 seconds 260 ? peak 190 ? 150 ? 220 ? ramp down 3 ?/second 255 ? maximum of 20 seconds between +255 ? and +260 ? ramp up 3 ?/second maximum 10 seconds minimum <1> <1> typical part marking manufacturer's trademark resistance code 005 yyww date code note: pwr1913 will contain the resistance code marking only.
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