page 46 knpxws mini-wirewound resistor ? smaller size than knp series ? exceptional long-term stability ? non-inductive series available (nkn) ? exceeds carbon comp mil-r-11 performance ? 5% standard tolerance power rating standard type: 1w ~ 5w dimensions nkn has 5 colour bands, the 5th is a black band. dimensions (mm) l w h d knp1ws 9.0 1.0 3.5 0.5 26 2.0 0.6 0.05 KNP2WS 11.5 1.0 4.5 0.5 35 2.0 0.8 0.05 knp3ws 15.5 1.0 5.0 0.5 33 2.0 0.8 0.05 knp5ws 17.5 1.0 6.0 0.5 32 2.0 0.8 0.05 style electrical characteristics power rating at 70 c 1 w 2 w 3 w 5 w style knp1ws KNP2WS knp3ws knp5ws operating temp. range -55 c ~ +155 c dielectric withst anding voltage 300v 400v 400v 400v value range 5%* 0r1 ? ~47 ? 0r1 ? ~100 ? 0r1 ? ~330 ? 0r1 ? ~560 ? temperature coefficient 400 ppm / c 300 ppm / c *resistance range for standard resistance ? below or over this resistance on request. non-inductive type (nkn) up to 50 ? only. power derating curve temperature rise
s-p international page 47 environmental characteristics performance test test method appraise short time overload jis-c-5202 5.5 2.5 times rcwv for 5 seconds (2%+0.05 ? ) temperature coefficient (t.c.r.) jis-c-5202 5.2 -55 c to +155 c 400ppm/ c dielectric withstanding voltage jis-c-5202 5.7 in v-block for 60 seconds by type insulation resistance jis-c-5202 5.6 in v-block >100m ? load life jis-c-5202 7.10 70 c at rcwv for 1000 hr (1.5hrs on, 0.5hrs off) (3%+0.05 ? ) load life in humidity jis-c-5202 7.9 40 2 c, 90~95% rh at rcwv for 1000 hr (1.5hrs on, 0.5hrs off) (3%+0.05 ? ) solderability jis-c-5202 6.5 235 c for 5 0.5 seconds 95% minimum coverage resistance to solvent jis-c-5202 6.9 trichroethane for 1min with ultrasonic no deterioration of coatings and markings terminal strength direct load for 10 sec in direction of the terminal leads 2.5kg (24.5n) knp 3 ws j t - 100r part number rated continuous working voltage (rcwv) = power rating x resistance value series type wattage series type tolerance package resistance value knp nkn 1 = 1w 2 = 2w 3 = 3w 5 = 5w ws part of series type "standard" j = 5% t = tape omit for bulk example 0r10 22r0 220r standard packaging bulk special order tape 1w, 2w 1,000 pieces call 3w, 5w 500 pieces revised 2005-05-25 lead free knp series parts are lead free. rohs compliant
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