toll free: (888) sei-seis www.seielect.com email: marketing@seielect.com 55 (888) 734-7347 ww / mww series ? general purpose and precision wirewound *standard tc as follows: 90ppm below 1 ? , 50ppm from 1 - 10 ?, & 20ppm above 10 ?. features ? high performance for low cost ? complete welded terminations ? excellent stability in operation ? tinned copper leads ? high power to size ratio ? available in non-inductive styles ? mww - completely molded construction with welded terminations tested to mil-r-39007 ? high temperature silicone coating ? rohs compliant / lead-free electrical specifications type / code mil-r-26 ref. dielectric strength power rating (watts) std. resistance range* (ohms) @ 125c (u) @ 25c (v) 0.1%, 0.5%, 1% & 5% ww h ? 500 0.4w 0.6w 0.1 ? ? 2k ww 1 ? 500 1.0w 1.2w 0.1 ? ? 3k ww 1a rw-70 500 1.0w 1.5w 0.1 ? ? 7k ww 2 rw-69 1,000 1.5w 2.5w 0.1 ? ? 10k ww 2a ? 1,000 2.5w 3.0w 0.1 ? ? 15k ww 3 rw-79 1,000 3.0w 3.7w 0.1 ? ? 22k ww 3a ? 1,000 3.0w 4.0w 0.1 ? ? 30k ww 4 ? 1,000 4.0w 5.0w 0.1 ? ? 40k ww 5 rw-67, rw-74 1,000 5.0w 6.0w 0.1 ? ? 50k ww 7 ? 1,000 6.5w 8.5w 0.1 ? ? 70k ww 7b ? 1,000 7.0w 9.0w 0.1 ? ? 100k ww 10 rw-78 1,000 10w 13w 0.1 ? ? 150k mww 1 rw-70 1,000 1.0w 1.5w 0.1 ? ? 2k mww 3 rw-79 1,000 3.0w 3.75w 0.1 ? ? 20k mww 5 rw-67, rw-74 1,000 5.0w 6.5w 0.1 ? ? 40k mww 10 rw-68, rw-74 1,000 10.0w 13.0w 0.1 ? ? 150k how to order ww 1 10k 1% r sei type code nominal resistance tolerance packaging type description code tolerance description pkg qty description code ww standard 1 0.1% ww h, ww 1, ww 1a, mww 1 2,500 11" flange r mww molded 1a 0.5% ww 2, ww 2a, ww 3, ww 4, mww 3 2,000 nww non-inductive 2 1.0% ww 3a 750 2a 5.0% ww 5, ww 7, ww 7b, ww 10, mww 5 500 3 ww 10, mww 10 250 3a 4 5 7 7b 10 h
toll free: (888) sei-seis www.seielect.com email: marketing@seielect.com ww / mww series ? general purpose and precision wirewound 56 (888) 734-7347 * available in 0.040 mechanical specifications type / code a b c units tolerance 0.062/1.6 0.031/0.8 0.002/0.05 ww h 0.312 7.9 0.110 2.8 0.0245 0.64 inches mm ww 1 0.375 9.5 0.110 2.8 0.025 0.64 inches mm ww 1a 0.420 10.7 0.110 2.8 0.025 0.64 inches mm ww 2 0.370 9.4 0.156 4.0 0.032 0.81 inches mm ww 2a 0.550 14.0 0.156 4.0 0.032 0.81 inches mm ww 3 0.560 14.2 0.187 4.8 0.032 0.81 inches mm ww 3a 0.500 12.7 0.218 5.5 0.032 0.81 inches mm ww 4 0.700 17.8 0.270 6.9 0.036 0.91 inches mm ww 5 0.875 22.2 0.312 7.9 0.036 0.91 inches mm ww 7 1.000 25.4 0.312 7.9 0.036 0.91 inches mm ww 7b 1.200 30.5 0.312 7.9 0.036 0.91 inches mm ww 10 1.780 45.2 0.375 9.5 0.036* 0.91* inches mm mechanical specifications type / code a b c units tolerance 0.015/0.4 0.015/0.4 0.002/0.05 mww 1 0.385 9.8 0.135 3.4 0.032 0.81 inches mm mww 3 0.560 14.2 0.205 5.2 0.032 0.81 inches mm mww 5 0.925 23.5 0.330 8.4 0.036 0.91 inches mm mww 10 1.965 49.9 0.480 12.2 0.040 1.02 inches mm performance characteristics test results moisture resistance 1% max. load life 1% temperature cycling 0.5% short time overload 1%
|
