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| riedon inc. 300 cypress avenue alhambra ca 91801 (626) 284-9901 (626) 284-1704 www.riedon.com 1/16 type wattage rating ( watts ) maximum ohms 2 dimensions maximum working voltage mil-r-26 / mil-r-39007 style a 0.062 [1.6mm] b 3 0.031 [0.8mm] c 1 0.002 [0.05mm] ub-1 1 3.4k 0.250 [6.4] 0.085 [2.2] 0.020 [0.5] 0.025 [0.6] 33 rw-81 rwr-81 ub-2 1.5 7.5k 0.312 [7.9] 0.078 [2.0] 0.020 [0.5] 0.025 [0.6] 42 rwr-82 ub-3 2 10k 0.406 [10.3] 0.094 [2.4] 0.025 [0.6] 0.020 [0.5] 80 rw-80 rwr-80 ub-3c 3 12.5k 0.350 [8.9] 0.156 [4.0] 0.032 [0.8] 135 ub-5 4 25k 0.560 [14.2] 0.187 [4.7] 0.032 [0.8] 162 ub-5c 5 32k 0.500 [12.7] 0.218 [5.5] 0.040 [1.0] 194 ub-6 6 50k 0.625 [15.9] 0.250 [6.4] 0.040 [1.0] 258 ub-10 7 95k 0.875 [22.2] 0.312 [7.9] 0.040 [1.0] 425 rw-84 ub-12 10 150k 1.220 [31.0] 0.312 [7.9] 0.040 [1.0] 607 ub-15 15 260k 1.780 [45.2] 0.375 [9.5] 0.040 [1.0] 1050 1 lead diameter: 18 awg = 0.040 / 20 awg = 0.032 / 22 awg = 0.025 / 24 aw g = 0.020 where more than one lead is listed / the top value is standard 2 for non-inductive windings / divide maximum resistance by 2 3 for non-inductive winding where r 0.10 ohms, tolerance is +0.063/-0.00 [+1.6/-0.0 mm] ub series ? high power rating in a small package ? excellent pulse handling ? high temperature: -55c to +250c ? resistances from 0.02 to 260kohms ? power rating 1 to 15watts ? resistance tolerances to 0.01% ? low tcr: 20ppm/k standard ? mil-r-26 / mil-r-39007 power ratings ? non-inductive windings available specifications miniature silicone coated power resistors
riedon inc. 300 cypress avenue alhambra ca 91801 (626) 284-9901 (626) 284-1704 www.riedon.com 1/16 specifications (continued) for non-inductive windings / insert the letter n ( i.e. ubn-5 ) part description: part type - resistance - tolerance - tcr ( if not standard ) example: ub-3 10 ohm 1% 0 -50 0 50 100 150 200 250 300 0 20 40 60 80 100 120 power ( % ) ambient temperature (c) power derating curve speci? cation value tolerances 0.01% to 10% ( 1% standard ) temperature coef? cient >10 ? : 20ppm/k 1 ? to10 ? : 50ppm/k <1 ? : call factory temperature range -55c to +250c dielectric strength 500 vac : ub-1 / ub-2 / ub-3 1000 vac : all others construction centerless ground ceramic core matte tin over copper high temperature / trivalent / inorganic silicone coating all welded terminations environmental performance (mil-std 202) ? r dielectric 0.2% + 0.05 ? load life to 1% depending on size and resistance value storage 0.2% + 0.05 ? moisture resistance 0.2% + 0.05 ? thermal shock 0.2% + 0.05 ? 5x overload ( 5s ) 0.2% + 0.05 ? shock 0.1% + 0.05 ? vibration 0.1% + 0.05 ? ub seriessilicone coated power resistors ordering information |
Price & Availability of UB3C-0R1F1
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