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UAL25-75RF8 Datasheet(PDF) 1 Page - Riedon Powertron |
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UAL25-75RF8 Datasheet(HTML) 1 Page - Riedon Powertron |
1 / 4 page Riedon Inc. 300 Cypress Avenue Alhambra CA 91801 (626) 284-9901 (626) 284-1704 www.riedon.com 05/16 • Power Rating 5 to 300Watts • High Temperature: -55°C to +275°C • Excellent Pulse Handling • Resistances from 0.005 to 250kOhms • Tolerance to ±0.01% • Low TCR: ± 20ppm/K Standard • Various Terminal Option Available • All Welded Construction SPECIFICATIONS For Non-Inductive Windings / insert the letter “N” ( i.e. UALN-25 ) Part Description: Part Type - Resistance - Tolerance - TCR ( If not standard ) Example: UAL-25 10 Ohm 1% UAL-25-4T UAL-25-4 UAL-25-4TR UAL Series Aluminum Housed Power Wirewound Resistors Ordering Information Type MIL-R-39009 MIL-R-18546 Style Power Rating ( W @ 25°C ) Resistance Range1 Commercial MIL Free Air UAL-5 RER-60 / RE-60 7.5 a 5 a 4.5 0.01 to 22K UAL-10 RER-65 / RE-65 10 a 10 a 7.5 0.005 to 10K UAL-25 RER-70 / RE-70 25 b 20 b 12 0.005 to 36K UAL-50 RER-75 / RE-75 50 c 30 c 20 0.01 to 86K UAL-100 100 d 75 d 40 0.01 to 70K UAL-180 - 180 d - - 0.01 to 50K UAL-250 RER-80 / RE-80 250 d 120 d 100 0.01 to 50K UAL-300 - 300 e - 75 0.01 to 68K 1 For non-inductive windings, divide maximum resistance by 2 a Heatsink Required : 0.040 [1.0] Alum. Plate, 129 in2 [832 cm2] or equiv. b Heatsink Required : 0.040 [1.0] Alum. Plate, 167 in2 [1077 cm2] or equiv. c Heatsink Required : 0.059 [1.5] Alum. Plate, 291 in2 [1877 cm2] or equiv. d Heatsink Required : 0.125 [3.2] Alum. Plate, 294 in2 [1896 cm2] or equiv. e Heatsink Required : 0.125 [3.2] Alum. Plate, 895 in2 [5780 cm2] or equiv. |
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