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UAL-25 Datasheet(PDF) 2 Page - Riedon Powertron |
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UAL-25 Datasheet(HTML) 2 Page - Riedon Powertron |
2 / 4 page Riedon Inc. 300 Cypress Avenue Alhambra CA 91801 (626) 284-9901 (626) 284-1704 www.riedon.com 05/16 SPECIFICATIONS (continued) UAL Series Specification Value Tolerances ±0.01% to ±10% ( 1% Standard ) Temperature Coefficient >10Ω : ±20ppm/K 1Ω to10Ω : ±50ppm/K <1Ω : Call Factory Temperature Range -55°C to +275°C Dielectric Strength UAL-5,10: 1500 VAC ; UAL-25: 2500 VAC ; UAL-50: 3500VAC ; Others: 5500VAC Constuction Centerless ground ceramic core Tinned copper or copperweld leads High-temperature epoxy molding Compound Anodized aluminum housing All welded terminations Environmental Performance (MIL-STD 202) ∆R Dielectric ±0.2% + 0.05Ω Load Life ±1% + 0.05Ω Storage ±0.2% + 0.05Ω Moisture Resistance ±0.2% + 0.05Ω Thermal Shock ±0.2% + 0.05Ω 5X Overload ( 5s ) ±0.2% + 0.05Ω Shock ±0.1% + 0.05Ω Vibration ±0.1% + 0.05Ω Optional Lead Configuation Wire, Flexible, Teflon, Quick Disconnect, Flying Leads, Formed Aluminum Housed Power Wirewound Resistors Power Derating Curve Free-air Derating A : UAL-5, UAL-10 B : UAL-25 C : UAL-50, UAL-100, UAL-250 D : UAL-300 0 50 100 150 200 250 300 350 0 20 40 60 80 100 120 Ambient Temperature (°C) Mo un te d on He ats ink A B C D *Call factory for quote |
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