333 3 RHA www.vishay.com Vishay Dale Pre-Charge and Discharge, Chassis Mount Wirewound Resistor FEATURES AEC-Q200 qualified Molded construction for total environmental Available protection Complete welded construction Mounts on chassis to utilize heat-sink effect Available Excellent stability in operation (< 1 % change in resistance) Available Material categorization: LINKS TO ADDITIONAL RESOURCES for definitions of compliance please see Available www.vishay.com/doc 99912 3D Models Note * This datasheet provides information about parts that are RoHS-compliant and / or parts that are non RoHS-compliant. For example, parts with lead (Pb) terminations are not RoHS-compliant. Please see the information / tables in this datasheet for details STANDARD ELECTRICAL SPECIFICATIONS POWER RATING WEIGHT RESISTANCE RANGE TOLERANCE GLOBAL MODEL P (typical) 25 C % W g RHA005 7.5 0.1 to 3.32K 1, 3, 5 3 RHA010 12.5 0.1 to 5.62K 1, 3, 5 5 RHA025 25 0.1 to 12.1K 1, 3, 5 12 RHA050 50 0.1 to 39.2K 1, 3, 5 28 TECHNICAL SPECIFICATIONS PARAMETER UNIT RHA RESISTOR CHARACTERISTICS Temperature Coefficient ppm/C 20 for 10 and above 50 for 1 to 9.9 , 100 for 0.1 to 0.99 1/2 Maximum Working Voltage V (P x R) Insulation Resistance 10 000 M minimum dry, 1000 M minimum after moisture test Solderability - Meets requirements of ANSI J-STD-002 Operating Temperature Range C -55 to +250 GLOBAL PART NUMBER INFORMATION Global Part Numbering Example: RHA0054R125FC02 RH A 0 0 5 4 R 1 25 F E 0 2 GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING SPECIAL RHA005 R = decimal F = 1.0 % E02 = lead (Pb)-free, card pack (dash number) (see Standard H = 3.0 % K = thousand (up to 2 digits) Electrical J = 5.0 % 15R00 = 15 from 1 to 99 Specifications 10K00 = 10 k as applicable Global Model column for options) Revision: 22-Feb-2022 Document Number: 30406 1 For technical questions, contact: ww2aresistors vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 DDD D RHA www.vishay.com Vishay Dale DIMENSIONS in inches millimeters D C F M E A N G J B P H L K DIMENSIONS in inches millimeters GLOBAL MODEL AB C D E F G H J K L M N P 0.444 0.490 0.600 1.125 0.334 0.646 0.320 0.065 0.133 0.078 0.093 0.078 0.050 0.266 0.005 0.005 0.030 0.062 0.015 0.015 0.015 0.010 0.010 0.010 0.005 0.015 0.005 0.062 RHA005 11.28 12.45 15.24 28.58 8.48 16.41 8.13 1.65 3.38 1.98 2.36 1.98 1.27 6.76 0.127 0.127 0.787 1.57 0.381 0.381 0.381 0.254 0.254 0.254 0.127 0.381 0.127 1.57 0.800 0.390 0.075 0.165 0.093 0.094 0.102 0.085 0.312 0.562 0.625 0.750 1.375 0.420 0.005 0.005 0.031 0.062 0.015 0.015 0.015 0.010 0.010 0.010 0.005 0.015 0.005 0.062 RHA010 14.27 15.88 19.05 34.93 10.67 20.32 9.91 1.91 4.19 2.36 2.39 2.59 2.16 7.92 0.127 0.127 0.787 1.57 0.381 0.381 0.381 0.254 0.254 0.254 0.127 0.381 0.127 1.57 0.719 0.781 1.062 1.938 0.550 1.080 0.546 0.075 0.231 0.172 0.125 0.115 0.085 0.438 0.005 0.005 0.031 0.062 0.015 0.015 0.015 0.010 0.010 0.010 0.005 0.015 0.005 0.062 RHA025 18.26 19.84 26.97 49.23 13.97 27.43 13.87 1.91 5.87 4.37 3.18 2.92 2.16 11.13 0.127 0.127 0.787 1.57 0.381 0.381 0.381 0.254 0.254 0.254 0.127 0.381 0.127 1.57 1.562 0.844 1.968 2.781 0.630 1.140 0.610 0.088 0.260 0.196 0.125 0.107 0.085 0.438 0.005 0.005 0.031 0.062 0.015 0.015 0.015 0.010 0.010 0.010 0.005 0.015 0.005 0.062 RHA050 21.44 39.67 49.99 70.64 16.00 28.96 15.49 2.24 6.60 4.98 3.18 2.72 2.16 11.13 0.127 0.127 0.787 1.57 0.381 0.381 0.381 0.254 0.254 0.254 0.127 0.381 0.127 1.57 POWER RATING Vishay RH resistor wattage ratings are based on mounting to the following heat sink: RHA005 and RHA010: 4 x 6 x 2 x 0.040 thick aluminum chassis (129 sq. in. surface area) RHA025: 5 x 7 x 2 x 0.040 thick aluminum chassis (167 sq. in. surface area) RHA050: 12 x 12 x 0.059 thick aluminum panel (291 sq. in. surface area) FREE AIR POWER RATING GLOBAL MODEL RHA005 RHA010 RHA025 RHA050 W at 25 C 4.5 7.5 12.5 20 Revision: 22-Feb-2022 Document Number: 30406 2 For technical questions, contact: ww2aresistors vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000