RHA00525R00FE02

Preliminary RHA www.vishay.com Vishay Dale Pre-Charge and Discharge, Chassis Mount Wirewound Resistor FEATURES • AEC-Q200 qualified • Molded construction for total environmental protection Available • Complete welded construction • Mounts on chassis to utilize heat-sink effect Available • Excellent stability in operation (< 1 % change in resistance) • Material categorization: for definitions of compliance please see www.vishay.com/doc?99912 LINKS TO ADDITIONAL RESOURCES 3D 3D Available Available 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 P25 °C W RESISTANCE RANGE Ω ± 1 %, ± 3 %, ± 5 % WEIGHT (typical) g RHA005 7.5 0.1 to 3.32K 3 RHA010 12.5 0.1 to 5.62K 5 RHA025 25 0.1 to 12.1K 12 RHA050 50 0.1 to 39.2K 28 GLOBAL MODEL TECHNICAL SPECIFICATIONS PARAMETER UNIT RHA RESISTOR CHARACTERISTICS ppm/°C ± 20 for 10 Ω and above; ± 50 for 1 Ω to 9.9 Ω, ± 100 for 0.1 Ω to 0.99 Ω Maximum Working Voltage V (P x R)1/2 Insulation Resistance Ω 10 000 MΩ minimum dry, 1000 MΩ minimum after moisture test Solderability - Meets requirements of ANSI J-STD-002 °C -55 to +250 Temperature Coefficient Operating Temperature Range GLOBAL PART NUMBER INFORMATION Global Part Numbering Example: RHA0054R125FC02 R H A 0 0 5 4 R 1 2 5 F C 0 2 GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING SPECIAL RHA005 (see Standard Electrical Specifications Global Model column for options) R = decimal K = thousand 15R00 = 15 Ω 10K00 = 10 kΩ F = 1.0 % H = 3.0 % J = 5.0 % E02 = lead (Pb)-free, card pack (dash number) (up to 2 digits) from 1 to 99 as applicable Revision: 02-Mar-2021 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 Preliminary RHA www.vishay.com Vishay Dale DIMENSIONS in inches [millimeters] D C A F E M N G J B P H L K DIMENSIONS in inches [millimeters] GLOBAL MODEL A B C D E F G H J K L M N P RHA005 0.266 0.050 0.078 0.093 0.078 0.133 0.065 0.320 0.646 0.334 1.125 0.600 0.490 0.444 ± 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 [6.76 [1.27 [1.98 [2.36 [1.98 [3.38 [1.65 [8.13 [16.41 [8.48 [11.28 [12.45 [15.24 [28.58 ± 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] RHA010 0.800 0.390 0.075 0.165 0.093 0.094 0.102 0.085 0.312 0.420 1.375 0.750 0.625 0.562 ± 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 [14.27 [15.88 [19.05 [34.93 [10.67 [20.32 [9.91 [1.91 [4.19 [2.59 [2.16 [7.92 [2.36 [2.39 ± 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] RHA025 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 [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] RHA050 1.968 2.781 0.630 1.140 1.562 0.610 0.088 0.260 0.196 0.125 0.107 0.085 0.438 0.844 ± 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 [39.67 [21.44 [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 W at 25 °C Revision: 02-Mar-2021 RHA005 RHA010 RHA025 RHA050 4.5 7.5 12.5 20 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 Preliminary RHA www.vishay.com Vishay Dale AMBIENT TEMPERATURE DERATING Derating is required for ambient temperatures above 25 °C, see the following graph. Curves A, B, C apply to operation of unmounted resistors. Curve D applies to all types when mounted to specified heat sink. A = RHA005 and RHA010 size resistor, unmounted B = RHA025 size resistor, unmounted C = RHA050 size resistor, unmounted RATED POWER IN % D = All types mounted to recommended aluminum heat sink 120 100 80 D A 60 B C 40 20 0 -55 -50 0 50 150 25 250 AMBIENT TEMPERATURE IN °C REDUCED HEAT SINK DERATING Derating is also required when recommended heat sink area is reduced. A = RHA005 and RHA010 size resistor B = RHA025 size resistor RATED POWER IN % C = RHA050 size resistor 100 90 80 70 A 60 B 50 C 40 30 20 10 0 0 20 40 60 80 100 % OF RECOMMENDED HEAT SINK AREA Revision: 02-Mar-2021 Document Number: 30406 3 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 Preliminary RHA www.vishay.com Vishay Dale MATERIAL SPECIFICATIONS SPECIAL MODIFICATIONS Element: copper-nickel alloy or nickel-chrome alloy, depending on resistance value A number of special modifications to the aluminum housed resistor style are available upon request. Special modifications include: Core: ceramic, steatite or alumina, depending on physical size • Terminal configurations and materials Encapsulant: silicone molded construction • Resistance values and tolerances Housing: aluminum with hard anodic coating • Low resistance temperature coefficient (RTC) End Caps: stainless steel • Housing configuration Standard Terminals: For RHA005 through RHA050 size terminal finish - lead (Pb)-free is Ni/Pd/Au, finish is on copper clad steel core terminal • Threaded mounting holes • Preconditioning and other additional testing Part Marking: Dale, model, wattage, value, tolerance, date code PERFORMANCE TEST CONDITIONS OF TEST TEST LIMITS Thermal Shock Rated power applied until thermally stable, then a minimum of 15 min at -55 °C ± (0.5 % + 0.05 Ω) ΔR Short Time Overload 5 x rated power for 5 s ± (0.5 % + 0.05 Ω) ΔR Dielectric Withstanding Voltage 1000 VRMS for RHA005, RHA010, and RHA025; 2000 VRMS for RHA050 ± (0.2 % + 0.05 Ω) ΔR Temperature 250 °C for 2 h ± (0.5 % + 0.05 Ω) ΔR Moisture Resistance MIL-STD-202 method 106, 7b not applicable ± (1.0 % + 0.05 Ω) ΔR Shock, Specified Pulse MIL-STD-202 method 213, 100 g’s for 6 ms, 10 shocks ± (0.2 % + 0.05 Ω) ΔR Vibration, High Frequency Frequency varied 10 Hz to 2000 Hz, 20 g peak, 2 directions 6 h each ± (0.2 % + 0.05 Ω) ΔR Load Life 1000 h at rated power, +25 °C, 1.5 h “ON”, 0.5 h “OFF” ± (1.0 % + 0.05 Ω) ΔR Terminal Strength 30 s, 5 pound pull test for RHA005 and RHA010, 10 pound pull test for other sizes ± (0.2 % + 0.05 Ω) ΔR SHORT TERM ENERGY CAPABILITIES VS. RESISTANCE SHORT TERM (< 100 ms) ENERGY CAPABILITY (J) RESISTANCE VALUE (Ω) RHA005 RHA010 RHA025 RHA050 1 4.15 14.5 14.5 17.4 10 2.59 6.53 17 67.6 25 1.56 4.25 10.2 42.5 50 1.97 3.11 5.85 32.65 100 0.71 3.93 6.22 25.9 300 1.179 2.63 6.9 18.66 1000 0.59 1.44 3.93 14.2 Note • Contact factory for energy capability of resistance values not listed Revision: 02-Mar-2021 Document Number: 30406 4 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