RH005 VISHAY | Alldatasheet
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www.vishay.com For technical questions , contact: ww2bresistors@vishay.com Document Number: 30201 RH, NH Vishay Dale Wirewound Resistors, Military, MIL-PRF-18546 Qualified, Type RE, Aluminum Housed, Chassis Mount
FEATURES
- Molded construction fo r total environmental protection
- Complete welded construction
- Meets applicable requirements of MIL-PRF-18546
- Available in non-inductive styles (type NH) with Aryton-Perry winding for lowest reactive components
- Mounts on chassis to utilize heat-sink effect
- Excellent stability in operation (< 1 % change in resistance) Note
- Figures in parentheses on RH-5 and RH-10 i ndicate wattage printed on parts, new construc tion allows these resistors to be rate d at higher wattage but will only be printed with the higher wattage on customer request * Pb containing terminations are not RoHS compliant, exemptions may apply Available Pb-free RoHS* COMPLIANT STANDARD ELECTRICAL SPECIFICATIONS GLOBAL MODEL HISTORICAL MODEL MIL-PRF- 18546 TYPE POWER RATING P25 °C W RESISTANCE RANGE MIL. RANGE SHOWN IN BOLD FACE Ω WEIGHT (typical) g RH005 RH-5 - RE60G 7.5 (5) 5 0.5 - 6.75K 0.1 - 8.6K 0.05 - 8.6K 0.02 - 24.5K 0.10 - 3.32K 3 NH005 NH-5 - RE60N 7.5 (5) 5 0.5 - 2.32K 0.1 - 3.27K 0.05 - 3.27K 0.05 - 12.75K 1.0 - 1.65K 3.3 RH010 RH-10 - RE65G 12.5 (10) 10 0.5 - 12.7K 0.1 - 16.69K 0.05 - 16.69K 0.01 - 47.1K 0.10 - 5.62K 6 NH010 NH-10 - RE65N 12.5 (10) 10 0.5 - 4.45K 0.1 - 5.54K 0.05 - 5.54K 0.05 - 23.5K 1.0 - 2.8K 8.8 RH025 RH-25 - RE70G 25 20 0.5 - 25.7K 0.1 - 32.99K 0.05 - 32.99K 0.01 - 95.2K 0.10 - 12.1K 13 NH025 NH-25 - RE70N 25 20 0.5 - 9.09K 0.1 - 12.8K 0.05 - 12.8K 0.05 - 47.6K 1.0 - 6.04K 16.5 RH050 RH-50 - RE75G 50 30 0.5 - 73.4K 0.1 - 96K 0.05 - 96K 0.01 - 273K 0 .10 - 39.2K 28 NH050 NH-50 - RE75N 50 30 0.5 - 26K 0.1 - 36.7K 0.05 - 36.7K 0.05 - 136K 1.0 - 19.6K 35 RH100 RH-100 - RE77G 100 75 0.5 - 90K 0.1 - 90K 0.05 - 90K 0.05 - 90K 0.05 - 29.4K 350 NH100 NH-100 - RE77N 100 75 0.5 - 37.5K 0.1 - 37.5K 0.05 - 37.5K 0.05 - 37.5K 1.0 - 14.7K 385 RH250 RH-250 - RE80G 250 120 0.5 - 116K 0.1 - 116K 0.05 - 116K 0.05 - 116K 0.10 - 35.7K 630 NH250 NH-250 - RE80N 250 120 0.5 - 48.5K 0.1 - 48.5K 0.05 - 48.5K 0.05 - 48.5K 1.0 - 17.4K 690 GLOBAL PART NUMBER INFORMATION New Global Part Numbering: RH0054R125FC02 (preferred part number format) GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING SPECIAL RH005 (See “Standard Electrical Specifications” table above for additional P/N’s) L = Milliohm R = Decimal K = Thousand 8L000 = 0.008 Ω 15R00 = 15 Ω A = 0.05 % B = 0.1 % C = 0.25 % D = 0.5 % F = 1.0 % E02 = Lead (Pb)-free, card pack (RH005 - RH050) E01 = Lead (Pb)-free, skin pack (RH100 and RH250) Lead (Pb)-free is not available on RE military type (Dash Number) (up to 3 digits) From 1 - 999 as applicableC02 = Tin/lead, card pack (RH005 - RH050) J01 = Tin/lead, skin pack (RH100 and RH250) Historical Part Number Example: RH-5 4.125 Ω 1 % C02 (will continue to be accepted) RH-5 4.125 Ω 1 % C02 HISTORICAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING H0054R125 R FC02
Document Number: 30201 For technical ques tions, contact: ww2bresistors@vishay.com www.vishay.com Revision: 11-Jul-07 155 RH, NH Wirewound Resistors, Military, MIL-PRF-18546 Qualified, Type RE, Aluminum Housed, Chassis Mount Vishay Dale DIMENSIONS in inches [millimeters] DIMENSIONS in inches [millimeters] P D C A L M N J F E H G K B MODEL DIMENSIONS in inches [millimeters] AB C DEFGHJKLMNP RH-5 NH-5 0.444 ± 0.005 [11.28 ± 0.127] 0.490 ± 0.005 [12.45 ± 0.127] 0.600 ± 0.030 [15.24 ± 0.787] 1.125 ± 0.062 [28.58 ± 1.57] 0.334 ± 0.015 [8.48 ± 0.381] 0.646 ± 0.015 [16.41 ± 0.381] 0.320 ± 0.015 [8.13 ± 0.381] 0.065 ± 0.010 [1.65 ± 0.254] 0.133 ± 0.010 [3.38 ± 0.254] 0.078 ± 0.010 [1.98 ± 0.254] 0.093 ± 0.005 [2.36 ± 0.127] 0.078 ± 0.015 [1.98 ± 0.381] 0.050 ± 0.005 [1.27 ± 0.127] 0.266 ± 0.062 [6.76 ± 1.57] RH-10 NH-10 0.562 ± 0.005 [14.27 ± 0.127] 0.625 ± 0.005 [15.88 ± 0.127] 0.750 ± 0.031 [19.05 ± 0.787] 1.375 ± 0.062 [34.93 ± 1.57] 0.420 ± 0.015 [10.67 ± 0.381] 0.800 ± 0.015 [20.32 ± 0.381] 0.390 ± 0.015 [9.91 ± 0.381] 0.075 ± 0.010 [1.91 ± 0.254] 0.165 ± 0.010 [4.19 ± 0.254] 0.093 ± 0.010 [2.36 ± 0.254] 0.094 ± 0.005 [2.39 ± 0.127] 0.102 ± 0.015 [2.59 ± 0.381] 0.085 ± 0.005 [2.16 ± 0.127] 0.312 ± 0.062 [7.92 ± 1.57] RH-25 NH-25 0.719 ± 0.005 [18.26 ± 0.127] 0.781 ± 0.005 [19.84 ± 0.127] 1.062 ± 0.031 [26.97 ± 0.787] 1.938 ± 0.062 [49.23 ± 1.57] 0.550 ± 0.015 [13.97 ± 0.381] 1.080 ± 0.015 [27.43 ± 0.381] 0.546 ± 0.015 [13.87 ± 0.381] 0.075 ± 0.010 [1.91 ± 0.254] 0.231 ± 0.010 [5.87 ± 0.254] 0.172 ± 0.010 [4.37 ± 0.254] 0.125 ± 0.005 [3.18 ± 0.127] 0.115 ± 0.015 [2.92 ± 0.381] 0.085 ± 0.005 [2.16 ± 0.127] 0.438 ± 0.062 [11.13 ± 1.57] RH-50 NH-50 1.562 ± 0.005 [39.67 ± 0.127] 0.844 ± 0.005 [21.44 ± 0.127] 1.968 ± 0.031 [49.99 ± 0.787] 2.781 ± 0.062 [70.64 ± 1.57] 0.630 ± 0.015 [16.00 ± 0.381] 1.140 ± 0.015 [28.96 ± 0.381] 0.610 ± 0.015 [15.49 ± 0.381] 0.088 ± 0.010 [2.24 ± 0.254] 0.260 ± 0.010 [6.60 ± 0.254] 0.196 ± 0.010 [4.98 ± 0.254] 0.125 ± 0.005 [3.18 ± 0.127] 0.107 ± 0.015 [2.72 ± 0.381] 0.085 ± 0.005 [2.16 ± 0.127] 0.438 ± 0.062 [11.13 ± 1.57] RH-250, NH-250 RH-100, NH-100 2.25 ± 0.010 [57.15 ± 0.254] 0.989 ± 0.031 [25.12 ± 0.787] 2.812 ± 0.031 [71.42 ± 0.787] 3.50 ± 0.031 [88.90 ± 0.787] Nickel plated brass nut stainless steel stud 1.125 ± 0.031 [28.58 ± 0.787] 0.188 ± 0.010 [4.78 ± 0.254] Dia. typ. 12 - 24 UNC-2A Thd. typ. 2.75 ± 0.010 [69.85 ± 0.254] 0.375 ± 0.031 [9.52 ± 0.787] 5.478 ± 0.093 [139.14 ± 2.36] 1.75 ± 0.031 [44.45 ± 0.787] 55.58 ± 0.787 [2.188 ± 0.031] 2.125 ± 0.031 [53.98 ± 0.787] 0.250 ± 0.031 [6.35 ± 0.787] typ. 4.50 ± 0.031 [114.30 ± 0.787] 2.50 ± 0.010 [63.50 ± 0.254] 0.875 ± 0.010 [22.23 ± 0.254] 3.0 ± 0.010 [76.20 ± 0.254] 3.875 ± 0.010 [98.42 ± 0.254] 0.770 ± 0.015 [19.56 ± 0.381] 0.188 ± 0.031 [4.78 ± 0.787] typ. 1.812 ± 0.031 [46.02 ± 0.787] 0.312 ± 0.031 [7.92 ± 0.787] 1.25 ± 0.062 [31.75 ± 1.575] 1.25 ± 0.062 [31.75 ± 1.575] 1/4 - 20 UNC-2A thd. typ. 0.955 ± 0.015 [24.26 ± 0.381] 3.0 ± 0.031 [76.20 ± 0.787] Nickel plated brass nut stainless steel stud 0.188 ± 0.010 [4.78 ± 0.254] Dia. typ.
www.vishay.com For technical questions , contact: ww2bresistors@vishay.com Document Number: 30201 RH, NH Vishay Dale Wirewound Resistors, Military, MIL-PRF-18546 Qualified, Type RE, Aluminum Housed, Chassis Mount POWER RATING Vishay RH resistor wattage ratings are based on mounting to the following heat sink: RH-5 and RH-10: 4" x 6" x 2" x 0.040" thick aluminum chassis (129 sq. in. surface area) RH-25: 5" x 7" x 2" x 0.040" thick aluminum chassis (167 sq. in. surface area) RH-50: 12" x 12" x 0.059" thick aluminum panel (291 sq. in. surface area) RH-100 and RH-250: 12" x 12" x 0.125" thick aluminum panel (294 sq. in. surface area) 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 = RH-5 and RH-10 size resistor, unmounted B = RH-25 size resistor, unmounted C = RH-50, RH-100 and RH-250 size resistor, unmounted D = All types mounted to recommended aluminum heat sink REDUCED HEAT SINK DERATING: Derating is also required when recommended heat sink area is reduced. A = RH-5 and RH-10 size resistor B = RH-25 size resistor C = RH-50, RH-100 and RH-250 size resistor TECHNICAL SPECIFICATIONS PARAMETER UNIT RH RESISTOR CHARACTERISTICS Temperature Coefficient ppm/°C ± 100 for 0.1 Ω to 0.99 Ω, ± 50 for 1 Ω to 9.9 Ω, ± 20 for 10 Ω and above Dielectric Withstanding Voltage VAC 1000 for RH/5, RH-10 and RH/25, 2000 for RH/50, 4500 for RH/100 and RH/250 Short Time Overload - 5 × rated power for 5 s Maximum Working Voltage V (P x R)1/2 Insulation Resistance Ω 10 000 MΩ minimum dry, 1000 MΩ minimum after moisture test Terminal Strength lb 5 minimum for RH- 5 and RH-10, 10 minimum for all others Solderability - MIL-PRF-18546 type - meet s requirements of ANSI J-STD-002 Operating Temperature Range °C - 55 to + 250 % NI RE WOP DETAR Derating - 55 - 50 0 50 150 250 AMBIENT TEMPERATURE IN °C 120 A C D B 100 100 0 02 0 4 0 6 0 801 0 0 % OF RECOMMENDED HEAT SINK AREA % NI RE WOP DETAR Heat Sink Derating A C B
Document Number: 30201 For technical ques tions, contact: ww2bresistors@vishay.com www.vishay.com Revision: 11-Jul-07 157 RH, NH Wirewound Resistors, Military, MIL-PRF-18546 Qualified, Type RE, Aluminum Housed, Chassis Mount Vishay Dale MATERIAL SPECIFICATIONS Element: Copper-nickel alloy or nickel-chrome alloy, depending on resistance value Core: Ceramic, steatite or alumina, depending on physical size Encapsulant: Silicone molded construction Housing: Aluminum with hard anodic coating End Caps: Stainless steel Standard Terminals: For RH-5 through RH-50 size terminal finish - Tin/lead is 60/40 Sn/Pb w/Nickel underplate and Lead (Pb)-free is Ni/Pd/Au, finish is on copper clad steel core terminal. For RH-100 and RH-250 terminals are threaded stainless steel. Note: Military (RE) parts are only available with tin/lead finish Part Marking: DALE, model, wattage, value, tolerance, date code NH NON-INDUCTIVE Models of equivalent physical and electrical specifications are available with non-inductive (Aryton-Perry) winding. They are identified by substituting the letter N for R in the model number (NH-5, for example). SPECIAL MODIFICATIONS A number of special modifications to the aluminum housed resistor style are available upon request. Special modifications include:
- Terminal configurations and materials
- Resistance values and tolerances
- Low resistance temperature coefficient (RTC)
- Housing configuration
- Threaded mounting holes
- Preconditioning and other additional testing APPLICABLE MIL SPECIFICATIONS MIL-PRF-18546 is the military specification covering aluminum housed, chassis mount, power resistors. VISHAY RH and NH resistors are listed as qualified on the MIL-PRF-18546 QPL. 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 RH-5, RH-10 and RH-25; 2000 Vrms for RH-50
4500 Vrms for RH-100 and RH-250; duration 1 min ± (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 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 RH-5 and RH-10, 10 pound pull test for other sizes, torque test - 24 pound inch for RH-100 and 32 pound inch for RH-250 ± (0.2 % + 0.05 Ω) ΔR
Document Number: 91000 www.vishay.com Revision: 18-Jul-08 1 Disclaimer Legal Disclaimer Notice Vishay All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product. Vishay disclaims any and all li ability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permit ted by law. The product specifications do not expand or otherwise modify Vishay’s terms and conditions of purcha se, including but not limited to the warranty expressed therein, which apply to these products. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. The products shown herein are not designed for use in medi cal, life-saving, or life-sustaining applications unless otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. Product names and markings noted herein may be trademarks of their respective owners.