RH, NH
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Vishay Dale
Wirewound Resistors, Industrial Power,
Aluminum Housed, Chassis Mount
FEATURES
Molded construction for total environmental
protection
Complete welded construction
Available
Meets applicable requirements of MIL-PRF-18546
Available in non-inductive styles (type NH) with
Ayrton-Perry winding for lowest reactive
components
Mounts on chassis to utilize heat-sink effect
Available
Excellent stability in operation (< 1 % change in
resistance)
click logo to get started MIL-PRF-18546 qualified, type RE resistors can Available
DESIGN SUPPORT TOOLS
be found at: www.vishay.com/doc?30282
Material categorization:
Available
for definitions of compliance please see
Models
Available
www.vishay.com/doc?99912
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
RESISTANCE RESISTANCE RESISTANCE RESISTANCE
POWER WEIGHT
GLOBAL HISTORICAL
RANGE RANGE RANGE RANGE
RATING (typical)
MODEL MODEL
P W g
0.05 %, 0.1 % 0.25 % 0.5 % 1 %, 3 %, 5 %
25 C
RH005 RH-5 7.5 0.5 to 6.75K 0.1 to 8.6K 0.05 to 8.6K 0.02 to 24.5K 3
NH005 NH-5 7.5 0.5 to 2.32K 0.1 to 3.27K 0.05 to 3.27K 0.05 to 12.75K 3
RH010 RH-10 12.5 0.5 to 12.7K 0.1 to 16.69K 0.05 to 16.69K 0.01 to 47.1K 5
NH010 NH-10 12.5 0.5 to 4.45K 0.1 to 5.54K 0.05 to 5.54K 0.05 to 23.5K 5
RH025 RH-25 25 0.5 to 25.7K 0.1 to 32.99K 0.05 to 32.99K 0.01 to 95.2K 12
NH025 NH-25 25 0.5 to 9.09K 0.1 to 12.8K 0.05 to 12.8K 0.05 to 47.6K 12
RH050 RH-50 50 0.5 to 73.4K 0.1 to 96K 0.05 to 96K 0.01 to 273K 28
NH050 NH-50 50 0.5 to 26K 0.1 to 36.7K 0.05 to 36.7K 0.05 to 136K 28
RH100 RH-100 100 0.5 to 90K 0.1 to 90K 0.05 to 90K 0.05 to 90K 353
NH100 NH-100 100 0.5 to 37.5K 0.1 to 37.5K 0.05 to 37.5K 0.05 to 37.5K 353
RH250 RH-250 250 0.5 to 116K 0.1 to 116K 0.05 to 116K 0.05 to 116K 637
NH250 NH-250 250 0.5 to 48.5K 0.1 to 48.5K 0.05 to 48.5K 0.05 to 48.5K 637
Note
RH005 and NH005 printed with 5 W power rating. RH010 and NH010 printed with 10 W power rating. New construction allows these
resistors to be rated at higher wattage but will only be printed with the higher wattage upon customer request
TECHNICAL SPECIFICATIONS
PARAMETER UNIT RH 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: RH0054R125FC02
R H 00 54 R 1 2 5F C 0 2
GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING SPECIAL
RH005 R = decimal A = 0.05 % E02 = lead (Pb)-free, card pack (RH005 - RH050)
(see Standard K = thousand B = 0.1 % E01 = lead (Pb)-free, skin pack (RH100 and RH250)
(dash number)
Electrical 15R00 = 15 C = 0.25 %
(up to 3 digits)
C02 = tin / lead, card pack (RH005 - RH050)
Specifications 10K00 = 10 k D = 0.5 %
J01 = tin / lead, skin pack (RH100 and RH250) from 1 to 999
Global Model F = 1.0 %
as applicable
column for H = 3.0 %
options) J = 5.0 %
Historical Part Numbering example: RH-5 4.125 1 % C02
RH-5 4.125 1 % C02
HISTORICAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING
Revision: 14-Nov-17 Document Number: 30201
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
RH, NH
www.vishay.com
Vishay Dale
DIMENSIONS in inches [millimeters]
D
RH005, 010, 025, 050
C F
M
NH005, 010, 025, 050
A E
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
RH005
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
NH005 [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
0.420
0.562 0.625 0.750 1.375
RH010 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
[10.67
NH010 [14.27 [15.88 [19.05 [34.93 [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
RH025 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
NH025 [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 1.968 2.781 0.630 1.140 0.610 0.088 0.260 0.196 0.125 0.107 0.085 0.438
0.844
RH050 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
NH050 [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]
DIMENSIONS in inches [millimeters]
RH100, NH100
0.188 0.010
Stainless steel
[4.78 0.254]
3.50 0.031
nut and stud
1.812 0.031
Dia. typ.
[88.90 0.787]
[46.02 0.787]
1.125 0.031
[28.58 0.787]
2.812 0.031
1.75 0.031
[71.42 0.787]
[44.45 0.787]
2.25 0.010
[57.15 0.254]
0.375 0.031
[9.52 0.787]
0.989 0.031 0.188 0.031
12 - 24 0.770 0.015
[25.12 0.787] [4.78 0.787]
UNC-2A [19.56 0.381]
2.75 0.010
typ.
Thd. typ.
[69.85 0.254]
5.478 0.093
[139.14 2.36]
RH250, NH250
0.188 0.010
[4.78 0.254]
1/4 - 20
Dia. typ.
Nickel plated
2.125 0.031
UNC-2A thd. typ.
brass nut
[53.98 0.787]
4.50 0.031
stainless steel stud
[114.30 0.787]
1.25 0.062
[31.75 1.575]
3.0 0.031 2.188 0.031
[76.20 0.787] [55.58 0.787]
2.50 0.010
[63.50 0.254]
0.875 0.010
0.250 0.031 0.955 0.015
1.25 0.062
[22.23 0.254]
[6.35 0.787] [24.26 0.381]
0.312 0.031
[31.75 1.575]
3.0 0.010
typ.
[7.92 0.787]
[76.20 0.254]
3.875 0.010
[98.42 0.254]
7.0 0.093 [177.80 2.36]
Revision: 14-Nov-17 Document Number: 30201
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