RH, NH
www.vishay.com
Vishay Dale
Wirewound Resistors, Industrial Power,
Aluminum Housed, Chassis Mount
FEATURES
Molded construction for total environmental
protection
Complete welded construction
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
Excellent stability in operation (< 1 % change in
resistance)
MIL-PRF-18546 qualified, type RE resistors can
be found at: www.vishay.com/doc?30282
Material categorization: For definitions of
compliance please see www.vishay.com/doc?99912
Note
* Lead (Pb)-containing terminations are not RoHS-compliant. Exemptions may apply.
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) (Dash Number)
(See Standard K = Thousand B = 0.1 % E01 = Lead (Pb)-free, skin pack (RH100 and RH250) (up to 3 digits)
Electrical 15R00 = 15 C = 0.25 % From 1 to 999
C02 = Tin/lead, card pack (RH005 - RH050)
Specifications 10K00 = 10 k D = 0.5 % as applicable
J01 = Tin/lead, skin pack (RH100 and RH250)
Global Model F = 1.0 %
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: 22-Jun-12 Document Number: 30201
1
For technical questions, contact: ww2bresistors@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
Nickel plated
[4.78 0.254]
brass nut
3.50 0.031
1.812 0.031
Dia. typ.
stainless steel stud
[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: 22-Jun-12 Document Number: 30201
2
For technical questions, contact: ww2bresistors@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