RH, NH
Vishay Dale
www.vishay.com
Wirewound Resistors, Industrial Power,
Aluminum Housed, Chassis Mount
FEATURES
•
Molded construction for total environmental
protection
• Complete welded construction
• Meets applicable requirements
MIL-PRF-18546
of
• 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)
• MIL-PRF-18546 qualified, type RE resistors can
be found at: www.vishay.com/doc?30282
•
Compliant to RoHS Directive 2002/95/EC
Notes
* Pb containing terminations are not RoHS compliant, exemptions may apply
** Please see document “Vishay Material Category Policy”: www.vishay.com/doc?99902
STANDARD ELECTRICAL SPECIFICATIONS
RESISTANCE
RESISTANCE
RESISTANCE
RESISTANCE
POWER
WEIGHT
(typical)
g
GLOBAL
MODEL
HISTORICAL
MODEL
RANGE
RANGE
RANGE
RANGE
RATING
P
25 °C W
7.5
ꢀ0ꢀ5 %, ꢀ01 %
0.5 to 6.75K
0.5 to 2.32K
0.5 to 12.7K
0.5 to 4.45K
0.5 to 25.7K
0.5 to 9.09K
0.5 to 73.4K
0.5 to 26K
ꢀ025 %
0.1 to 8.6K
0.1 to 3.27K
0.1 to 16.69K
0.1 to 5.54K
0.1 to 32.99K
0.1 to 12.8K
0.1 to 96K
0.1 to 36.7K
0.1 to 90K
0.1 to 37.5K
0.1 to 116K
0.1 to 48.5K
ꢀ05 %
1 %, ꢁ %, 5 %
0.02 to 24.5K
0.05 to 12.75K
0.01 to 47.1K
0.05 to 23.5K
0.01 to 95.2K
0.05 to 47.6K
0.01 to 273K
0.05 to 136K
0.05 to 90K
RH005
NH005
RH010
NH010
RH025
NH025
RH050
NH050
RH100
NH100
RH250
NH250
RH-5
NH-5
0.05 to 8.6K
0.05 to 3.27K
0.05 to 16.69K
0.05 to 5.54K
0.05 to 32.99K
0.05 to 12.8K
0.05 to 96K
0.05 to 36.7K
0.05 to 90K
0.05 to 37.5K
0.05 to 116K
0.05 to 48.5K
3
3.3
6
8.8
13
16.5
28
7.5
RH-10
NH-10
RH-25
NH-25
RH-50
NH-50
RH-100
NH-100
RH-250
NH-250
12.5
12.5
25
25
50
50
35
100
100
250
250
0.5 to 90K
350
385
630
690
0.5 to 37.5K
0.5 to 116K
0.5 to 48.5K
0.05 to 37.5K
0.05 to 116K
0.05 to 48.5K
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
20 for 10 and above; 50 for 1 to 9.9 , 100 for 0.1 to 0.99
(P x R)1/2
10 000 M minimum dry, 1000 M minimum after moisture test
Meets requirements of ANSI J-STD-002
- 55 to + 250
Temperature Coefficient
Maximum Working Voltage
Insulation Resistance
Solderability
ppm/°C
V
-
Operating Temperature Range
°C
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: RHꢀꢀ54R125FCꢀ2
R
H
0
0
5
4
R
1
2
5
F
C
0
2
GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE
PACKAGING
SPECIAL
RHꢀꢀ5
(See Standard
Electrical
Specifications
Global Model
column for
options)
R = Decimal
K = Thousand
15Rꢀꢀ = 15
1ꢀKꢀꢀ = 10 k
A = 0.05 %
B = 0.1 %
C = 0.25 %
D = 0.5 %
F = 1.0 %
H = 3.0 %
J = 5.0 %
Eꢀ2 = Lead (Pb)-free, card pack (RH005 - RH050)
Eꢀ1 = Lead (Pb)-free, skin pack (RH100 and RH250)
(Dash Number)
(up to 3 digits)
From 1 to 999
as applicable
Cꢀ2 = Tin/lead, card pack (RH005 - RH050)
Jꢀ1 = Tin/lead, skin pack (RH100 and RH250)
Historical Part Numbering example: RH-5 40125 1 % Cꢀ2
RH-5
40125
1 %
Cꢀ2
PACKAGING
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE CODE
Revision: 23-Nov-11
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