Wirewound Resistors,
Industrial Power, Tubular
HLW, NHLW
Vishay Dale
www.vishay.com For technical questions, contact: ww2bresistors@vishay.com Document Number: 30210
84 Revision: 13-Jul-07
FEATURES
•High temperature silicon coating
•Complete welded construction
•Excellent for intermittent power and pulsing
applications
•Available in non-inductive styles (model
NHLW) with Aryton-Perry winding
•Axial or radial terminals for through hole or lead
weld applications
•Excellent stability in operation (< 3 % change in
resistance)
* Pb containing terminations are not RoHS compliant, exemptions may apply
Available
Pb-free
RoHS*
COMPLIANT
e3
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL HISTORICAL
MODEL POWER RATING P25 °C
W
RESISTANCE RANGE ΩWEIGHT (typical)
g
± 5 % ± 10 %
HLW03
NHLW03
HLW-3
NHLW-3 31.0 - 6K
1.0 - 700
0.10 - 6K
1.0 - 700 1.16
HLW05
NHLW05
HLW-5
NHLW-5 5.25 1.0 - 15K
1.0 - 1.9K
0.10 - 15K
1.0 - 1.9K 2.12
HLW06
NHLW06
HLW-6
NHLW-6 81.0 - 20.5K
1.0 - 2.7K
0.10 - 20.5K
1.0 - 2.7K 4.60
HLW10
NHLW10
HLW-10
NHLW-10 10 1.0 - 29K
1.0 - 3.7K
0.10 - 29K
1.0 - 3.7K 6.24
HLW12
NHLW12
HLW-12
NHLW-12 12 1.0 - 58K
1.0 - 3.9K
0.10 - 58K
1.0 - 3.9K 6.60
HLW15
NHLW15
HLW-15
NHLW-15 15 1.0 - 60K
1.0 - 4.3K
0.10 - 58K
1.0 - 4.3K 8.82
HLW20
NHLW20
HLW-20
NHLW-20 20 1.0 - 95K
1.0 - 6.8K
0.10 - 95K
1.0 - 6.8K 11.36
TECHNICAL SPECIFICATIONS
PARAMETER UNIT HLW RESISTOR CHARACTERISTICS
Temperature Coefficient ppm/°C ± 90 for 0.1 Ω to 0.99 Ω; ± 50 for 1 Ω to 9.9 Ω; ± 30 for 10 Ω and above
Dielectric Withstanding Voltage VAC 1000, from terminal to mounting hardware
Short Time Overload - 10 x rated power for 5 s
Maximum Working Voltage V (P x R)1/2
Insulation Resistance Ω1000 MΩ minimum dry, 100 MΩ minimum after moisture test
Operating Temperature Range °C - 55 to + 350
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: NHLW12A1Z10R00JF (preferred part number format)
GLOBAL
MODEL TERMINAL
DESIGNATION TERMINAL
FINISH RESISTANCE
VALUE TOLERANCE PACKAGING CODE SPECIAL
NHLW12 A1
A2
R1
R2
E = Lead
(Pb)-free
Z = Tin/lead
R = Decimal
K = Thousand
10R00 = 10.0 Ω
1K000 = 1 kΩ
J = ± 5.0 %
K = ± 10.0 %
E = Lead (Pb)-free foam pack
F = Tin/lead foam pack (F01)
(Dash Number)
(up to 2 digits)
From 1 - 99
as applicable
(See “Standard
Electrical
Specifications”
table above for
additional P/N’s)
Historical Part Number Example: NHLW-12-A1Z 10 Ω5 % F01 (will continue to be accepted)
NHLW-12 A1Z 10 Ω5 % F01
HISTORICAL MODEL TERMINAL/FINISH RESISTANCE VALUE TOLERANCE PACKAGING
HLW1 2A1Z10R00JFN
HLW, NHLW
Wirewound Resistors,
Industrial Power, Tubular Vishay Dale
Document Number: 30210 For technical questions, contact: ww2bresistors@vishay.com www.vishay.com
Revision: 13-Jul-07 85
DIMENSIONS in inches [millimeters]
TERMINAL FINISH
Terminals are 20 AWG for HLW03 and HLW05 size and 18 AWG for all other sizes. “E” Finish - 100 % Sn, coated Copperweld®.
“Z” Finish - 60/40 Sn/Pb coated Copperweld®.
MOUNTING HARDWARE DIMENSIONS in inches [millimeters]
MATERIAL SPECIFICATIONS
Element: Copper-nickel alloy of nickel-chrome alloy,
depending on resistance value
Core: Ceramic, steatite
Coating: Special high temperature silicone
Standard Terminals: Model “Z” terminals are tinned
Copperweld®
Terminal Bands: Steel
Part Marking: DALE, model, wattage, value, tolerance, date
code
GLOBAL
MODEL
A
(max.)
B
typ.
C
± 0.031
[0.79]
D
typ.
CORE DIMENSIONS AXIAL
TERMINAL
DESIGNATION
RADIAL
TERMINAL
DESIGNATION
MOUNTING
HARDWARE
LENGTH
± 0.063 [1.59] O.D. I.D.
± 0.031 [0.79]
HLW03 0.297 0.282 0.063 0.047 0.438 0.203 0.125 A2Z R2Z -
[7.54] [7.16] [1.59] [1.19] [11.11] [5.16] [3.18]
HLW05 0.344 0.469 0.063 0.047 0.625 0.250 0.125 A2Z R2Z -
[8.73] [11.91] [1.59] [1.19] [15.88] [6.35] [3.18]
HLW06 0.406 0.688 0.125 0.094 1.000 0.313 0.188 A1Z R1Z 101, 204, 301
[10.32] [17.48] [3.18] [2.38] [25.40] [7.94] [4.76]
HLW10 0.563 0.688 0.125 0.094 1.000 0.438 7.94 A1Z R1Z 101, 203, 301
[14.28] [17.48] [3.18] [2.38] [25.40] [11.11] [0.313]
HLW12 0.406 1.438 0.125 0.094 1.750 0.313 4.76 A1Z R1Z 101, 204, 301
[10.32] [36.53] [3.18] [2.38] [44.45] [7.94] [0.188]
HLW15 0.563 1.188 0.125 0.094 1.500 0.438 7.94 A1Z R1Z 101, 203, 301
[14.29] [30.18] [3.18] [2.38] [38.10] [11.11] [0.313]
HLW20 0.563 1.688 0.125 0.094 2.000 0.438 7.94 A1Z R1Z 101, 203, 301
[14.29] [42.88] [3.18] [2.38] [50.80] [11.11] [0.313]
Axial terminal
configuration
D C
A
1.50 ± 0.125
[38.10 ± 3.18] typ.
0.188 [4.76]
typ.
1.50 ± 0.125
[38.10 ± 3.18] typ.
Radial terminal
configuration
B
HORIZONTAL THRU-BOLT PUSH-IN VERTICAL THRU-BOLT
DIMENSION BRACKET TYPE
101
X1.063 [26.99]
Y0.500 [12.70] DIMENSION BRACKET TYPE
Z0.859 [21.83] 203 204
H1.000 [25.40] X0.625 [15.88] 0.375 [9.53] DIMENSION BRACKET TYPE
B1.375 [34.93] H0.672 [17.07] 0.281 [7.14] 301
C0.750 [19.05] Y0.250 [6.35] 0.250 [6.35] X
(Approximate)
0.438 [11.11]
MOUNTING
SLOT
0.219 x 0.438 Z0.469 [11.91] 0.344 [8.73]
[5.56 x 11.11] HOLE (Dia.) 0.161 [4.09] 0.144 [3.66] THREAD 8-32
Core length plus “X”
0.046
[1.17]
B
H
YZ
C
Core length
plus “X”
H
Y
Z
Threaded rod or screw
centering washer
Mica
washer
Lock washer
Nut 0.375 [9.52] min.
Core
length
plus “X”
Derating
%
N I R
E
W O
P
D
E T A R
AMBIENT TEMPERATURE IN
°
C
- 65 - 50 0 50 150 250 350
25
0
20
40
60
80
100
120
Document Number: 91000 www.vishay.com
Revision: 18-Jul-08 1
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