HLW, NHLW
Vishay Dale
Wirewound Resistors,
Industrial Power, Tubular
FEATURES
• High temperature silicon coating
• Complete welded construction
• High thermal capacity for intermittent or short duration
• Available in non-inductive styles (model NHLW) with
Aryton-Perry winding for lowest reactive components
• Axial or radial terminals for through hole or lead weld
applications
• Excellent stability in operation
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
POWER RATING
P
25
°
C
W
HLW-3
NHLW-3
HLW-5
NHLW-5
HLW-6
NHLW-6
HLW-10
NHLW-10
HLW-12
NHLW-12
HLW-15
NHLW-15
HLW-20
NHLW-20
3
5.25
8
10
12
15
20
RESISTANCE RANGE
Ω
WEIGHT
(Typical)
g
1.16
2.12
4.60
6.24
6.60
8.82
11.36
±
5%
1.0 - 6K
1.0 - 700
1.0 - 15k
1.0 - 1.9k
1.0 - 20.5k
1.0 - 2.7k
1.0 - 29k
1.0 - 3.7k
1.0 - 58k
1.0 - 3.9k
1.0 - 60k
1.0 - 4.3k
1.0 - 95k
1.0 - 6.8k
±
10%
0.10 - 6K
1.0 - 700
0.10 - 15K
1.0 - 1.9K
0.10 - 20.5K
1.0 - 2.7K
0.10 - 29K
1.0 - 3.7K
0.10 - 58K
1.0 - 3.9K
0.10 - 58K
1.0 - 4.3K
0.10 - 95K
1.0 - 6.8K
TECHNICAL SPECIFICATIONS
PARAMETER
Temperature Coefficient
Dielectric Withstanding Voltage
Short Time Overload
Maximum Working Voltage
Insulation Resistance
Operating Temperature Range
UNIT
ppm/°C
V
AC
-
V
Ω
°C
HLW RESISTOR CHARACTERISTICS
±
90 for 0.1Ω to 0.99Ω;
±
50 for 1Ω to 9.9Ω;
±
30 for 10Ω and above
1000, from terminal to mounting hardware
10 x rated power for 5 seconds
(P x R)
1/2
1000 Megohm minimum dry, 100 Megohm minimum after moisture test
- 55 / + 350
ORDERING INFORMATION
HLW-12
MODEL
A1
TERMINAL
Z
TERMINAL FINISH
10
Ω
RESISTANCE
Ω
5%
TOLERANCE
±
%
www.vishay.com
64
For technical questions, contact ww2bresistors@vishay.com
Document Number: 30210
Revision 28-Mar-02
HLW, NHLW
Wirewound Resistors, Industrial Power, Tubular
DIMENSIONS
in inches [millimeters]
D
B
1.50
±
.125
[38.10
±
3.18] TYP.
RADIAL TERMINAL
CONFIGURATION
A
AXIAL TERMINAL
CONFIGURATION
C
Vishay Dale
0.188 [4.76]
TYP.
1.50
±
0.125
[38.10
±
3.18] TYP
MODEL
HLW-3
A
(Max.)
CORE DIMENSIONS
AXIAL TERMINAL RADIAL TERMINAL MOUNTING
B
C
D
LENGTH
0.D.
I.D.
Typical
±
0.031 [0.79] Typical
±
0.063 [1.59]
DESIGNATION HARDWARE
±
0.031 [0.79] DESIGNATION
0.282
[7.16]
0.469
[11.91]
0.688
[17.48]
0.688
[17.48]
1.438
[36.53]
1.188
[30.18]
1.688
[42.88]
0.063
[1.59]
0.063
[1.59]
0.125
[3.18]
0.125
[3.18]
0.125
[3.18]
0.125
[3.18]
0.125
[3.18]
0.047
[1.19]
0.047
[1.19]
0.094
[2.38]
0.094
[2.38]
0.094
[2.38]
0.094
[2.38]
0.094
[2.38]
0.438
[11.11]
0.625
[15.88]
1.000
[25.40]
1.000
[25.40]
1.750
[44.45]
1.500
[38.10]
2.000
[50.80]
0.203
[5.16]
0.250
[6.35]
0.313
[7.94]
0.438
[11.11]
0.313
[7.94]
0.438
[11.11]
0.438
[11.11]
0.125
[3.18]
0.125
[3.18]
0.188
[4.76]
0.313
[7.94]
0.188
[4.76]
0.313
[7.94]
0.313
[7.94]
A2Z
A2Z
A1Z
A1Z
A1Z
A1Z
A1Z
R2Z
R2Z
R1Z
R1Z
R1Z
R1Z
R1Z
-
-
101, 204, 301
101, 203, 301
101, 204, 301
101, 203, 301
101, 203, 301
0.297
[7.54]
HLW-5
0.344
[8.73]
HLW-6
0.406
[10.32]
HLW-10
0.563
[14.29]
HLW-12
0.406
[10.32]
HLW-15
0.563
[14.29]
HLW-20
0.563
[14.29]
TERMINAL FINISH
Terminals are 20 AWG for HLW-3 & HLW-5 Size and 18 AWG for all other sizes. Standard finish for terminals is tinned
solder finish (Z), optional bare 180 alloy terminals (W) are available.
MOUNTING HARDWARE DIMENSIONS
in inches [millimeters]
Horizontal Thru-Bolt
Push-In
Vertical Thru-Bolt
Threaded Rod or Screw
Centering Washer
Mica
Washer
Y
C
.046 [1.17]
Z
H
B
Z
H
Core Length Plus “X”
Core
Length
Plus “X”
Lock Washer
Nut
0.375 [9.52] Min.
Y
DIMENSION
X
Y
Z
H
B
C
MOUNTING
SLOT
BRACKET TYPE
101
1.063 [26.99]
0.500 [12.70]
0.859 [21.83]
1.000 [25.40]
1.375 [34.93]
0.750 [19.05]
0.219 x 0.438
[5.56] x [11.11]
Core Length
Plus “X”
DIMENSION
X
H
Y
Z
HOLE
(Dia)
BRACKET TYPE
203
204
0.625 [15.88] 0.375 [9.53]
0.672 [17.07] 0.281 [7.14]
0.250 [6.35]
0.250 [6.35]
0.469 [11.91] 0.344 [8.73]
0.161 [4.09]
0.144 [3.66]
RATED POWER IN %
120
100
80
60
40
20
0
-65 -50
0
DIMENSION
X
(Approximate)
THREAD
BRACKET TYPE
301
0.438 [11.11]
8-32
MATERIAL SPECIFICATIONS
Element:
Copper-nickel alloy or 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
Document Number: 30210
Revision 28-Mar-02
Derating
25
50
150
250
350
AMBIENT TEMPERATURE IN
°
C
For technical questions, contact ww2bresistors@vishay.com
www.vishay.com
65
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