HLW, NHLW
Vishay Dale
Wirewound Resistors, Industrial Power, Tubular
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)
• Compliant to RoHS Directive 2002/95/EC
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
HLW03
NHLW03
HLW05
NHLW05
HLW06
NHLW06
HLW10
NHLW10
HLW12
NHLW12
HLW15
NHLW15
HLW20
NHLW20
HISTORICAL
MODEL
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
POWER RATING
P
25 °C
W
3
5.25
8
10
12
15
20
RESISTANCE RANGE
±5%
1.0 to 6K
1.0 to 700
1.0 to 15K
1.0 to 1.9K
1.0 to 20.5K
1.0 to 2.7K
1.0 to 29K
1.0 to 3.7K
1.0 to 58K
1.0 to 3.9K
1.0 to 60K
1.0 to 4.3K
1.0 to 95K
1.0 to 6.8K
RESISTANCE RANGE
± 10 %
0.10 to 6K
1.0 to 700
0.10 to 15K
1.0 to 1.9K
0.10 to 20.5K
1.0 to 2.7K
0.10 to 29K
1.0 to 3.7K
0.10 to 58K
1.0 to 3.9K
0.10 to 58K
1.0 to 4.3K
0.10 to 95K
1.0 to 6.8K
WEIGHT (typical)
g
1.16
2.12
4.60
6.24
6.60
8.82
11.36
TECHNICAL SPECIFICATIONS
PARAMETER
Temperature Coefficient
Short Time Overload
Dielectric Withstanding Voltage
Maximum Working Voltage
Insulation Resistance
Operating Temperature Range
UNIT
ppm/°C
-
V
AC
V
°C
HLW RESISTOR CHARACTERISTICS
± 30 for 10
and above; ± 50 for 1
to 9.9
;
± 90 for 0.1
to 0.99
10 x rated power for 5 s
1000, from terminal to mounting hardware
(P x
R)
1/2
1000 M minimum dry, 100 M minimum after moisture test
- 55 to + 350
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: NHLW12A1Z10R00JF
N
H
GLOBAL
MODEL
L
W
1
2
A
1
Z
1
0
R
TOLERANCE
J
= ± 5.0 %
K
= ± 10.0 %
0
0
J
F
SPECIAL
(Dash Number)
(Up to 2 digits)
From
1 to 99
as applicable
TERMINAL
DESIGNATION
A1
A2
R1
R2
TERMINAL FINISH
E
= Lead (Pb)-free
Z
= Tin/lead
RESISTANCE
VALUE
R
= Decimal
K
= Thousand
10R00
= 10.0
1K000
= 1 k
PACKAGING CODE
E
= Lead (Pb)-free
foam pack
F
= Tin/lead foam
pack (F01)
NHLW12
(See “Standard
Electrical
Specifications”
table above for
additional P/N’s)
Historical Part Numbering example: NHLW-12-A1Z 10
5 % F01
NHLW-12
HISTORICAL MODEL
A1Z
TERMINAL/FINISH
10
RESISTANCE VALUE
5%
TOLERANCE
F01
PACKAGING
* Pb containing terminations are not RoHS compliant, exemptions may apply
** Please see document “Vishay Material Category Policy”:
www.vishay.com/doc?99902
www.vishay.com
1
For technical questions, contact:
ww2bresistors@vishay.com
Document Number: 30210
Revision: 18-Feb-11
HLW, NHLW
Wirewound Resistors, Industrial Power, Tubular
Vishay Dale
DIMENSIONS
in inches [millimeters]
D
B
A
Axial terminal
configuration
C
0.188 [4.76]
typ.
1.50 ± 0.125
[38.10 ±
3.18]
typ.
1.50 ± 0.125
[38.10 ±
3.18]
typ.
Radial terminal
configuration
GLOBAL
A
MODEL (MAX.)
HLW03
NHLW03
HLW05
NHLW05
0.297
[7.54]
0.344
[8.73]
B
TYP.
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]
C
± 0.031
[0.79]
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]
CORE DIMENSIONS
D
TYP.
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]
LENGTH
± 0.063
[1.59]
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]
O.D.
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]
RADIAL
AXIAL
TERMINAL
TERMINAL
I.D.
DESIGNATION DESIGNATION
± 0.031 [0.79]
0.125
[3.18]
0.125
[3.18]
0.188
[4.76]
7.94
[0.313]
4.76
[0.188]
7.94
[0.313]
7.94
[0.313]
A2Z
A2Z
A1Z
A1Z
A1Z
A1Z
A1Z
R2Z
R2Z
R1Z
R1Z
R1Z
R1Z
R1Z
BRACKET
TYPE
(1)
-
-
101, 204, 301
101, 203, 301
101, 204, 301
101, 203, 301
101, 203, 301
HLW06
0.406
NHLW06
[10.32]
HLW10
0.563
NHLW10
[14.28]
HLW12
0.406
NHLW12
[10.32]
HLW15
0.563
NHLW15
[14.29]
HLW20
0.563
NHLW20
[14.29]
Note
(1)
Brackets are available for mounting HLW series resistors - see “Mounting Hardware” section.
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
®
.
DERATING
RATED POWER IN %
120
100
80
60
40
20
MOUNTING HARDWARE
Mounting hardware is available for HLW resistors, see
“HL Brackets and Sliders” datasheet for more information:
www.vishay.com/doc?30279.
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 “E” terminals are tinned
Copperweld
®
Terminal Bands:
Steel
Part Marking:
Dale, model, wattage, value, tolerance, date
code
0
- 65 - 50
0
25
50
150
250
350
AMBIENT TEMPERATURE IN °C
Document Number: 30210
Revision: 18-Feb-11
For technical questions, contact:
ww2bresistors@vishay.com
www.vishay.com
2
Legal Disclaimer Notice
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical
requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree
to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and
damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay
or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to
obtain written terms and conditions regarding products designed for such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by
any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 11-Mar-11
www.vishay.com
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