ALSR, ALVR
www.vishay.com
Vishay Huntington
Wirewound Resistors, Commercial Power,
Silicone Coated, Axial Lead
FEATURES
• High temperature coating (> 350 °C)
• All welded construction
• Available with “vitreous like appearance”
coating as ALVR
• Available in non-inductive styles with Ayrton-
Perry winding for lowest reactive components,
special “NI”
• Material categorization:
For definitions of compliance please see
www.vishay.com/doc?99912
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL HISTORICAL
MODEL
MODEL
ALSR01
ALVR01
ALSR03
ALVR03
ALSR5A
ALVR5A
ALSR05
ALVR05
ALSR10
ALVR10
ALSR-1
ALVR-1
ALSR-3
ALVR-3
ALSR-5A
ALVR-5A
ALSR-5
ALVR-5
ALSR-10
ALVR-10
POWER RATING
(1)
P
25 °C
W
CHARACTERISTIC U + 250 °C
1
1
3
3
4
4
5
5
7
7
POWER RATING
(1)
RESISTANCE
WEIGHT
TOLERANCE
(2)
P
25 °C
W
RANGE
(typical)
%
CHARACTERISTIC V + 350 °C
Ω
g
-
-
-
-
5
5
7
7
10
10
0.10 to 6.37K
0.10 to 6.37K
0.10 to 12K
0.10 to 12K
0.10 to 40.3K
0.10 to 40.3K
0.10 to 58.5K
0.10 to 58.5K
0.10 to 92K
0.10 to 92K
1, 3, 5, 10
1, 3, 5, 10
1, 3, 5, 10
1, 3, 5, 10
1, 3, 5, 10
1, 3, 5, 10
1, 3, 5, 10
1, 3, 5, 10
1, 3, 5, 10
1, 3, 5, 10
0.27
0.27
0.68
0.68
2.1
2.1
3.2
3.2
4.9
4.9
Notes
(1)
Vishay Huntington ALSR/ALVR models have two power ratings depending on operation temperature and stability requirements. Models not
available for characteristic V are: ALSR01, ALVR01, ALSR03, and ALVR03
(2)
Other tolerances may be available, contact factory
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: ALSR0325R00FE12NI
A
L
S
R
0
VALUE
(5 digits)
3
2
5
R
0
0
F
E
1
2
N
I
GLOBAL MODEL
(6 digits)
(See Standard Electrical
Specifications Global
Model column for
options)
TOLERANCE
(1 digit)
F
= ± 1.0 %
H
= ± 3.0 %
J
= ± 5.0 %
K
= ± 10.0 %
PACKAGING
(3 digits)
E07
= Tape/reel
(ALSR5A/ALVR5A, ALSR05/ALVR05)
E08
= Tape/reel (ALSR01/ALVR01)
E29
= Tape/reel (ALSR10/ALVR10)
E48
= Tape/reel (ALSR03/ALVR03)
E12
= Bulk, 100 pc boxes
1%
TOLERANCE
SPECIAL
(up to 2 digits)
(Dash Number)
From
1
to
99
as applicable
NI
= Non-inductive
R
= Decimal
K
= Thousand
1R500
= 1.5
Ω
1K500
= 1.5 kΩ
Historical Part Number example: ALSR-3-25-1 %-NI
ALSR-3
HISTORICAL MODEL
25
Ω
RESISTANCE VALUE
NI
SPECIAL
Revision: 15-Mar-12
Document Number: 31800
1
For technical questions, contact:
ww2aresistors@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
ALSR, ALVR
www.vishay.com
DIMENSIONS
in inches [millimeters]
1.50 [38.10]
min.
L
D
LD
Vishay Huntington
GLOBAL MODEL
ALSR01
ALVR01
ALSR03
ALVR03
ALSR5A
ALVR5A
ALSR05
ALVR05
ALSR10
ALVR10
L
± 0.032 [0.813]
0.406 [10.31]
0.406 [10.31]
0.500 [12.70]
0.500 [12.70]
0.920 [23.37]
0.920 [23.37]
0.875 [22.23]
0.875 [22.23]
1.730 [43.94]
1.730 [43.94]
DIMENSIONS
in inches [millimeters]
D
± 0.032 [0.813]
0.110 [2.79]
0.110 [2.79]
0.180 [4.57]
0.180 [4.57]
0.200 [5.08]
0.200 [5.08]
0.312 [7.92]
0.312 [7.92]
0.312 [7.92]
0.312 [7.92]
LD
± 0.002 [0.051]
0.020 [0.508]
0.020 [0.508]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
MATERIAL SPECIFICATIONS
Element:
Copper-nickel alloy or nickel-chrome alloy,
depending on resistance value
Core:
Ceramic: Steatite or alumina, depending on physical
size
End Caps:
Stainless steel
Coating:
Special high temperature silicone or special
formula of “vitreous like appearance” coating on ALVR
Terminals:
Tinned Copper clad steel
Part Marking:
HEI, model, value, tolerance, date code
DERATING
RATED POWER IN %
120
100
80
60
40
20
0
- 50
- 65
0
25
Characteristic V
Characteristic U
50
100
150
200
250
300
350
AMBIENT TEMPERATURE IN °C
TECHNICAL SPECIFICATIONS
PARAMETER
Temperature Coefficient
Terminal Strength
Dielectric Withstanding Voltage
Operating Temperature Range
Maximum Working Voltage
UNIT
ppm/°C
lb
V
AC
°C
V
RESISTOR CHARACTERISTICS
± 30 for 10
Ω
and above; ± 50 for 1
Ω
to 9.9
Ω;
± 90 for 0.5
Ω
to 0.99
Ω
10 minimum
500 for 1 W and 1000 for 3 W and above
Characteristic U = - 65 to + 250, characteristic V = - 65 to + 350
(P x
R)
1/2
PERFORMANCE
TEST
Thermal Shock
Short Time Overload
Dielectric Withstanding
Voltage
Low Temperature Storage
High Temperature Exposure
Mechanical Shock
Vibration
Load Life
Moisture Resistance
Revision: 15-Mar-12
CONDITIONS OF TEST
Rated power applied until thermally stable, then a minimum of 15 min at - 55 °C
5 x rated power (3 W and smaller), 10 x rated power (4 W and larger) for 5 s
500 V
RMS
, 1 min for 1 W and 1000 V
RMS
, 1 min for 3 W and above
- 65 °C for 24 h
250 h at U = + 250 °C, V = + 350 °C
MIL-STD-202 method 213, 100
g’s
for 6 ms, 10 shocks
Frequency varied 10 Hz to 2000 Hz, 20
g
peak, 2 directions 6 h each
2000 h at rated power, + 25 °C, 1.5 h “ON”, 0.5 h “OFF”
MIL-STD-202 method 106, 7b not applicable
TEST LIMITS
(CHARACTERISTIC V)
± (2.0 % + 0.05
Ω)
>
ΔR
± (2.0 % + 0.05
Ω)
>
ΔR
± (0.1 % + 0.05
Ω)
>
ΔR
± (2.0 % + 0.05
Ω)
>
ΔR
± (4.0 % + 0.05
Ω)
>
ΔR
± (0.2 % + 0.05
Ω)
>
ΔR
± (0.2 % + 0.05
Ω)
>
ΔR
± (3.0 % + 0.05
Ω)
>
ΔR
± (2.0 % + 0.05
Ω)
>
ΔR
Document Number: 31800
2
For technical questions, contact:
ww2aresistors@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
Legal Disclaimer Notice
www.vishay.com
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.
Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Revision: 12-Mar-12
1
Document Number: 91000
Embedded System
京公网安备 11010802033920号
EEWORLD
