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
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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
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Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
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Revision: 12-Mar-12
1
Document Number: 91000
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