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 AyrtonPerry 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
POWER RATING (1)
P25 °C W
CHARACTERISTIC U + 250 °C
POWER RATING (1)
RESISTANCE
WEIGHT
TOLERANCE (2)
P25 °C W
RANGE
(typical)
%
CHARACTERISTIC V + 350 °C
Ω
g
ALSR01
ALSR-1
1
-
0.10 to 6.37K
1, 3, 5, 10
0.27
ALVR01
ALVR-1
1
-
0.10 to 6.37K
1, 3, 5, 10
0.27
ALSR03
ALSR-3
3
-
0.10 to 12K
1, 3, 5, 10
0.68
ALVR03
ALVR-3
3
-
0.10 to 12K
1, 3, 5, 10
0.68
ALSR5A
ALSR-5A
4
5
0.10 to 40.3K
1, 3, 5, 10
2.1
ALVR5A
ALVR-5A
4
5
0.10 to 40.3K
1, 3, 5, 10
2.1
ALSR05
ALSR-5
5
7
0.10 to 58.5K
1, 3, 5, 10
3.2
ALVR05
ALVR-5
5
7
0.10 to 58.5K
1, 3, 5, 10
3.2
ALSR10
ALSR-10
7
10
0.10 to 92K
1, 3, 5, 10
4.9
ALVR10
ALVR-10
7
10
0.10 to 92K
1, 3, 5, 10
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
3
2
5
R
0
0
F
E
1
2
N
I
GLOBAL MODEL
(6 digits)
VALUE
(5 digits)
TOLERANCE
(1 digit)
PACKAGING
(3 digits)
SPECIAL
(up to 2 digits)
(See Standard Electrical
Specifications Global
Model column for
options)
R = Decimal
K = Thousand
1R500 = 1.5 Ω
1K500 = 1.5 kΩ
F = ± 1.0 %
H = ± 3.0 %
J = ± 5.0 %
K = ± 10.0 %
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
(Dash Number)
From 1 to 99
as applicable
NI = Non-inductive
Historical Part Number example: ALSR-3-25-1 %-NI
ALSR-3
25 Ω
1%
NI
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE
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