ALSR [VISHAY]
High temperature coating;ALSR, ALVR
Vishay Huntington
www.vishay.com
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
POWER RATING (1)
POWER RATING (1)
P25 °C
CHARACTERISTIC U +250 °C CHARACTERISTIC V +350 °C
RESISTANCE
RANGE
WEIGHT
(typical)
g
GLOBAL HISTORICAL
TOLERANCE (2)
%
P25 °C
W
W
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
1
1
3
3
4
4
5
5
7
7
-
-
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
-
-
5
5
2.1
7
3.2
7
3.2
10
10
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.
Other tolerances may be available, contact factory.
(2)
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
1K500 = 1.5 k
F = 1.0 ꢀ
H = 3.0 ꢀ
J = 5.0 ꢀ
K = 10.0 ꢀ
E07 = tape / reel
(dash number)
from 1 to 99
(ALSR5A / ALVR5A, ALSR05 / ALVR05)
E08 = tape / reel (ALSR01 / ALVR01)
E29 = tape / reel (ALSR10 / ALVR10)
E48 = tape / reel (ALSR03 / ALVR03)
E70 = tape / reel, 1K pieces
as applicable
NI = non-inductive
(smaller than ALSR05 / ALVR05)
E73 = tape / reel, 500 pieces
E12 = bulk, 100 pc boxes
Historical Part Number example: ALSR-3-25-1 %-NI
ALSR-3
25
1 %
NI
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE
SPECIAL
Revision: 18-Feb-16
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
Vishay Huntington
www.vishay.com
DIMENSIONS in inches [millimeters]
D
1.50 [38.10]
min.
L
LD
DIMENSIONS in inches [millimeters]
GLOBAL MODEL
L
D
LD
0ꢀ032 ꢁ0ꢀ813ꢂ
0ꢀ032 ꢁ0ꢀ813ꢂ
0ꢀ002 ꢁ0ꢀ051ꢂ
ALSR01
ALVR01
ALSR03
ALVR03
ALSR5A
ALVR5A
ALSR05
ALVR05
ALSR10
ALVR10
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]
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]
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
DERATING
120
Element: copper-nickel alloy or nickel-chrome alloy,
depending on resistance value
100
80
Core: ceramic: steatite or alumina, depending on physical
size
Characteristic V
60
End Caps: stainless steel
40
Coating: special high temperature silicone or special
Characteristic U
formula of “vitreous like appearance” coating on ALVR
20
0
Terminals: tinned Copper clad steel
- 50
- 65
0
50
100
150
200
250
300
350
Part Marking: HEI, model, value, tolerance, date code
25
AMBIENT TEMPERATURE IN °C
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
ppm/°C
lb
RESISTOR CHARACTERISTICS
Temperature Coefficient
Terminal Strength
30 for 10 and above; 50 for 1 to 9.9 ; 90 for 0.5 to 0.99
10 minimum
Dielectric Withstanding Voltage
Operating Temperature Range
Maximum Working Voltage
VAC
°C
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
V
PERFORMANCE
TEST LIMITS
TEST
CONDITIONS OF TEST
(CHARACTERISTIC V)
(2.0 ꢀ + 0.05 ) > R
(2.0 ꢀ + 0.05 ) > R
Thermal Shock
Rated power applied until thermally stable, then a minimum of 15 min at -55 °C
5x rated power (3 W and smaller), 10x rated power (4 W and larger) for 5 s
Short Time Overload
Dielectric Withstanding
Voltage
500 VRMS, 1 min for 1 W and 1000 VRMS, 1 min for 3 W and above
(0.1 ꢀ + 0.05 ) > R
Low Temperature Storage
High Temperature Exposure
Mechanical Shock
Vibration
-65 °C for 24 h
(2.0 ꢀ + 0.05 ) > R
(4.0 ꢀ + 0.05 ) > R
(0.2 ꢀ + 0.05 ) > R
(0.2 ꢀ + 0.05 ) > R
(3.0 ꢀ + 0.05 ) > R
(2.0 ꢀ + 0.05 ) > R
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
Load Life
Moisture Resistance
Revision: 18-Feb-16
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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RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
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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
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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
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Revision: 13-Jun-16
Document Number: 91000
1
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