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ALSR, ALVR
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)
P25 °C W CHARACTERISTIC V +350 °C
ALSR01
ALSR-1
1
-
ALVR01
ALVR-1
1
-
ALSR03
ALSR-3
3
-
ALVR03
ALVR-3
3
-
ALSR5A ALSR-5A
4
5
ALVR5A ALVR-5A
4
5
ALSR05
ALSR-5
5
7
ALVR05
ALVR-5
5
7
ALSR10 ALSR-10
7
10
ALVR10 ALVR-10
7
10
RESISTANCE RANGE
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
TOLERANCE (2) %
WEIGHT (typical)
g
1, 3, 5, 10
0.27
1, 3, 5, 10
0.27
1, 3, 5, 10
0.68
1, 3, 5, 10
0.68
1, 3, 5, 10
2.1
1, 3, 5, 10
2.1
1, 3, 5, 10
3.2
1, 3, 5, 10
3.2
1, 3, 5, 10
4.9
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)
(see Standard Electrical Specifications Global Model column for options)
VALUE (5 digits)
R = decimal K = thousand 1R500 = 1.5 1K500 = 1.5 k
TOLERANCE (1 digit)
F = ± 1.0 % H = ± 3.0 % J = ± 5.0 % K = ± 10.0 %
Historical Part Number example: ALSR-3-25-1 %-NI
ALSR-3
25
HISTORICAL MODEL
RESISTANCE VALUE
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)
E70 = tape / reel, 1K pieces (smaller than ALSR05 / ALVR05)
E73 = tape / reel, 500 pieces E12 = bulk, 100 pc boxes
SPECIAL (up to 2 digits)
(dash number) from 1 to 99 as applicable NI = non-inductive
1% TOLERANCE
NI SPECIAL
Revision: 18-Feb-16
1
Document Number: 31800
For technical questions, contact:
[email protected]
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
www.vishay.com
DIMENSIONS in inches [millimeters]
1.50 [38.10] min.
ALSR, ALVR
Vishay Huntington
D L
LD
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
120
RATED POWER IN %
100
80 Characteristic V
60
40 Characteristic U
20
0 - 50
- 65
0
50
25
100 150 200 250 300 350 AMBIENT TEMPERATURE IN °C
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
Temperature Coefficient
ppm/°C
Terminal Strength
lb
Dielectric Withstanding Voltage
VAC
Operating Temperature Range
°C
Maximum Working Voltage
V
RESISTOR CHARACTERISTICS ± 30 for 10 and above; ± 50 for 1 to 9.9 ; ± 90 for 0.5 to 0.99
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
CONDITIONS OF TEST
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
TEST LIMITS (CHARACTERISTIC V)
± (2.0 % + 0.05 ) > R ± (2.0 % + 0.05 ) > R
500 VRMS, 1 min for 1 W and 1000 VRMS, 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 m.