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LVR
Vishay Dale
Wirewound Resistors, Precision Power, Low Value, Commercial, Axial Lead
LINKS TO ADDITIONAL RESOURCES
3D 3D
3D Models
FEATURES
• Ideal for all types of current sensing applications including switching and linear power supplies, instruments and power amplifiers
Available
• Excellent load life stability
• Low temperature coefficient • Low inductance
Available
• MIL-PRF-49465 qualified, type RLV resistors can be found at: www.vishay.com/doc?30283
Available
• Material categorization: for definitions of Available compliance please see www.vishay.com/doc?99912
Note
* This datasheet provides information about parts that are
RoHS-compliant and / or parts that are non RoHS-compliant. For example, parts with lead (Pb) terminations are not RoHS-compliant.
Please see the information / tables in this datasheet for details
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL MODEL
HISTORICAL MODEL
POWER RATING P25 °C W
RESISTANCE RANGE (1)
LVR01
LVR-1
1
0.01 to 0.1 (2)
TOLERANCE ±%
1, 3, 5, 10
TECHNOLOGY Metal strip
WEIGHT (typical)
g
0.5
LVR03 LVR05 LVR10
LVR-3 LVR-5 LVR-10
3
0.005 to 0.2
1, 3, 5, 10
Metal strip
2
5
0.005 to 0.3
1, 3, 5, 10
Metal strip
5
10
0.01 to 0.25 (3)
1, 3, 5, 10
Coil spacewound
11
Notes
(1) Resistance is measured 3/8" [9.52 mm] from the body of the resistor, or at 1.183" [30.05 mm], 1.315" [33.40 mm], 1.675" [42.545 mm] or 2.575" [65.405 mm] spacing for the LVR01, LVR03, LVR05 and LVR10 respectively
(2) LVR01: standard resistance values are 0.01 , 0.015 , 0.02 , 0.025 , 0.03 , 0.033 , 0.04 , 0.05 , 0.051 , 0.06 , 0.068 , 0.07 , 0.08 , 0.09 and 0.1 with 1 % tolerance. Other resistance values may be available upon request
(3) LVR-10: contact factory for resistance values beyond the 0.25
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
Operating Temperature Range °C
Dielectric Withstanding Voltage VAC
Insulation Resistance
Short Time Overload
-
Terminal Strength (minimum)
lb
Maximum Working Voltage
V
LVR01 -65 to +175
1000
5
LVR03
LVR05
-65 to +275
1000
1000
10 000 M minimum dry
5 x rated power for 5 s
10
10
(P x R)1/2
LVR10 1000 10 x rated power for 5 s
10
Note • LVR01, LVR03, and LVR05 are End of Life on May 22, 2021. LVR10 will still be supported
Revision: 21-Apr-2021
1
Document Number: 30206
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
LVR
Vishay Dale
GLOBAL PART NUMBER INFORMATION
Global Part Numbering Example: LVR055L000FS73 (visit www.vishay.net Vishay Dale parts numbering manual for all options)
L
V
R
0
5
5
L
0
0
0
F
S
7
3
GLOBAL MODEL
LVR01 LVR03 LVR05 LVR10
VALUE
R = decimal L = m
(values < 0.010 ) R1500 = 0.15 7L000 = 0.007
TOLERANCE
D = ± 0.5 % F = ± 1.0 % G = ± 2.0 % H = ± 3.0 % J = ± 5.0 % K = ± 10.0 %
PACKAGING
E12 = lead (Pb)-free bulk E03 = lead (Pb)-free lacer pack (LVR10) E70 = lead (Pb)-free, tape / reel 1000 pieces (LVR01, 03) E73 = lead (Pb)-free, tape / reel 500 piecesB12 = tin /
lead bulk L03 = tin / lead lacer pack (LVR10) S70 = tin / lead, tape / reel 1000 pieces (LVR01, 03) S73 = tin / lead, tape/reel 500 pieces
SPECIAL
(dash number) (up to 3 digits) From 1 to 999 as applicable
DIMENSIONS in inches [millimeters]
A
1.50 [38.10] (1) minimum
B
C
MODEL
LVR01 LVR03 LVR05 LVR10
DIMENSIONS in inches [millimeters]
A
B
C
± 0.010 [0.254] ± 0.010 [0.254] ± 0.002 [0.051]
0.427 [10.85] 0.115 [2.92] 0.020 [0.508]
0.560 [14.22] 0.205 [5.21] 0.032 [0.813]
0.925 [23.50] 0.330 [8.38]
0.040 [1.02]
1.828 [46.43] 0.392 [9.96]
0.040 [1.02]
Note (1) On some standard reel pack methods, the leads may be trimmed to a shorter length than shown
MATERIAL SPECIFICATIONS
Element: self-supporting nickel-chrome alloy (LVR10 also utilizes manganin)
Encapsulation: high temperature mold compound
Terminals: tinned copper
Part Marking: Dale, model, wattage, value, tolerance, date code
Packaging: Reference “Wirewound Through Hole Resistor Packaging” (www.vishay.com/doc?21028)
DERATING
120
RATED POWER IN %
100
80
60
40
20
0
- 65 - 25
25
LVR01
LVR03 LVR05 LVR10
75
125
175
225 275
AMBIENT TEMPERATURE IN °C
TEMPERATURE COEFFICIENT (ppm/°C)
LVR01
LVR03
± 1000 for 0.01 to 0.0249 ± 400 for 0.025 to 0.0499 ± 300 for 0.05 to 0.0749 ± 250 for 0.075 to 0.099
± 150 for 0.1 to 0.1
± 850 for 0.005 to 0.0099 ± 350 for 0.01 to 0.0249 ± 200 for 0.025 to 0.0499 ± 125 for 0.05 to 0.0749 ± 75 for 0.075 to 0.099
± 50 for 0.1 to 0.2
LVR05
± 650 for 0.005 to 0.0099 ± 250 for 0.01 to 0.0249 ± 150 for 0.025 to 0.0499 ± 100 for 0.05 to 0.0749.