LVR
Vishay Dale
Wirewound Resistors, Precision Power, Low Value,
Commercial, Military, MIL-PRF-49465 Type RLV, Axial Lead
FEATURES
• Ideal for all types of current sensing applications
including switching and linear power supplies,
instruments and power amplifiers
• Proprietary processing technique produces
extremely low resistance values
• Excellent load life stability
• Low temperature coefficient
• Low inductance
• Cooler operation for high power to size ratio
Available
e3
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
LVR01
LVR03
LVR03...26
LVR05
LVR05...26
LVR10
HISTORICAL
MODEL
LVR-1
LVR-3
LVR-3-26
LVR-5
LVR-5-26
LVR-10
MIL-PRF-49465
TYPE
—
—
RLV30 (M4946506)
—
RLV31 (M4946507)
—
POWER RATING
P
25
°
C
W
1
3
3
5
5
10
RESISTANCE RANGE*
TECHNOLOGY
Ω
±
1 %,
±
3 %,
±
5 %,
±
10 %
0.01 - 0.1**
0.005 - 0.2
0.01 - 0.2
0.005 - 0.3
0.01 - 0.3
0.01 - 0.8
Metal Strip
Metal Strip
Metal Strip
Metal Strip
Metal Strip
Coil Spacewound
* 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.
** Standard resistance values are 0.01
Ω,
0.015
Ω,
0.02
Ω,
0.025
Ω,
0.03
Ω,
0.033
Ω,
0.04
Ω,
0.05
Ω,
0.051
Ω,
0.06
Ω,
0.068
Ω,
0.07
Ω,
0.08
Ω,
0.09
Ω
and 0.1
Ω
with 1 % tolerance. Other resistance values may be available upon request.
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
Rated Power at + 25
°C
W
Operating Temperature Range
°C
Dielectric Withstanding Voltage V
AC
Insulation Resistance
Ω
Short Time Overload
-
Terminal Strength (minimum)
lb
Temperature Coefficient
ppm/°C
Maximum Working Voltage
V
Weight (maximum)
g
LVR01
1
- 65/+ 175
1000
LVR05
5
- 65/+ 275
1000
1000
10000 Megohms minimum dry
5 x rated power for 5 seconds
10
10
See TC vs Resistance Value Chart
(P x R)
1/2
2
5
LVR03
3
LVR10
10
1000
10 x rated power for 5 seconds
10
5
2
11
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: LVR055L000FS70 (preferred part numbering format)
L
GLOBAL MODEL
LVR01
LVR03
LVR05
LVR10
V
R
0
5
5
L
0
0
0
F
S
7
0
SPECIAL
(Dash Number)
(up to 3 digits)
From
1-999
as
applicable
VALUE
R
= Decimal
L
= Milliohm
(below 0.01
Ω)
R1500
= 0.15
Ω
7L000
= 0.007
Ω
TOLERANCE
D
= ± 0.5 %
F
= ± 1.0 %
G
= ± 2.0 %
H
= ± 3.0 %
J
= ± 5.0 %
K
= ± 10 %
PACKAGING
E12
= Lead (Pb)-free bulk
E03
= Lead (Pb)-free lacer pack (LVR10)
E70
= Lead (Pb)-free T/R 1000 pcs
(LVR01, 02, 03) or 500 pcs (LVR05)
B12
= Tin/lead bulk
F03
= Tin/lead lacer pack (LVR10)
S70
= Tin/lead T/R 1000 pcs
(LVR01, 02, 03) or 500 pcs (LVR05)
Historical Part Number example: LVR-5 0.005
Ω
1 % S70 (will continue to be accepted)
LVR-5
HISTORICAL MODEL
0.005
Ω
RESISTANCE VALUE
1%
TOLERANCE
CODE
S70
PACKAGING
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For technical questions, contact ww2aresistors@vishay.com
Document Number 30206
Revision 16-Feb-06
LVR
Wirewound Resistors, Precision Power, Low Value, Commercial, Military,
MIL-PRF-49465 Type RLV, Axial Lead
DIMENSIONS
A
1.50 [38.10]*
Minimum
Vishay Dale
MODEL
DIMENSIONS
in inches [millimeters]
A
B
C
±
0.010 [0.254]
LVR01
LVR03
0.427 [10.85]
0.560 [14.22]
0.925 [23.50]
1.828 [46.43]
±
0.010 [0.254]
0.115 [2.92]
0.205 [5.21]
0.330 [8.38]
0.392 [9.96]
±
0.002 [0.051]
0.020 [0.508]
0.032 [0.813]
0.040 [1.02]
0.040 [1.02]
B
C
LVR05
LVR10
* 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
SURFACE TEMPERATURE IN
°
C
250
200
150
100
50
LVR01
LVR03
LVR05
LVR10
1
2
3
4
5
6
7
8
9
10
The improved TC characteristics of these LVR models from
- 55
°C
to + 125
°C
(referenced to + 25
°C)
are as follows:
TC IN ppm/
°
C
400
LVR03
300
LVR10
LVR01
Surface Temperature vs Power
RATED POWER IN %
120
100
80
60
40
POWER IN W
LVR05
200
LVR03
LVR05
LVR10
100
20
0
- 65
LVR01
20
40
60
TC vs Resistance Value
PERFORMANCE
TEST
Thermal Shock
Short Time Overload
Low Temperature Storage
High Temperature Exposure
Dielectric Withstanding Voltage
Insulation Resistance
Moisture Resistance
Shock, Specified Pulse
Vibration, High Frequency
Load Life
Solderability
Bias Humidity
Document Number 30206
Revision 16-Feb-06
80
100
RESISTANCE (
Ω
X 10
-3
)
- 25
25
75
Derating
125
175
225
275
AMBIENT TEMPERATURE IN
°
C
CONDITIONS OF TEST (MIL-PRF-49465)
- 65
°C
to + 125
°C,
5 cycles, 15 minutes at each extrem
5 x rated power (LVR01, 03, 05), 10 x rated power (LVR10) for 5 seconds
- 65
°C
for 24 hours
250 hours at + 275
°C
(+ 175
°C
for LVR01)
1000 V rms, one minute
MIL-STD-202 Method 302, 100 volts
MIL-STD-202 Method 106, 7b not applicable
MIL-STD-202 Method 213, 100 g's for 6 milliseconds, 10 shocks
Frequency varied 10 to 2000 Hz, 20 g peak, 2 directions 6 hours each
2000 hours at rated power, + 25
°C,
1.5 hours “ON”, 0.5 hours “OFF”
ANSI J-STD-002
+ 85
°C,
85 % RH, 10 % bias, 1000 hours
For technical questions, contact ww2aresistors@vishay.com
TEST LIMITS
±
(0.2 % + 0.0005
Ω)
∆
R
±
(0.5 % + 0.0005
Ω)
∆
R
±
(0.2 % + 0.0005
Ω)
∆
R
±
(2.0 % + 0.0005
Ω)
∆
R
±
(0.1 % + 0.0005
Ω)
∆
R
1000 MΩ minimum
±
(0.2 % + 0.0005
Ω)
∆
R
±
(0.1 % + 0.0005
Ω)
∆
R
±
(0.1 % + 0.0005
Ω)
∆
R
±
(2.0 % + 0.0005
Ω)
∆
R
95 % coverage
±
(1.0 % + 0.0005
Ω)
∆
R
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131
Legal Disclaimer Notice
Vishay
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify Vishay for any damages resulting from such improper use or sale.
Document Number: 91000
Revision: 08-Apr-05
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