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
Pb-free
Available
e3
RoHS*
COMPLIANT
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
HISTORICAL
MIL-PRF-49465
POWER RATING
RESISTANCE RANGE
Ω
(1)
TECHNOLOGY
MODEL
MODEL
TYPE
P
25 °C
W
± 1 %, ± 3 %, ± 5 %, ± 10 %
LVR01
LVR-1
-
1
0.01 - 0.1
(2)
Metal Strip
LVR03
LVR-3
-
3
0.005 - 0.2
Metal Strip
LVR03...26
LVR-3-26
RLV30 (M4946506)
3
0.01 - 0.2
Metal Strip
LVR05
LVR-5
-
5
0.005 - 0.3
Metal Strip
LVR05...26
LVR-5-26
RLV31 (M4946507)
5
0.01 - 0.3
Metal Strip
LVR10
LVR-10
-
10
0.01 - 0.8
Coil Spacewound
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)
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
Rated Power at + 25 °C
Operating Temperature Range
Dielectric Withstanding Voltage
Insulation Resistance
Short Time Overload
Terminal Strength (minimum)
Temperature Coefficient
Maximum Working Voltage
Weight (maximum)
UNIT
W
°C
V
AC
Ω
-
lb
ppm/°C
V
g
LVR01
1
- 65 to + 175
1000
LVR05
LVR10
5
10
- 65 to + 275
1000
1000
1000
10 000 MΩ minimum dry
5 x rated power for 5 s
10 x rated power for 5 s
10
10
10
See TCR vs. Resistance Value chart
(P x
R)
1/2
2
5
11
LVR03
3
5
2
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: LVR055L000FS73 (preferred part number format)
L
V
R
0
VALUE
5
5
L
TOLERANCE
D
= ± 0.5 %
F
= ± 1.0 %
G
= ± 2.0 %
H
= ± 3.0 %
J
= ± 5.0 %
K
= ± 10.0 %
0
0
0
F
S
PACKAGING
7
3
SPECIAL
(Dash Number)
(up to 3 digits)
From
1 - 999
as applicable
GLOBAL MODEL
LVR01
LVR03
LVR05
LVR10
R
= Decimal
L
= mΩ
(values < 0.010
Ω)
R1500
= 0.15
Ω
7L000
= 0.007
Ω
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 pieces
B12
= 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
Historical Part Number Example: LVR-5 0.005
Ω
1 % S73 (will continue to be accepted for tin/lead product only)
LVR-5
HISTORICAL MODEL
0.005
Ω
RESISTANCE VALUE
1%
TOLERANCE CODE
S73
PACKAGING
* Pb containing terminations are not RoHS compliant, exemptions may apply
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152
For technical questions, contact: ww2aresistors@vishay.com
Document Number: 30206
Revision: 29-Feb-08
LVR
Wirewound Resistors, Precision Power, Low Value,
Commercial, Military, MIL-PRF-49465 Type RLV, Axial Lead
DIMENSIONS
in inches [millimeters]
A
1.50 [38.10]
minimum
(1)
Vishay Dale
MODEL
LVR01
LVR03
LVR05
LVR10
B
C
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
SURFACE TEMPERATURE IN
°
C
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
The improved TCR characteristics of these LVR models from
- 55 °C to + 125 °C (reference to + 25 °C) are as follows:
250
LVR03
LVR01
LVR05
LVR10
200
150
100
50
1
2
3
4
5
6
7
8
9
10
Surface Temperature vs Power
TCR IN ppm/°C
RATED POWER IN
%
400
LVR03
LVR10
300
LVR01
POWER IN W
120
100
80
LVR03
LVR05
LVR10
LVR05
200
60
40
100
LVR01
20
0
- 65
10
-3
)
20
40
60
80
100
- 25
25
75
125
175
225
275
TCR 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: 29-Feb-08
RESISTANCE (Ω x
Derating
AMBIENT TEMPERATURE IN °C
CONDITIONS OF TEST
- 65 °C to + 125 °C, 5 cycles, 15 min at each extrem
5 x rated power (LVR01, 03, 05), 10 x rated power (LVR10) for 5 s
- 65 °C for 24 h
250 h at + 275 °C (+ 175 °C for LVR01)
1000 V
rms
, 1 min
MIL-STD-202 Method 302, 100 V
MIL-STD-202 Method 106, 100 7b not applicable
MIL-STD-202 Method 213, 100 g's for 6 ms, 10 shocks
Frequency varied 10 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”
ANSI J-STD-002
+ 85 °C, 85 % RH, 10 % bias, 1000 h
For technical questions, contact: ww2aresistors@vishay.com
TEST LIMITS
± (0.2 % + 0.0005
Ω) ΔR
± (0.5 % + 0.0005
Ω) ΔR
± (0.2 % + 0.0005
Ω) ΔR
± (2.0 % + 0.0005
Ω) ΔR
± (0.1 % + 0.0005
Ω) ΔR
1000 MΩ minimum
± (0.2 % + 0.0005
Ω) ΔR
± (0.1 % + 0.0005
Ω) ΔR
± (0.1 % + 0.0005
Ω) ΔR
± (2.0 % + 0.0005
Ω) ΔR
95 % coverage
± (1.0 % + 0.0005
Ω) ΔR
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153
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
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Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
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