LVR
Vishay Dale
www.vishay.com
130
Document Number 30206
Revision 16-Feb-06
For technical questions, contact ww2aresistors@vishay.com
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
Wirewound Resistors, Precision Power, Low Value,
Commercial, Military, MIL-PRF-49465 Type RLV, Axial Lead
STANDARD ELECTRICAL SPECIFICATIONS
* 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.
GLOBAL HISTORICAL MIL-PRF-49465 POWER RATING RESISTANCE RANGE* TECHNOLOGY
MODEL MODEL TYPE P25 °CΩ
W± 1 %, ± 3 %, ± 5 %, ± 10 %
LVR01 LVR-1 — 1 0.01 - 0.1** 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
PARAMETER UNIT LVR01 LVR03 LVR05 LVR10
Rated Power at + 25 °CW 1 3 5 10
Operating Temperature Range °C - 65/+ 175 - 65/+ 275
Dielectric Withstanding Voltage VAC 1000 1000 1000 1000
Insulation Resistance Ω10000 Megohms minimum dry
Short Time Overload - 5 x rated power for 5 seconds
10 x rated power for 5 seconds
Terminal Strength (minimum) lb 5 10 10 10
Temperature Coefficient ppm/°C See TC vs Resistance Value Chart
Maximum Working Voltage V (P x R)1/2
Weight (maximum) g 2 2 5 11
TECHNICAL SPECIFICATIONS
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: LVR055L000FS70 (preferred part numbering format)
LVR055L000FS70
Historical Part Number example: LVR-5 0.005 Ω 1 % S70 (will continue to be accepted)
LVR-5 0.005 Ω 1 % S70
HISTORICAL MODEL RESISTANCE VALUE TOLERANCE PACKAGING
CODE
TOLERANCE
D = ± 0.5 %
F = ± 1.0 %
G = ± 2.0 %
H = ± 3.0 %
J = ± 5.0 %
K = ± 10 %
SPECIAL
(Dash Number)
(up to 3 digits)
From 1-999 as
applicable
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)
VALUE
L = Milliohm
(below 0.01 Ω)
R1500 = 0.15 Ω
7L000 = 0.007 Ω
R = Decimal
GLOBAL MODEL
LVR01
LVR03
LVR05
LVR10
Available
e3
www.vishay.com
131
LVR
Vishay Dale
Document Number 30206
Revision 16-Feb-06
For technical questions, contact ww2aresistors@vishay.com
DIMENSIONS MODEL DIMENSIONS in inches [millimeters]
AB C
± 0.010 [0.254] ± 0.010 [0.254] ± 0.002 [0.051]
LVR01 0.427 [10.85] 0.115 [2.92] 0.020 [0.508]
LVR03 0.560 [14.22] 0.205 [5.21] 0.032 [0.813]
LVR05 0.925 [23.50] 0.330 [8.38] 0.040 [1.02]
LVR10 1.828 [46.43] 0.392 [9.96] 0.040 [1.02]
1.50 [38.10]*
Minimum
A
C
B
Wirewound Resistors, Precision Power, Low Value, Commercial, Military,
MIL-PRF-49465 Type RLV, Axial Lead
* On some standard reel pack methods, the leads may be trimmed to
a shorter length than shown.
- 65 - 25 25 75 125 175 225 275
AMBIENT TEMPERATURE IN °C
120
100
80
60
40
20
0
RATED POWER IN %
LVR01
LVR03
LVR05
LVR10
Derating
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 TC characteristics of these LVR models from
- 55 °C to + 125 °C (referenced to + 25 °C) are as follows:
20 40 60 80 100
RESISTANCE (ΩX 10-3)
LVR05
400
300
200
100
TC IN ppm/°C
LVR03
LVR01
TC vs Resistance Value
LVR10
12 3 4 567 8 910
250
200
150
100
50
SURFACE TEMPERATURE IN °C
POWER IN W
LVR03
LVR01
Surface Temperature vs Power
LVR05
LVR10
TEST CONDITIONS OF TEST (MIL-PRF-49465) TEST LIMITS
Thermal Shock - 65 °C to + 125 °C, 5 cycles, 15 minutes at each extrem ± (0.2 % + 0.0005 Ω)
∆
R
Short Time Overload 5 x rated power (LVR01, 03, 05), 10 x rated power (LVR10) for 5 seconds ± (0.5 % + 0.0005 Ω)
∆
R
Low Temperature Storage - 65 °C for 24 hours ± (0.2 % + 0.0005 Ω)
∆
R
High Temperature Exposure 250 hours at + 275 °C (+ 175 °C for LVR01) ± (2.0 % + 0.0005 Ω)
∆
R
Dielectric Withstanding Voltage 1000 V rms, one minute ± (0.1 % + 0.0005 Ω)
∆
R
Insulation Resistance MIL-STD-202 Method 302, 100 volts 1000 MΩ minimum
Moisture Resistance MIL-STD-202 Method 106, 7b not applicable ± (0.2 % + 0.0005 Ω)
∆
R
Shock, Specified Pulse MIL-STD-202 Method 213, 100 g's for 6 milliseconds, 10 shocks ± (0.1 % + 0.0005 Ω)
∆
R
Vibration, High Frequency Frequency varied 10 to 2000 Hz, 20 g peak, 2 directions 6 hours each ± (0.1 % + 0.0005 Ω)
∆
R
Load Life 2000 hours at rated power, + 25 °C, 1.5 hours “ON”, 0.5 hours “OFF” ± (2.0 % + 0.0005 Ω)
∆
R
Solderability ANSI J-STD-002 95 % coverage
Bias Humidity + 85 °C, 85 % RH, 10 % bias, 1000 hours ± (1.0 % + 0.0005 Ω)
∆
R
PERFORMANCE
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Vishay
Document Number: 91000 www.vishay.com
Revision: 08-Apr-05 1
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
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