LOB3R040FLFLT TT Electronics/IRC, LOB3R040FLFLT Datasheet

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LOB3R040FLFLT

Manufacturer Part Number
LOB3R040FLFLT
Description
RES METAL .040 OHM 3W 1% AXIAL
Manufacturer
TT Electronics/IRC
Series
LOBr
Datasheet

Specifications of LOB3R040FLFLT

Resistance (ohms)
0.04
Number Of Terminations
2
Package / Case
Axial
Power (watts)
3W
Composition
Metal Element
Features
Current Sense, Non-Inductive
Tolerance
±1%
Size / Dimension
0.210" Dia x 0.560" L (5.33mm x 14.22mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Temperature Coefficient
-
Height
-
Other names
989-1108-2
LOB-3-R040-F-LF
LOB3R040FLF

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LOB3R040FLFLT
Quantity:
15 000
Specifi cations
LOB Series
DESCRIPTION:
The LOB Series power precision metal element resistors feature resistance values down to 0.005 with virtually no inductance.
Available in 1, 3, and 5 watt rated axial leaded packages, these resistors are compatible with automatic insertion equipment.
APPLICATIONS:
• Switchmode and linear power supplies
• Automotive current-sensing circuits
• Instrumentation
• Regulators
CONSTRUCTION:
The LOBΩ Series resistors feature tinned copper leads welded directly to a low-temperature coeffi cient resistance element in a
highly automated proprietary process. The leaded resistor elements are then encapsulated in a molding compound.
*Power Dissipation - The maximum wattage rating depends upon the amount of heat which can be transferred to the surroundings while not exceeding the maximum element temperature. Ambient
air temperature, velocity of cooling air, thermal resistance of heat, and the temperature of surrounding objects will affect this transfer, and must be taken into account when selecting a resistor.
Environmental Testing
*±0.0005 ohm allowance for test/contact error.
General Note
IRC reserves the right to make changes in product specifi cation without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print.
Wire and Film Technologies Division
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
Low Resistance
Metal Element Resistor
Load Life (2,000 hours)
Thermal Shock
Vibration
Mechanical Shock
Dielectric Strength
Insulation Resistance
Tolerances from ±1% to ±5%
Low TCR
High stability over life
Ultra low resistance values (0.005 Ω to 0.1 Ω)
Inherently non-inductive (≤.02 µh @ 0.5 MHz)
Available in 1W, 3W, and 5W rated packages
Lead free RoHS compliant construction available
LOB-1
LOB-3
LOB-5
Style
Test Parameters
Continuous Power Dissipation
@ 25°C in free air (watts)
1
3
5
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
MIL-STD 202
Method 108
Method 107
Method 204
Method 213
Method 301
Method 302
for 5 seconds (watts)
Overload Power
15
25
5
±0.5% @1000 VAC
>10
MAX %ΔR *
10
@ 100 VDC
±0.5%
±0.5%
±1%
±1%
Maximum Working
Voltage (volts)
1 x R
3 x R
5 x R
LOB Series Issue December 2009 Sheet 1 of 3
Maximum Storage
Temperature (°C)
Ohms
%ΔR
%ΔR
%ΔR
%ΔR
%ΔR
Unit
175
175
175
TT electronics plc
A subsidiary of

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LOB3R040FLFLT Summary of contents

Page 1

... Instrumentation • Regulators CONSTRUCTION: The LOBΩ Series resistors feature tinned copper leads welded directly to a low-temperature coeffi cient resistance element in a highly automated proprietary process. The leaded resistor elements are then encapsulated in a molding compound. Specifi cations ...

Page 2

Low Resistance Metal Element Resistor Physical Data connect point Style L 0.390 ± 0.010 LOB-1 (9.9 ± 0.3) 0.560 ± 0.010 LOB-3 (14.224 ± 0.254) 0.920 ± 0.010 LOB-5 (23.368 ± 0.254) Temperature Coeffi cient of Resistance vs. Resistance Value ...

Page 3

Low Resistance Metal Element Resistor Ordering Data To order, specify style, resistance value, tolerance, and package type as in the following example: Sample Part No. LOB-3 IRC Type LOB-1 (1 watt) LOB-3 (3 watt) LOB-5 (5 watt) Resistance Value 0.005Ω ...

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