LR72ANTE4L7J [KOA]
Fixed Resistor, Metal Strip, 0.5W, 0.0047ohm, 5% +/-Tol, 100ppm/Cel, Surface Mount, 3920, CHIP, ROHS COMPLIANT;
| 型号： | LR72ANTE4L7J |
| 厂家： | 
KOA SPEER ELECTRONICS, INC. |
| 描述： | Fixed Resistor, Metal Strip, 0.5W, 0.0047ohm, 5% +/-Tol, 100ppm/Cel, Surface Mount, 3920, CHIP, ROHS COMPLIANT 电阻器 |
| 文件： | 总2页 (文件大小：214K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
,
,
LR72A B C
metal plate current sense resistors
EU
features
• Superior thermal expansion cycling
• Inductance less than 10nH
• Solderable pads (60/40 SnPb plate)
• Lead flexible for thermal expansion
• Products with lead-free terminations meet EU RoHS
and China RoHS requirements
dimensions and construction
LR72A
LR72B
Dimensions inches (mm)
Size
Code
L
L2 +0.1
W
t
-.02
.39±.004
.079
.20±.008
.079
LR72A
LR72B
LR72C
(10.0 0.1)
(2.0)
(5.2 0.2)
(2 Max.)
a
.39±.004
(10.0 0.1)
.079
(2.0)
.118±.008
(3.0 0.2)
.079
(2 Max.)
Resistive Plate
.44±.016
(11.2 0.4)
__
.126±.016 .137±.016
(3.2 0.4)
(3.5 0.4)
t
L2
L
L2
LR72C
a
Resistive Plate
Solder Coat
t
L
ordering information
New Part #
LR72
A
D
TE
2L0
J
Termination
Material
Nominal
Resistance
Type
Size
Packaging
Tolerance
A
B
C
D: SnAgCu (LR72C only)
TE: Embossed
plastic
2mΩ: 2L0
J: ±5%
N: CuNi (non-presolder)
(LR72A, B only)
“L” indicates
the decimal
in milliohms
For further information on packaging,
please refer to Appendix A.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
1/17/13
56
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
,
,
LR72A B C
metal plate current sense resistors
applications and ratings
T.C.R.
(ppm/°C)
Max.
Rated
Ambient
Temperature
Operating
Temperature
Range
Part
Designation
Power
Rating*
Standard
Resistance**
Resistance
Tolerance
LR72A
LR72B
LR72C
1/2W
1/4W
1W
2mΩ ~ 8mΩ
3mΩ ~ 5mΩ
2mΩ, 3mΩ
±100
±350
+70°C
+85°C
-40°C to +180°C
-40°C to +155°C
J: ±5%
* Rated power in case of glass epoxy resin (FR-4) is used for the substrate material
** Please contact factory for custom made resistance values
environmental applications
Derating Curve
100
LR72C
80
60
40
LR72A, 72B
20
0
-40
0
40
80
70 85
120
160 200
155 180
Ambient Temperature
(°C)
For resistors operated at an ambient temperature of 70°C
or above, a power rating shall be derated in accordance
with the above derating curve.
Performance Characteristics
Requirement ∆ R ±%
Parameter
Resistance
Limit
Typical
Test Method
Within specified
tolerance
25°C
––
Within specified
T.C.R.
Room temp. +100°C UP
350°C ± 10°C, 3 seconds
T.C.R.
––
Resistance to
Soldering Heat
±2.0%
±1.6%
Power rating x 1/10, 40°C, 90% - 95% RH, 1000 hours,
1.5 hr ON, 0.5 hr OFF cycle
Moisture Resistance
Endurance at 70°C
±5.0%
±5.0%
±4.5%
±4.5%
Rated voltage 70°C, 1000 hours
1.5 hr ON, 0.5 hr OFF cycle
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
12/17/12
57
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
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