LR72ANTE2L0J [KOA]
metal plate current sense resistors; 金属板的电流检测电阻器
| 型号： | LR72ANTE2L0J |
| 厂家： | 
KOA SPEER ELECTRONICS, INC. |
| 描述： | metal plate current sense resistors |
| 文件： | 总2页 (文件大小：88K) |
| 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
Dimensions inches (mmꢀ
Size
Copper Nickel
+0.1
W
Code
L
L2
W
t
d
-.02
Alloy
LR72A
(8.00)
.39 .004
(10.0 0.1ꢀ
.079
(2.0ꢀ
.20 .008
(5.2 0.2ꢀ
.079
(2 Max.ꢀ
.006
Termination
(0.16ꢀ
d
t
LR72A
LR72A
(5.00)
.39 .004
(10.0 0.1ꢀ
.079
(2.0ꢀ
.20 .008
(5.2 0.2ꢀ
.079
(2 Max.ꢀ
.009
(0.22ꢀ
3.75 size only
L2
L
L2
LR72A
LR72A
(3.75)
.39 .004
(10.0 0.1ꢀ
.079
(2.0ꢀ
.20 .008
(5.2 0.2ꢀ
.079
(2 Max.ꢀ
.013
(0.32ꢀ
LR72A
(2.50)
.39 .004
(10.0 0.1ꢀ
.079
(2.0ꢀ
.20 .008
(5.2 0.2ꢀ
.079
(2 Max.ꢀ
.019
(0.ꢁꢂꢀ
Copper Nickel
Alloy
W
d
Termination
t
Dimensions inches (mmꢀ
Size
Code
+0.1
-.02
L
L2
W
t
d
g
LR72A
(2.00)
.39 .004
.079
.20 .008
.079
.027
.043 .008
g
g
LR72A (2mΩ)
LR72B
(10.0 0.1ꢀ
(2.0ꢀ
(5.2 0.2ꢀ (2 Max.ꢀ
(0.68ꢀ
(1.1 0.2ꢀ
L2
L
L2
.39 .004
(10.0 0.1ꢀ
.079
(2.0ꢀ
.118 .008
(3.0 0.2ꢀ (2 Max.ꢀ
.079
.026
(0.66ꢀ
.043 .008
(1.1 0.2ꢀ
LR72B
W
Dimensions inches (mmꢀ
Copper Nickel
Size
Code
t
Alloy
L
W
t
a
d
.44 .016 .126 .016 .137 .016 .189 .030 .093 .010
LR72C
Termination
(11.2 0.ꢁꢀ (3.2 0.ꢁꢀ
(3.5 0.ꢁꢀ
(ꢁ.8 .ꢂ5ꢀ (2.35 .25ꢀ
d
a
L
LR72C
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)
N: CuNi (non-presolder)
(LR72A, B only)
TE: 7" embossed
plastic
(LR72A, B)
2mΩ: 2L0
J: 5%
“L” indicates
the decimal
in milliohms
TEB: 13"
embossed plastic
(LR72C)
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.
12/16/08
42
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 @ 25°C
1/4W @ 25°C
1W @ 70°C
2mΩ ~ 8mΩ
3mΩ ~ 5mΩ
2mΩ, 3mΩ
100
350
+70°C
+85°C
-40°C to +180°C
-40°C to +155°C
J: 5%
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)
Performance Characteristics
Parameter
Requirement
Test Method (JIS C 5202)
Resistance
Within regulated tolerance
Within specified T.C.R.
2.0%
25°C
T.C.R.
Room temperature/100°C up, LR72C: Room temperature/25°C ~ 200°C
350°C 10°C, 3 seconds; LR72C: 260°C 5°C, 10 seconds
Resistance to Solder Heat
Power rating x 1/10, 40°C, 90 - 95% RH, 1000 hours,
1.5 hr ON, 0.5 hr OFF cycle
Moisture Resistance
Load Life
5.0%
5.0% (A & B), 3% (C)
Rating 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.
12/16/08
43
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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