KOA LR72CNTE2L0J Metal plate current sense resistor Datasheet

1733 Reader's Spreads pg1-203:document
1/27/09
4:04 PM
Page 40
LR72A, B, C
resistors
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
Copper Nickel
Alloy
Termination
LR72A
3.75 size only
W
t d
L2
L
L2
LR72A
Dimensions inches (mm)
L2 +0.1
W
t
-.02
Size
Code
L
LR72A
(8.00)
.39±.004
(10.0±0.1)
.079
(2.0)
.20±.008
(5.2±0.2)
.079
(2 Max.)
.006
(0.16)
LR72A
(5.00)
.39±.004
(10.0±0.1)
.079
(2.0)
.20±.008
(5.2±0.2)
.079
(2 Max.)
.009
(0.22)
LR72A
(3.75)
LR72A
(2.50)
.39±.004
(10.0±0.1)
.39±.004
(10.0±0.1)
.079
(2.0)
.079
(2.0)
.20±.008
(5.2±0.2)
.20±.008
(5.2±0.2)
.079
(2 Max.)
.079
(2 Max.)
.013
(0.32)
.019
(0.47)
d
Copper Nickel
Alloy
W
t d
Termination
g
g
L2
L
LR72A (2mΩ)
LR72B
L2
Dimensions inches (mm)
W
t
d
Size
Code
L
LR72A
(2.00)
.39±.004
(10.0±0.1)
.079
(2.0)
.20±.008
.079
(5.2±0.2) (2 Max.)
.027
(0.68)
.043±.008
(1.1±0.2)
LR72B
.39±.004
(10.0±0.1)
.079
(2.0)
.118±.008
.079
(3.0±0.2) (2 Max.)
.026
(0.66)
.043±.008
(1.1±0.2)
L2
+0.1
-.02
g
W
Copper Nickel
Alloy
t
Termination
d
a
L
Size
Code
LR72C
Dimensions inches (mm)
W
t
a
L
.44±.016
(11.2±0.4)
d
.126±.016 .137±.016 .189±.030 .093±.010
(3.2±0.4)
(3.5±0.4)
(4.8±.75) (2.35±.25)
LR72C
ordering information
New Part #
LR72
A
Type
Size
A
B
C
D
Termination
Material
D: SnAgCu (LR72C only)
N: CuNi (non-presolder)
(LR72A, B only)
TE
Packaging
TE: 7" embossed
plastic
(LR72A, B)
TEB: 13"
embossed plastic
(LR72C)
2L0
Nominal
Resistance
2mΩ: 2L0
“L” indicates
the decimal
in milliohms
J
Tolerance
J: ±5%
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.
42
12/16/08
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
1733 Reader's Spreads pg1-203:document
1/27/09
4:04 PM
Page 41
PMS 300 neg.
Black neg.
metal plate current sense resistors
applications and ratings
T.C.R.
(ppm/°C)
Max.
Part
Designation
Power
Rating
LR72A
1/2W @ 25°C
LR72B
1/4W @ 25°C
LR72C
1W @ 70°C
±100
±350
Standard
Resistance
Resistance
Tolerance
2mΩ ~ 8mΩ
3mΩ ~ 5mΩ
2mΩ, 3mΩ
J: ±5%
Rated
Ambient
Temperature
Operating
Temperature
Range
+70°C
-40°C to +180°C
+85°C
-40°C to +155°C
environmental applications
Derating Curve
100
LR72C
% Rated Power
80
60
40
LR72A, 72B
20
0
-40
0
40
80
120
160 200
70 85
155 180
Ambient Temperature
(°C)
Performance Characteristics
Parameter
Resistance
T.C.R.
Resistance to Solder Heat
Moisture Resistance
Load Life
Requirement
Within regulated tolerance
Within specified T.C.R.
±2.0%
±5.0%
±5.0% (A & B), ±3% (C)
Test Method (JIS C 5202)
25°C
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
Power rating x 1/10, 40°C, 90 - 95% RH, 1000 hours,
1.5 hr ON, 0.5 hr OFF cycle
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
KOA Speer Electronics, Inc. • 199 Bolivar Drive • Bradford, PA 16701 • USA • 814-362-5536 • Fax: 814-362-8883 • www.koaspeer.com
43
resistors
LR72A, B, C
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