Document No
CRLP-250S001B
2008/3/8
1/6
Lead-Free High Power Current Sensing Resistors
CRLP
Series
Issued date
page
1. Scope：
This specification applied to the products of Lead-Free current sensing resistor of metal foil for Lead-Free
CRLP
series manufactured
for Cal-Chip Electronics, INC.
2. Type Designation：
CRLP
Item
25
Series
No
25:2512
(6432)
F
Resistance
tolerance
F:±1%
G:±2%
J:±5%
E
Packaging
E: Embossed Tape
E
Power Rating
C=1W
E=2W
G=3W
R010
Resistance
e.g :
R010=10mΩ
3. Construction and Dimension
：
3.1 Construction:
Over-Coat
Ni / Sn
Plating
Metal Alloy Plate
3.2 Dimension:
Unit : mm
Style
RLP25
L
6.4±0.2
W
3.2±0.2
C
0.9±0.2
t
Material
Metal
：
Copper-Nickel Alloy or
Copper-manganese Alloy
0.7
±0.20
Over Coating：molding
Compound UL-94 grade
Cal-Chip Electronics, INC.
Document No
CRLP-250S001B
2008/3/8
2/6
Lead-Free High Power Current Sensing Resistors
CRLP
Series
Issued date
page
4. Features:
Type
Power Rating
Resistance Value
Operation Temperature Range
Temperature Coefficient of Resistance
Tolerance
Insulation Resistance
Maximum Working Voltage(V)
CRLP
1W、2 W、3W
10~100mΩ
-55℃~+170℃
75ppm/℃
±1%,±2%,±5%
Over 100MΩ
(P*R)
1/2
5. Reliability Tests :
Test Items
Temperature Coefficient of
Resistance
Load Life
Short Time Overload
Moisture no Load
Temperature cycle
Resistance to Soldering Heat
Solderability
High Temperature Exposure
Low Temperature Storage
Substrate Bending
Insulation Resistance
Condition of Test
+25℃
~ +125℃
Test Limits
Refer 4.0
1000hours at rated power, 70℃, 1.5hours
±1%
“ON”, 0.5hour “OFF”
5 X rated power for 5s
85℃, 85%RH, 1000hrs
-40℃ & +125℃, 1000cycle, 15min per
extreme condition
260±5℃ for20±1 sec
245±5℃, 2±0.5sec
170℃, 1000hrs
-55℃, 1000hrs
Bending width 2mm, Epoxy thickness
1.6mm, Fulcrums distance 90mm
100V DC for 1 minute
±0.5% (For 40
-100 m
Ω
rated power x 2.5 for 5 s
)
±0.5%
±0.5%
±0.5%
At least 95% of surface area
of electrode shall be
covered with new solder
±0.5%
±0.5%
±1.0%
>100 MΩ
Note:2&3watts total Solder pad and trace size of 300mm
2
Cal-Chip Electronics, INC.
Document No
CRLP-250S001B
2008/3/8
3/6
Lead-Free High Power Current Sensing Resistors
CRLP
Series
Issued date
page
5.1Derating Curve
Power Ratio (%)
100
-55
70
Ambient Temperature (℃)
170
5.2 Rated Voltage
The rated voltage is calculated by the following fomula:
V=√ P*R
V:Rated Voltage(V)
P:Rated Power(W)
R:Resistance Value(Ω)
6. Recommended Solder Pad Dimension
L
b
a
Cu Trace
Resistance Range
(Ω)
0.010-0.100
Sensing Trace
a
4.0
b
2.1
L
4.1
Unit:mm
Cal-Chip Electronics, INC.
Document No
CRLP-250S001B
2008/3/8
4/6
Lead-Free High Power Current Sensing Resistors
CRLP
Series
Issued date
page
7. Number of Package:
4000 Pieces / package
8. Label:
QTY:
LOT NO:
Date Code
Series
Resistance Lead-Free Product
4000 PCS
0308
2512
LEAD-FREE
R010
3089166
FEE
Customer Label
Tolerance
Package
Power Rating
9. Taping
Packing
Emboss
Type
CRLP
A
3.6±0.2
B
6.9±0.2
W
12.±0.2
F
5.5±0.05
E
1.75±0.1
P
1
4.0±0.1
P
2
2.0±0.05
P
0
4.0±0.05
D
0
ψ1.5
(+0.1/-0)
T
0.85±0.15
Cal-Chip Electronics, INC.
Document No
CRLP-250S001B
2008/3/8
5/6
Lead-Free High Power Current Sensing Resistors
CRLP
Series
Issued date
page
10. Reel Specification
Series
CRLP
ψA
+0
ψB
-3
ψC
13.0±1.0
W
13.0±1.0
T
15.4±2.0
180
60 min
11. Peeling Strength of Top Cover Tape
Test Condition: 0.1 to 0.7 N at a peel-off speed of 300 mm / min.
top cover tape
10 ~15∘
carrier tape
pull
300 mm/min
standard: 0.1 ~ 0.7 N
12. Storage Conditions:
Temperature: 5℃~35℃,Humidity:40%~75%
13. Shelf Life
:
2 years from manufacturing date.
Cal-Chip Electronics, INC.
stm32/stm8
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