Page 1 of 2
The information contained herein does not form part of
a contract and is subject to change without notice. Arcol
operate a policy of continual product development, therefore,
specifications may change.
It is the responsibility of the customer to ensure that the
component selected from our range is suitable for the intended
application. If in doubt please ask Arcol.
ARCOL UK Limited,
Threemilestone Ind. Estate,
Truro, Cornwall, TR4 9LG, UK.
T +44 (0) 1872 277431
F +44 (0) 1872 222002
E sales@arcolresistors.com
www.arcolresistors.com
2/12.33
AP5025 8 Watt Current Sense
Chip Resistors
A very high power current sense chip resistor capable of dissipating 8 watts with
recommended thermal management architecture on the PCB.
• Power Dissipation 8 watts with 700 micron PCB thermal Pad
• Low resistance values
• Excellent pulse / surge performance
• RoHS Compliant
Characteristics
Resistance Values
TCR
Tolerance
Power Rating
Current Rating
Maximum Current
Series Inductance
Operating Temperature
Storage Temperature
Short Time Overload
Low Temperature Storage
High Temperature Storage
Heat Shock
Vibration
Soldering Heat
Solderability
Humidity
Load Life
R0005, R001, R002, R003, R004, R005, R01
± 100ppm/°C
±1%(F), ±5%(J)
8W, thermally managed
90A, at 1 mΩ
126A, 2.5 seconds one time
3nH
-55 °C to 175°C
-55 °C to 175°C
∆R ± (0.5% + 0.5mΩ), Maximum current, 2.5 seconds
∆R ± (0.5% + 0.5mΩ), -55°C, 24 hours
∆R ± (1.0% + 0.5mΩ), +175°C, 1000 hours
∆R ± (0.5% + 0.5mΩ), -55°C to +125°C, 20min. Interval, 5min. 5 cycles
∆R ± (0.5% + 0.5mΩ), 10-2000 Hz, 1.5mm/20gr, 2 hours
∆R ± (0.25% + 0.5mΩ), 260°C ± 5°C, 10 ± 1 second
90%/terminal surface
∆R ± (0.5% + 0.1mΩ), 85°C, 85% RH, dc 0.1W, 1000 hours
∆R ± (0.5% + 0.1mΩ), 25°C, dc rated power, 90 min ON, 30min OFF, 1000 hours
Temperature Characteristics Temperature Rise
250
200
150
100
50
0
0246810
Temperature (°C) at hot spot
Power (Watt)
Tel : 82-32-817-4325
Resistors And
Fax : 82-32-817-4329
Resistive Applications
Website : http://www.raraohm.com Email : sg@raraohm.com
CURRENT DETECT CHIP RESISTORS,
WSL1, WSL2, WSL8
Temperature Characteristics, WSL2 Temperature Characteristics, WSL8
Recommended Foot Print (mm)
dR/R (ppm)
+4000
Slope of +30ppm/C
+2000
0
-2000
Slope of –30ppm/C
-4000
-50 0 25 50 75 100 125
Resistor Temperature ( C )
dR/R (ppm)
Dots shows typically measured.
+4000
Slope of +30ppm/C
+2000
0
-2000
Slope of –30ppm/C
-4000
-50 0 25 50 75 100 125
Resistor Temperature ( C )
Note:
Soldering
ecommendation
Because heat capacity of WSL8 is larger than another small chip components, when re-flow soldering process is taken in
installing WSL8, temperature shall be increase by 10 deg C or 20 deg C.
Custom design: Making customer required length / width current shunt resistor is available, please mail to below.
sg@raraohm.com
Note: Printed circuit board recommendation
Better heat distribution will be expected at WSL8 when Copper foil of 90 micro meter thickness and insulated metal (Iron or
Aluminum) circuit board. Because, almost heat occurred at resistor flows through terminals.
RoHS
1.5
1.5
3.0
3.5
2.0
2.0
3.5
4.2
WSL1
WSL2
2.
5
2.
5
9.0
6.0
WSL8
2.5
2.5
9.0
10.2
WSL8A0.5milliohmF/J
Page 2 of 2
The information contained herein does not form part of
a contract and is subject to change without notice. Arcol
operate a policy of continual product development, therefore,
specifications may change.
It is the responsibility of the customer to ensure that the
component selected from our range is suitable for the intended
application. If in doubt please ask Arcol.
ARCOL UK Limited,
Threemilestone Ind. Estate,
Truro, Cornwall, TR4 9LG, UK.
T +44 (0) 1872 277431
F +44 (0) 1872 222002
E sales@arcolresistors.com
www.arcolresistors.com
2/12.33
AP5025 8 Watt Current Sense
Chip Resistors
Dimensions (mm)
Type A B C D
R0005 12.8 ±0.5 7.8 ± 0.5 2.5 max 1.3
R001 12.8 ±0.5 4.5 ± 0.5 1.5 max 1.4
R002 12.8 ±0.5 4.5 ± 0.5 1.5 max 1.4
R003 12.8 ±0.5 5.2 ± 0.5 1.5 max 1.4
R004 12.8 ±0.5 5.5 ± 0.5 1.5 max 1.4
R005 12.8 ±0.5 4.5 ± 0.5 1.5 max 1.4
R01 12.8 ±0.5 4.2 ± 0.5 0.6 max 1.3
Tel : 82-32-817-4325
Resistors And
Fax : 82-32-817-4329
Resistive Applications
Website : http://www.raraohm.com Email : sg@raraohm.com
CURRENT DETECT CHIP RESISTORS,
WSL1, WSL2, WSL8
WSL8 dimension B was revised on 2008/12/20
Specification and Performances
WSL1
WSL2
WSL8
Remarks
Resistance
0.5,
1, 2, 3, 4, 5
m
illi
ohms
0.5, 1,
2, 3, 4, 5
,10
m
illi
ohms
0.5mohm is option
TCR
+/
-
100
ppm/C(
A
)
Actually+/
-
7
0ppm/C
Tolerance
+/
-
1.0% (F), +/
-
5.0% (J)
1% is option
Rating Power
1W
2W
8W
on
metal insulated PWB.
Rating Current
30A
45A
90A
At 1
m
illi
ohm
Maximum Current
45A
65A
126A
2.5sec
onds one time
Series Inductance
2
nH
2nH
3
nH
Operating Temp.
-
55 C to 175 C
-
55 to +175 C
-
55 C to 175 C
Storage Temp.
-
55 C to 175 C
-
55 C to 175 C
-
55 C to 175 C
Features and Applications
Presenting surface mounted, low resistance value, low profile, low inductance and large impulse durable
metal plate current detectors.
Rating 1/2W, 1W and 8W selectable for your applications.
Tolerance +/-1% and TC 0 ppm/C to +50 ppm/C standard.
Current detection circuit for high speed CPU peripherals, battery charging current protections, DC-DC
conversion modules, DC-AC conversion, servo-motor control electronics, intelligent power modules, etc.
RoHS
P/N A B C D
(mm) (inch) (mm) (inch) (mm) (inch) (mm) (inch)
WSL1A--------------J(5%)/F(1%)
5.08+/-0.25
0.200+/-0.01
2.54+/-0.25
0.100+/-0.01
1.0 max
0.04 max
0.8
0.030
WSL2A0.5milliohmJ(5%)/F(1%)
6.4+/-0.3
0.250+/-0.01
8.2+/-0.3
0.320+/-0.01
2.0 max
0.08 max
0.8
0.030
WSL2A 1milliohmJ(5%)/F(1%) 6.4+/-0.3
0.250+/-0.01
4.1+/-0.3
0.161+/-0.01
1.0 max
0.04 max
0.8
0.030
WSL2A 2milliohmJ(5%)/F(1%) 6.4+/-0.3
0.250+/-0.01
3.4+/-0.3
0.133+/-0.01
1.0 max
0.04 max
0.8
0.030
WSL2A 3milliohmJ(5%)/F(1%) 6.4+/-0.3
0.250+/-0.01
3.4+/-0.3
0.133+/-0.01
1.0 max
0.04 max
0.8
0.030
WSL2A 4milliohmJ(5%)/F(1%) 6.4+/-0.3
0.250+/-0.01
2.6+/-0.3
0.102+/-0.01
1.0 max
0.04 max
0.8
0.030
WSL2A 5milliohmJ(5%)/F(1%) 6.4+/-0.3
0.250+/-0.01
4.0+/-0.3
0.157+/-0.01
1.0 max
0.04 max
0.8
0.030
WSL8A0.5milliohmJ(5%)/F(1%)
12.8+/-0.5
0.500+/-0.02
7.8+/-0.5
0.307+/-0.02
2.5 max
0.10 max
1.3
0.051
WSL8A 1milliohmJ(5%)/F(1%) 12.8+/-0.5
0.500+/-0.02
4.5+/-0.5
0.177+/-0.02
1.5 max
0.06 max
1.4
0.055
WSL8A 2milliohmJ(5%)/F(1%) 12.8+/-0.5
0.500+/-0.02
4.5+/-0.5
0.177+/-0.02
1.5 max
0.06 max
1.4
0.055
WSL8A 3milliohmJ(5%)/F(1%) 12.8+/-0.5
0.500+/-0.02
5.2+/-0.5
0.204+/-0.02
1.5 max
0.06 max
1.4
0.055
WSL8A 4milliohmJ(5%)/F(1%) 12.8+/-0.5
0.500+/-0.02
5.5+/-0.5
0.216+/-0.02
1.5 max
0.06 max
1.4
0.055
WSL8A 5milliohmJ(5%)/F(1%) 12.8+/-0.5
0.500+/-0.02
4.5+/-0.5
0.177+/-0.02
1.5 max
0.06 max
1.4
0.055
WSL8A 10milliohmJ(5%)/F(1%)
12.8+/-0.5
0.500+/-0.02
4.2+/-0.5
0.165+/-0.02
0.6 max
0.02 max
1.3
0.051
Dimension Specifications Marking
B
C
A
D
D
R00
1
F
R00
05J
R00
2
F
Structure and Material
Mangnin
Epoxy insulator
Epoxy insulator
Tin plated Cu electrode
Recommended Foot Print
AP5025 R0005
Tel : 82-32-817-4325
Resistors And
Fax : 82-32-817-4329
Resistive Applications
Website : http://www.raraohm.com Email : sg@raraohm.com
CURRENT DETECT CHIP RESISTORS,
WSL1, WSL2, WSL8
Temperature Characteristics, WSL2 Temperature Characteristics, WSL8
Recommended Foot Print (mm)
dR/R (ppm)
+4000
Slope of +30ppm/C
+2000
0
-2000
Slope of –30ppm/C
-4000
-50 0 25 50 75 100 125
Resistor Temperature ( C )
dR/R (ppm)
Dots shows typically measured.
+4000
Slope of +30ppm/C
+2000
0
-2000
Slope of –30ppm/C
-4000
-50 0 25 50 75 100 125
Resistor Temperature ( C )
Note:
Soldering
r
ecommendation
Because heat capacity of WSL8 is larger than another small chip components, when re-flow soldering process is taken in
installing WSL8, temperature shall be increase by 10 deg C or 20 deg C.
Custom design: Making customer required length / width current shunt resistor is available, please mail to below.
sg@raraohm.com
Note: Printed circuit board recommendation
Better heat distribution will be expected at WSL8 when Copper foil of 90 micro meter thickness and insulated metal (Iron or
Aluminum) circuit board. Because, almost heat occurred at resistor flows through terminals.
RoHS
1.5
1.5
3.0
3.5
2.0
2.0
3.5
4.2
WSL1
WSL2
2.
5
2.
5
9.0
6.0
WSL8
2.5
2.5
9.0
10.2
WSL8A0.5milliohmF/J
Tel : 82-32-817-4325
Resistors And
Fax : 82-32-817-4329
Resistive Applications
Website : http://www.raraohm.com Email : sg@raraohm.com
CURRENT DETECT CHIP RESISTORS,
WSL1, WSL2, WSL8
Temperature Characteristics, WSL2 Temperature Characteristics, WSL8
Recommended Foot Print (mm)
dR/R (ppm)
+4000
Slope of +30ppm/C
+2000
0
-2000
Slope of –30ppm/C
-4000
-50 0 25 50 75 100 125
Resistor Temperature ( C )
dR/R (ppm)
Dots shows typically measured.
+4000
Slope of +30ppm/C
+2000
0
-2000
Slope of –30ppm/C
-4000
-50 0 25 50 75 100 125
Resistor Temperature ( C )
Note:
Soldering
r
ecommendation
Because heat capacity of WSL8 is larger than another small chip components, when re-flow soldering process is taken in
installing WSL8, temperature shall be increase by 10 deg C or 20 deg C.
Custom design: Making customer required length / width current shunt resistor is available, please mail to below.
sg@raraohm.com
Note: Printed circuit board recommendation
Better heat distribution will be expected at WSL8 when Copper foil of 90 micro meter thickness and insulated metal (Iron or
Aluminum) circuit board. Because, almost heat occurred at resistor flows through terminals.
RoHS
1.5
1.5
3.0
3.5
2.0
2.0
3.5
4.2
WSL1
WSL2
2.
5
2.
5
9.0
6.0
WSL8
2.5
2.5
9.0
10.2
WSL8A0.5milliohmF/J
Ordering Procedure
Standard Resistor: Series, Resistance Value, Tolerance code
e.g: AP5025 R005 F
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Arcol:
AP5025 R0005 F AP5025 R005 F AP5025 R001 F AP5025 R002 F