datasheets

AP140 140W TO-247 High Power
Resistors
A T0-247 resistor pack with low thermal resistance and
capable of dissipating 140 watts High specification materials
aid rapid heat transfer to heat sink via thermal grease
• Power Dissipation 140 watts (tab temp max 25°C) 5 watts no h/s
• Value Range
R01 – 51K
• Tolerance Options ±1% or ±5%
• TCR Options
±50 - 250ppm/°C (re ohmic value)
• Maximum Voltage 700Vdc or √(P.R)
• Dielectric Strength 2500 Vac (60 secs)
• Special Features
Extremely low thermal resistance at 0.9°C/W resistor hotspot to metal tab.
RoHS Compliant
Characteristics
Item
Specifications
Test Conditions
Power Rating
140 Watts
Power Rating
5.0 Watts
Resistance Range
TCR
Tolerance
R01-R09
250PPM/°C
±5%(J)
R1-9R1
@ Tab Temp < 25°C
Free air
10R-51K
100PPM/°C
±1%(F), 5%(J)
50PPM/°C
-55 to +155°C
±1%(F), 5%(J)
Operation Temp. Range
-55°C to +155°C
Max. Operating Volt
700V or √PR
Dielectric Withstanding Volt
2500Vac
60 seconds
Load Life
∆R ± (1.0 % + 0.05Ω)
25°C, 90 min ON, 30 OFF, 1000hrs
Humidity
∆R ± (1.0 % + 0.05Ω)
40°C, 90-95%RH, DC 0.1W, 1000hrs
Temp. Cycle
∆R ± (0.25 % + 0.05Ω)
-55°C, 30 min, +155°C, 30 min, 5
Soldering Heat
∆R ± (0.25% + 0.05Ω)
250 ± 5°C, 3 seconds
Solder ability
OVER 95% of surface
230 ± 5°C, 3 seconds
Insulation Resistance
Over 1,000 MΩ
Between terminals and tab
Vibration
∆R ± (0.25 % + 0.05Ω)
cycles
ARCOL UK Limited,
The information contained herein does not form part of
Threemilestone Ind. Estate,
a contract and is subject to change without notice. Arcol
Truro, Cornwall TR4 9LG, UK.
operate a policy of continual product development therefore,
T +44 (0) 1872 277431 specifications may change.
F +44 (0) 1872 [email protected]
www.arcolresistors.com
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.
Page 1 of 2
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AP140 140W TO-247 HIGH POWER
RESISTORS
Derating Curve
Temperature Rise
Power rating (W)
Temperature (ºC)
140
+20ºC
150
120
125
100
100
80
75
60
50
40
25
+155ºC
0
-50
0
50
100
150
20
200
0
25
50
Flange temperature (ºC)
Dimensions (mm)
75
100
125
150
Power (W)
Structure and Material
Mounting Arrangement
Ordering Procedure
Standard Resistor: Series, Resistance and Tolerance Code.
e.g. AP140 500R F
NOTES:
1. Electrically isolated metal tab.
2. Recommended the use of thermal grease between metal tab and heat sink.
3. Thermal design should account for a thermal resistance between resistor and tab of 1.3°C/W and a maximum resistor temperature
of 155°C.
4. Current rating 25A maximum.
ARCOL UK Limited,
The information contained herein does not form part of
Threemilestone Ind. Estate,
a contract and is subject to change without notice. Arcol
Truro, Cornwall TR4 9LG, UK.
operate a policy of continual product development therefore,
T +44 (0) 1872 277431 specifications may change.
F +44 (0) 1872 [email protected]
www.arcolresistors.com
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.
Page 2 of 2
2/11.29