FPA250 Thick Film Power Resistors
Due to a Non-Inductive design these elements are ideally suited
for high frequency and pulse load applications.
• Non Inductive Performance for HF Applications
• Power Applications 100W to 250W
• Very Good Power/Volume Ratio
• RoHS Compliant
Characteristics
Power rating:
250W (heatsink at 50°C)
Typical inductance:
40nH typical
Resistance range:
From 1R to 2M E6 Series
Parallel capacitance:
≤40pF
Tolerance (Code):
Standard J (±5%)
Capacitance/Mass:
≤110pF
Also available F (±1%) on request
Heatsink flatness:
0.05mm max
Temperature coefficient:
100ppm/°C
Heatsink surface finish:
≤6.4 µm max
Max working voltage:
5k Vdc
Thermal grease:
Required
Working temperature range:
-55°C to +155°C
Max torque for contacts:
2Nm (static)
Dielectric strength:
7kV
Max torque for mounting:
1.8Nm (static)
Insulation resistance:
≥ 10Gohm at 500V
Creepage distance:
42mm min
Ordering Procedure
Derating Curve
100
Standard Resistor Specify Series, Watts, Ohmic Value,
Tolerance Code
75
Rated Power %
e.g.: FPA250 10R J
50
25
0
0
25
50
100
125
155
Temperature °C
ARCOL UK Limited,
The information contained herein does not form part of a
Threemilestone Ind. Estate,
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 222002
E sales@arcolresistors.com
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.
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FPA250 Thick Film Power Resistors
Dimensions (mm)
1
M5
ø21 ø17
ø12.8
28.5
28.5
4 R2
R1
ø12.5
R2
60 36 ø4.6
5
ø21
3
34
2
14
40.5
16.5
57
21.5
67
26
Pulse rating
For pulse duration >5.0 µS, and at maximum allowed voltage levels, the maximum peak energy of 0.3J is limited by the average power
rating of 250W. For pulse duration times
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