HSW
Aluminium Housed Resistors
Manufactured in line with the requirements of MIL
18546 and IEC 115, designed for direct heatsink
mounting with thermal compound to achieve maximum
performance.
•
High Power to volume
•
Wound to maximise High Pulse Capability
•
Values from R1 to 30K
•
Custom designs welcome
•
RoHS Compliant
Characteristics
Tolerence (Code):
Tolerance for low Ω values:
Temperature coefficients:
Insulation resistance (dry):
Power derating:
Low inductive (NHS):
NHS ohmic value:
Standard ±5% (J). Please contact Arcol for lower requirements
≤ 1R 100ppm, 1-50R 50ppm, ≥ 50R 25ppm
R1 - 30K
10,000 MΩ minimum
At high ambient temperatures dissipation derates linearly to zero at 200°C
Specify by adding N before HSW code, e.g. NHSW600
Max value for NHSW600 is 10K ohms
Electrical Specifications
Power rating on
standard heat-
sink @ 25C
600 watts
Resistance
range ohms
R1 - 30K
Limiting ele-
ment voltage
DC/AC rms
2200
Voltage proof
AC peak
3000
Stability
▲R
%
per 1000hrs
3%
Approx
weight
gms
625
Typical surface temp.
rise °C/W std. heat
sink mounted
0.19 °C/W
Standard heatsink
(aluminium) RTH
0.04 °C/W
Power Rating
600 watts mounted on 3750cm² x 3mm aluminium plate with
25°C water flowing at a rate of 2 litres per minute.
200
175
150
125
100
75
50
25
0
Surface T
emperature
Rise (˚C)
Ordering Procedure
Standard Resistor To specify standard: Series, Watts, Ohmic
Value, Tolerance Code, e.g.: HSW600 10R J
Non Inductive Resistor To specify add N, e.g.:
NHSW600 2R2 J
0 100 200 300 400 500 600 700 800 900 1000
Power Dissipation (Watts)
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
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.
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