HS
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 R005 to 100K
•
Custom designs welcome
•
RoHS Compliant
Characteristics
Tolerance (Code):
Tolerance for low Ω values:
Temperature coefficients:
Insulation resistance (Dry):
Power dissipation:
Ohmic values:
Low inductive (NHS):
NHS ohmic value:
NHS working volts:
Standard ±5% (J) and ±10% (K). Also available ±1% (F), ±2% (G) and ±3% (H)
Typically ≥ R05 ±5% ≤ R047 ±10%
Typical values < 1K 100ppm Std. > 1K 25ppm Std. For lower TCR’s please contact Arcol
10,000 MΩ minimum
At high ambient temperature dissipation derates linearly to zero at 200°C
From R005 to 100K depending on wattage size
Specify by adding N before HS Series code, e.g. NHS50
Divide standard HS maximum value by 4
Divide standard HS maximum working voltage by 1.414
Temp. Rise & Power Dissipation
Surface temperature of resistor related to power dissipation.
The resistor is standard heatsink mounted using a proprietary
heatsink compound.
200
S URFACE T E M P E R ATU RE RIS E(˚ C)
Heat Dissipation
Heat dissipation: Whilst the use of proprietary heat sinks
with lower thermal resistances is acceptable, uprating is not
recommended. For maximum heat transfer it is recommended
that a heat sink compound be applied between the resistor
HS300
HS50
HS150
HS250
base and heat sink chassis mounting surface. It is essential that
the maximum hot spot temperature of 200°C is not exceeded,
therefore, the resistor must be mounted on a heat sink of
correct thermal resistance for the power being dissipated.
HS200
100
HS25
HS15
HS10
HS75
HS100
Ordering Procedure
50
75
100
150
200
250
300
5
0
20
Standard Resistor. To specify standard: Series, Watts, Ohmic
Value, Tolerance Code, e.g.: HS25 2R2 J
Non Inductive Resistor. To specify add N, e.g.: NHS100 10R J
P O W E R DISSI PATIO N ( 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.
For more information and ordering, please consult
www.arcolresistors.com
12/14.08
Page 1 of 2
HS
Series Resistor Terminations
The HS Range of Aluminium Housed Resistors has
been designed for a variety of solder, cable, threaded
and fast on terminations. If you need a special
termination design for your application, please contact
us for advice.
For electrical and mechanical specifications please refer
to HS Series datasheet - Aluminium Housed Power
Resistors.
HS _ _ _ - Standard Pressed Termination
Available on HS10-50, 75-150
HS _ _ _ J - Unpressed Termination
Available on HS10-50, 75-150
HS _ _ _ X - Extended Mouldings
To increase creepage and strike distance between terminal and
housing. Available on HS10-50, HS75-150
Also available on HS200-300 E6 using stud mounted resin disk
HS _ _ _ M - 6.35mm Spade Termination
Amp style push on connection
Available on HS10-50, HS75-150
HS _ _ _ Drawing No. - Attached Termination To Drawing
Available on HS10-50, HS75-150
HS _ _ _ E - Threaded Stud Termination
Available on HS25-50 E3, HS75-150 E4 or E6, HS200-300 E6
HS _ _ _ F - Leaded Termination
Leads fitted and insulated externally after moulding
Available with standard lead lengths on HS10-50 150mm,
HS75-150 150mm, HS200-300 300mm
Extra length available on request at extra charge
For other special terminations, high voltage, low inductance windings, water cooled type HSW600 etc. please contact Arcol sales.
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.
Page 1 of 1
3 / 06.48
www.arcolresistors.com
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