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): Standard 5% (J). Please contact Arcol for lower requirements Tolerance for low values: 1R 100ppm, 1-50R 50ppm, 50R 25ppm Temperature coefficients: R1 - 30K Insulation resistance (dry): 10,000 M minimum Power derating: At high ambient temperatures dissipation derates linearly to zero at 200C Low inductive (NHS): Specify by adding N before HSW code, e.g. NHSW600 NHS ohmic value: Max value for NHSW600 is 10K ohms Electrical Specifications Power rating on Resistance Limiting ele- Voltage proof Stability R % Approx Typical surface temp. Standard heatsink standard heat- range ohms ment voltage AC peak per 1000hrs weight rise C/W std. heat (aluminium) RTH sink 25C DC/AC rms gms sink mounted 600 watts R1 - 30K 2200 3000 3% 625 0.19 C/W 0.04 C/W Power Rating Ordering Procedure 600 watts mounted on 3750cm x 3mm aluminium plate with Standard Resistor To specify standard: Series, Watts, Ohmic 25C water flowing at a rate of 2 litres per minute. Value, Tolerance Code, e.g.: HSW600 10R J Non Inductive Resistor To specify add N, e.g.: 200 175 NHSW600 2R2 J 150 125 100 75 50 25 0 0 100 200 300 400 500 600 700 800 900 1000 Power Dissipation (Watts) 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 222002 It is the responsibility of the customer to ensure that the component E sales arcolresistors.com selected from our range is suitable for the intended application. If in doubt please ask Arcol. www.arcolresistors.com Page 1 of 2 5 / 05.45 Surface Temperature Rise (C)HSW Aluminium Housed Resistors Dimensions (mm) 5.10.25 12.7 = = 89.00.3 12.50.4 114.00.1 190.0 MAX SURFACE TEMPERATURE MEASURING POINT * Standard water pipe 12.7 OD in beaded copper. PTFE insulated flexible lead - 19/0.45. 45.0 MAX 20.00.2 5.00.2 57.20.3 72.00.5 Page 2 of 2 5 / 05.45