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): Standard 5% (J) and 10% (K). Also available 1% (F), 2% (G) and 3% (H) Tolerance for low values: Typically R05 5% R047 10% Temperature coefficients: Typical values < 1K 100ppm Std. > 1K 25ppm Std. For lower TCRs please contact Arcol Insulation resistance (Dry): 10,000 M minimum Power dissipation: At high ambient temperature dissipation derates linearly to zero at 200C Ohmic values: From R005 to 100K depending on wattage size Low inductive (NHS): Specify by adding N before HS Series code, e.g. NHS50 NHS ohmic value: Divide standard HS maximum value by 4 NHS working volts: Divide standard HS maximum working voltage by 1.414 Temp. Rise & Power Dissipation Heat Dissipation Surface temperature of resistor related to power dissipation. Heat dissipation: Whilst the use of proprietary heat sinks The resistor is standard heatsink mounted using a proprietary with lower thermal resistances is acceptable, uprating is not heatsink compound. recommended. For maximum heat transfer it is recommended that a heat sink compound be applied between the resistor 200 HS300 base and heat sink chassis mounting surface. It is essential that the maximum hot spot temperature of 200C is not exceeded, HS150 HS250 HS50 HS200 therefore, the resistor must be mounted on a heat sink of HS25 correct thermal resistance for the power being dissipated. 100 HS100 HS75 HS15 HS10 Ordering Procedure 5 Standard Resistor. To specify standard: Series, Watts, Ohmic 0 20 50 75 100 150 200 250 300 POWER DISSIPATION (WATTS) Value, Tolerance Code, e.g.: HS25 2R2 J Non Inductive Resistor. To specify add N, e.g.: NHS100 10R J 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 It is the responsibility of the customer to ensure that the E sales arcolresistors.com 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 Page 1 of 2 12/14.08 SURFACE TEMPERATURE RISE(C)HS Aluminium Housed Resistors Electrical Specifications Power Typical Standard heatsink Watts Style rating Resis- Limiting Voltage Voltage Approx surface with no Size MIL-R on std. tance element proof AC proof AC weight rise HS heatsink Thickness 2 18546 heatsink range voltage Peak rms. gms mounted cm 25C mm 25C HS10 RE 60 10 5 R005-10K 160 1400 1000 4 5.8 415 1 HS15 RE 65 15 7 R005-10K 265 1400 1000 7 5.1 415 1 HS25 RE 70 25 9 R005-36K 550 3500 2500 14 4.2 535 1 HS50 RE 75 50 14 R01-86K 1250 3500 2500 32 3.0 535 1 HS75 75 24 R01-50K 1400 6363 4500 85 1.1 995 3 HS100 100 30 R01-70K 1900 6363 4500 115 1.0 995 3 HS150 150 45 R01-100K 2500 6363 4500 175 1.0 995 3 HS200 200 50 R01-50K 1900 7070 5000 475 0.7 3750 3 HS250 250 55 R01-50K 2200 7070 5000 600 0.6 4765 3 HS300 300 60 R01-68K 2500 7070 5000 700 0.6 5780 3 HS10-HS300 Standard Resistor Centre hole in 150 Watts only J J J L L L 6mm 2.1 0.1 3.0 0.1 HS 10, 15, 25, 50 G A G A HS 200, 250, 300 G A HS 75, 100, 150 3.2 2.0 max. 0.25 * = = = = F F F E E E M B B B D D D C C C H H H K K K Dimensions (mm) Size A Max B Max C Max D Max E Max F0.3 G0.3 H Max J Max K Max L 0.25* M Max HS10 16.5 30.0 8.8 8.5 15.9 11.3 12.4 4.5 2.4 1.8 2.4 HS15 21.0 36.5 11.0 11.2 19.9 14.3 15.9 5.5 2.8 1.8 2.4 HS25 28.0 51.0 14.8 14.2 27.3 18.3 19.8 7.7 5.2 2.6 3.2 HS50 28.0 72.5 14.8 14.2 49.1 39.7 21.4 8.4 5.2 2.6 3.2 HS75 47.5 72.0 24.1 27.3 48.7 29.0 37.0 11.8 10.4 3.7 4.4 HS100 47.5 88.0 24.1 27.3 65.2 35.0 37.0 11.8 15.4 3.7 4.4 HS150 47.5 121.0 24.1 27.3 97.7 58.0 37.0 11.8 20.4 3.7 4.4 HS200 72.5 145.7 41.8 45.5 89.7 70.0 57.2 20.5 10.4 5.5 5.1 103.4 HS250 72.5 167.0 41.8 45.5 109.7 89.0 57.2 20.5 10.4 5.5 5.1 122.4 HS300 72.5 184.4 41.8 45.5 127.7 104.0 59.0 20.5 12.4 5.5 6.6 141.4 * HS200-HS300 Watts is 0.45 Page 2 of 2 12/14.08