HS Aluminium Housed Resistors Manufactured in line with the requirementsof MIL 18546 andIEC 1 15,designed f or directheatsink mounting with thermal compound to achieve maximum performance. High Powert ov olume Woundt o maximise High Pulse Capability Valuesf rom R005t o 100K Custom designsw elcome RoHSC ompliant Characteristics Tolerance (Code): Standard 5%( J)a nd 10%( K). Also available 1%( F), 2%( G) and 3% (H) Tolerance for low values: Typically R05 5% R047 10% Temperature coefficients: Typicalv alues < 1K 100ppm Std. > 1K 25ppm Std. Forl owerT CRs please contact Arcol Insulation resistance( Dry): 10,000 M minimum Power dissipation: Ath igha mbientt emperature dissipationd eratesl inearlyt oz ero at 200C Ohmicv alues: From R005 to 100K depending onw attage size Low inductive (NHS): Specify bya dding N beforeH SS eries code, e.g. NHS50 NHS ohmicv alue: Divides tandardH Sm aximum value by 4 NHS workingv olts: Divide standardH Sm aximumw orking voltage by 1.414 Temp. Rise & Power Dissipation Heat Dissipation Surface temperature of resistorr elated to power dissipation. Heat dissipation: Whilst theu se of proprietaryh eat sinks Ther esistori ss tandardh eatsink mounted using a proprietary with lowert hermal resistancesi s acceptable, upratingi sn ot heatsink compound. recommended.F or maximum heatt ransfer iti sr ecommended that a heats inkc ompound bea pplied between the resistor 200 HS300 basea nd heat sink chassis mountings urface. It is essential that HS250 them aximum hot spot temperature of 200C is not exceeded, HS50 HS150 HS200 therefore,t her esistor must be mountedo na h eat sink of HS25 correct thermalr esistance for thep ower being dissipated. 100 HS100 HS75 HS15 HS10 Ordering Procedure 5 StandardR esistor .T os pecifys tandard: Series, Watts,O hmic 0 20 50 75 100 150 200 250 300 POWER DISSIPATION (WATTS) Value,T oleranceC ode, e.g.: HS252 R2 J NonI nductiveR esistor . To specify add N, e.g.:N HS100 10RJ ARCOL UK Limited, The informationc ontainedh erein does notf ormp art of Threemilestone Ind. Estate, ac ontract andi s subject to changew ithout notice. Arcol Truro, Cornwall, TR49 LG,U K. operate a policy of continualp roductd evelopment, therefore, T +44 (0)1 8722 77431 specifications mayc hange. F +44 (0)1 872 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 pleasea sk Arcol. www.arcolresistors.com Page 1 of 2 10/ 0 5.45. SURFACE TEMPERATURE RISE(C)HS Aluminium Housed Resistors Electrical Specicfi ations Power rat- Watts Typical Standard heatsink Style Resis- Limiting Voltage Voltage Approx ing on std. with no surface Size MIL-R tance element proof AC proof AC weight heatsink heatsink rise HS 18546 range voltage Peak rms. gms AreaCM Thick- 25C 25C mounted 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 G A HS 75, 100, 150 HS 200, 250, 300 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 14.6 14.0 27.3 18.3 19.8 7.3 4.7 2.6 3.2 HS50 29.7 72.5 14.8 14.2 49.1 39.7 21.4 8.5 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 10 /0 5.45.