HSE-B18254-035H CUI Devices

Additional Resources: Product Page 3D Model date 08/17/2020 page 1 of 7 SERIES: HSE-B18X-035H DESCRIPTION: HEAT SINK FEATURES TO-218 package placement pins for secure PCB attachment round hole for component attachment multiple available cut lengths 1 thermal resistance power MODEL 1 dissipation length 75C T, 1 W, 1 W, 1 W, 75C T, nat conv nat conv 200 LFM 400 LFM nat conv (mm) (C/W) (C/W) (C/W) (C/W) (W) HSE-B18254-035H 25.4 9.26 13.52 3.09 2.86 8.10 HSE-B18317-035H 31.75 7.65 10.96 3.63 2.80 9.80 HSE-B18381-035H 38.1 6.25 8.34 3.52 2.48 12.00 HSE-B18508-035H 50.8 5.86 8.63 2.98 2.21 12.80 HSE-B18635-035H 63.5 4.49 6.61 2.24 1.22 16.70 Note: 1. See performance curves for full thermal resistance details. 2. Custom cut to length options available. Thermal data not available on custom lengths. PERFORMANCE CURVES HSE-B18254-035H 100 Without Airflow Heatsink Temperature Rise Above 90 200 LFM Ambient (T = Ths - Ta) (C) 400 LFM 80 Power Natural 200 LFM 400 LFM (W) Conv. 70 0 0 0 0 60 1 13.52 3.09 2.86 2 24.58 6.19 4.94 50 3 33.71 9.47 7.42 40 4 42.65 12.64 9.60 30 5 51.54 15.85 12.11 6 58.98 18.94 14.54 20 7 67.25 22.34 16.84 10 8 74.76 25.54 19.31 0 9 82.16 28.87 21.66 01 2345 678 910 10 89.43 31.89 23.95 Dissipated Power (W) Ths: hot spot temperature measured on the heatsink Ta: ambient temperature cuidevices.com Mounting Surface Temperature Rise Above Ambient (C)Additional Resources: Product Page 3D Model CUI Devices SERIES: HSE-B18X-035H DESCRIPTION: HEAT SINK date 08/17/2020 page 2 of 7 PERFORMANCE CURVES (CONTINUED) HSE-B18317-035H 100 Without Airflow Heatsink Temperature Rise Above 90 200 LFM Ambient (T = Ths - Ta) (C) 400 LFM 80 Power Natural 200 LFM 400 LFM (W) Conv. 70 0 0 0 0 60 1 10.96 3.63 2.80 50 2 20.38 7.98 5.65 3 29.02 12.37 8.21 40 4 36.58 16.50 10.28 30 5 43.86 20.35 13.11 20 6 51.12 24.67 16.43 10 7 58.09 28.82 19.32 0 8 64.74 33.13 22.54 01 23 45 6 789 10 11 12 13 14 15 Dissipated Power (W) 9 70.97 37.07 25.55 10 76.83 41.01 28.51 11 83.01 45.19 31.32 12 88.74 49.10 33.54 13 94.93 53.11 35.98 14 100.86 57.05 39.63 15 106.26 61.16 42.76 Ths: hot spot temperature measured on the heatsink Ta: ambient temperature cuidevices.com Mounting Surface Temperature Rise Above Ambient (C)