HSE-B250-04H CUI Devices

Additional Resources: Product Page 3D Model date 02/11/2020 page 1 of 5 SERIES: HSE-BX-04H-01 DESCRIPTION: HEAT SINK FEATURES TO-220 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-B250-04H 25 9.38 13.60 3.26 2.25 8.00 HSE-B500-04H 50 6.15 8.05 2.88 2.12 12.20 HSE-B630-04H 63 5.21 9.37 2.31 1.86 14.40 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-B250-04H 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 13.60 3.26 2.25 2 24.62 6.61 4.65 50 3 34.26 10.05 7.18 40 4 43.45 13.46 9.67 30 5 51.69 16.85 12.11 6 60.18 20.16 14.49 20 7 68.13 23.72 17.06 10 8 75.33 27.06 19.37 0 9 82.77 30.36 21.85 01 23 45 6789 10 10 90.41 34.06 24.45 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-BX-04H-01 DESCRIPTION: HEAT SINK date 02/11/2020 page 2 of 5 PERFORMANCE CURVES (CONTINUED) HSE-B500-04H 100 Without Airflow Heatsink Temperature Rise Above 90 200 LFM Ambient (T = Ths - Ta) (C) 400 LFM Power Natural 80 200 LFM 400 LFM (W) Conv. 0 0 0 0 70 1 8.05 2.88 2.12 60 2 15.65 6.20 3.91 50 3 22.61 9.34 6.03 4 29.06 12.43 8.12 40 5 35.34 15.82 10.15 30 6 41.17 18.99 12.26 20 7 46.96 22.14 14.37 8 53.06 24.84 16.58 10 9 58.73 28.02 18.67 0 012 34 5 6 789 10 11 12 13 14 15 10 63.92 31.30 20.68 Dissipated Power (W) 11 69.02 34.30 22.85 12 74.20 37.50 25.06 13 78.99 40.75 27.25 14 83.83 43.67 29.22 15 88.40 46.82 31.27 Ths: hot spot temperature measured on the heatsink Ta: ambient temperature cuidevices.com Mounting Surface Temperature Rise Above Ambient (C)