HSE-B20250-040H-01 CUI Devices

Additional Resources: Product Page 3D Model date 02/10/2020 page 1 of 5 SERIES: HSE-B20X-01 DESCRIPTION: HEAT SINK FEATURES TO-220 package placement pins for secure PCB attachment slide in style 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-B20250-040H-01 25 13.64 18.58 4.44 3.30 5.50 HSE-B20380-040H-01 38 10.27 13.31 5.77 3.68 7.30 HSE-B20500-040H-01 50 8.43 11.67 2.85 1.91 8.90 HSE-B20630-040H-01 63 8.24 11.01 4.46 2.97 9.10 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-B20250-040H-01 100 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 1 18.58 4.44 3.30 60 2 33.32 9.59 6.21 50 3 45.87 14.21 9.38 40 4 58.26 18.79 12.55 5 69.68 23.71 15.95 30 6 82.14 28.49 19.39 20 7 92.93 32.90 22.71 10 8 102.15 37.44 25.85 9 110.43 42.50 29.39 0 01 23 45 6789 10 10 117.47 47.13 32.50 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-B20X-01 DESCRIPTION: HEAT SINK date 02/10/2020 page 2 of 5 PERFORMANCE CURVES (CONTINUED) HSE-B20380-040H-01 100 Without Airflow Heatsink Temperature Rise Above 90 Ambient (T = Ths - Ta) (C) 200 LFM 400 LFM Power Natural 80 200 LFM 400 LFM (W) Conv. 0 0 0 0 70 1 13.31 5.77 3.68 60 2 23.81 11.53 7.60 50 3 35.45 17.15 11.49 4 46.08 22.72 15.29 40 5 55.96 28.33 19.24 30 6 64.57 33.55 22.98 20 7 73.20 38.93 26.79 8 81.80 44.23 30.63 10 9 89.50 50.00 34.54 0 01 23 45 6789 10 10 97.33 55.53 38.67 Dissipated Power (W) Ths: hot spot temperature measured on the heatsink Ta: ambient temperature HSE-B20500-040H-01 100 Heatsink Temperature Rise Above Without Airflow 90 Ambient (T = Ths - Ta) (C) 200 LFM Power Natural 400 LFM 80 200 LFM 400 LFM (W) Conv. 70 0 0 0 0 1 11.67 2.85 1.91 60 2 22.26 5.68 4.07 50 3 31.61 8.58 6.11 4 40.44 11.07 8.18 40 5 49.31 14.07 10.26 30 6 57.03 16.67 12.51 20 7 62.88 19.49 14.23 8 69.61 22.33 16.13 10 9 76.25 25.14 18.16 0 01 23 45 6789 10 10 83.27 28.02 20.35 Dissipated Power (W) Ths: hot spot temperature measured on the heatsink Ta: ambient temperature cuidevices.com Mounting Surface Temperature Mounting Surface Temperature Rise Above Ambient (C) Rise Above Ambient (C)