HSS-B20-0452H

Additional Resources: Product Page date 02/12/2020 page 1 of 3 MODEL: HSS-B20-0452H │ DESCRIPTION: HEAT SINK TO-220 package shur-lock tabs black anodized finish aluminum N U • • • • ED FEATURES MODEL thermal resistance1 @ 75°C ΔT, nat conv (°C/W) @ 1 W, nat conv (°C/W) @ 1 W, 200 LFM (°C/W) @ 1 W, 400 LFM (°C/W) @ 75°C ΔT, nat conv (W) 23.81 31.83 6.40 4.74 3.15 TI HSS-B20-0452H Note: power dissipation1 1. See performance curves for full thermal resistance details. N PERFORMANCE CURVES 100 0 0 1 31.83 Mounting Surface Temperature Rise Above Ambient (°C) Natural Conv. 200 LFM 400 LFM 0 0 6.40 4.74 IS C Power (W) 90 O Heatsink Temperature Rise Above Ambient (ΔT = Ths - Ta) (°C) 2 55.26 12.91 9.31 3 72.42 19.27 13.93 4 86.68 25.77 18.75 5 101.18 32.39 23.22 200 LFM 400 LFM 70 60 50 40 30 20 10 0 0 D Ths: “hot spot” temperature measured on the heatsink Ta: ambient temperature 80 Without Airflow cuidevices.com 1 2 3 Heat Dissipated (W) 4 5 Additional Resources: Product Page CUI Devices │ MODEL: HSS-B20-0452H │ DESCRIPTION: HEAT SINK date 02/12/2020│ page 2 of 3 MECHANICAL DRAWING MATERIAL AL5052 FINISH black anodized ED units: mm tolerance: ±0.5 mm 0.8 mm PIN MATERIAL phosphor copper PIN PLATING tin WEIGHT 2.0 g D IS C O N TI N U THICKNESS cuidevices.com Additional Resources: Product Page CUI Devices │ MODEL: HSS-B20-0452H │ DESCRIPTION: HEAT SINK date 02/12/2020│ page 3 of 3 REVISION HISTORY description date 1.0 initial release 03/30/2017 1.01 brand update ED rev. 02/12/2020 D IS C O N TI N U The revision history provided is for informational purposes only and is believed to be accurate. CUI Devices offers a one (1) year limited warranty. Complete warranty information is listed on our website. CUI Devices reserves the right to make changes to the product at any time without notice. Information provided by CUI Devices is believed to be accurate and reliable. However, no responsibility is assumed by CUI Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. CUI Devices products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. cuidevices.com