HSS-B20-043H-01

Series:	--
Part Status:	Active
Type:	Board Level, Vertical
Package Cooled:	TO-220
Attachment Method:	PC Pin
Shape:	Rectangular, Angled Fins
Length:	0.211" (5.35mm)
Width:	0.874" (22.20mm)
Diameter:	--
Height Off Base (Height of Fin):	1.250" (31.75mm)
Power Dissipation @ Temperature Rise:	2.9W @ 75°C
Thermal Resistance @ Forced Air Flow:	8.18°C/W @ 200 LFM
Thermal Resistance @ Natural:	26.13°C/W
Material:	Aluminum
Material Finish:	Black Anodized

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HSS-B20-043H-01 Thermal - Heat Sinks: Application Field and Working Principle

The heat sink, or thermal cooler, is a device for cooling heat-generating components. It functions as an interface between the component and its environment. It absorbs heat from the component, disperses it into the atmosphere, and keeps the component’s temperature near or below its normal operating temperature. Among all kinds of heat sinks, the HSS-B20-043H-01 series are thermally efficient, highly reliable, and cost-effective thermal coolers. The HSS-B20-043H-01 series can be widely applied to system with efficient cooling needs in various industries, such as telecommunication, aerospace, medical imaging and so on. It is well-suited for applications that require low acoustic noise with an optimal balance of performance and cost. The HSS-B20-043H-01 series heat sinks are designed to dissipate heat by promoting forced convection, in which the air is moved by a fan. It has proved to be the most efficient way of heat removal. The series is composed of electrical heat Generators, Aluminum fins, and Fluid chambers (or reservoir).The heat generators, with electrical resistance elements, generate heat through electric current and transfer it to the Aluminum fins. The combinations of different sizes of fins and tubes are designed to maintain uniform temperature distribution as well as low-pressure drop, which improves thermal balance and ensures efficient heat dissipation. The fluid chambers serve as a reservoir for a coolant like refrigerant, that has a low boiling point. During evaporative cooling, the liquid refrigerant absorbs the heat generated by the heat sink and is converted into steam. The steam is in turn condensed by a liquid-filled heat exchanger, allowing it to be reused in a closed-loop cycle.The combination of the heat generator, aluminum fins, and fluid chambers produces a powerful and efficient solution that can handle a range of cooling requirements. Its small size makes it suitable for cramped spaces and it is incredibly reliable, with a long lifetime even when exposed to variable conditions. The heat sink is also very costeffective, due to its low raw material cost and short production times.In conclusion, the HSS-B20-043H-01 series of heat sinks is a reliable and cost-effective device for cooling high-heat-generating components. It can be applied in a variety of industries, and its small size and efficient thermal performance make it an attractive choice for cooling system integrators.

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