| Allicdata Part #: | 345-1143-ND |
| Manufacturer Part#: |
902-21-1-12-2-B-0 |
| Price: | $ 3.05 |
| Product Category: | Fans, Thermal Management |
| Manufacturer: | Wakefield-Vette |
| Short Description: | HEATSINK 21X21X12MM ELLIPTICAL |
| More Detail: | Heat Sink BGA Aluminum Top Mount |
| DataSheet: |  902-21-1-12-2-B-0 Datasheet/PDF |
| Quantity: | 252 |
| 1 +: | $ 2.76570 |
| 10 +: | $ 2.69577 |
| 25 +: | $ 2.62282 |
| 50 +: | $ 2.47716 |
| 100 +: | $ 2.33138 |
| 250 +: | $ 2.18569 |
| 500 +: | $ 2.11283 |
| 1000 +: | $ 1.89426 |
| Series: | 902 |
| Part Status: | Active |
| Type: | Top Mount |
| Package Cooled: | BGA |
| Attachment Method: | Clip |
| Shape: | Square, Fins |
| Length: | 0.827" (21.00mm) |
| Width: | 0.827" (21.00mm) |
| Diameter: | -- |
| Height Off Base (Height of Fin): | 0.457" (11.60mm) |
| Power Dissipation @ Temperature Rise: | -- |
| Thermal Resistance @ Forced Air Flow: | 6.60°C/W @ 200 LFM |
| Thermal Resistance @ Natural: | 12.40°C/W |
| Material: | Aluminum |
| Material Finish: | Black Anodized |
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Thermal - Heat Sinks provide a mechanism to maintain and control a system\'s temperature. 902-21-1-12-2-B-0 represents a specific unit and its application field and working principle. The specific unit of 902-21-1-12-2-B-0 is a heat sink constructed from aluminum alloy. It is designed to transfer the heat generated by electronic components away from the source and into the ambient environment, a process known as cooling.
The thermal properties of aluminum alloy make this heat sink extremely efficient at exchanging thermal energy. The thermal conductivity of aluminum alloy is 233 W/(m•K), which is more than twice that of most other metals. This makes aluminum an ideal material for heat transfer applications. The aluminum alloy of 902-21-1-12-2-B-0 also has high thermal diffusivity, which is the rate at which heat can be transferred through a material. This is essential in order to dissipate the heat generated by electronic components that may be operating at high temperatures.
902-21-1-12-2-B-0 works in conjunction with other thermal management components, such as fans, for more efficient heat transfer. The heat sink features an array of fins on its upper surface which maximize the amount of surface area exposed to the air. This allows the unit to more effectively capture and dissipate the heat generated by the components it is connected to. The fins also help to increase the air flow around the unit in order to further improve cooling.
The working principle of the 902-21-1-12-2-B-0 heat sink relies on the concept of natural convection. Natural convection is the process of air being heated near a heat source and rising, carrying more of the heat away in the process. The fins on the 902-21-1-12-2-B-0 unit cause the air to move more efficiently, carrying away more of the heat generated by the components it is connected to. This allows the unit to more efficiently dissipate heat from the components and maintain a lower overall system temperature.
In summary, 902-21-1-12-2-B-0 is a thermal management component designed to transfer the heat generated by electronic components away from the source and into the ambient environment. It is constructed from aluminum alloy which has excellent thermal conductivity and diffusivity, making it effective at transferring heat. The heat sink also features an array of fins which increase the surface area exposed to the ambient air, allowing it to more effectively capture and dissipate the heat. The working principle of the heat sink is based on natural convection, which is the process of the air being heated near a heat source and rising, carrying away more of the heat in the process. 902-21-1-12-2-B-0 is an effective method for controlling the temperature of a system and can be used in a variety of applications.
The specific data is subject to PDF, and the above content is for reference