Technical Information
Design for Installation (Foolproof/Poka-yoke design options)
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Alpha can help customers to deign heat sink assemblies with Fool-Proof/Poka-Yoke features to help minimize or prevent errors when heat sinks are installed by operators.
These features can prevent heat sink assemblies from being installed in the wrong direction or orientation.
Examples of these features are asymmetrical hole patterns for mounting pins or screws, orientation notches, location pins, as well as other features.
In order to incorporate these features into new designs, please contact Alpha/Alpha Novatech sales for details.
| Asymmetrical mounting holes |  |
|---|---|
Asymmetrical hole pattern will prevent the operator from installing the heatsink in the wrong orientation. A very effective option, if the hole layout is open/flexible. Features
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| Orientation Notch |  |
|---|---|
This notch will act as a visual indicator to the operator. We recommend a corresponding notch pattern to be silkscreened on the PCB surface. A good/inexpensive option, especially if the hole layout is already frozen. Features
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| Location Pin |  |
|---|---|
A pin installed in the heat sink base will mate with a matching hole in the PCB, preventing the heatsink from being installed incorrectly. A very effective option if the hole layout is already frozen. A relatively expensive option that will require a hole in the PCB for the pin. Features
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