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Accessory - Quick Set


Quick Set Pictures

Heat sinks are mounted directly to the board by a Z-Shaped Wire Clip, but only take up a minimum of board real estate. Attachment force and shock loads are transmitted to the PCB instead of the chip and solder balls. The compression load from the clip applies the appropriate mounting force for the heat sink and generates the pressure required for proper thermal interface material performance.

PCB Board Holes

A minimum of 2 through holes are required in the board. The hole diameter must be 1.8mm(.071").

Features and advantages

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Small PCB Area

Mounting pins only require 1.8mm[.071"] diameter holes in the PCB.
Small footprint greatly reduces the amount of PCB space sacrificed for heat sink attachment, minimizing or eliminating the need to move board traces.

Stable & Robust

Heat sinks are mechanically attached to the PCB instead of the chip package or substrate.
Shock and vibration loads are transferred to the PCB
instead of the chip and solder balls.

Location Guide

Heat sink location and orientation is precisely set by anchor and pin. The possibility of damaging the chip, heat sink, or thermal interface material during installation is greatly reduced as well as the possibility of installing the heat sink in the wrong orientation or location.


Heat sink comes pre-assembled with clip, ready for installation.


Press and slide to install. Easy!

Installation Procedure

Guidance for installing procedure

1. Insert anchor pin

1. Align heat sink with chip and mounting pins.

2. set heatsink

2. Insert pins into anchor holes.

3. Set clip

3. Set clip

3-1. Press

3-1. Press and lock anchor slides.

3-2. Lock

3-2. Press and lock anchor slides.

4. Reverse side

4. Reverse side

5. Done

5. Done!

Removal Procedure

Removal procedure can be done in the reverse order of the installation procedure.
If a phase change material is used with the heat sink, remove all of the phase change material, and make sure there is no residue left on the heat sink or chip surfaces. Apply a new piece of thermal interface material after cleaning.

Load Adjustment

The attachment load can be changed by adjusting the load adjustment pin height.

How to determine the attachment force/load:

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  1. Determine Y value : Y = PCB thickness + Chip height
  2. Make sure that Y value is within the working range.
  3. Choose K value from graph.

If the attachment force needs to be modified, requiring a different pin height,
please contact Alpha sales.

load adjustment

Related Information

QuickSet Series heat sink
Shock and Vibration Test
Attachment accessory

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