Power Electronics / Power Management


Fans with high airflow rate

25 October 2000 Power Electronics / Power Management

Instrument Specialties has expanded its offering of removable lid PCB shields and now offers four standard sizes. These patent pending PCB shields have a solid top, scored to allow peel off when access to board level components within the shield is required.

The peel off feature prevents damage to the board and components by eliminating the need for labour intensive desoldering which can often result in increased scrap. Peeling off the lid is accomplished by using a small starter hole for simple removal. This hand operation requires minimal force using a simple hook scriber or tweezers.

After repair, replacement or adjustment of internal components, the board shield can be resealed using a replacement lid. Instrument Specialties offers two replacement lid options.

The snap-in lid utilises a lance and hole design on the re-usable replacement lid and the original shield. The replacement lid snaps into place and locks into the lance feature of the remaining fence of the original shield.

The other option is the dish lid that gets soldered into place on the board. The dish shape of these self-locating lids allows for easy location of the lid for soldering.

All of standard EZ Peel PCB shields can be packaged in tape and reel formats for easy SMT installation using conventional pick-and-place equipment. The four standard sizes are available without the EZ Peel (scored) feature.



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