In order to better serve our customers we have developed a comprehensive guide for kitting surface mount components. The guide includes key recommendations that help lead to accurate project scheduling and price quotation. The recommendations are partially outlined below:
PARTS:
Parts can be in either full reels or cut tape.
If full reels are not provided, please add 2% for all passive components to allow for machine loss. (For 0201 & 0402 caps and resistors add 5%).
Taped components, if cut, must be at least 3 inches long to load in feeder.
Tape feeder holes must be located on the left side of the reel.
If parts are loose they must be hand placed, adding extra time and cost to assembly.
The reel should be labeled with the customer part number and complete part description, including value.
IC's work better when on tape and reel than lanes or tubes, but it is not a major problem.
All IC tubes should also be identified with customer part number and all parts should be facing the same direction.
When handling loose IC's use care and make sure you are grounded, static charge may damage components.
Tray components should all be facing the same way.
All components with leads should be undamaged.
BOARDS:
Boards and panels should have fiducial marks.
Boards should be silk screened showing reference designators and polarity.
Boards should not have components within .080 inches of the edge.
If board size is less than 3 x 4 inches, please consider panelizing.
Panels would ideally be approximately 8 x 10 inches.
If double sided, it is best to put passive components on the bottom.
DATA:
Gerber data is required to produce stencil. (Panelize data for panelized boards).
CAD data (XY data) is required for machine programming.
BOM for current build is required for assembly.
Complete audit sheet with all shortages listed is required for assembly.
Sample board (Golden Board) is always helpful.
Please let us know if we can be of further assistance in board layout and kitting. Contact our production department by e-mail or phone, (408) 263-3833. Click here if you would like to download a pdf version of this file. (If you do not have Adobe Acrobat to view and print this file format you can download it by clicking here.)
