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capabilities & approvals
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PCB Capabilities and Approvals

Capabilities - PCB Manufacture

Multi-Layer PCBs up to 12 layers
(higher layer counts available on request)
Minimum conductor width 0.005" 0.127mm
Minimum conductor spacing 0.005" 0.127mm
Minimum hole size (finished) 0.010" 0.25mm
Minimum copper annulus
(hole to pad)
0.005" 0.127mm
Maximum board size 22.00" x
560mm x
NC profiling & milling tolerance +/- 0.004" +/- 0.10mm
V scoring tolerance +/- 0.006" +/- 0.15mm

Board size and tolerances are changing on a regular basis as new equipment and processes become available. Please call if your requirements exceed the above.

Capabilities - PCB Assembly

Automated and manual assembly
BGA, TQFP, TSSOP, SOIC ... assembly.


BS EN ISO 9001: 2008 (BSI Registered Company)
Certificate Number: FM31525
UL (Underwriters Laboratory)
File Number: E247532


 PCB quote
Detail your PCB requirements on-line and we'll contact you with a quote.
 PCB production examples
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Lef Circuits is the best choice of partner for your next board.