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The PCB Common Tolerance
2020-08-06
View:267
Author:Holia      Share

The PCB Thickness Tolerances as Following Parts: 


Thickness       Thickness Deviation       Precision Deviation

  0.5                            /                                  +/-0.07

  0.7                       +/-0.15                            +/-0.09

  0.8                       +/-0.15                            +/-0.09

  1.0                       +/-0.17                            +/-0.11

  1.2                       +/-0.18                            +/-0.12

  1.5                       +/-0.20                            +/-0.14

  1.6                       +/-0.20                            +/-0.14

  2.0                       +/-0.23                            +/-0.15

  2.4                       +/-0.25                            +/-0.18

  3.2                       +/-0.30                            +/-0.20

  6.4                       +/-0.55                            +/-0.30


The Warpage Tolerances as following Parts:  

Tolerance of board thickness(mm): >0.2-1.2mm  >1.5mm

Tolerance of double-layer board: ≤1%≤0.7%

Tolerance of multilayer board: ≤1%≤0.7%


Tolerance of Board Thickness: (the plate thickness as customers requirments)


The Max Tolerences of Rigid Finished Double-layer Multilayer PCB Thickness as Following Parts:

Tolerences of board thickness(mm)   Tolerance of double-layer boardmm(mm)  Tolerance of multilayer board(mm)

               0.2-1.0                                                            ±0.1                                                          ±0.1

              1.2-1.6                                                            ±0.13                                                         ±0.15

              2.0-2.6                                                            ±0.18                                                         ±0.18

              >3.0                                                                ±0.18                                                         ±0.2

 

The Aperture as Customers Requirments, Tolerance Range is as Following Parts:


       Hole(mm)                                Hole tolerance(mm)                         NPTH Hole tolerance(mm)  

      <1.6mm                                            ±0.08                                            ±0.05

       >1.6mm                                           ±0.1                                              ±0.05


Note: Hole position drawing should meet the requirements of drawing.