PC Board Kits

PC Boards Specifications
TopLine uses the highest quality boards with fiducial marks
and tooling holes to simulate real-world conditions.
Solder Mask:
  • Standard: LPI photo liquid-imageable green solder mask.
    Typical Thickness 2.5mils (63.5µm), Sanwa Model SPSR 950


  • Special Order: Available on request, Taiyo Model PSR-4000 AUS5


Plating Finish:

Standard SnPb:
  • HASL - Hot Air Solder leveling with controlled Sn63 plating for flatness for coplanarity.


  • Lead Free (Pb-Free):
  • White tin: (Also known as "Immersion Tin" Sn100)


  • Immersion Silver: 5~16 micro-inches (0.12~0.40µm)  •  Typical: 8~12 micro-inches (0.2~0.3µm)
  • OSP: Bare copper (Entek 106 Organic Solder Preservative)


  • ENIG: 5 micro-inches (0.127µm) Immersion Gold over 150 micro-inches (3.8µm)electroless nickel.


  • Hard Gold: 30 micro-inches (0.76µm) Electroplated Gold over (3.8µm) electroless nickel.

  • Note: Hard Gold (99.0~99.7%) is recommended for connector fingers only.

    Wire Bondable:
  • ENEPIG  (NiPdAu)  IPC-4556
    Ni: 118~236 micro-inches (3~6µm) Electroless Nickel
    Pd: 2~6 micro-inches (0.05~0.15µm) Electroless Palladium
    Au: 1.2 micro-inches (0.025µm) Min. Immersion Gold


  • NiAu (Soft Gold 99.999%): 25~50 micro-inches (0.6~1.3µm) Gold over 150 micro-inches (3.8µm) electroless nickel.


  • ENIG: Bondable only with aluminum (Al) wire.


  • Board Material:
    Standard Tin-Lead (HASL):
  • FR-4 epoxy glass Tg=140°C


  • Lead Free:
  • Multifunctional FR-4 Tg=175°C
  • Polyimide Tg=270°C
  • BT - Bismaleimde Triazine Tg=240°C
  • Rogers RO-4003C White Ceramic Glass Woven Tg=280°C


  • Board Thickness:
  • Standard 0.062" (1.5mm) typical. Other thickness available.
  • Alternate double layer core thickness: 0.005"  • 0.008"  •  0.010"  •  0.014"  • 0.021"  •  0.028"  •  0.039" •  0.047"  •  0.059"  •  0.093"  •  0.125"


  • Copper Clad:
  • Standard 1 oz [Thickness: 1.4 mil (0.035mm or 35µm)].
  • Special 1/2 oz [Thickness: 0.7 mil (0.018mm or 18µm)].
  • Special 2 oz [Thickness: 2.8 mil (0.070mm or 70µm)].

  • Note: Ounce (oz) is the weight per square foot (ft2).

    Layers:
    Double Sided: Repeated pads on both sides.
    Kits are supplied with enough components for one side of the board only.


    Multilayer: Multi-layer boards available on special order.


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