About
Welcome to Jinchang Electronics. We mainly provide online services now.
This place was established by a group of people who love research and innovation. We all have our own expertise with electrical and information backgrounds.
Services
PCB Price Calculator
Layers & Materials
Layer：1 / 2 / 4 / 6
Material：FR-4 / Aluminum / Copper core / Rogers / PTFE Teflon
Dimension：5 – 400 × 5 – 500 (mm)
Dimension Tolerance: ±0.1 mm (precision) / ±0.2 mm (CNC) / ±0.4 mm (V-CUT)
Quantity：5 – 1000 pcs
Different Design at Once：1 / 2 / 3 / 4
Thickness：0.4 – 2.0 (Typ:1.6 mm)
Board Tolerance：±10 % (≥1.0mm) / ± 0.1mm (<1.0mm)
Solder mask：Green(Typ) / Blue / White / Black / Purple / Red / Yellow
Silkscreen：White(Typ) / Black (only for white solder mask)
Outer Copper Thickness：1 oz(Typ) / 2 oz
Inner Copper Thickness：0.5 oz (Typ) / 1 oz / 2 oz
Flying Probe Test：Yes
Surface Process：HASL (leaded / lead-free), ENIG, OSP (copper core boards only)
Wire Spacing & Drill
Trace Witdh & Spacing：5mil (for 1-2 layers) / 3.5mil (for 4-6 layers)
Trace Width & Spacing：8mil (for 2oz Copper weight)
Drill Hole Size：0.15 – 6.30 mm
Drill Tolerance：+0.13 / -0.08 mm
Castellated Holes：≥0.60 mm
Blind/Buried Vias：Not Available
Via：≥0.3 mm (for 1-2 layer) / ≥0.15 mm (for multi-layer)
Via Size：0.5 mm (for 1-2 layer) / 0.25 mm (for multi-layer)
Pad：0.70 – 6.35 mm
NPTH size: ≥0.2 mm (mechanical layer or keep-out layer needed)
Hole to hole clearance：0.254 mm (same net) / 0.5 mm (different nets)
Via to Track Clearacne：0.254 mm
Pad to Track Clearance：0.2 mm
Silk Layer Width：≥0.153 mm
Silk Layer Height：≥0.8 mm
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