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VINCITA

CIRCUITS • VINCITA.IN
IPC CLASS 2 STANDARDS

PCB Manufacturing Capabilities & Tolerances

Industry-standard manufacturing specifications modeled after international fab houses (JLCPCB standard), engineered domestically in Bengaluru with 100% Flying Probe Electrical Testing.

1. General Board Specifications

Parameter Standard Capability Advanced / Custom
Layer Count 1 Layer (Single-Sided FR4) 2 Layers (Double-Sided FR4)
Base Material FR-4 Standard (Tg 130 - 140°C) High-Tg FR-4 (Tg 170°C), Aluminum Core
Board Dimensions Min: 10mm × 10mm • Max: 500mm × 500mm Panelized V-Scoring / Tab Routing
Board Thickness 0.6, 0.8, 1.0, 1.2, 1.6, 2.0 mm 0.4mm, 2.4mm, 3.0mm
Board Outline Tolerance ± 0.15 mm (CNC Routing) ± 0.10 mm (Precision Die Punch)

2. Copper & Trace / Space Tolerances

Parameter 1 oz (35 μm) Copper 2 oz (70 μm) Copper
Min Trace Width (Track) 3.5 mil (0.09 mm) 5.0 mil (0.127 mm)
Min Trace Clearance (Spacing) 3.5 mil (0.09 mm) 5.0 mil (0.127 mm)
Copper to Board Edge 0.25 mm (10 mil) for routed edge 0.40 mm for V-Scored edges
Impedance Control Standard ± 10% (50Ω Single / 90-100Ω Diff) Precision ± 7% on request

3. Excellon CNC Drill & Hole Tolerances

Parameter Standard Capability Notes / Guidelines
Min CNC Drill Size (Hole) 0.20 mm (8 mil) Finished hole dia ≥ 0.15 mm
Max CNC Drill Size 6.30 mm Larger cutouts done via CNC milling router
Min Via Annular Ring 0.13 mm (5 mil) Pad size = Drill dia + 0.25 mm
PTH Hole Diameter Tolerance ± 0.05 mm (± 2 mil) Electroplated copper barrel ≥ 20 μm
NPTH Hole Diameter Tolerance ± 0.05 mm Non-plated tooling & mounting holes
Hole to Hole Clearance 0.25 mm (10 mil) edge-to-edge Prevents drill breakout during CNC drilling

4. Solder Mask & Silkscreen Standards

Parameter Standard Capability Color Options
Solder Mask Colors Liquid Photoimageable (LPI) Solder Mask Green, Matte Black, Blue, Red, Yellow, White
Min Solder Mask Dam 0.08 mm (3.15 mil) for Green Mask 0.10 mm (4 mil) for other colors
Solder Mask Expansion 0.05 mm (2 mil) per side 1:1 ratio acceptable with CAM expansion
Silkscreen Legend Min text height: 0.8 mm (32 mil) • Min stroke: 0.15 mm (6 mil) High-contrast White (or Black on White mask)

5. Surface Finishes & Quality Testing

Finish / Test Description & Shelf Life RoHS / Compliance
Lead-Free HASL Tin-Silver-Copper hot air solder leveling. Shelf life: 12 months. 100% RoHS Compliant
HASL with Lead Sn63Pb37 traditional alloy. Ideal for hobbyist hand soldering. Contains Lead (Non-RoHS)
ENIG (Immersion Gold) Electroless Nickel (3-5 μm) with Flash Gold (1-2 μ"). Ultra-flat pads for BGA, fine-pitch QFN. 100% RoHS Compliant
100% Flying Probe E-Test Full netlist electrical continuity and isolation testing for every board. Zero open circuits, zero shorts guaranteed

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