Led Bulb Circuit Board
Led bulb circuit board technical parameter:
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Material |
Aluminum base |
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Final Thickness |
0.02" - 0.18" (0.5mm- 4.6mm) tg130° - tg170° |
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Surface finished |
Regular Lead: HASL Lead-free: Lead-free HASL;ENG Gold; OSP, Immersion silver |
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Min/Max Board Size |
Min: 0.2"x0.2"/Max: 43.3"x19" |
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Min Trace width/ |
0.5oz: 4/4mil;1oz: 5/5mil;2oz: 5/7mil;3oz: 7/8mil;4oz: 10/10mil |
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Min Clearance |
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Min Hole Ring |
0.5oz: 4mil;1oz: 5mil;2oz: 7mil;3oz: 10mil;4oz: 16mil |
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Copper Thickness |
0.5oz- 4oz |
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Min Hole size&Tolerance |
Min hole:30mil(Final Thickness 0.5mm-2.0mm);45mil(Final Thickness 2.0mm-4.6mm) |
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Tolerance: PTH±4mil, NPTH±3mil |
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Thickness of Plating Layer |
HASL: |
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Copper Thickness: 20um- 35um |
Tin: 5- 20um |
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Immersion Gold:Nickel: |
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100u"- 200 u" |
Gold: 2u"- 4u" |
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Hard Plated Gold: |
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Nickel: 100u"- 200 u" |
Gold: 4u"- 8u" |
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Golden Finger:Nickel: |
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100u"- 200 u" |
Gold: 5u"- 15u" |
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Immersion Silver: 6u"- 12u";OSP: Film 8u"- 20u" |
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Solder Mask Colour |
Glossy: Green, Black, Red, Yellow, White, Purple, Blue;Matt: Green, Black |
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Solder Mask |
Solder Mask Thickness: |
0.2mil- 1.6mil |
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Solder Dam: |
Green 4mil/Other Color 5mil |
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Solder Mask Hole Plug Diameter: |
10mil- 25mil |
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Silk Screen Color |
White, Black |
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Testing Voltage |
Testing Fixture: 50V- 300V |
Flying Probe: 30V- 250V |
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Profile |
CNC Tol: ±5mil |
Slot Min: 40mil |
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V- CUT Tol: ±5mil |
Angel: 15°, 20°, 30°, 45°, 60° |
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Accept Standard |
IPC Class 2; IPC Class 3; ISO9000 |
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LED bulb circuit board production machine
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