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Home SamplesHeavy Copper PCB

4 Oz Copper Power Supply Board Built On 2.0mm thick FR-4 With blue soldermask

Customer Reviews
Kevin, Received and tested the boards - thanks very much. These are perfect, exactly what we needed. rgds Rich

—— Rich Rickett

Ruth, I got the PCB today, and they are just perfect. Please stay a little patience, my next order is coming soon. Kind regards from Hamburg Olaf

—— Olaf Kühnhold

Hi Natalie. It was perfect, I attach some pictures for your reference. And I send you next 2 projects to budget. Thanks a lot again

—— Seba T.

Kevin, Thanks, they were perfectly made, and work well. As promised, here are the links for my latest project, using the PCBs you manufactured for me:

—— Daniel F

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Heavy Copper PCB

  • High Precision Heavy Copper PCB suppliers
  • High Precision Heavy Copper PCB suppliers
  • High Precision Heavy Copper PCB suppliers
  • High Precision Heavy Copper PCB suppliers
  • High Precision Heavy Copper PCB suppliers

General Profile

PCB copper foil with a nominal thickness of over 105μm is generally referred to as a heavy copper foil or thick copper foil. Printed circuit boards made of heavy copper foil and super-thick copper foil can be called heavy copper printed circuit boards or thick copper PCB. The applications and demands of heavy copper PCB have been rapidly expanded in recent years, making it become a kind of "hot" PCB variety with a very good market prospects.



1) The copper weight of the track ≥105μm

2) The most designs are plane winding coil of wire

3) Withstand high current and have good heat dissipation


Typical Applications

1) Power conversion module boards which are used in automotive electronics and electric equipment;

2) DC-DC converters for hybrid electric vehicles;

3) Power electronics technology


PCB Products

1) FR-4 up to 12oz (420μm)

2) Metal core up to 10oz (350μm)

3) Ceramic core up to 10oz (350μm)


PCB Capabilities 2018

Parameter Value
 Layer Counts  1-32
 Substrate Material FR-4(including High Tg 170, High CTI>600V); Aluminum based; RO4350B, RO4003C; Polyimide, 94HB and FR-1 (upon request)
 Maximum Size  Flying test: 900*600mm, Fixture test 460*380mm, No test 1100*600mm
 Board Outline Tolerance  ±0.0059" (0.15mm)
 PCB Thickness 0.0157" - 0.3937" (0.40mm--10.00mm)
Thickness Tolerance(T≥0.8mm)  ±8%
Thickness Tolerance(t<0.8mm)  ±10%
 Insulation Layer Thickness 0.00295" - 0.1969" (0.075mm--5.00mm)
 Minimum Track 0.003" (0.075mm)
 Minimum Space  0.003" (0.075mm)
 Outer Copper Thickness  35µm--420µm (1oz-12oz)
 Inner Copper Thickness  17µm--420µm (0.5oz - 12oz)
 Drill Hole(Mechanical) 0.0059" - 0.25" (0.15mm--6.35mm)
 Finished Hole(Mechanical) 0.0039"-0.248" (0.10mm--6.30mm)
DiameterTolerance(Mechanical) 0.00295" (0.075mm)
 Registration (Mechanical) 0.00197" (0.05mm)
 Aspect Ratio  12:1
 Solder Mask Type  LPI
 Min Soldermask Bridge 0.00315" (0.08mm)
 Min Soldermask Clearance 0.00197" (0.05mm)
 Plug via Diameter 0.0098" - 0.0236" (0.25mm--0.60mm)
Impedance Control Tolerance  ±10%
 Surface Finish HASL,HASL LF,ENIG,Imm Tin,Imm Ag, OSP, Gold Finger

Heavy Copper PCB Sample Introduction

4 Oz Copper Power Supply Board Built On 2.0mm thick FR-4 With blue soldermask

China 4 Oz Copper Power Supply Board Built On 2.0mm thick FR-4 With blue soldermask Supplier

Large Image :  4 Oz Copper Power Supply Board Built On 2.0mm thick FR-4 With blue soldermask

Product Details:

Place of Origin: China
Brand Name: Bicheng Enterprise Limited
Certification: UL
Model Number: BIC-0847-V8.47

Payment & Shipping Terms:

Minimum Order Quantity: 1
Price: USD30~40
Packaging Details: Vaccum
Delivery Time: 5-6 working days
Payment Terms: T/T / Paypal
Supply Ability: 45000 pieces per month
Detailed Product Description
Glass Epoxy: FR-4, ITEQ IT-140 Tg>135°C, Er<5.4 Board Thick: 2.0mm ±0.2
Outer Copper Thick: 4 Oz Surface Finish: Hot Air Soldering Leveling(HASL),lead Free, Sn>=2.54µm
Solder Mask Color: Blue Colour Of Component Legend: White
TEST: 100% Electrical Test Prior Shipment

Product profile


1.1 General description

This is a type of heavy copper PCB built on FR-4 substrate with Tg 135°C for the

application of High Power Supply . It's 2.0 mm thick with white silkscreen(Taiyo)

on blue solder mask (Kuangshun) and HASL on pads. The base material is from

ITEQ supplying 1 up PCBs per panel. They're fabricated per IPC 6012 Class 2

using supplied Gerber data. Each 20 panels are packed for shipment.


1.2 Features and benifits

A. It's Lead free compatible.
B. Excellent wetting during component soldering and it can avoid copper corrosion.
C. Better heat dissipation of high heat generated by large current
D. 30000 square meter month capability
E. Quick CADCAM checking and free PCB quotation
F. Competitive price
G. Volume Production capability

1.3 Application

Power Adapter, UPS Power, Power Supply 24V, Switching Power Adapter, Laser Power

Supply, Power Supply ManufACturers, AC to DC Power Supplies, Power converters for

railway systems, Voltage Converters, 1500 Watt Inverter


1.4 Parameter and data sheet

PCB SIZE 223 x 97mm=1PCS
BOARD TYPE Double sided PCB
Number of Layers 2 Layers
Surface Mount Components NO
Through Hole Components YES
LAYER STACKUP copper ------- 140um(4oz)+plate TOP layer
FR-4 1.7mm
copper ------- 140um(4oz)+plate BOT Layer
Minimum Trace and Space: 12mil/23mil
Minimum / Maximum Holes: 0.73/7.0mm
Number of Different Holes: 24
Number of Drill Holes: 715
Number of Milled Slots: 0
Number of Internal Cutouts: 0
Impedance Control no
Glass Epoxy: FR-4, ITEQ IT-140 Tg>135°C, er<5.4
Final foil external: 4 oz
Final foil internal: 0 oz
Final height of PCB: 2.0mm ±0.2
Surface Finish Hot air soldering leveling(HASL),lead free, Sn>=2.54µm
Solder Mask Apply To: Top and Bottom, 12micron Minimum
Solder Mask Color: Blue, KSM-6189BL04, Kuangshun supplied
Solder Mask Type: LPSM
Side of Component Legend TOP
Colour of Component Legend White, IJR-4000 MW300, Taiyo Supplied.
Manufacturer Name or Logo: Marked on the board in a conductor and leged FREE AREA
VIA Plated Through Hole(PTH)
Outline dimension: 0.0059" (0.15mm)
Board plating: 0.0030" (0.076mm)
Drill tolerance: 0.002" (0.05mm)
TEST 100% Electrical Test prior shipment
TYPE OF ARTWORK TO BE SUPPLIED email file, Gerber RS-274-X, PCBDOC etc
SERVICE AREA Worldwide, Globally.


4 Oz Copper Power Supply Board Built On 2.0mm thick FR-4 With blue soldermask

Contact Details

Contact Person: Ms. Natalie Xue

Tel: 86-755-27374946-27374847

Fax: 86-755-27374947

Send your inquiry directly to us (0 / 3000)