china 4oz heavy copper pcb
Product Description
MOKO Technology’s 4oz Heavy Copper PCBs are built with top-quality FR-4 and 4oz copper, offering enhanced current capacity, superior thermal dissipation, and long-term reliability, all at competitive China-based pricing. With quick-turn prototypes (3-5 days), strict IPC Class 2/3 compliance, and 24/7 engineering support, we deliver robust solutions without the premium cost.
Shipping
Shipping costs and delivery timelines to be negotiated—please contact us for a detailed quote.
Payments and Security
Your payment is handled through a secure system; we do not retain or have access to your credit card information.
Easy Return & Refund
If your order is missing or delivered with defect, you may request a refund. Our support team will respond within 24 hours.
| Layer Counts | 1 layers |
| Base Material | FR4 |
| Board Thickness | 1.0mm |
| Minimum PCB Size | 10*10mm |
| Maximum PCB Size | 570*1200mm |
| PCB Size Tolerance | ±0.2-0.3mm |
| Minimum BGA Pad Size | 7mil |
| Minimum Hole Size | 0.1mm |
| Minimum Line Width | 4mil |
| Copper Weight | 4oz |
| Surface Finish | ENIG, HASL, OSP are available |
| Certificate | UL , IPC-6012, RoHS, ISO 9001, ISO14001 |
china 4oz heavy copper pcb
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Frequently Asked Questions
Compared to standard PCB, 4oz heavy copper PCB has greater current capacity and more effective heat dissipation, which are critical in high-power applications.
These PCBs are widely used in power supplies, automotive systems, industrial equipment, solar inverters, and so on.
We can manufacture 4oz heavy copper PCBs with layer counts ranging from 1 to 18.
Absolutely. MOKO Technology has flexible manufacturing capabilities, making it easy to handle everything from small prototype batches to large-scale manufacturing.
For prototypes, we can deliver within 3–5 working days. For mass production, this PCB will be ready in 2–4 weeks.
We ship globally via DHL, FedEx, UPS, and other logistics partners. Shipping typically requires 3 to 7 days, which is decided by your geographical location.
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