Home > Products > 2 Layer PCB > 4 layer motherboard PCB,mainboard PCB
4 layer motherboard PCB,mainboard PCB
USD $150 - $180
/ Piece
1 Piece(Min.Order)
- 20 Square Meter / Square Meters per Month
- Shenzhen
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Product Details
| Place of Origin | Zhejiang, China | Brand Name | Walbond | |
| Model Number | 4L | Number of Layers | 4-Layer | |
| Base Material | FR4 | Copper Thickness | 1-3OZ | |
| Board Thickness | 0.3-3.2MM | Min. Hole Size | 0.1MM | |
| Min. Line Width | 8MIL | Min. Line Spacing | 8MIL | |
| Surface Finishing | ENIG |
Product Description
Specifications
1.4L motherboard PCB;2.good quality,reasonable price;
3.quicker delivery;
4.better logistic service;
5.UL,SGS,ROHS,
Company information
We can manufacture PCB in higher quality, more competitive price, quicker delivery and better logistic service…Welcome to send us RFQ!
We have passed ISO9001 Quality Management System Certification and have obtained UL, RoHS and TS16949 certificates in accordance with American and European customers' standards. With constant efforts, our sales network has spread over five continents, such as America, Romania, South Africa, Japan and Israel.
Company structure
Specification
| Item | Specification | ||
| Material | FR-4 / Hi-Tg FR-4 / Lead free Materials(RoHS Compliant)/CEM-3/CEM-1/Aluminium | ||
| Layer | single layer,double layer,multi-layer(4-10) | ||
| Board Thickness | 0.3mm-3.0mm,+/-0.1mm(tolerance) | ||
| Copper Thickness | 1/2OZ-3OZ (35um to 105um),+/-8um(tolerance),purity 99.5% | ||
| Impedance Control | ±10% | ||
| Bow and Twist MAX. | 0.75%(SMT) | ||
| Anti-strip | 0.88N/mm | ||
| Resistance | ≤20Ω | ||
| Reactance | 500V | ||
| Min. Value | |||
| Min. Trace/Space Width | 6 mil,+/-0.15mm(tolerance) | ||
| SMD Pitch | 10 mil | ||
| BGA Pitch | 20 mil | ||
| Min Pad Space | 4mil(SMT) | ||
| Plating Copper Thickness | 15um | ||
| Hole | |||
| Hole Size | 0.25mm--6.2mm | ||
| Hole Position Tolerance | ±0.1mm | ||
| PTH/NPTH Tolerance | ±0.15mm(dia.=0.4-1.4mm) | ||
| Pad Tolerance | ±0.1mm(dia.≥0.6mm) | ||
| Pad to hole/to pad Tolerance | ±0.05mm/±0.2mm | ||
| Solder Mask | |||
| Pad no Open | soldermask must cover all on both side, reject tin on pad | ||
| Pad Open | reject soldermask inside the hole on both side | ||
| Solder Mask Thickness | 0.7mil,raised H≤0.05 | ||
| Colour | green,blue,red,yellow,black,white(LPI/MATT.,UL 94 V0 approved) | ||
| Surface Finish | |||
| HAL | tin height≤0.05mm | ||
| ENIG | Nickel 3-7um,gold:0.5-0.7um | ||
| OSP/flash gold | 0.2-0.5um | ||
| Pealable mask | cover all on pad,thickness≥0.20mm | ||
| Carbon Ink | cover all on trace,Value≤30Ω | ||
| Outline | |||
| Outline Tolerance | ±0.2mm | ||
| Beveling | 30°,45° | ||
| V-cut position/depth | ±0.2mm(length≤100mm)/±0.2mm | ||
| Punch | ±0.1mm | ||
| E-testing pass percent | 97% pass for the first time,+/-2%(tolerance) | ||
| Certificate | SGS,ISO,ROHS,UL, | ||
Production Flow
Quality control(QC)
Factory picture
Welcome to visit WALBOND !
Buying guides
| 1 Layer | 2 Layer |
| Aluminum PCB | FPC |
| 4-10L PCB | |
| HAL/HAL lead free | ENIG/gold plating |
Contact Us
- Wenzhou Walbond Electronic Co., Ltd.
- Contact nameWillson Lei Chat Now
- Phone86-577-88756819
- AddressA-1 site,Center Road,Sanxi Industry Park,Ouhai Economic Development Area, Wenzhou, Zhejiang
Product Categories
| 1 Layer PCB | 2 Layer PCB | 4-10 Layer PCB | Aluminium based PCB |
| Flash gold/ENIG PCB | FPC board | HAL/HASL PCB | New Products |
| PCBA | Stencil |
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