| Metal Coating: | Silver |
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| Mode of Production: | SMT |
| Layers: | Multilayer |
| Base Material: | FR-4 |
| Certification: | RoHS, CCC, ISO |
| Customized: | Customized |
| Samples: |
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| Item | Grandtop PCBA Abilities, Shenzhen One-Stop Printed Circuit Board OEM/ODM PCB Assembly PCBA Manufacturer |
| Turnkey Service | PCB Design + PCB FAB + Components Sourcing + PCB Assembly + Package |
| Value-Added Services | BOM Analysis, Conformal Coating, IC Programming, Wire Harness & Cable Assembly, Box Building |
| Assembly Details | 5 SMT + 2 DIP (Dust and anti-static lines) |
| Assembly Abilities | SMT 5 million points per day DIP 10 thousands pieces per day |
| Technical Support | Free DFM/A check, BOM analysis |
| Handing Standards | IPC-A-600H, IPC-A-610F, J-STD-001F |
| MOQ | 1 piece |
| Inspection & Testing | Visual Inspection, AOI, SPI, X-ray inspection. First article inspection for each process. |
| IQC + IPQC + FQC + OQC Inspection Flow | |
| Flying probe test/In-circuit test/Function test/Burn-in test | |
| Files We Need | PCB: Gerber (CAM, PCB, PCBDOC) |
| Components: Bill of Material (BOM list) | |
| Assembly: Pick-and-Place file | |
| Functional test: Test Guide | |
| PCB Panel Size | Min: 0.25×0.25 inches (6×6mm) |
| Max: 20×20 inches (500×500mm) | |
| PCB Solder Type | Water soluble solder paste, RoHS lead-free |
| PCB Assemble Methods | SMT, THT & Hybrid, single or double side placement, Part removal and replacement. |
| Components Details | Passive down to 0201 (01005) size |
| Press fit connectors | |
| QFP/BGA/LGA/QFN/COB/COF | |
| CSP/WLCSP/POP | |
| Fine Pitch High Pin Count Connectors | |
| BGA repair and reball | |
| Lead Time | Prototype: 5-15 working days; Mass production: 20~25 working days. The fastest delivery time is 3 days. |
| Packaging | Anti-Static Bags/Customized Packaging |
| Item | Grandtop PCB Parameters, Shenzhen One-Stop Printed Circuit Board OEM/ODM PCB Assembly PCBA Manufacturer |
| Material | FR4 (140Tg, 170Tg, 180Tg), FR-406, FR-408, 370HR, IT180A, Metal Core, Polyimide, Rogers 4350B/3003/4003C/5880, Taconic, etc |
| Material Brands | KB, ITEQ, SY, ISOLA, Rogers (Arlon), Ventec, Laird, Nelco, Bergquist, DENKA, Panasonic, Taconic, or other laminate on customer's request |
| Layer Count | 1-40 |
| Flammaility | UL 94V-0 |
| Thermal Conductivity | 0.3W-300W/mk |
| Quality Standards | IPC Classes 2/3 |
| HDI Build-up | Any Layer, up to 3+N+3 |
| Board Thickness | 0.2~7mm |
| Min Thickness | 2-layer: 0.2mm 4-layer: 0.4mm 6-layer: 0.6mm 8-layer: 0.8mm 10-layer: 1mm More than 10 layers: 0.5*Layer Count*0.2mm |
| Copper Thickness | 0.5-20oz |
| Inks | Super White Inks/Solar/Carbon Inks |
| Solder Mask Thickness | 0.2mil-1.6mil |
| Surface Finishes | Bare Copper, Hasl lead-free, ENIG, ENEPIG, Gold Fingers, OSP, IAg, ISn, etc |
| Plating Thickness | HASL: Copper Thickness: 20-35um Tin: 5-20 um Immersion Gold: Nickel: 100u"-200u" Gold: 2u" -4u" Hard Plated Gold: Nickel: 100u"-200u" Gold: 4u"-8u" Golden Finger: Nickel: 100u"-200u" Gold: 5u"-15u" Immersion Silver: 6u"-12u" OSP: Film 8u"-20u" |
| Min Hole Size | 0.15mm |
| Min Trace Width/Spacing | 2mil/2mil |
| Via Plugging | 0.2~0.8mm |
| Line Width/Space Tolerance | ±10% |
| Board Thickness Tolerance | ±5% |
| Hole Diameter Tolerance | ±0.05mm |
| Hole Location Tolerance | ±2mil |
| Layer to Layer Registration | 2mil |
| S/M Registration | 1mil |
| Aspect Ratio | 10:01 |
| Blind Vias Aspect Ratio | 1:01 |
| Outline Tolerance | ±0.1mm |
| V- CUT Tolerance | ±10mi |
| Bevel Edge | ± 5mil |
| Warp and Twist | ≤0.50% (max cap) |
| Quality Test | AOI, 100% E-test |
| Value-Added Services | DFM Check, Expedited Production |
| Featured Processes | Bonding, Impedance Control, Via in Pad, Press Fit Hole, Countersink/Counterbore Hole, Castellated Vias, Edge Plating, Peelable Solder Mask, Resin Plugged, Plating Flat |
| Data Formats | Gerber, DXF, PCBdoc, ODB++, HPGL, BRD, etc |
Grandtop was established in 2005, specializing in PCB design, high quality PCBA OEM, electronic product turnkey service and solutions. Our headquarter and factory are located in Bao'an District Shenzhen City, with more than 150 employees and over 6000 m2 shop floor. Globally, we have offices and warehouses in Hongkong, London, Hungary,Spain and USA that ensure to provide customers with nearby and agile services. Grandtop has passed ISO9001, ISO14001,IATF16949 and ISO13485 certifications.
Our main customers are mainly in the industry of industrial control, medical, grain equipment, sorting machine,laser module, communication, PLC module, sensor module, traffic control, automotive, smart home, self-service kiosk, POS machine, etc. We cooperate with worldwide clients and have long-term cooperated customers in USA, Canada, UK, Germany, Switzerland, Australia etc. which can be your reference.
Founded in: 2005
Certifications: ISO13485, IATF16949, UL, CE, RoHS, etc.
One-Stop OEM PCB Assembly Professional Turnkey PCBA: providing professional PCB design, R&D prototyping, PCBA mass production, component procurement, electronic product assembly, testing, PCBA conformal coating and supporting services for electronic and electrical products peripheral products such as wire harnesses, plastic injection, sheet metal, etc.
IP Protection: Strong believe in IP protection with proven records
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