| Metal Coating: | Copper |
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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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Audited Supplier | Item | Grandtop PCBA Abilities, Manufacturer Low-Power Droplet PCB Board Assembly for Industrial Power |
| 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) + 5 Assembly Lines + 2 Repairing Welding + 2 Testing Lines + 1 Reliability Test Room + 1 Conformal Coating Line + 1 Aging Room |
| Assembly Abilities | SMT 6 million points per day DIP 12 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, PCB DOC) |
| 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, Manufacturer Low-Power Droplet PCB Board Assembly for Industrial Power |
| Material | FR4 (140Tg, 170Tg, 180Tg), FR-406, FR-408, 370HR, IT180A, Metal Core, Polyimide, Rogers 4350B/3003/4003C/5880, Taconic, etc. Mainly: FR4 |
| 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 |
| Flammability | 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, Tin. Mainly: Gold, Tin. |
| 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, PCB doc, 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
1. IATF16949 for manufacturing Printed Circuit Board Assembly(PCBA);
2. ISO9001 for production of PCBA;
3. ISO13485 for production and sales of PCBA for medical products such as hemodialysis, ward care, ultrasound imaging, meridian physical therapy.
4. ISO14001 for production of PCBA and its relative environment management activity.
Q1. What is needed for quotation?
PCB: Quantity, Gerber file and Technic requirements(material,surface finish treatment, copper thickness,board thickness ...)
PCBA: PCB information, BOM, (Testing documents...)
Full assembly product: PCBA Information and product buidinformation
Q2. Are you a manufacture?
Yes,we are. Warmly welcome to visit our factory at any time
Q3. Are my files safe?
Your files are held in complete safety and security.We protect the intellectual property for our customers in the whole process..
All documents from customers are never shared with any third parties.
Q4. What is the delivery time?
Normal: 5-7 workingdays for samples, 7-25working days for bulk production.
For Urgent project: We can arrange preferential processing and control the delivery time as you request
Q5. Do you have MOQ?
There is no MOQ in Grandto.We are able to handle Small as well as large volume production with flexibility.
Q6. What is the payment term?
100%T/T in advance normally;50% deposit,50% balance by T/T before shipment
Q7. Shipping cost?
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