NexaRAM NexaRAM

wholesale Inverter welding machine ZX7-315-400IGBT driver board Inverter board

Product Description

About Us

We are a leading manufacturer specializing in high-density multilayer printed circuit boards and specialty boards. With certifications including UL, ISO9001:2015, ISO14001:2015, CQC, IATF16949:2016, and "National Military Standard," we provide top-quality products and services.

Our extensive product range includes multilayer boards, impedance boards, high-frequency boards, high TG thick copper foil boards, 5G high-speed boards, buried blind via boards, aluminum-based boards, hybrid dielectric boards, HDI, rigid-flex boards, specialty boards, and customized solutions.

Driven by technological innovation, our products are widely used in industries such as communication equipment, industrial control, automotive electronics, energy and power, medical devices, IoT, research institutions, aerospace, and defense. With over 19 years of experience, we have served over 1,000 technology innovation-oriented enterprises with rapid prototyping and mass production services. We are committed to delivering cutting-edge solutions and exceeding customer expectations in the dynamic electronics industry.

Main Products
PCB Product 1
PCB Product 2
Product Parameters & Customization Options

The product has eight parameter configurations. Please refer to the specific requirements below and consult customer service for a quote:

  • Without capacitor Without IGBT
  • With capacitor Without IGBT
  • 25N1200 With IGBT With capacitor
  • 40T1200 With IGBT With capacitor
  • 40N1200 With IGBT With capacitor
  • 4 25N120 with tube + with capacitor + full set of wiring harness
  • 4 40T120 with tube + with capacitor + full set of wiring harness
  • 4 high-power 40N120 + with capacitor + full set of wiring harness
PCB Manufacturing Detail 1
PCB Manufacturing Detail 2
PCB Manufacturing Detail 3
PCB Processing 1
PCB Processing 2
PCB Processing 3
Production Process 1
Production Process 2
Production Process 3
Production Line and Equipment
Production Machinery 1
Production Machinery 2
Production Machinery 3
Equipment Overview
Factory Facilities 1
Factory Facilities 2
Factory Facilities 3
Equipment Close-up 1
Equipment Close-up 2
Manufacturing Technique & Capabilities
Rigid PCB Manufacturing Capability
Category Volume Production Sample Processing
Layer count 1-68L 64 Layer
Max thickness 10mm (394mil) 14mm (551mil)
Min line width/space (Inner layer) 2.2mil / 2.2mil 2.0mil / 2.0mil
Min line width/space (Outer layer) 2.5mil / 2.5mil 2.2mil / 2.2mil
Alignment (Core board) ±25um ±20um
Alignment (Inner layer) ±5mil ±4mil
Max copper 6oz 30oz
Holes size (Mechanical drilling) ≥0.15mm (6mil) ≥0.1mm (4mil)
Holes size (Laser drilling) 0.1mm (4mil) 0.050mm (2mil)
Max size (Unit size) 850mm x 570mm 1000mm x 600mm
Max size (Panel size) 1250mm x 570mm 1320mm x 600mm
Aspect ratio (Unit size) 20:1 28:1
Aspect ratio (Panel size) 25:1 35:1
Lead-free/Halogen-free Materials EM827, 370HR, S1000-2, IT180A, EM825, IT158, S1000 / S1155, R1566W, EM285, TU862HF
High-speed PCB Materials Megtron6, Megtron4, Megtron7, TU872SLK, FR408HR, N4000-13 Series, MW4000, MW2000, TU933
High-frequency PCB Materials Ro3003, Ro3006, Ro4350B, Ro4360G2, Ro4835, CLTE, Genclad, RF35, FastRise27
Other Materials Polyimide, Tk, LCP, BT, C-ply, Fradflex, Omega, ZBC2000
Surface Finish Options HAL, HAL-LF, ENIG, IMMERSION TIN, OSP, IMMERSION SILVER, GOLD FINGER, Hard Gold/Soft Gold Plating
Special Technology Capabilities Blind & buried holes, Via in pad, Semi-plating holes, Counterbore, Step mounting holes, drill Mixed RF PCB, Busbar PCB
Quality Assurance Standards
  • Consciousness of making each product a high-quality product by strictly following the quality management system.
  • Based on ISO 9001, ISO 14001, IATF16949, RoHS, Reach, UL, CQC & etc. quality management systems. Simultaneously running IATF 16949.
  • Method of involving all staff in the entire process control.
  • Objective and confidence of ensuring 100% quality.
  • Shipping acceptance criteria: Customer requirements, IPC standards.
  • Assisting customers in developing quality standards and cooperating with customer experiments to improve product performance.
Laboratory Capabilities
Laboratory Testing Equipment 1
Laboratory Testing Equipment 2
Quality Inspection Facility 1
Quality Inspection Facility 2
Quality Inspection Facility 3
Purchase Notice
Important Conditions (Actual conditions subject to confirmation with customer service)
♦ Regarding Returns and Exchanges

As PCBs are custom products, returns are not supported. For quality issues, please contact customer service for a refund or replacement, but we do not bear any losses or costs beyond the product value. Delays in delivery due to force majeure factors such as power outages or water supply interruptions will not be compensated.

♦ Regarding Orders

If there are any issues or special instructions, please communicate directly with customer service for confirmation. Do not leave messages, as we will not be responsible for any missed messages. Before and after payment, please confirm the process, quantity, and layers with customer service. Problems that arise after production or shipment will not be eligible for refunds. Since this product requires a high level of expertise, if the purchasing personnel are not knowledgeable, please confirm with your engineer or customer service. We will not be responsible for any issues caused by the customer's lack of understanding.

♦ Delivery Time Calculation

Orders placed before 17:00 are considered as placed on the same day; orders placed after 17:00 are considered as placed the next day. "24-hour delivery" refers to one business day, not 24 hours. The delivery time provided by customer service and on the page does not include Sundays or holidays.

♦ Standard Ordering Process Parameters

Green solder mask, white silkscreen, 1.6mm board thickness, HASL, 1oz copper thickness, vias with solder mask, line width/spacing 0.2mm, vias above 0.3mm. The Gerber format is used according to the provided files. (The quotation is based on standard processes; please inform customer service of any special process requirements for a new quotation.)

Packing & Shipping
Shipping Standard Package
Shipping Standards Options:
  1. Air shipping (UPS, DHL, TNT, CTS, and FEDEX)
  2. Railway shipping
  3. Seaborne shipping
  4. Customer Designated Shipping Method
Layer Count Sample Shortest Lead Time Sample Standard Lead Time Mass Production Lead Time
2 layer 24 h 3 days 6-7 days
4 layer 36 h 5 days 8-10 days
6 layer 48 h 5 days 8-12 days
8 layer 72 h 5 days 9-12 days
10 layer 4 days 7 days 14 days
12 layer 4 days 7 days 16 days
14 layer 5 days 8 days 16 days
16 layer 5 days 9 days 18 days
18 layer 7 days 10 days 18 days
20 layer and above To be negotiated To be negotiated To be negotiated
Packaging Box 1
Packaging Box 2
High Efficiency Team
Professional Engineering Team
  • 24h technical support
  • 24h Gerber files handling
  • Complete EQ within 4-8 hours
  • Support 400 new project engineering reviews
Accepted Design Formats
  • RS-274-X & RS-274-D
  • CAD / DXP
  • Protel 99 SE
  • PADS
  • GC-CAM
Professional Manufacturing Team
  • All processes running 24 hours
  • Monthly production of more than 10K high-mix part numbers
  • More than 100 QTA orders every day
  • One-step service from prototype to mass production
Efficient Order Operation Center
  • 24 hours quick response
  • 4 hours quick response for quotations
Certifications
Factory Certifications
Frequently Asked Questions
Q1: What parameters and configuration options do you support?

We support eight configurations depending on your requirements, ranging from options without capacitors/IGBT to custom sets with 25N120, 40T120, or high-power 40N120 combinations, complete with full sets of wiring harnesses.

Q2: What is the return and exchange policy?

Since PCBs are highly customized products, returns are not supported. For quality issues, please reach out to customer service to arrange a refund or replacement. Please note we do not cover losses beyond the product value or delays caused by force majeure.

Q3: How is order delivery time calculated?

Orders placed before 17:00 are registered as same-day orders, while orders placed after 17:00 are registered on the next day. The term "24-hour delivery" refers to one business day. Please note that Sundays and holidays are excluded from lead-time calculations.

Q4: What CAD/CAM design file formats do you accept?

Our engineering team accepts RS-274-X, RS-274-D, CAD, DXP, Protel 99 SE, PADS, and GC-CAM file formats for processing Gerber files.

Q5: What are the shipping standards and options for transport?

We support multiple shipping solutions: Air freight (via UPS, DHL, TNT, CTS, and FEDEX), Railway transport, Seaborne shipping, or any customer-designated shipping arrangement.

Q6: What certifications do you hold for manufacturing?

Our operations are strictly certified under ISO9001:2015, ISO14001:2015, IATF16949:2016, UL, CQC, RoHS, Reach, and the "National Military Standard."

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