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Suntek Group is a leading supplier in EMS field with one-stop solution for PCB/FPC

assembly,Cable assembly,Mix technology assembly and Box-buildings.

Suntek Electronics Co., Ltd,as the major facility, located in Hunan Prov,China;

BLSuntek Electronics Co., Ltd,as the new facility,located in Kandal Prov,Cambodia.

Industrial printed circuit boards (PCBs) refer to boards designed to operate reliably in demanding environmental conditions for extended time periods, usually 5-10+ years. They enable core functions for products used in sectors like transportation, energy, automation, aerospace and defense.

Unlike commercial grade boards, industrial PCBs face punishing temperature swings, shock, vibration, humidity and other challenges. They require rigorous design, component selection and testing well beyond typical electronics. In this guide, we explain what defines industrial PCBs and overview key design and manufacturing standards driving longer lasting, rugged boards.

Substrates

How are industrial PCBs different than commercial PCBs?

Industrial PCBs differentiate by:

· Supporting wider operating temperatures (-65°C to +150°C)

· Longer field deployment lifetimes (10-20 years)

· Required survival through harsh vibration, shock, moisture conditions

· High availability and uptime (>99%)

· Rigorous product testing and qualification

· Precision manufacturing process controls

· Traceability documentation Which exceeds commercial PCB environmental and lifespan demands.

Why is FR-4 still commonly used if industrial PCBs face extreme temperatures?

While special substrates like polyimides and ceramics handle wider temperature swings, FR-4 laminates have evolved “high Tg” versions usable to 150°C+ along with lower cost and better fabricator familiarity. So FR-4 remains an option for many industrial applications not hitting extreme temps.

IPC Class 3

Issued under IPC-2221 standards, it covers generic performance requirements for industrial electronics printed boards especially related to:

• Temperature cycling (-65°C to 150°C)
• Vibration (10-500Hz at 10G+)
• Mechanical shock of 100-1500G
• Moisture resistance
• Other environmental stresses

Additionally covers recommended test methods, quality conformance criteria and inspection details useful for qualifying Class 3 boards. It represents a minimum level for most industrial applications.

Our supports

We ensure cost transparency, BOM cost breakdown sharing

We have components suppliers from the Global.

We have a written process to advise customers of any schdule delays or product quality problems,by:

(1)Customer service procedure

(2)RMA procedure

(3)8D reports

(4)PDCA(Plan-Do-Check-Action) in customer service

We respond to the complaints,issues and queries in 24 hours, by:

(1) Weekly reports

(2) Customer supporting team to review communication times

(3) Customer satisfaction questionnaire

Aftersales services:

(1) 1-year guarantee period for all of products

(2) FOC repair

(3) Quick compensation parts to replace defectives.

Packaging:

The Flexible PCB Assembly product will be packaged in a sturdy cardboard box to ensure safe transportation. The box will be sealed with tape to prevent any damage during shipping.

The product will also be wrapped in bubble wrap to provide extra protection against potential impact and vibration during transit.

Each box will be labeled with the product name, quantity, and handling instructions to facilitate easy identification and handling.

Shipping:

The product will be shipped via a reliable and trusted courier service to ensure timely and secure delivery to the customer.

The shipping address and contact information will be double-checked to ensure accurate delivery. The product will be insured during transit to protect against any unforeseen events.

A tracking number will be provided to the customer once the product has been shipped, allowing them to track their order and ensure its safe arrival.

Upon delivery, the customer will be required to sign for the package as proof of receipt.

Our core is "Quality wins Market, ldeas create the Future".