Long PCB
P/N: Q4I07896B0 | Layer Count: 4L | Min Line W/S: 8/8mil |
Material:FR-4Tg 170°C | Cu Thickness: 1/1oz | Min PTH: 0.45mm |
Board Thickness: 1.6mm | Surface: ENIG | Application:Consumer Electronics |
Soldermask Color: Green | Board Size: 620mmX1200mm | |
Others: Impedance Control |
Product Features
Victory PCB have rich experience for long PCB.
We do the Max long board size is:620X1200mm
Products application

- Plane Lighting
- Undersea Garden Lighting
- Hotel Lighting
Industry information

Lighting long FR4 pcb is developing very fast during the past 10 years, so our orders are increased a lot as well. To manufacture long pcb, the tracks and solder mask are the most important process.
These long PCBs are much larger than standard-sized PCBs, its unit square meter price will be higher than normal types. They allow you to produce a single piece that includes all functional parts along with all necessary connectors, whereas a traditional design would require the combination of one or more rigid PCBs with wired connections.
Pls contact with us if you have any RFQs about long PCB.
What is a Long PCB?
A Long PCB is an extended-length printed circuit board designed to accommodate large-scale or linear electronic layouts that standard-sized PCBs can’t support. Typically exceeding 20 inches in length, these boards are crafted to maintain electrical integrity over greater distances. They’re used in applications requiring continuous circuitry, such as LED lighting strips, industrial control systems, and telecommunications, offering a reliable solution for elongated designs.
What Features Define Long PCB Design?
Long PCBs are engineered with specific structural traits to ensure functionality:
- Extended Length: Supports circuits spanning large areas.
- Reinforcement: Uses thicker substrates or stiffeners to prevent bending.
- Segmented Layout: Divides traces into manageable sections.
- Thermal Channels: Incorporates heat dissipation along the length.
These features balance flexibility and stability for long-span applications.
How Does a Long PCB Function?
A Long PCB works by transmitting electrical signals across its extended surface through continuous copper traces. Components are strategically placed to maintain signal strength over distance, while the board’s design minimizes resistance and interference. It supports both power delivery and data transfer, ensuring seamless operation in applications where length is a key factor, like rail systems or display panels.
Where Are Long PCBs Used?
Long PCBs serve a variety of industries with unique needs:
- Lighting: Powers LED strips for architectural or automotive use.
- Telecom: Supports long antenna arrays or backplanes.
- Industrial: Drives control units in conveyor or HVAC systems.
- Medical: Enables elongated sensors in imaging equipment.
Their versatility makes them critical for extended electronic solutions.
Why Use Long PCBs in High-Density Circuitry?
Long PCBs shine in high-density setups but come with trade-offs:
- Benefits: Fits more components in a single, continuous layout; reduces connectors.
- Challenges: Risk of warping; harder to maintain signal integrity over length.
With careful design, they offer a compact, efficient option for complex, elongated circuits.
What Conditions Suit Long PCBs Best?
Long PCBs perform optimally under specific environmental factors:
- Temperature: Stable between -20掳C and 80掳C to avoid expansion issues.
- Vibration: Low levels to prevent flexing or cracking.
- Humidity: Controlled to protect against corrosion over length.
Matching these conditions ensures reliable operation across their span.
How Are Long PCBs Manufactured?
Manufacturing Long PCBs requires a tailored workflow:
- Design Mapping: Plan extended traces and component placement.
- Substrate Prep: Use oversized panels or joined sections.
- Etching: Create uniform traces across the length.
- Reinforcement: Add stiffeners or thicker cores.
- Testing: Check continuity and structural integrity.
This process ensures the board withstands its unique demands.
How Are Long PCBs Tested for Quality?
Testing Long PCBs verifies their performance across their span:
- Signal Continuity: Ensures no breaks in long traces.
- Stress Tests: Checks for warping under load.
- Thermal Scans: Confirms even heat distribution.
- Electrical Load: Validates capacity over distance.
These tests guarantee reliability in extended applications.
What Factors Impact Long PCB Durability?
Several elements influence how long a Long PCB lasts:
- Material Strength: Thicker substrates resist wear.
- Thermal Stress: Heat cycles can weaken joints.
- Mechanical Load: Vibration or flexing risks cracks.
- Corrosion: Moisture exposure degrades copper.
Addressing these factors enhances their lifespan.
How Can You Maintain a Long PCB?
Proper care extends a Long PCB’s life:
- Secure Mounting: Prevents flexing or stress.
- Cleanliness: Keeps dust off extended surfaces.
- Heat Control: Avoids thermal overload.
- Regular Checks: Spots wear along the length.
These steps ensure consistent performance over time.
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