China Circuit Board Manufacturers Suppliers - Good Price Circuit Board for Sale

Your Professional Circuit Board Supplier

XINXIANG KAIRUI REFRIGERATION EQUIPMENT CO., LTD,is a professional manufacturing company integrating scientific research, design,production sales and service that serve the global. Our factory mainly produce all kinds of refrigeration filter and can be used for Carrier YORK, TRANE McQuay Bitzer Refcomp brand refrigeration units such as the supporting filter spot sales (part). We also sell chiller spare parts for these brands.

Professional Team

Our team of proficient experts is dedicated to building long-term partnerships with clients by delivering impeccable and reliable services.

Custom Service

We provide tailored solutions for the customization of various filter types to meet specific customer requirements.

Reasonable Price

We are committed to offering superior service and high-quality products at competitive and cost-effective prices.

Advanced Equipment

We have adopted world-leading technology and equipment from Europe and the United States, and have implemented robust quality control procedures and advanced production lines.

York Control Board
York control board 031 02061 001 is a variable speed control driver board, mainly used in some York central air conditioning systems and other related equipment. It can accurately adjust the speed of
Trane Control Board
The trane hvac chiller parts control board is a key component in Trane's air conditioning system. Trane control board BRD04873,Trane BRD02102,Trane MOD02138,Trane BRD04877,Trane X13650728 and other
YORK 031 00947 000 CM2 Current Control Board
YORK CM2 current control board Part No.031 00947 000, designed for YORK centrifugal chillers. It monitors and regulates current signals to secure stable compressor operation, in stock for quick
YORK 031-02505-001 Main Control Board
YORK 031-02505-001, original main control board for YORK centrifugal chiller.YK, YT, YKK, YL, YS series water-cooled chillers. It is the core main control board of the chiller, responsible for unit
York 011-00592-000 Lubricating Oil/L OIL
York 011-00592-000 is the original factory L-level POE synthetic refrigeration oil of York. It is suitable for York centrifugal chiller units and possesses functions of lubrication, cooling and
York 011-00533-000 Lubricating Oil/K OIL
York 011-00533-000 is the original factory K-grade refrigeration compressor oil for York. It features excellent lubrication, cooling and sealing properties, and is suitable for corresponding models.
York 011-00549-000 Lubricating Oil/H OIL
York 011-00549-000 is York Type H refrigeration oil (POE polyol ester compressor oil), in a 5-gallon (18.9 L) container, weighing approximately 44–48 lbs.According to the official oil selection table
York 011-00583-000 Lubricating Oil/E OIL
York 011-00583-000 is the H-grade refrigeration oil of the PureOil series from York. It is a POE synthetic lubricant in 5-gallon specification, specially designed for water-cooled screw compressors
York 011-00312-000 Lubricating Oil/C OIL
York 013-02987-000 is the original factory-specific coolant for York chillers, suitable for both centrifugal and screw type chillers. This coolant is professionally formulated and has excellent
York 013-02987-000 COOLANT
York 013-02987-000 is the original factory-specific coolant for York chillers, suitable for both centrifugal and screw type chillers. This coolant is professionally formulated and has excellent
York 013-04129-000 Coolant
York 013-04129-000 is York Blue Solid State Starter/Inverter Coolant (SSS/VSD Coolant), also known as Corrosion Inhibitor. It comes in 1 gallon (4 L) bottles, pre-mixed and non-dilutable. It is
York 025-45462-042 Drive Board
York 025-45462-042 is the EEV driver board (EEV Driver Board) for the cooling unit of York (York/Johnson Controls), also known as IB-G. Its function is to receive instructions from the control board

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Specification

Max Layer	60L	8L	36L
Inner Layer Min Trace/Space	3/3mil	3/3mil	3/3mil
Out Layer Min Trace/Space	3/3mll	3.5/4mll	3.5/4mll
Inner Layer Max Copper	6oz	2oz	6oz
Out Layer Max Copper	6oz	2oz	3oz
Min Mechanical Driling	0.15mm	0.1mm	0.15mm
Min Laser Drilling	0.1mm	0.1mm	0.1mm
Max Aspect Ratio(Mechanical Driling)	20:01	10:01	12:01
Max Aspect Ratio(Laser Drilling)	1:01	/	1:01
Press Fit Hole Ttolerance	±0.05mm	±0.05mm	±0.05mm
PTH Tolerance	±0.075mm	±0.075mm	±0.075mm
NPTH Tolerance	±0.05mm	±0.05mm	±0.05mm
Countersink Tolerance	±0.15mm	±0.15mm	±0.15mm
Board Thickness	0.4-8mm	0.1-0.5mm	0.4-3mm
Board Thickness Tolerance(<1.0mm)	±0.1mm	±0.05mm	±0.1mm
Board Thickness Tolerance(≥1.0mm)	±10%	/	±10%

Types of Circuit Board

The circuit boards produced by our company mainly include the following types:

Control Board
Control board is a panel or device containing switches, dials, and other components used to regulate or manage the operation of electrical devices, systems, or equipment. It acts as a central hub for controlling various functions, receiving input signals, processing information, and sending output signals to control different components.

Main Board
Main board is another name for a motherboard, the central circuit board in electronic devices like computers and televisions. It acts as the backbone, connecting and facilitating communication between various components such as the CPU, RAM, and other peripherals.

Logic Board
Logic board, in the context of Apple computers, is essentially the motherboard. It's the main circuit board that connects all the other components of a computer, such as the CPU, RAM, graphics card, and storage devices, allowing them to communicate and function together.

Start Module Circuit Board
Start module circuit board is a specialized printed circuit board designed to control the starting sequence of an engine, particularly in the context of generators or other equipment that requires a controlled startup.

Advantages of Circuit Board

Complicated wiring is not an issue

The design of circuit boards hardly necessitates sophisticated wiring. The surface of the circuit board can be engraved with the correct electronic circuit using automated production equipment.

Better quality control

After designing and developing circuit boards, testing becomes a breeze. You can perform quality control tests throughout the production cycle to ensure that your circuit boards are ready for use after the manufacturing process is complete.

Easy to maintain

Since the circuit board components are fixed in place, only a little maintenance is required. There are no loose parts or complicated wiring, so it is easy to identify different elements and perform maintenance.

The possibility of a short circuit is extremely slight

Relying on embedded copper traces, the circuit board is hardly affected by the short course. Moreover, the problem of wiring errors is minimized, and disconnection rarely occurs.

Applications of Circuit Board

1. Medical Devices
Circuit boards play a role in devices used for diagnostics, monitoring, treatment and more.

2. LEDs
One role that circuit boards play in LED applications is the transfer of heat away from the bulb.

3. Consumer Electronics
Smartphones, computers and the many other consumer products that people use daily require circuit boards to function.

4. Industrial Equipment
The circuit boards used in the industrial sector often need to be especially high-powered and be durable enough to withstand the harsh conditions that exist in industrial facilities.

5. Automotive Components
Depending on what part of the car a circuit board is used for, it may need to be able to withstand extreme temperatures or vibrations. It’s also critical that they perform reliably if involved in a safety feature of the car.

6. Aerospace Components
Circuit boards may be used in a variety of aerospace equipment including planes, space shuttles, satellites and radio communications systems.

7. Maritime Applications
All sorts of marine vessels and systems rely on circuit boards to function. This includes small vessels, large cargo ships, submarines, communications systems and navigation equipment.

8. Safety and Security Equipment
Many aspects of security systems, whether for homes, businesses or government buildings, rely on circuit boards. They play a role in our safety and security more often than many people realize.

9. Telecommunications Equipment
Circuit boards are a critical part of the telecommunications industry. They’re necessary for consumer devices such as smartphones but also for the infrastructure that enables those devices to work.

10. Military and Defense Applications
The military uses circuit boards for a wide range of applications, including communications equipment, computers, vehicles, firearms and more.

Components of a Circuit Board

Resistors

Resistors are available in different shapes and sizes for circuit board assembly. A resistor is an electrical circuit that is meant to, as the name suggests, resist electric current flow.

Diode

The diode is the simplest semi-conductor. It allows the current to flow in only one direction and stops the flow if the current tries to flow in the other direction.

Transistors

A transistor is a switch that has three leads. One of the leads is called the gate. If there is a current on the gate, electricity will freely flow between the other two leads.

Micro Chips

Microchips are semi-conductors that come in every shape and size imaginable. They also start simple and get very complicated.

Capacitor

There are all kinds of different capacitors, and they store charge in an electrical field. If you have a noisy electrical signal and voltage change, it will hold a charge and let some of the current out.

Precautions for Installing Circuit Boards

Mechanical Stability

Ensure the installation is mechanically sound to withstand application conditions.

Thermal Management

Your installation may overheat if it lacks adequate cooling. In high-power applications, thermal strategies like heat sinks and fans are necessary.

Proper Alignment

Improper alignment is one of the most common problems. To avoid that, precisely position mounting holes and slots. Correctly mill or drill them, too, using precision equipment and tools.

Electrical Isolation and Grounding

Electrical isolation and grounding make the installation safe to use. It also prevents electrical noise, improving signal quality. Determine the strategies to use beforehand.

Ordering Process

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Packaging and Shipping

Packaging	Wooden cases and cartons and so on
Shipping	UPS, DHL, FeDex, Sea and air freight, etc

Our Factory

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FAQ

Q: What are the basics of a circuit board?

A: Typically, circuit boards are made from an insulating material, often fiberglass, and are coated with conductive materials. These conductive materials, usually copper, are etched to form pathways that electric currents can follow.

Q: What does f mean on a circuit board?

A: Fuse. A fuse is an important component used in PCB manufacturing and assembly. it is used in the protection of current overload in the circuit. A fuse is symbolized by the letter "F." You can easily recognise a fuse because of its glass casing where the fuse wire can be seen and metal caps on both sides of its ends.

Q: What are clearance requirements circuit boards?

A: Leave at least 3 mm spacing from enclosure walls and tall components to allow some air circulation. High power circuits require greater clearance or fans. Carefully measure height of tallest elements like capacitors to ensure sufficient headroom when the lid closes.

Q: Is a square on a circuit board positive or negative?

A: Square negative pole, round positive pole, can also refer to the polarity of other capacitors on the same circuit board. The circle point is positive! The square or big piece is negative!

Q: How to wire up a circuit board?

A: Strip the wire about 6–8 mm.
Twist and tin the wire tip with solder.
Tin the PCB pad by applying a small solder bead.
Position the wire on the pad.
Press the soldering iron onto both the wire and pad.
Feed a small amount of solder, then remove the iron.
Inspect for a shiny, smooth connection.

Q: What kind of glue do they use on circuit boards?

A: Typical adhesives used are epoxy or acrylic, both of which are standard and common among most PCB manufacturers. While both materials are highly reliable, they have one key mechanical difference between the two of them.

As one of the leading circuit board manufacturers and suppliers in China, we warmly welcome you to buy high quality circuit board for sale here from our factory. Good service and competitive price are available.