Snap-in Mount Hopewind USB Male-to-Female Adapter with Bare PCB Board
The integrated bare PCB is an unpopulated light board without pre-mounted electronic chips. Customers may carry out secondary soldering, component welding and circuit modification according to their own project requirements. This Hopewind USB male-to-female adapter is designed for data transmission and low-current power supply. It cannot support high-power fast-charging loads exceeding 2 A rated current.
Product Specifications
Item |
Parameter |
Product Name |
Snap-in Mount Hopewind USB Male-to-Female Adapter with Bare PCB Board |
Interface Type |
USB 3.0 Type-A Male to USB 3.0 Type-A Female Receptacle |
Signal Standard |
USB 3.0, backward compatible with USB 2.0, USB 1.1 |
Max Data Transfer Rate |
5 Gbps |
Mounting Method |
Snap-in clip-on press-fit panel mounting, tool-free installation |
Applicable Panel Thickness |
1.0 mm-6.0 mm |
Built-in Component |
Bare unpopulated PCB board (PCB light board, no soldered peripheral components) |
Housing Material |
High-strength modified flame-retardant engineering plastic |
Sealing Accessory |
Red silicone O-ring gasket for panel surface sealing |
Protection Rating |
IP67 (fully installed condition, standard USB-A male plug fully inserted) |
Contact Material |
High-conductivity copper alloy |
Contact Plating |
Gold-plated contacts for anti-oxidation and stable signal integrity |
Rated Operating Voltage |
5 V DC |
Max Continuous Rated Current |
2 A for USB power supply |
Insulation Resistance |
≥1000 MΩ |
Dielectric Withstand Voltage |
AC 500 V, 1 minute without electrical breakdown |
Mechanical Mating Life |
≥1000 insertion-extraction cycles |
Housing Color |
Matte black housing with red silicone sealing ring |
Core Feature |
Male-to-female signal pass-through, reserved bare PCB for customer secondary soldering & customization |
Compliance |
RoHS compliant, environmental-friendly raw materials |
Important Note: IP67 waterproof performance can only be achieved with correct installation. The red silicone O-ring gasket must lie flat between connector flange and cabinet panel, and a standard USB-A male plug shall be fully inserted into the female port. Improper installation, deformed gasket or non-standard USB plug will degrade waterproof and dust-proof performance. The integrated bare PCB is an unpopulated light board without pre-mounted electronic chips. Customers may carry out secondary soldering, component welding and circuit modification according to their own project requirements. This Hopewind USB male-to-female adapter is designed for data transmission and low-current power supply. It cannot support high-power fast-charging loads exceeding 2 A rated current.

Product Features & Advantages
This Hopewind snap-in USB male-to-female adapter with bare PCB light board is a customized industrial panel-mount USB component developed for Hopewind energy-storage and converter equipment scenarios. Different from ordinary finished USB panel connectors on the market, this product adopts male-to-female pass-through structural design, and reserves a built-in bare PCB light board inside the housing. It realizes USB signal extension from internal device mainboard to cabinet exterior, while providing customers with flexible secondary development space on the PCB circuit. Equipped with elastic snap-in clip locking mechanism, the whole unit can be pressed directly into pre-drilled panel hole without nuts, screws or additional fasteners. It solves multiple industry pain points: complicated field wiring, USB port corrosion caused by dust and moisture, insufficient reserved circuit space for on-site modification, and low assembly efficiency for mass production of energy-storage and inverter cabinets.
First of all, tool-free snap-in press-fit panel installation greatly improves assembly efficiency. Two elastic plastic snap clips are symmetrically distributed on both sides of the connector housing. During cabinet assembly, operators only need to align the connector with round mounting hole and apply moderate pressure. The side clips compress when passing through the aperture and spring open behind the panel, firmly clamping the cabinet panel. No screwdriver, locking nut or other fixing accessories are required, and single-unit installation can be completed within several seconds. For large-batch production of Hopewind inverters, energy-storage cabinets and industrial control equipment, this structure effectively cuts manual assembly time and reduces production cost. The red silicone O-ring gasket is compressed between connector front flange and outer panel surface after snap-in positioning, filling assembly gaps and blocking dust, water vapor and spray from penetrating into cabinet interior. The connector can also be conveniently removed during maintenance: squeeze two side snap clips inward simultaneously and push the connector out from panel hole. Reasonable disassembly will not damage clip clamping performance.
Secondly, male-to-female USB pass-through design with built-in bare PCB light board supports customer secondary customization. Most common panel-mount USB connectors are fixed finished wiring structures, whose internal circuits cannot be adjusted. This Hopewind USB adapter integrates unpopulated bare PCB light board inside housing. The PCB board completes signal transmission between internal male USB terminal and external female USB receptacle, and reserves abundant soldering pads and circuit expansion area. Customers can weld resistors, capacitors, protection chips, fuses and other electronic components on the bare PCB according to actual project needs. It facilitates functions such as ESD anti-static protection, over-current protection, signal filtering and circuit adaptation for inverter and energy-storage equipment. Designers do not need to redesign peripheral circuit boards additionally; secondary circuit modification can be finished directly on the built-in PCB light board inside the USB adapter housing, saving internal cabinet layout space.
Thirdly, true USB 3.0 high-speed signal transmission and reliable electrical performance. Gold-plated copper-alloy contact terminals maintain low contact resistance in long-term operation, and resist oxidation even under high-humidity, dusty industrial environment. This adapter supports full 5 Gbps USB3.0 high-speed data transmission, applicable for equipment program upgrading, parameter configuration, operating log export and data reading. It keeps complete backward compatibility with USB2.0 and USB1.1 devices. When matched with USB2.0 peripheral, it automatically adapts to corresponding lower transmission speed. It supports simultaneous data signal transmission and maximum 2 A low-power USB power supply, satisfying power-supply demand of small-capacity USB flash disk and on-site debugging accessories.
Fourthly, IP67-grade dust-proof and waterproof capability adapts to harsh cabinet application environment. After standard installation and full insertion of matching USB-A male plug, the connector reaches IP67 protection rating. It is completely dust-tight and can resist short-term immersion under one-meter water depth for 30 minutes. It defends against rain splash, dew condensation, workshop oil mist, metal dust and salt-fog erosion. In new-energy inverter and energy-storage cabinet application scenarios, internal USB debugging ports are easily corroded by humid air if exposed. This panel-mount adapter extends USB port to cabinet outer surface with reliable sealing performance, avoiding pin oxidation, signal intermittent dropout and short-circuit risk caused by environmental pollution.
Fifthly, industrial-grade mechanical durability and wide environmental adaptability. The outer housing is injection-molded from high-impact modified engineering plastic material, featuring excellent anti-aging, anti-shock performance. It can withstand continuous vibration generated by inverter, energy-storage converter and on-site mechanical equipment. Operating temperature ranges from -20 ℃ to +70 ℃, supporting stable operation in cold outdoor environment and heat-generating sealed cabinet. All raw materials conform to RoHS environmental directives, meeting component procurement standards for export-oriented new-energy equipment projects. Meanwhile, this adapter optimizes field debugging workflow: technicians can directly plug USB flash disk or debugging cable on cabinet outer panel, without opening sealed cabinet cover repeatedly. It reduces equipment downtime and avoids exposing internal mainboard to dust and moisture.
Core advantage summary list:
- Tool-free snap-in press-fit mounting, no nuts or screws required for fast assembly and disassembly
- Hopewind customized USB male-to-female pass-through structure for cabinet USB signal extension
- Built-in bare unpopulated PCB light board, supporting customer secondary soldering and circuit customization
- IP67 waterproof and dust-proof with red silicone O-ring sealing gasket for new-energy cabinet harsh environment
- True USB3.0 5Gbps high-speed transmission, backward compatible with USB2.0 / USB1.1
- Gold-plated copper contacts for anti-oxidation and stable signal integrity
- Elastic side-clip locking design, high assembly efficiency for mass-production cabinets
- Support high-speed data transmission and 5 V 2 A low-power USB power supply
- Wide operating temperature -20 ℃ ~ +70 ℃, RoHS-compliant for global export projects
- Avoid frequent cabinet opening, simplify on-site program upgrade and data-export debugging

Application Scenarios
This Hopewind snap-in USB male-to-female adapter with bare PCB light board is specially oriented for new-energy power equipment, widely used for scenarios requiring external USB debugging interface and secondary circuit customization.
1. Hopewind Solar Inverter Cabinets
Solar inverter equipment reserves USB interface for firmware upgrade, parameter setting and operation log export. Install this snap-in USB male-to-female adapter on cabinet panel, which extends mainboard USB signal to cabinet exterior. Built-in bare PCB light board can be welded with ESD protection and surge-suppression components to improve anti-interference capability of inverter USB port. Technicians can finish program updating and data reading outside cabinet without opening inverter housing. It adapts to outdoor power station environment with dust, dew and temperature variation.
2. Energy-Storage Converter & Energy-Storage Cabinet
Energy-storage PCS converter and integrated energy-storage cabinet need USB port for local debugging and data downloading. This IP67 USB adapter provides sealed external USB access. Customers can add over-current protection and filtering circuit on bare PCB light board according to energy-storage system design requirement, enhancing equipment stability in complex power-station working condition. Tool-free snap-in structure greatly improves assembly efficiency for mass-produced energy-storage cabinets.
3. Industrial Control Cabinet for New-Energy Power Station
Field industrial-control cabinets inside photovoltaic and energy-storage power stations require external USB maintenance port. This Hopewind USB adapter realizes USB signal pass-through and secondary circuit development. It prevents internal circuit board from environmental erosion and facilitates regular equipment maintenance work.
4. Outdoor Monitoring & Power-Station Data Acquisition Cabinet
Power-station environment-monitoring terminal and data-acquisition cabinet need USB interface for local data backup and software iteration. The IP67 sealing structure adapts to open-air station environment, and reserved bare PCB supports customers to configure protection circuit matching monitoring hardware.
5. Special Industrial Control Equipment with Custom USB Circuit
Various industrial control devices that need to reserve USB pass-through port and require secondary circuit modification. The integrated bare PCB light board saves extra external circuit-board space inside equipment cabinet, simplifying overall mechanical structure design.
6. Portable Field Debugging Equipment for Power Industry
Power-industry portable test instruments need rugged panel-mount USB interface. This snap-in USB male-to-female adapter is easy for instrument assembly. The bare PCB facilitates designers to add signal conditioning and protective circuits on-board.
Frequently Asked Questions (FAQ)
Q1: What is the function of the built-in bare PCB light board? Are electronic components pre-soldered on PCB?
A1: The bare PCB light board inside adapter is unpopulated, without pre-welded chips or components. It completes male-to-female USB signal pass-through, and reserves soldering pads for customers’ secondary development. Users can weld resistors, capacitors, ESD protection chips, fuses and other components to realize anti-static, over-current-protection, signal-filtering functions according to inverter or energy-storage project design. No finished circuit function is provided out-of-box.
Q2: What is IP67 waterproof condition for this Hopewind USB male-to-female adapter? Can it work under permanent water submersion?
A2: IP67 rating is valid under correct snap-in installation, flat-placed red silicone O-ring gasket, and standard USB-A male plug fully inserted into female receptacle. It can resist short-term submersion under one-meter water depth for maximum 30 minutes, suitable for rain splash, dew and dusty cabinet environment. This product is NOT designed for permanent underwater application. Misplaced sealing ring or non-standard USB plug will invalidate waterproof performance.
Q3: Does this adapter support real USB3.0 5Gbps high-speed transmission? Is it backward compatible with USB2.0 hardware?
A3: Yes. When matched with standard USB3.0 plug and cable, it can achieve full 5 Gbps transmission speed for firmware download and large log-file export. It is fully backward compatible with USB2.0 and USB1.1 peripherals, and will automatically reduce transmission speed adapting to lower-speed devices.
Q4: What is maximum rated current? Can it be used for mobile-phone fast-charging?
A4: Rated continuous current is 2 A under 5 V DC. This adapter is designed for equipment debugging and data transmission. It does NOT support high-power fast-charging exceeding 2 A. Over-current load will cause over-heating and permanent damage to contacts and PCB traces.
Q5: What size of panel hole should be drilled? What panel thickness is acceptable?
A5: Recommended panel cut-out aperture diameter is 30 mm, minor machining tolerance is allowed. Applicable panel thickness ranges from 1.0 mm to 6.0 mm, fit for metal steel cabinet, aluminum panel and plastic enclosure. Please confirm actual cabinet panel thickness before drilling mounting hole.
Q6: How to remove the snap-in USB adapter after installation? Will repeated disassembly damage the product?
A6: Squeeze two elastic side snap clips inward simultaneously, then push connector body out from front side of panel. Do not apply violent impact force. Reasonable limited repeated disassembly will not destroy clip structure; excessive frequent disassembly will gradually reduce clamping force.
Q7: Does product package contain USB plug, cable or pre-welded components for bare PCB?
A7: Package only includes Hopewind snap-in USB male-to-female adapter unit with bare PCB light board. USB plug, cable and all electronic components for PCB secondary soldering are NOT included. Customers shall prepare peripheral components according to own project requirement.
Q8: What is operating temperature range for this adapter? Can it work inside continuously-heating inverter cabinet?
A8: Operating temperature: -20 ℃ ~ +70 ℃. Ensure cabinet internal temperature never exceeds this range. For high-heat-generation inverter and PCS cabinet, effective heat-dissipation measures shall be configured.
Q9: Is this product RoHS compliant for new-energy equipment export projects?
A9: Yes, all housing, contact terminals and bare PCB materials comply with RoHS environmental-protection standards, satisfying component procurement requirement for most global new-energy export projects.
Q10: USB signal becomes unstable after long-time cabinet operation. What points should be checked?
A10: Please inspect these items: confirm snap-in clips are fully locked on panel; check USB plug is fully seated; inspect whether dust or dirt accumulates inside female port; verify whether customer-welded components on bare PCB have cold-solder joint. Clean contact surface gently; never scratch gold-plated contacts with sharp metal tools. Replace whole unit if housing, contacts or PCB suffers physical damage.
Contact Us
Thank you for reading the product document of Hopewind Snap-in Mount USB Male-to-Female Adapter with Bare PCB Board. Our company focuses on R&D, design and manufacturing of industrial waterproof panel-mount connectors, new-energy special USB adapters, M12 circular sensor connectors, aviation plugs and customized wiring-harness solutions. Our products are widely supplied for solar inverter, energy-storage PCS converter, power-station control cabinet, industrial automation and outdoor monitoring industries. We supply standard off-the-shelf connector products, meanwhile we support customized structural and circuit modification services for special project requirements of Hopewind and other new-energy clients.
If you have technical consultation on product parameters, bare PCB secondary-development guidance, installation instruction, sample application, bulk-order quotation or customized connector solution, please feel free to contact our sales and technical-support team.
Our complete product portfolio includes multiple series of waterproof USB panel connectors, snap-in & threaded mounting circular connectors, M12 connectors of different pin-counts and-codes, single-row / double-row terminal connectors and custom wiring harness. We support small-batch sample trial order, mass-volume production delivery and project-oriented custom development.
Please send your inquiry message containing product model, purchasing quantity, actual application environment, and special technical or circuit requirements. Our professional technical and sales team will reply promptly and provide targeted technical suggestion and formal commercial quotation.