JL‑USB2.0 Aviation Plug, Latch‑Lock Type, with PCB Board, Waterproof Gasket & Washer, PH2.0‑4P 180‑Degree Straight White Connector
The JL‑USB2.0 aviation plug is a specialized industrial‑grade USB 2.0 interconnection component that integrates standard USB2.0 signal transmission with aviation‑style waterproof and anti‑vibration structural design.
Product Overview
The JL‑USB2.0 aviation plug is a specialized industrial‑grade USB 2.0 interconnection component that integrates standard USB2.0 signal transmission with aviation‑style waterproof and anti‑vibration structural design. Unlike ordinary consumer‑grade USB connectors which are only suitable for indoor static environments, this latch‑locking JL‑USB2.0 plug is purpose‑built for industrial, outdoor and vibration‑prone equipment scenarios. The complete assembly comes pre‑fitted with built‑in PCB circuit board, silicone waterproof O‑ring, waterproof backing washer and PH2.0‑4P 180‑degree straight white internal connector. It realizes convenient internal cable connection via PH2.0 4‑pin socket instead of direct manual soldering, greatly simplifying on‑site assembly and mass‑production wiring workflows. The external latch‑lock mechanism delivers firm locking performance after mating, preventing accidental disconnection caused by cable pulling, mechanical shock and continuous equipment vibration.
This JL‑USB2.0 aviation plug supports full USB2.0 high‑speed signal transmission, covering data communication and low‑voltage power supply functions. The matched waterproof gasket and washer form multi‑layer sealing structure between panel housing and equipment cabinet, effectively blocking dust, splash water and moisture from penetrating into device interior. The embedded PH2.0‑4P 180‑degree straight white connector provides reliable plug‑gable internal termination, allowing users to quickly mate with PH2.0‑4P wire harness without soldering operations. Manufactured with high‑strength black engineering plastic housing, this unit balances mechanical durability, environmental sealing and assembly convenience. All products comply with CE and RoHS standards, well‑suited for global export of industrial control devices, outdoor intelligent terminals, monitoring equipment and special‑purpose machinery systems. It serves as a robust replacement for common consumer USB ports which easily become loose or fail under harsh working conditions.
Product Specifications & Technical Parameters
The JL‑USB2.0 latch‑lock aviation plug adopts panel‑mount installation form. Complete set includes main aviation plug housing, integrated PCB board, silicone waterproof ring, waterproof backing washer and built‑in PH2.0‑4P 180‑degree straight white connector. The external side latch‑lock structure guarantees stable mating retention. Internal signal is converted from USB2.0 interface to PH2.0‑4P 180° straight socket, supporting quick harness plug‑in connection. Standard housing color is black, PH2.0 internal connector is white. Custom options such as special housing color, adjusted pin definition and modified sealing parts are available upon request. Each finished product undergoes strict continuity test, insulation resistance inspection and waterproof assembly check before delivery to secure consistent batch‑to‑batch quality for industrial customers.
1.1 Structural and Material Specifications
The outer housing is made of high‑impact flame‑retardant PA66 engineering plastic by one‑step injection molding. Dual side latch locking lugs are integrally formed with housing, delivering durable locking force for repeated plug‑and‑unplug cycles. Pre‑installed internal rigid PCB circuit board completes signal conversion between USB2.0 port and PH2.0‑4P connector, stabilizing signal transmission paths and reducing wiring interference. The matching waterproof accessories contain elastic silicone O‑ring and flat waterproof backing washer; when panel mounted, they form dual‑layer sealing between plug housing and equipment cabinet surface, stopping dust and liquid ingress. The built‑in white PH2.0‑4P 180‑degree straight connector is vertically mounted on PCB board with 180‑degree straight orientation, accepting standard PH2.0‑4P male harness plug‑in directly, eliminating manual soldering procedures for internal wiring. Panel cut‑out dimension follows JL series standard mounting hole size for easy cabinet installation. All plastic and silicone raw materials satisfy RoHS environmental‑protection requirements.
1.2 Electrical & Signal Performance Parameters
Interface Standard: USB2.0 High‑Speed, up to 480 Mbps data transfer rate. PH2.0‑4P internal connector pin pitch: 2.0 mm. Rated current per pin: 3A. Rated working voltage: 250V AC/DC. Dielectric withstand voltage: 1500V AC for 1 minute without breakdown or flash‑over. Insulation resistance ≥1000 MΩ under normal temperature and humidity. Contact resistance ≤5 mΩ for each contact point. Gold‑plated contact points are adopted for both USB end and PH2.0 connector end, improving oxidation‑resistance and maintaining stable electrical performance for long‑term operation. Mechanical service life reaches more than 1000 mating cycles. This connector supports both high‑speed USB data communication and low‑voltage auxiliary power supply transmission. It is important to note that it is designed for signal and low‑power application scenarios, not for high‑current main power loops.
1.3 Mechanical Performance Parameters
Side latch‑lock mechanism provides reliable retention force after full insertion, effectively resisting cable pulling force, mechanical impact and equipment vibration. Latch lugs are structurally reinforced to avoid fracture under frequent unlocking‑locking operations. Standard panel‑mount installation method enables firm fixing on cabinet shells and equipment panels. Internal PCB board is screw‑fastened inside housing, preventing loose displacement caused by vibration. The PH2.0‑4P internal connector holds mating harness securely and avoids accidental internal disconnection. The whole assembly can pass vibration test ranging from 10 Hz‑2000 Hz, adapting to continuous‑vibration working machinery and mobile intelligent devices. Plastic housing provides good anti‑impact performance for ordinary external collision in industrial environments.
1.4 Environmental Performance Parameters
Operating temperature range: ‑40 ℃ ~ +85 ℃. Storage temperature range: ‑45 ℃ ~ +110 ℃. The plastic housing and silicone sealing components keep stable physical performance under wide temperature fluctuation, no cracking, aging or deformation under cold‑hot alternating conditions. Equipped with dual silicone waterproof ring and waterproof washer, the panel‑mounted plug achieves good dust‑proof and splash‑proof performance for protected outdoor and cabinet‑mount applications. For scenarios with continuous water immersion or heavy spray, extra external protective housing should be added. The connector can continuously run under 90% RH non‑condensing high‑humidity environment. Raw materials feature anti‑ultraviolet and anti‑aging properties, extending service life for semi‑outdoor deployment.
1.5 Assembly Process Description
For equipment assembly, users only need to place the JL‑USB2.0 aviation plug into the pre‑opened panel cut‑out, fit waterproof O‑ring and waterproof washer on both sides of panel, then fasten the fixing structure. On the equipment interior side, just insert standard PH2.0‑4P male harness into the built‑in 180‑degree straight white PH2.0‑4P connector, no soldering iron or welding operation required. On the external side, mate with standard USB2.0 plug and engage side latch to finish locking connection. This plug‑in‑style internal wiring greatly improves assembly efficiency for mass production and simplifies later‑stage maintenance and harness replacement work. Operators do not need professional soldering skills to complete wiring work.

Product Features & Core Competitive Advantages
Our JL‑USB2.0 latch‑lock aviation plug solves multiple pain points of ordinary consumer USB ports in industrial environments: easy loosening under vibration, poor dust‑water resistance and complicated internal wiring. By combining latch‑lock mating, dual silicone waterproof sealing, pre‑installed PCB board and PH2.0‑4P quick‑plug internal connector, this product delivers integrated advantages of stable signal transmission, environmental protection performance and convenient assembly. It turns traditional soldering‑based USB‑to‑internal‑wiring work into simple plug‑in connection, lowering production defect rate and labor cost for equipment manufacturers. Multi‑layer sealing structure improves environmental reliability compared with common USB panel mount connectors.
2.1 Latch‑Lock Anti‑Drop Mating Mechanism
Different from ordinary USB connectors which only rely on simple friction force for retention, this JL‑USB2.0 aviation plug adopts dual‑side latch‑lock design. After full insertion, latches lock the mated plug firmly in position. Even under cable pulling force, mechanical shock or long‑time equipment vibration, the mating pair will not loosen or fall off accidentally, avoiding intermittent signal interruption and unstable power supply failure which frequently happen to consumer‑grade USB interfaces. It is a critical upgrade for industrial and mobile equipment.
2.2 Complete Waterproof Accessories for Panel‑Mount Sealing
The full set is supplied with both silicone waterproof O‑ring and flat waterproof backing washer. When installed on equipment panel, two‑sided silicone sealing parts fill gaps between plug housing and cabinet shell, blocking dust, moisture and splash water from entering equipment interior. This multi‑layer sealing solution greatly enhances environmental adaptability for cabinet‑mount, semi‑outdoor and dusty workshop devices. Users do not need to purchase extra sealing accessories separately; all required gaskets are included in one product package.
2.3 Built‑in PCB Board + PH2.0‑4P 180‑Degree Straight Quick‑Plug Connector
Integrated PCB board completes signal conversion between external USB2.0 port and internal PH2.0‑4P connector, stabilizing signal paths and reducing interference risk. The 180‑degree straight white PH2.0‑4P socket allows direct plug‑in of off‑the‑shelf PH2.0‑4P harness. No manual soldering on internal terminals is needed. For mass‑production factories, assembly cycle is shortened significantly and human‑caused cold‑solder‑joint defects are eliminated. For maintenance scenarios, technicians can replace internal harness rapidly without disassembly of PCB components, lowering after‑sales service difficulty.
2.4 Industrial‑Grade Quality & Global Compliance
High‑strength flame‑retardant plastic housing and premium silicone sealing parts ensure long‑term service life in complex industrial conditions. Gold‑plated contacts resist oxidation and corrosion. All products conform to RoHS standards, supporting worldwide export business. Every batch passes sampling tests covering appearance, electrical continuity, insulation resistance, latch‑locking function and sealing assembly inspection. Besides standard configuration, we provide customization service for pin assignment, housing color, special sealing requirements and matched mating harness development to satisfy personalized project demands.
Application Scenarios
The JL‑USB2.0 latch‑lock aviation plug is widely applied for equipment requiring USB2.0 data communication or low‑voltage power supply, where anti‑vibration, dust‑proof and splash‑proof performance are demanded. It is extensively used in industrial control cabinets, outdoor intelligent terminals, monitoring devices, special‑purpose machinery, transportation‑mounted electronic equipment and automation instruments.
3.1 Industrial Control Cabinet & Automation Equipment
Installed on cabinet panel as external USB2.0 access port for industrial controllers and PLC peripheral modules. Latch‑lock structure prevents plug loosening caused by workshop vibration. PH2.0 quick‑plug internal connection facilitates cabinet wiring and batch production. Waterproof gaskets reduce dust and moisture intrusion inside control cabinets.
3.2 Outdoor Intelligent Terminal & Monitoring System
Suitable for outdoor access‑control terminals, field monitoring equipment and roadside intelligent devices. Dual‑layer silicone sealing improves splash‑proof and dust‑proof capacity. Latch‑lock avoids accidental USB‑plug drop‑off under external pulling force. It realizes convenient external USB data import‑export for outdoor devices.
3.3 Vehicle‑mounted & Special‑Purpose Machinery Electronics
Applied for auxiliary USB interfaces of engineering machinery, agricultural machinery and on‑board electronic modules. The anti‑vibration latch‑locking structure adapts to continuous vibration generated during machinery operation. Quick‑plug PH2.0 internal connector supports convenient harness replacement for machinery maintenance work.
3.4 Testing Instrument & Medical‑adjacent Industrial Equipment
Used as panel‑mount USB port for various testing instruments and industrial analytical devices. Stable USB2.0 high‑speed data transmission guarantees reliable data acquisition. Easy‑assembly PH2.0 internal connection helps instrument manufacturers improve production efficiency and simplify repair work.
3.5 Indoor and Semi‑outdoor Intelligent Terminal Devices
Ideal for public intelligent terminals, charging auxiliary modules and other general‑purpose devices. Compared with ordinary USB sockets, this aviation‑style plug enhances physical locking and dust‑proof performance, extending service life of equipment USB interfaces under frequent‑use conditions.
Frequently Asked Questions (FAQ)
Q1: What accessories are included for this JL‑USB2.0 aviation plug?
The complete set includes main aviation plug housing, built‑in PCB board, silicone waterproof O‑ring, waterproof backing washer and pre‑mounted PH2.0‑4P 180‑degree straight white connector. All sealing and connection accessories are supplied together, no extra parts purchase needed.
Q2: What is the internal connection method of this connector?
Internally it adopts PH2.0‑4P 180‑degree straight white socket. Users just plug standard PH2.0‑4P male harness into this socket, no soldering required. It is a quick‑plug connection solution for equipment interior wiring.
Q3: What data speed does this JL‑USB2.0 aviation plug support?
It follows USB2.0 high‑speed specification, maximum data transfer rate up to 480 Mbps, suitable for common USB data reading‑writing and signal transmission. It is not designed for USB3.0 high‑speed transmission scenarios.
Q4: Can this plug work under continuous water‑immersion environment?
Equipped with waterproof ring and waterproof washer, it realizes splash‑proof and dust‑proof performance after correct panel installation. It is NOT suitable for long‑term water immersion. For underwater application, extra dedicated waterproof protective housing must be equipped.
Q5: What is the advantage of latch‑lock structure compared with ordinary USB panel mount connector?
Ordinary USB connectors only rely on friction for holding force and tend to loosen under vibration or cable pulling. Our latch‑lock mechanism mechanically locks the mated plug, effectively preventing accidental disconnection in vibration‑prone industrial and mobile equipment.
Q6: What wire harness should I match for internal wiring?
Please select standard PH2.0‑4P male‑end harness matching 2.0 mm pin pitch, to mate with built‑in PH2.0‑4P 180‑degree straight socket. Rated wire gauge suggestion: 20‑26AWG for signal and low‑power circuits.
Q7: Do you support customized requirements?
We accept custom services including pin‑out adjustment, special housing color, modified sealing structure and supporting mating harness development. Please provide detailed technical specifications for quotation and project evaluation.
Q8: What about certification, lead‑time and after‑sales terms?
Standard products comply with CE and RoHS certifications. Standard in‑stock goods can be shipped within 3‑5 working days. Customized orders take 7‑15 working days depending on project complexity. We provide 12‑month global quality warranty and 24‑hour online technical support for product selection, assembly guidance and fault troubleshooting.
Contact Us
We are a professional industrial connector manufacturer integrating R&D, mold development, injection molding, terminal stamping and finished‑product assembly. Our product portfolio covers M‑series circular aviation connectors, square multi‑pin aviation plugs and special‑purpose panel‑mount data interface connectors such as this JL‑USB2.0 latch‑lock aviation plug. Strict multi‑stage quality inspection runs through whole production workflow to guarantee stable and consistent quality for global industrial customers.
Our JL‑USB2.0 latch‑lock aviation plug with PCB board, dual waterproof gaskets and built‑in PH2.0‑4P 180‑degree straight white connector provides reliable anti‑vibration, dust‑proof and splash‑proof USB2.0 panel‑mount interconnection solution for industrial cabinets, outdoor intelligent terminals, special‑purpose machinery and testing instruments. We support standard stock supply, free sample testing, bulk wholesale and personalized customization services. Whether you need standard off‑the‑shelf components or tailor‑made connectors for your equipment projects, our technical team can deliver targeted interconnection solutions for your application.
We sincerely welcome global purchasers, system integrators, equipment manufacturers and engineering partners to consult technical specifications, request official datasheets, inquire wholesale quotations and submit custom development requirements. Our professional sales and technical support team provides one‑stop services including product selection advice, technical solution discussion, on‑site assembly guidance and comprehensive after‑sales support. We are committed to building long‑term stable win‑win cooperative relationships with clients all over the world.