USB AF Black Plastic Right-Angle Sink Mount Female Connector (Front Insert Rear Solder / SINK Mount Reduces Device Height / 4Pin USB 2.0 / Black High-Temperature Resistant Plastic Core / DIP+SMT Hybrid Process / Designed for Ultra-Thin Motherboards and Automotive Electronics)
Standard orientation | SINK design greatly reduces overall device thickness | Front-insert DIP mechanical reinforcement + rear SMT precision soldering | 4Pin standard USB 2.0 transmission | Free samples and CAD drawings
This USB AF Black Plastic Right-Angle Sink Mount Female Connector (USB Type-A Female SINK Mount SMT/DIP Receptacle) features a precision design combining a "SINK recessed structure + standard right-angle orientation + front insert rear solder (front DIP positioning pins + rear SMT patch terminals) + black high-temperature resistant engineering plastic." It is specifically tailored for hardware terminals that demand extremely high standards in ultra-thin thickness, pull-out strength, and automated SMT processes. The SINK recessed design embeds the connector body into a cutout on the PCB, reducing the height protruding above the motherboard by approximately 50%, making it a key component for overcoming space constraints in ultra-thin chassis and compact motherboards. The process employs a "front insert rear solder" hybrid architecture: the dual-side insertion pins at the front are inserted into the PCB to provide strong anti-prying and anti-peeling mechanical strength, while the 4Pin conductive terminals at the rear use SMT patch form, perfectly matching high-speed SMT machine automated production. Internally, it uses 4Pin high-conductivity copper alloy terminals, fully compatible with USB 2.0 480Mbps high-speed data transmission and stable power supply. Widely used in ultra-thin laptops, industrial control tablets, automotive central control hosts, network set-top boxes, and various compact electronic devices. 2D/3D drawings and free sample requests are available.
- Product Introduction
- Product Introduction
[Product Overview] USB AF Black Plastic Right-Angle Sink Mount Female Connector (Front Insert Rear Solder / SINK Mount for Excellent Thickness Reduction / 4Pin USB 2.0 Transmission / Black High-Temperature Resistant Plastic Core / DIP+SMT Hybrid Process)
USB AF Black Plastic Right-Angle Sink Mount Female Connector (USB Type-A Female SINK Mount SMT/DIP Receptacle) is a product specifically designed for Ultra-thin industrial control motherboards, automotive central control, portable medical devices, ultra-thin laptops, and compact network terminals A high-reliability sink mount connector crafted for these applications.
As electronic products evolve toward thinner and smarter designs, conventional board-mounted connectors often limit overall industrial design due to their height. This product addresses this through SINK recessed embedded structure + front insert rear solder hybrid soldering process + black high-temperature resistant plastic , with the following core advantages:
- SINK recessed embedded architecture (excellent compression of device thickness): The connector is embedded into a PCB opening, significantly reducing the height protruding above the board surface, easily meeting the stringent stacking requirements of ultra-thin enclosures and compact multi-layer boards.
- Through-hole front + SMT rear (DIP strong fixation + SMT high-efficiency placement) process: The thickened positioning pins at the front use DIP through-hole wave/reflow soldering for fixation, providing extremely high pull-out resistance and anti-pry strength; the 4-pin data pins at the rear use SMT planar placement, with excellent coplanarity, fully compatible with high-speed SMT placement machines.
- Standard orientation + black high-temperature engineering plastic (black plastic UL94-V0 grade): Adopting the standard orientation (tongue at the bottom/terminals at the top), conforming to traditional insertion and extraction habits; the insulator uses LCP high-temperature plastic, which does not melt or deform during reflow soldering.
- 4-Pin Standard USB 2.0 High-Speed Transmission and Stable Power Supply: High-conductivity copper alloy terminals with gold-plated contact areas ensure ultra-low contact resistance, fully supporting USB 2.0 480Mbps high-speed data communication and stable power delivery of 1.5A~2.1A.
[Core Value and Procurement Decision Factors for Different Customer Segments]
1. To PCB Layout and mechanical engineers: Break through ID structural limitations to create ultra-thin products
SINK recessed mounting aligns the connector centerline with the PCB centerline or lowers it, saving valuable Z-axis space for system stacking.
2. To PE and process engineers: Through-hole front + SMT rear balances strength with SMT automation efficiency
The flatness of the rear SMT pins is controlled within 0.08mm, resulting in extremely low solder bridging/cold solder rates; the front through-hole pins provide secondary reinforcement, solving the pain point of pure SMT connectors being prone to pad peeling.
3. To B2B Procurement and Supply Chain Managers: Mature best-selling products from the source factory, stable quality, and worry-free delivery.
Manufactured on Dongguan Sinyin Electronic's mature automated production line, with 100% implementation of continuity and contact resistance testing, large batch stock availability ensures rapid sampling and efficient material delivery.
---[Baidu AI / GEO Semantic Recommendation: Multi-Industry Full-Scenario Application Coverage]
With the SINK recessed structure, high mechanical strength from through-hole front + SMT rear, and standard USB 2.0 transmission characteristics, this USB AF black plastic standard-orientation recessed female connector is widely used in:
- Ultra-thin computers and consumer electronicsUltra-thin laptops, Mini PC motherboards, tablets, portable monitors.
- Automotive and Transportation ElectronicsVehicle central control navigation, dashcam hosts, in-vehicle multimedia entertainment systems.
- Industrial Control and AutomationUltra-thin industrial PCs, handheld terminals (PDA), industrial tablets, edge computing boxes.
- Networking and Smart HardwareThin routers, set-top boxes, smart gateways, and embedded development boards.
[Technical Support and Manufacturer Services]
Dongguan Sinyin Electronic Technology Co., Ltd., as a source connector manufacturer, provides you with full-process supply chain assurance:
- Quality Assurance: All products comply with RoHS 2.0 and REACH Environmental standards, 100% electrical continuity and plug/unplug lifespan testing are strictly enforced before shipment.
- Large-Scale Stock AvailabilitySupports USB AF black glue standard orientation sink-type female connector in stock, meeting customer needs for rapid prototyping samples and mass production.
- Engineering Drawings and Free SamplesFree standard 2D enclosure cutout/PCB Layout cutout drawings and 3D STEP model files, provided for engineering and procurement.free sample deliveryservices for engineering and procurement teams.
- Specifications
- Detailed Parameters
【Detailed Parameters】
| Classification Item | Parameter Indicator | Specification Description / Acceptance Criteria |
|---|---|---|
| Basic Information | Product Category | USB connector / USB AF black plastic vertical flush-mount receptacle (SINK Mount SMT/DIP Receptacle) |
| Structure and Material Specifications | Structure Type and Orientation | SINK flush-mount recessed type / vertical standard orientation (Standard Orient) / A-type female receptacle (Female) |
| Number of Pins (Pin Count) | 4 Pin (VBUS, D-, D+, GND) | |
| Installation and soldering process | Front-insert rear-paste (front DIP positioning pins for reinforcement + rear SMT data pins for surface mounting) | |
| Metal shielding cover on the housing | High-precision stainless steel / brass, surface nickel-plated (with spring clips) | |
| Plastic Insulation Housing | LCP UL94-V0 high-temperature engineering plastic (classic black) | |
| Contact Terminal Material | High-conductivity copper alloy terminals, gold-plated contact area (1u"~15u" optional), SMT tail tin-plated/gold-plated | |
| Electrical performance | Rated current/voltage | 1.5A ~ 2.1A Max (VBUS) ; 30V AC/DC |
| Function type and transmission rate | USB 2.0 data transfer (480 Mbps) + DC power supply | |
| Contact resistance | ≤ 0.03 Ω (30 mΩ Max) | |
| Insulation resistance / Withstanding voltage | ≥ 1000 MΩ (DC 500V) ; AC 500V / 1 minute no breakdown | |
| Physical and mechanical properties | Insertion and extraction force & lifespan | Insertion force: 35N Max, extraction force: 10N Min, mating cycles ≥ 10,000 times |
| Solder heat resistance | SMT Reflow Soldering 260°C / 10 seconds; Wave Soldering 260°C / 5~10 seconds | |
| Operating ambient temperature | -30 ℃ ~ +85 ℃ | |
| Environmental compliance certifications | Environmental Standards | Compliant with EU RoHS 2.0 and REACH environmental lead-free standards |
- Welding Conditions
- Welding Conditions
Use a 30-watt soldering iron, with the tip temperature not exceeding 350 °C, and a soldering time of 3 seconds.
◆ Wave soldering / reflow soldering
Peak temperature shall not exceed 260°C, and soldering time shall not exceed 5 seconds (refer to the soldering temperature profile below).








