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Ultra-small waterproof 4-pin connector

Product Overview： Our ultra-small waterproof 4-pin connector is a compact, high-efficiency connection solution designed for space-limited miniature electronic devices that require simultaneous power supply and multi-channel signal transmission. Featuring a precise 4 independent pin design, this ultra-compact waterproof connector solves the common wiring limitations of 2-pin and 3-pin connectors, delivering richer signal transmission capabilities while maintaining an extremely tiny body size. Built with integrated sealing technology and premium industrial-grade materials, this 4-core waterproof plug offers outstanding IP67 waterproof, dustproof and anti-interference performance. It maintains long-term stable operation in outdoor humid, dusty, vibrating and other harsh working environments, making it an ideal standard connection accessory for smart home devices, outdoor electronics, automotive micro wiring, and precision industrial equipment. Thanks to its ultra-small streamlined structure and isolated 4-channel circuit design, this 4-pin waterproof connector effectively avoids signal crosstalk, current fluctuation and power loss. It greatly saves equipment internal installation space, simplifies complicated wiring layout, and significantly improves the integration degree and operational stability of miniaturized electronic products, perfectly matching the lightweight and compact development trend of modern precision devices.

Application field： Smart Home Mini Devices，Outdoor Electronic Equipment，Automotive Micro Electronics，Industrial Precision Automation，Wearable & Miniature Devices

Mobile: +86 15810047588
Email: 469148808@qq.com

Category:

Waterproof connector

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Core Features & Advantages

Ultra-Small Compact Body: Adopts optimized miniaturized structural design with ultra-small overall dimension, which greatly reduces installation space occupation. It is perfectly suitable for dense wiring and narrow embedded installation scenarios where ordinary connectors cannot be installed, supporting flexible assembly and neat wiring arrangement.

4-Pin Independent Stable Transmission: Four fully isolated independent pin channels support synchronous power transmission and multi-group signal output. It upgrades the insufficient channel problem of 2/3-pin connectors, meeting multi-signal control and data feedback requirements of precision equipment without additional wiring expansion.

IP67 Industrial Waterproof & Dustproof: Equipped with one-piece overmolding sealing process and high-elasticity waterproof rubber ring, forming a fully enclosed protective structure. It effectively resists rain immersion, water splashing, dust accumulation and moisture erosion, ensuring consistent and reliable electrical performance in complex harsh environments.

Durable Industrial-Grade Material: The connector shell is made of flame-retardant and anti-aging engineering plastic with excellent compression resistance and bending resistance. The internal contact pins adopt high-purity oxygen-free copper with anti-oxidation nickel plating, featuring low resistance, high conductivity and long service durability.

Anti-Loose & Anti-Vibration Structure: Precision docking and locking design ensures tight fitting after plug-in. It effectively prevents poor contact and signal interruption caused by long-term vibration, shaking and pulling, ensuring continuous and safe circuit connection.

Plug-and-Play & Wide Compatibility: Tool-free quick plug-and-play installation improves assembly and maintenance efficiency. Compatible with AWG24-AWG28 fine wires, it is widely applicable to various ultra-small low-power and multi-signal precision electronic devices.

Product Specifications

Item	Specification
Product Type	Ultra-Small Waterproof 4-Pin Connector
Pin/Core Number	4 Pins (Independent Isolated Circuit)
Waterproof Rating	IP67 (Full Dustproof & Temporary Water Immersion Proof)
Shell Material	Flame-Retardant & Anti-Aging Engineering Plastic
Pin Material	High-Purity Copper with Anti-Oxidation Nickel Plating
Applicable Wire Gauge	AWG24 - AWG28 Fine Wires
Working Temperature	-20℃ ~ +85℃
Plugging Life	≥1000 Times Plug & Unplug Cycles
Key Performance	Ultra-Small Size, IP67 Waterproof, Anti-Vibration, Anti-Crosstalk, Stable Transmission

Application Scenarios

This ultra-small waterproof 4-pin connector is widely used for miniaturized equipment that requires compact installation and multi-signal&power integrated connection, covering commercial, industrial and consumer electronics fields:

Smart Home Mini Devices: Multi-function smart sensors, RGB landscape lights, intelligent door/window detectors, waterproof smart control modules

Outdoor Electronic Equipment: Mini outdoor monitoring cameras, outdoor environmental sensors, portable outdoor waterproof devices, intelligent roadside terminals

Automotive Micro Electronics: Vehicle miniature multi-function sensors, car ambient light modules, motorcycle control wiring harnesses, automotive hidden connection parts

Industrial Precision Automation: Micro industrial detection sensors, miniature automation control modules, precision instrument signal and power connection units

Wearable & Miniature Devices: Waterproof wearable smart gadgets, portable miniature detection devices, small intelligent beauty and consumer electronics

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