WHKNZ63N9080001051AB33 RJ45/90 degree pass-through Canon Self - locking Series

VOOHU Electronics holds ISO 9001:2015 international quality management system certification, ISO 14001:2015 environmental certification, RoHS environmental certification, REACH certification, and CE certification.

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The core difference is the locking mechanism. An ordinary RJ45 relies on a plastic clip latch that withstands about 10-15 N of pull force and is prone to loosening in vibrating environments. The XLR RJ45 uses a mechanical latch design similar to an XLR connector; its stainless-steel latch can withstand ≥50 N of pull force, and once locked, the plug will not come out due to cable tugging or equipment vibration. Unlocking requires pressing the "PUSH" button—intuitive and resistant to accidental release. VOOHU's XLR RJ45 (A series) supports CAT5e transmission and PoE++ (100W).

The plastic version (engineering-plastic housing) is economical and lightweight, suitable for in-cabinet interconnects, fixed installation, and environments with low electromagnetic-shielding requirements. The metal version (die-cast zinc-alloy housing) provides excellent EMI/RFI shielding and a more industrial look, suitable for high-vibration, strong-interference scenarios such as stage lighting, outdoor broadcasting, and in-vehicle communication. The metal version can also provide ESD discharge through housing grounding.

VOOHU's XLR RJ45 supports both vertical (90°) and horizontal (180°) PCB mounting orientations to suit different chassis layouts. Panel mounting supports both front and rear mounting, with a maximum compatible panel thickness of 3 mm, fastened with M3 screws. The matching XLR-type RJ45 male plug (cable end) forms a secure connection when mated with the socket.

Under random vibration (5-500 Hz, 10g RMS), the main failure mode of a standard RJ45 is loosening of the clip latch causing intermittent disconnection—vibration acceleration causes micron-level displacement of the plug within the socket, and fluctuating contact pressure causes momentary open circuits (typically <1 μs), which manifest at the data link layer as a surge in CRC errors. After about 2 hours of vibration, the clip permanently deforms and the contact force drops into the unreliable range.

The reliability of the XLR RJ45 is ensured at three levels:

- Mechanical latch eliminates displacement: the stainless-steel latch rigidly locks the plug and socket into one unit, eliminating fretting space, and will not detach even under 50 N of sustained pull force.

- Contact normal-force redundancy: the spring preload of the XLR structure is designed to be 1.5 times that of an ordinary RJ45 (about 1.2 N vs 0.8 N per contact), maintaining effective contact even at peak vibration acceleration.

- Multi-point contact design: some VOOHU models use bifurcated contacts, so a single pin has two independent contact points, and the failure of either does not affect continuity.

Measured comparison: after IEC 60068-2-6 vibration testing (10g RMS / 3 axes / 8 hours per axis), the standard RJ45 contact resistance changed >50 mΩ (fail), while the XLR RJ45 changed <5 mΩ.

The key to full-link EMI protection is establishing a continuous low-impedance path from the cable shield to the equipment chassis ground, with no break allowed:

1. Cable end: a shielded-shell modular plug is crimped inside the XLR RJ45 male connector, and the cable's braided shield is bonded to the male metal housing via a 360° circumferential connection.

2. Mating interface: after locking, the male metal housing and the female zinc-alloy housing form a surface contact with contact resistance <10 mΩ, ensuring common-mode current passes smoothly.

3. PCB end: the female metal flange connects to the PCB chassis-ground (PE) copper through multiple vias (spacing ≤3 mm), and this copper then makes reliable contact with the equipment chassis via conductive foam or spring contacts.

4. Ground-to-ground isolation: PE and the internal digital ground (GND) are connected at a single point through a 1 MΩ resistor in parallel with a 1 nF/2 kV capacitor—the resistor provides an ESD discharge path, the capacitor provides a low-impedance loop for high-frequency common-mode noise, while blocking low-frequency ground-loop currents.

VOOHU's metal-version XLR RJ45 has a zinc-alloy housing with ≥3 μm nickel plating and built-in EMC spring contacts, so the entire connector area forms an equivalent Faraday cage after assembly.