Selection guides, cross-reference reviews and engineering Q&A for LAN transformers, RJ45, SFP and other communication components, plus the latest from VOOHU.
VOOHU WHSG24706-1PTG can be used as a functional alternative to the Bourns PT61020EL — verify with samples in your design. Both are 24-pin, 1.27 mm-pitch SMD LA
Selection guides, cross-reference reviews and troubleshooting Q&A. Conclusions first, details and checklists after.
Choosing an industrial PCB RJ45 jack starts from the constraint the application imposes, not from the application name. Seven constraints decide most choices: v
VOOHU WHST06Q02E0 is a 1CT:2.88CT, six-pin SMT push-pull transformer with 86 µH open-circuit inductance, 2500 VAC isolation test voltage, and a −40°C to +125°C
In Power over Ethernet (PoE), the PSE (power sourcing equipment) is the end that supplies power, such as a PoE switch port or a midspan injector, and the PD (po
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Exhibitions, company notices and product launches.
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Countdown! July 1–3, Shanghai | VOOHU Returns to electronica China with “Eight Major Solutions”
Shanghai New International Expo CentreVOOHU Booth: N2.735 (Hall N2, Booth 735) In 2024, VOOHU made its debut at electronica China.In 2026, we return with a more
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2026 VOOHU Electronics (VOOHU) Labor Day Holiday Notice
Dear customer: Hello! On the occasion of Labor Day, all employees of Suzhou VOOHU Electronic Technology Co., Ltd. would like to extend our most sincere holiday
![[New Product Recommendation] CAT6A 10 Gigabit Waterproof RJ45 Coupler Male and Female](/upload/image/20260717/4694ba2c3b52b9d273512e3777f53f84.jpg)
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【Product Overview】 Master PoE Power Transformers: This One Article Is All You Need — VOOHU Electronics
In PoE power system design, the selection of PSE and PD controllers often draws the most attention. However, in real engineering, whether the matching between t
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Voltage-Mode vs Current-Mode Ethernet PHY: What Is the Difference, and How Do You Connect the Transformer Center Tap?
The driver type of an Ethernet PHY chip directly determines system signal integrity, anti-interference capability, and hardware design complexity. Voltage-mode
261 articles · Newest first
VOOHU WHSG24706-1PTG can be used as a functional alternative to the Bourns PT61020EL — verify with samples in your design. Both are 24-pin, 1.27 mm-pitch SMD LA
For a 7499111001A socket, VOOHU SYT111Q068HWA1D is a functional alternative — verify with samples in your design. Each part is a single-port, right-angle, tab-d
VOOHU WH81-151-Y0002-1 is a functional alternative to the TE Connectivity 1367073-1 — verify with samples in your design. Both parts are 20-position, 0.8 mm pit
For an industrial 10/100 port rated −40 to +85 °C, the VOOHU WHS16037TG is a functional alternative to the Bel S558-5999-T7-F — verify with samples in your desi
VOOHU SYT111Q068DB1A1D is a functional alternative to the Würth Elektronik 7499111121A — verify with samples in your design. Both are single-port, right-angle,
Choosing an industrial PCB RJ45 jack starts from the constraint the application imposes, not from the application name. Seven constraints decide most choices: v
An EtherCAT slave needs a PHY that runs IEEE 802.3 100BASE-TX (or 100BASE-FX) at 100 Mbit/s full duplex and connects to the EtherCAT slave controller (ESC), pre
In Power over Ethernet (PoE), the PSE (power sourcing equipment) is the end that supplies power, such as a PoE switch port or a midspan injector, and the PD (po
Choose a push-pull converter when the input is a fixed low-voltage rail and you need a simple isolated bias supply, for example for an isolated RS-485, CAN or S
Not directly under the magnetics. In an Ethernet magnetics layout, keep a continuous ground plane under the MDI traces from the PHY to the transformer, then voi
QSGMII (Quad Serial Gigabit Media Independent Interface) is a MAC-to-PHY interface that combines four SGMII ports into a single 5 Gb/s serial link, so one SerDe
USB ESD protection means placing an ESD diode on every line that leaves the board through the USB connector, as close to the connector as the layout allows, so
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