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As the years change and new chapters unfold,we gather here at this pivotal moment,to review our shared journey and look forward to a new chapter.The VOOHU 2025 Annual Meeting is being held in grand style,and all colleagues are gathered together,to pay tri
1. Basic principle of push-pull transformerThe push-pull transformer is a high-frequency transformer that is widely used in power electronic devices such as switching power supplies and inverters. Its basic working principle involves utilizing two alterna
Switch/router board power running hot, ripple too high, ports failing radiated EMC? A practical guide to buck power inductors—ripple current, saturation current Isat, temperature-rise current Irms, DCR and magnetic shielding—with a VOOHU molded-inductor (WHYT1050/1265/2313) selection table, layout checklist and FAQ.
A gigabit Ethernet port (1000BASE-T) is a near-mandatory feature on almost every switch, router, IP camera (IPC) and industrial gateway board — and it is also one of the interfaces most likely to bite back during bring-up. In the field, engineers ke
Why do IP-camera Ethernet ports drop offline and blow dead every storm season? VOOHU breaks down the three jobs of the RJ45 port—LAN-transformer isolation & PoE current rating, PoE power-transformer sizing for 802.3af/at/bt, and coordinated GDT/TVS/ESD surge protection—with a real part-number selection table for reliable outdoor ports.
Consumer-grade products such as home routers, desktop switches, set-top boxes (STB), optical modems (ONU) and smart-speaker ports share two labels: high volume and cost sensitivity. On a home router shipping in the millions, saving a few cents of port BOM
The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.
The company can keep up with the changes in this industry market, product updates fast and the price is cheap, this is our second cooperation, it's good.
We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.