LAN Transformer_RJ45/SFP Connectors_Common Mode Choke_Source Manufacturer: Suzhou VOOHU Electronics Technology Co., Ltd. (VOOHU)
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I/O Connector Series RJ45 & SFPFull range of products; Customization supportedThe standard RJ45 series includes the standard RJ45 series and the integrated RJ45 series，Special RJ45 series includes waterproof RJ45, XLR RJ45, and RJ45 straight connectors. The standard SFP series includes SFP CAGE and SFP CONNECTOR,Optional accessories include light guides and heat sinks; available in single-port, multi-port, and stacked configurations and belly to belly... -
Network Connector RJ11/RJ45Efficient transmission, stable connectionThe RJ45 series includes the regular RJ45 series and the integrated RJ45 series, including 1×1, 1×N, and 2×N sink-type modules, supporting 90° vertical and 180° vertical installation options.
The integrated RJ45 interface provides comprehensive speed support, including built-in 100M, 1000M, 2.5G, 5G, 10G, and HDBase-T. -
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POE Power TransformerSupports customization complete certifications.Voohu Electronics' PoE power transformers offer comprehensive temperature resistance and compliance support.，
It features simplified wiring, high flexibility, and high reliability for long-distance transmission. -
Products
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Applications
VOOHU has provided a broad product portfolio to meet the needs of customers in a variety of applications.
Industrial Control
VOOHU is committed to providing better electronic components for the industrial control field, providing a variety of solutions to help the development of industrial automation and intelligence
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Latest News
2026-07-03
Suzhou VOOHU Electronics : 2026 electronica China Concludes Successfully – Looking Forward to 2027!
On July 3, 2026, the three‑day electronica China came to a successful close at the Shanghai New International Expo Centre.
VOOHU Electronics (VOOHU) presented its “Eight Major Solutions” and a complete portfolio of communication electronic com
2026-06-18
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 complete product portfolio and our “Eight Major Solutions”.
From July 1 to 3, at t
2026-02-11
Walking Together, Embarking on a New Journey: Suzhou VOOHU Electronics Technology Co., Ltd.'s 2025 Annual Ceremony Successfully Held
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
2025-09-26
VooHu: A communications electronics brand that has "reliability" ingrained in its DNA, harboring its original aspirations and aspirations.
After a long time in the communications and electronics industry, you'll discover that, more than flashy marketing, reliability is the most valuable quality—delivering on promises, not shirking responsibility when problems arise, and making collaboration effortless and hassle-free. VooHu's success in the industry over the past few years stems from transforming reliability from a slogan into concrete action, embedding it in every detail of its brand value.
2026-05-22
【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 the power transformer and the LAN Transformer is appropriate directly determines power supply ef
2026-04-03
VOOHU :Voltage-Mode vs Current-Mode PHY: Drive Principles, Peripheral Design, and Selection Guide
The driver type of an Ethernet PHY chip directly determines system signal integrity, anti-interference capability, and hardware design complexity. Voltage-mode and current-mode PHYs may appear to differ only in signal carrier, but they have fundamental di
2026-03-06
【PRODUCT BASIC INTRODUCTION】SINGLE-PAIR ETHERNET(SPE) CONNECTOR
In the traditional industrial automation pyramid, the field layer (sensors, actuators) and the control layer (PLC) have long been separated by various closed, low-speed fieldbuses (such as Profibus, CAN, IO-Link, etc.).This architecture leads to complex c
2025-12-29
Audio transformers: a key component in professional audio systems
In audio systems, speakers and amplifiers are often the focus of discussion, while the audio transformer, a crucial component, is frequently overlooked. In reality, it plays an indispensable role in ensuring sound purity, reducing background noise, and ex
2026-06-29
【Standard Circuit Design】Isolated SPI Solution Standard Circuit Reference
This solution is VOOHU Electronics (VOOHU)'s standard isolated SPI solution. The company has focused on the field of communication electronic components for over 9 years, adhering to the business philosophy and service concept of "Choose VOOHU – Tru
2026-06-12
【Frequently Asked Questions】Placement of Common‑Mode Choke in Ethernet Transformers: Detailed Explanation for Non‑PoE and PoE Scenarios – VOOHU
In Ethernet hardware circuit design, the LAN Transformer is a core component that ensures signal transmission and provides electrical isolation. The isolation transformer and common‑mode choke (CMC), as the two key supporting components of the Ethernet tr
2026-06-05
【Solution Application Areas】RS485 in Industrial Communication Applications – Part 1
In industrial communication systems, the selection of physical layer interfaces directly affects the signal integrity, reliability, and system cost of bus nodes. From multi‑node interconnection in PLC control cabinets, to lightning protection in outdoor s
2026-05-29
【Product Selection Guide】 Reintroducing VOOHU Electronics SFP Connectors—Far More Than Just a "Cage for Optical Modules"
In today’s rapidly advancing world of high-speed data communication and optical interconnect technology, SFP cages have become indispensable physical interfaces in network equipment. From Gigabit to 800G, from data centers to 5G front‑haul, the form
2026-07-08
SFP Cage: VOOHU WH81-111-Y0002-1 as a Replacement for Pulse SFPCAGE002-L
Competitor Product Overview (Pulse Electronics (a YAGEO company))
Pulse Electronics (a YAGEO company) is a well-known global maker of magnetics and connectors, spanning LAN transformers, PoE magnetics, antennas and interconnects such as SFP cages. The SFP
2026-07-07
RJ45 Jack Connector : VOOHU WH56A31882021103 as a Replacement for TXGA FRJ45012-1103K6K1200
Competitor Product Overview (TXGA (TXGA Industrial Electronic Co., Ltd.))
TXGA (TXGA Industrial Electronic Co., Ltd., Shenzhen) is a connector and cable-assembly manufacturer whose product range covers RJ45 network connectors, M16 circular connectors, wir
2026-07-07
RJ45 RJ45 Offset Connector: VOOHU SYT-CB4.2YGZNL as a Replacement for TXGA FRJ45041-1301K6K1100
Competitor Product Overview (TXGA (TXGA Industrial Electronic Co., Ltd.))
TXGA (TXGA Industrial Electronic Co., Ltd., Shenzhen) is a connector and cable-assembly manufacturer whose product range covers RJ45 network connectors, M16 circular connectors, wir
2026-07-03
RJ45 Integrated Magnetics Connector: VOOHU SYT111B002BA2A1D as a Replacement for HanRun HR911105A
VOOHU SYT111B002BA2A1D single-port 1×1 tab-down 10/100Base RJ45 jack with integrated magnetics — a pin-to-pin replacement for HanRun HR911105A: 350µH OCL, 2250V DC isolation, identical return loss and crosstalk, and a wider -40~+85°C industrial operating range.
2026-07-08
VOOHU Selection Guide: LAN-Transformer Selection, Cost-Down and EMC Pitfall-Avoidance for Home & Consumer Router/Switch 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
2026-07-07
VOOHU Field Guide: Troubleshooting Gigabit Ethernet Ports — Link-Up Failure, Packet Loss and Overheating, with Magnetics Selection
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
2026-07-06
VOOHU Guide: Designing the PoE RJ45 Port for Security IP Cameras — LAN Transformer, PoE Powering & Surge/ESD Protection
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.
2026-07-02
Industrial TSN Physical-Layer Design: How VOOHU Helps You Choose the Right Ethernet Transformers, Common-Mode Chokes and Port Protection for Deterministic Networking
From the PHY and LAN transformer to common-mode chokes and port protection, VOOHU shows how to build TSN determinism on a solid physical-layer foundation, with a selection table for 1G / 2.5G / EtherCAT / PoE ports.
