YDS / YDS was established in 1990 at Tainan, Taiwan and our factory Ho Mao electronics was established in 1995 at Xiamen, China. We are the leading electronic manufacturer with ISO 9001 & ISO 14001 certified.

Yuan Dean in 2020 TAITRONICS Taipei International Electronics Show

2020 Taipei International Electronics Show is the largest doesmetic electronic components exhibition.This biggest event shows "semiconductor, PCBs, displays, sensors, power supply, electromechanical, system components, passive components, wireless communications products".

Our latest 75W DC-DC converter series -YHB75 with high efficiency and excellent performance

2016~2019 Exhibition Review

The latest 6 Watt Dc-Dc Converter Series with special 40-160Vdc input is launched

A brand new 50W DC-DC converter series -YNB50 is now released

2020 Electronica China

International Trade Fair for Electronic Components, Systems, Applications and Solutions. World's leading trade-fair network: ♦ semiconductor ♦ Embedded Systems ♦ Micro-nano systems (MEMS, etc.) ♦ Sensor Technology ♦ Test and measurement ♦ Electronic Design (ED / EDA) ♦ Passive components (capacitance, resistance, inductance, etc.) ♦ Motor / system peripherals (connectors, relays, switches, keyboard and housing technology, etc.) ♦ power supply ♦ PCB, other circuit carriers and EMS ♦ Components and subsystems ♦ Automotive electronics and testing ♦ wireless technology ♦ Information Collection and Services

Yuan Dean in 2019 TAITRONICS

2019 TAITRONICS is the largest doesmetic electronic components exhibition.This biggest event shows "semiconductor, PCBs, displays, sensors, power supply, electromechanical, system components, passive components, wireless communications products".

Yuan Dean in 2019 Taipei International Industrial Automation Exhibition

In order to meet the overall needs of the industry's continuous upgrading, the exhibition scale of "2019 Taipei International Automation Industry Exhibition" will continue to expand. In addition to the main exhibition projects such as industrial robots and industrial automation equipment, it will expand the collection of industrial Internet of Things, automation software, artificial intelligence. And visual sensing and visual related software and hardware projects, to create a perfect field of virtual and real integration, leading Taiwan's industrial transformation.

Yuan Dean has been certified by the IATF 16949:2016

ISO/TS 16949 (1st edition) was originally created in 1999 by the International Automotive Task Force (IATF) with the aim of harmonizing the different assessment and certification systems worldwide in the supply chain for the automotive sector. In October 2016 IATF 16949:2016 was published by IATF and superseded the current ISO/TS 16949. IATF 16949:2016 is in conjunction with ISO 9001:2015, defining the requirements of a quality management system for organizations in the automotive industry. It represents an innovative document, given the strong orientation to the customer, with inclusion of a number of consolidated previous customer specific requirements, such as QS 9000, VDA6.1, EAQF and AVSQ.

Yuan Dean in 2019 Expo Electrionica

Expo Electronica 2019 is the largest international exhibition of electronic components, modules and systems in Russia. Whether it comes to PCBs, semiconductors, sensors, connectors or displays: electronica is the best place to find out first which components, systems and applications are made possible by the latest developments.

Yuan Dean in APEC 2019

APEC is now considered to be the leading conference for practicing power electronics professionals. The Exposition has grown from about 30 exhibitors in 36 booths in 1991 to more than 165 exhibitors filling 260 booths today. The APEC program addresses a broad range of topics in the use, design, manufacture and marketing of all kinds of power electronics equipment. The combination of high-quality Professional Education Seminars, a full program of refereed papers and an overflowing Exhibit Hall consistently provides an invaluable education each year.

2018 New Product - GA5E Series AC-DC Converter

The new launch of Yuan Dean GA5E series is the ultra compact and smallest size of 5W, 1” x 1” AC-DC module converter on the market. The units meet EN55032-“B“ limits without any external components.Feature with DIL-5PIN of only 25.4 x 25.4 x16.1 mm of PCB small space, which is the best choice for low cost and space saving. And universal Input 90~264VAC which is suitable for worldwide use.With perfect efficiency up to 85% allows operating temperature to +50°C without power derating, and under operation temperature +70°C, the output wattage can still maintain up to 60%.This series is the best solution for different applications in industrial control, electric power, Instruments & communication, medical, railway & IGBT.The GA5E series were certified of UL/IEC/EN60950-1 and UL/IEC/EN62368-1 with CB report, they were CE-marked as well.

DC-DC Converter New Specification(Railway)

Yuan Dean Railway DC-DC Converter series get the power range from 8 to 40W, our layout is able to meet stringent requirements and harsh environment testing to satisfies the needs of railway application. The input voltage is from 40 to 160V which means it meets the normally power using demands (24V/48V/72V/110V),and has many protectionmechanisms (over-current protection, output over-voltage, output short-circuit protection), can be extensively usedin the railway traction inverter, standby power system, train operation monitoring, gate controller ... and many other railway systems.

2018 New Product - 27DW-9W Series DC-DC Converter

The Yuan Dean 27DW-9W series is a new launch of high power density isolated 9W DC/DC converter module featuring fully regulated output voltages and ultra-wide 4:1 input voltage ranges. Packaged SIP-8 of only 21.8 x 9.2 x 11.1 mm of PCB small space.With perfect efficiency allows operating temperatures up to +50°C without power derating.The best solution for applications in battery powered equipment and instrumentation by advantage of its very low stand-by power consumption.

AC-DC Converter New Specification(Medical)

AC-DC converter (medical) is one of Yuan Dean's major product, feature with universal input 85-264VAC and meet the safety standard. We have high isolation with 4KVac, new GA5M & GB5M series, which has both module and open frame choices.

DC-DC Converter New Specification(Medical)

Yuan Dean has accumulated years of experience and dedicated to power supplies research and development, and this year launched the medical class DC-DC converters to respond the rigorous application of medical equipment and reinforced insulation system. Yuan Dean offer 1 to 15W DC-DC converters that meet the medical certification and have high isolation withstand voltage. As we understand the requirements formedical application and we have increased insulation isolation from 3000VAC to 5000VAC. Our medical DC-DC converters meet the ANSI/AAMI ES60601-1, IEC/EN 60601-1 3rd edition of medical safety standards and widely used in medical assist devices, computed tomography, ultrasound and other medical ancillary equipment. We proudly recommend 30DW-10WM for the SIP 7 package which can reach 10W, 3000VAC.

2017 New Product - 96DW-R6 Series DC-DC Converter

The Yuan Dean 96DW-R6 series is a new launch of 30W, 1" x 1" DC-DC converter module, featuring extremely wide input range of 4 : 1.Packaged SIP-6 of only 25.4 x 25.4 x10.6 mm of PCB small space. Heat sink is available to be added for customer's requirement.With perfect efficiency up to 92% allows operating temperatures to +50°C without power derating; under operation temperature +80°C, the output wattage can still maintain up to 50%.The best solution for applications in industrial control, electric power, Instruments & communication.

Yuan Dean Scientific Co., Ltd. New facility inauguration at Tainan Industrial Park

Yuan Dean Scientific Co., Ltd. was planning to build our new facility at Tainan Industrial Park in order to provide the best quality, better lead time and total solution, we devoted to provide our employee the best working environment. In June of 2016 we finished the establishment, and moved in on 2016/7/5, please keep supporting us!