Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

Shenzhen Mingjiada Electronics Co., Ltd. has long specialised in supplying core semiconductor products such as ROHM Semiconductor power MOSFETs, bipolar transistors, and high-end audio DAC chips. Leveraging its global supply chain network and professional technical team, Mingjiada Electronics provides genuine ROHM Semiconductor solutions for industries including industrial control, automotive electronics, consumer electronics, and high-end audio equipment.

Power MOSFET Product Line

The ROHM power MOSFET series supplied by Mingjiada Electronics includes:

N-channel power MOSFET

Model example: RCX450N20 (200V/45A, RDS(on)=0.042Ω@10V)

Features: Uses TO-220FM packaging, supports 10V drive voltage, suitable for applications such as switching power supplies and motor drives

Automotive-grade power MOSFETs

Compliant with AEC-Q101 standards, featuring low on-resistance and high voltage withstand characteristics

Suitable for applications such as electric drive systems in new energy vehicles and on-board chargers (OBC)

Industrial-grade power MOSFETs

Operating temperature range of -55°C to 150°C, meeting the demands of harsh industrial environments

Available in multiple packaging options such as D2PAK and TO-247

Bipolar transistor product series

Mingjiada Electronics supplies ROHM bipolar transistors, including:

General-purpose bipolar transistors

Covering PNP/NPN types, voltage range 20V-120V

Suitable for basic circuits such as signal amplification and switch control

High-power bipolar transistors

Collector current up to 10A or more

Particularly suitable for high-current applications such as audio amplifier output stages and power regulation

RF bipolar transistors  

Excellent high-frequency characteristics, with ft up to 8GHz  

Used in wireless communication, RF front-end, and other high-frequency circuits

Typical application areas  

Industrial power electronics  

ROHM power MOSFETs are used in servo drives and photovoltaic inverters  

Bipolar transistors are used in PLC control circuits

Automotive electronics

Automotive-grade MOSFETs are used in electric drive systems for new energy vehicles

CAN/LIN transceiver chips support in-vehicle networks

High-end audio equipment

MUS-IC™ DAC chips are adopted by high-end audio manufacturers

Used in SACD players, digital preamplifiers, and other equipment

Consumer electronics

Low-power MOSFETs are used in fast-charging power supplies

Audio DAC chips enhance the sound quality of TWS earphones

Advantages of supplying Rohm semiconductor products

Mingjiada Electronics ensures that all Rohm semiconductor products supplied are genuine original products. With extensive industry experience and global supply chain resources, the company can quickly respond to customer needs and provide efficient and convenient procurement services.

Service highlights

Mingjiada Electronics maintains an inventory of over one million types of electronic components, with a warehouse and logistics network covering Shenzhen, Hong Kong, and other regions, supporting an efficient ‘same-day ordering, next-day shipping’ delivery model.

Contact Information  

Phone: +86 755-83294757  

Mobile: 13410018555 (Mr. Chen)  

Email: sales@hkmjd.com  

Website: www.hkmjd.com