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MT, MF, MD Series
Solid State Rectifier

MT, MF, MD Series Solid State Rectifier

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MT, MF, MD Series Solid State Rectification Module is a kind of Solid State Rectification Modules which is available in a wide range of applications, and is also especially for electrical welding machine. MT, MF, MD Series are all non-isolated rectification modules. MT Series (non-insulated solid state thyristor rectification module) is composed entirely of power thyristors; MD Series (non-insulated solid state diode rectification module) is composed entirely of power diodes; MF Series (non-insulated solid state thyristor and the diode hybrid rectification module) are composed of power thyristors and power diodes.

How to order

How to order MT, MF, MD Series Solid State Rectifier

[Series] {MTY, MTG (Non-insulated Thyristor Rectification Module, Fully-controlled) ; MFY, MFG (Non-insulated Thyristor Rectification Module, Half-controlled); MDY, MDG (Non-insulated Diode Rectification Module, Non-controlled)}
  - [Rated Current]


MT, MF, MD Series img

MT, MF, MD Series

Load Current:  70A, 110A, 160A, 200A, 250A, 300A
Dimensions & Mounting:  Click here to get the corresponding overall dimensions according to the shape code, Panel mount solid state module with plastic cover, metal base and screw terminals


● The transistor is not insulated from the backplane, and the backplane is a common electrode
● International standard package
● "Vacuum + hydrogenation protection" welding technology
● Low forward voltage drop
● Maximum operating junction temperature up to 140 ℃
● High surge current
● Crimp style structure, excellent thermal cycling and power cycle capability

Dimensions and Circuit Wiring Diagram

MT, MF, MD Series

MT, MF, MD Series Dimensions


● Welding machine power supply
● Various DC power supplies
● Frequency converter

Precautions and FAQs

● What is the difference between Non-insulated Type and Insulated Type?
For non-insulated type, there is at least one input power line is connected to the output power line. For insulated type, the input power line and the output power line are isolated and non-conductive.

All Regular Models We Offer

● MTY, MTG Series / MFY, MFG Series

Non-insulated Thyristor / Rectifier Hybrid Module Solid State Rectifier

● MDY, MDG Series

Non-insulated Rectifier Module Solid State Rectifier

*Customized models are available, be free to contact us.


1) When selecting the rated current of the solid state relay/solid state module, please consider the corresponding Derating Factor.
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