1DI400MN-120 Fuji Electric - Darlington Module

1DI400MN-120 Description

Fuji Electric 1DI400MN-120 is a Darlington transistor module rated at 1200 V and 400 A. It is built with a single switch with its freewheeling diode (1-in-1). You will mostly see it in older AC drives, servo amplifiers and UPS systems, where a like-for-like replacement keeps the machine running.

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Summary of Features

Target Applications

Fuji Electric 1DI400MN-120 is used for high-power traction inverters and choppers, medium-voltage motor drives, static VAR compensators and other high-power converters.

Key Specifications

1DI400MN-120 is a 1,200 V, 400 A power transistor (bipolar Darlington) module, single configuration. Source: manufacturer datasheet.

Parameter	Value
Product type	Power transistor (bipolar Darlington) module
Configuration	Single
Collector-emitter voltage (VCES)	1,200 V
Collector current (IC)	400 A
Datasheet	Available on this page (PDF)

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