ETN35-030 Fuji Electric - Power Transistor Module

ETN35-030 Description

The ETN35-030 from Fuji Electric is a Darlington transistor module with a 300 V / 300 A rating. It was a workhorse in drives and power supplies before IGBTs took over, and it is still needed to repair that equipment.

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Summary of Features

Target Applications

Fuji Electric ETN35-030 is used for High Power Switching, Uninterruptible Power Supply, DC Motor Controls and Welding Machines.

Key Specifications

ETN35-030 is a 400 V / 300 A Darlington transistor module from Fuji Electric. Source: manufacturer datasheet (detailed).

Parameter	Value
Manufacturer	Fuji Electric
Product type	Darlington transistor module (power transistor module)
Configuration	Single Darlington with free-wheeling diode (Fig. B4)
Package	Case BBTIII
Collector-base voltage (VCBO)	400 V
Collector-emitter voltage (VCEO)	400 V
Collector current (IC)	300 A (DC); ICP 500 A (1 ms)
Base current (IB)	12 A (DC); IBP 24 A (1 ms)
Collector power dissipation (PC)	1500 W (one transistor)
DC current gain (hFE)	100 min (IC = 300 A, VCE = 2 V)
Collector-emitter saturation voltage (VCE(sat))	2.0 V max (IC = 300 A, IB = 3 A)
Collector-emitter voltage (VCEO(SUS))	300 V min (IC = 1 A)
Junction temperature (Tj)	+150 °C
Thermal resistance (Rth(j-c))	0.083 °C/W max (power transistor)
Datasheet	Available on this page (PDF)

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