EFD20G Crydom - Power Transistor Module

EFD20G Description

The EFD20G is an SCR/diode power module made by Crydom. It is used as a building block for AC switches, soft starters, controlled rectifiers and heater controls.

USComponent (Young & New Century LLC) supplies power modules, thyristors, diodes and other industrial components, including legacy parts. Contact us for a quote on the EFD20G, and please confirm ratings against the datasheet before ordering.

Summary of Features

Target Applications

Crydom EFD20G is used for AC/DC power conversion and control: controlled rectifiers, DC motor drives, heater and power control, battery chargers and power supplies.

Key Specifications

Crydom EFD20G is an EF Series SCR/diode power module (ceramic base), circuit 20: hybrid triple switch, 3 diode / 3 SCR, half control, current code D (75 A), voltage code G (1400 V). Source: Crydom Series EF power modules datasheet (values per semiconductor cell, 25°C). Values at 25°C unless noted.

Parameter	Value
Current rating (full conduction; AC switch values RMS)	75 A
Voltage	1400 V
Circuit	No. 20: hybrid triple switch, 3 diode / 3 SCR, half control
Surge current, non-repetitive (one cycle, 60 Hz)	400 A
I²t for fusing (< 8.3 ms)	650 A²s
Forward drop (peak)	1.7 V @ 70 A
Leakage current (IDRM, IRRM)	10.0 mA
Gate trigger current IGT (max)	100 mA
Gate trigger voltage VGT (max)	2.5 V
Peak gate power	5.0 W
Voltage rate of rise dv/dt (exponential, Tc = 125°C)	100 V/µs
Current rate of rise di/dt	100 A/µs
Operating temperature	-40 to 125°C
Thermal resistance, chip to baseplate	0.5 °C/W
Thermal resistance, base to heatsink (with compound)	0.3 °C/W

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