F1891SD600 Crydom - Power Transistor Module

F1891SD600 Description

F1891SD600 is a 600 V, 90 A SCR/diode power module made by Crydom. Typical applications include heater control, motor soft start and controlled rectification in industrial equipment.

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Summary of Features

Target Applications

Crydom F1891SD600 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 F1891SD600 is an F18 Series SCR/diode power module, 90 A average output current, circuit SD (SCR doubler), 600 V reverse blocking, isolation barriers without auxiliary cathodes. Source: Crydom F18 Series Power Modules brochure (Performance Characteristics). Values at 25°C unless noted.

Parameter	Value
Average output current per device (Tc = 85°C)	90 A
Reverse blocking voltage (VRRM)	600 V
Circuit configuration	SD: SCR doubler
One-cycle surge current, peak (non-repetitive)	1950 A
I²t for fusing (8.3 ms)	15800 A²s
Rate of rise of on-state current	100 A/µs
Rate of rise of off-state voltage (Tc = 125°C)	500 V/µs
Leakage current (max, Tj = 125°C, rated voltage)	20 mA
Gate current to fire (max, VD = 6 V)	150 mA
Gate voltage to fire (max, VD = 6 V)	3 V
Latching / holding current (max)	500 mA / 300 mA
Thermal resistance junction to case, per module	0.15 °C/W
Thermal resistance case to sink (with grease)	0.1 °C/W
Isolation voltage (min, terminal to base)	2500 Vrms
Junction operating and storage temperature	-40 to 125°C
Mounting torque	Mounting screws 20 in-lb; terminal studs 30 in-lb

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