F1842CAH1200 Crydom - Relays

F1842CAH1200 Description

Rated at 1200 V and 40 A, the Crydom F1842CAH1200 is an SCR/diode power module. It is used as a building block for AC switches, soft starters, controlled rectifiers and heater controls.

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Summary of Features

Target Applications

Crydom F1842CAH1200 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 F1842CAH1200 is an F18 Series power module (SCR/diode power control building block), circuit type CAH, 40 A DC output current, for 480 VAC lines. Source: Crydom F18 Series datasheet. Values at 25°C unless noted.

Parameter	Value
Maximum DC output current (Tc = 85°C)	40 A
Operating voltage code	1200 (480 VAC line)
Repetitive peak reverse voltage (VRRM)	1200 Vpk
Circuit type	CAH (see datasheet circuit diagram)
Maximum voltage drop (VF)	1.4 V @ 120 A
Maximum non-repetitive surge current (1/2 cycle, 60 Hz)	1000 A
Maximum I²t for fusing (8.3 ms)	4150 A²s
Critical rate of rise of on-state current (Tj = 125°C)	100 A/µs
Critical rate of rise of off-state voltage	1000 V/µs
Gate trigger current / voltage (25°C)	150 mA / 3.0 V
Average gate power	0.5 W
Maximum peak reverse gate voltage	5.0 V
Maximum thermal resistance, junction to ceramic base per chip	0.28 °C/W
Operating junction temperature	-40 to 125°C
Isolation voltage	2500 Vrms
Weight (typical)	4.75 oz (135 g)
Torque	Terminal stud screw 30 in-lb; mounting screws 20 in-lb

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