F1857RD1200 Crydom - Power Transistor Module

F1857RD1200 Description

The Crydom F1857RD1200 is an SCR/diode power module, rated for 1200 V and 55 A. It is used as a building block for AC switches, soft starters, controlled rectifiers and heater controls.

Request a quote for the F1857RD1200 and our team will get back to you with price, quantity available and lead time. We ship worldwide. As with any power device, please check the manufacturer's datasheet to confirm it matches your design.

Summary of Features

Target Applications

Crydom F1857RD1200 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 F1857RD1200 is an F18 Series power module (SCR/diode power control building block), circuit type RD, 55 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)	55 A
Operating voltage code	1200 (480 VAC line)
Repetitive peak reverse voltage (VRRM)	1200 Vpk
Circuit type	RD (see datasheet circuit diagram)
Maximum voltage drop (VF)	1.4 V @ 165 A
Maximum non-repetitive surge current (1/2 cycle, 60 Hz)	1500 A
Maximum I²t for fusing (8.3 ms)	9350 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	0.25 °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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