F1857D400 Crydom - Power Transistor Module

F1857D400 Description

Crydom makes the F1857D400, a 400 V, 55 A SCR/diode power module. It is used as a building block for AC switches, soft starters, controlled rectifiers and heater controls.

USComponent has sourced power semiconductors for maintenance teams and OEMs since 2001. For price and availability of the F1857D400, send us a request for quote. Please confirm the specifications against the manufacturer's datasheet before purchase.

Summary of Features

Target Applications

Crydom F1857D400 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 F1857D400 is an F18 Series power module (SCR/diode power control building block), circuit type D, 55 A DC output current, for 120 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	400 (120 VAC line)
Repetitive peak reverse voltage (VRRM)	400 Vpk
Circuit type	D (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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