B484B-2 Crydom - Power Transistor Module

B484B-2 Description

Crydom B484B-2 is a solid state relay. It is widely used for heater control, motor switching, lighting and process equipment where mechanical contacts would wear out.

USComponent has sourced power semiconductors for maintenance teams and OEMs since 2001. For price and availability of the B484B-2, send us a request for quote. Please confirm the specifications against the manufacturer's datasheet before purchase.

Summary of Features

Target Applications

Crydom B484B-2 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 B484B-2 is a B48-2 Series diode power module, circuit 4 (three phase half-wave, 3 diodes), 400 V (120 VAC line), case with isolation barriers. Source: Crydom B48-2T, B48-2 Series datasheet (Rev 121411). Values at 25°C unless noted.

Parameter	Value
Maximum DC output current (Tc = 85°C)	50 A
Repetitive peak reverse voltage (VRRM)	400 Vpk (120 VAC line)
Circuit	4: three phase half-wave, 3 diodes
Maximum voltage drop (VF)	1.35 V @ 50 A
Maximum non-repetitive surge current (1/2 cycle, 60 Hz)	600 A
Maximum I²t for fusing (8.3 ms)	1500 A²s
Maximum thermal resistance, junction to ceramic base per chip	0.9 °C/W
Operating junction temperature	-40 to 125°C
Isolation voltage	2500 Vrms
Weight (typical)	1.5 oz (42.5 g)

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