B511FSE-2T Crydom - Power Transistor Module

B511FSE-2T Description

The B511FSE-2T from Crydom is a solid state relay. Solid state relays like this switch heaters, motors, lamps and other loads quietly and without contact wear.

We help engineers and repair technicians find parts like the B511FSE-2T, including obsolete ones. Send a quick RFQ for current pricing and delivery. Before ordering, please confirm ratings and pin-out with the official datasheet.

Summary of Features

Target Applications

Crydom B511FSE-2T 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 B511FSE-2T is a B-2T Series power module (B5, 25 A), circuit type 1, 120 VAC line, standard case, with free wheeling diode and external suppressor, for AC or DC variable voltage output. Source: Crydom B-2T, B-2 Series datasheet (Rev 121411). Values at 25°C unless noted.

Parameter	Value
Maximum DC output current (Tc = 85°C)	25 A
AC line input voltage	120 Vrms (400 VRRM)
Circuit type	1 (see datasheet schematic)
Maximum voltage drop (VF)	1.65 V @ 25 A
Maximum non-repetitive surge current (1/2 cycle, 60 Hz)	250 A
Maximum I²t for fusing (8.3 ms)	260 A²s
Critical rate of rise of on-state current (Tj = 125°C)	100 A/µs
Critical rate of rise of off-state voltage	500 V/µs
Gate trigger current / voltage (25°C)	60 mA / 2.5 V
Average gate power	0.5 W
Maximum peak reverse gate voltage	5.0 V
Maximum thermal resistance, junction to ceramic base per chip	0.9 °C/W
Operating junction temperature	-40 to 125°C
Isolation voltage	2500 Vrms
Weight (typical)	1.5 oz (42.5 g)

Technical document (PDF)  |  Request a quote for B511FSE-2T (reply within 24 hours)