B511F-2 Crydom - Power Transistor Module

B511F-2 Description

Crydom B511F-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 B511F-2, send us a request for quote. Please confirm the specifications against the manufacturer's datasheet before purchase.

Summary of Features

Target Applications

Crydom B511F-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 B511F-2 is a B-2 Series power module (B5, 25 A), circuit type 1, 120 VAC line, case with isolation barriers, with free wheeling diode, 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)

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