J080945Ferraz Shawmut - Fuse

J080945 Description

The Mersen J080945 is a semiconductor fuse rated at 250 V and 50 A. Components of this type are commonly used in overcurrent protection of power semiconductors and power-electronic circuits.

USComponent supplies power semiconductors and industrial electronic components to engineers, OEMs and maintenance teams worldwide, including legacy and hard-to-find part numbers. Please confirm ratings, package and pin-out against the manufacturer's datasheet before ordering, and request a quote for current pricing and lead time on the J080945.

Summary of Features

Target Applications

Ferraz Shawmut J080945 is used for protection of power semiconductors (diodes, thyristors, IGBT modules) in rectifiers, AC drives, soft starters, UPS systems and other power electronic equipment with AC supply up to 250 V.

Key Specifications

Mersen (Ferraz Shawmut) J080945 is a Protistor BS88-4 semiconductor protection fuse, size 36x27, 50 A, 250 VAC, class gR, without trip indicator (designation URGG 36/50; catalog number BS36UG25V50). Source: Mersen Protistor BS88-4 semiconductor fuses 36x27 / 2x36x27, 250 VAC datasheet (SCAC206-207).

Parameter	Value
Catalog number	BS36UG25V50
Reference number	J080945
Designation	URGG 36/50
Standard	BS 88-4 / IEC 60269-4, VDE 636-23
Rated voltage	250 VAC
Rated current	50 A
Utilization class	gR
Size	36x27
Breaking capacity	100 kA at 250 V
Pre-arcing I²t (1 ms)	120 A²s
Total clearing I²t at 250 V	500 A²s
Watts loss at 0.8 IN / IN	4.75 W / 9.5 W
Trip indicator	without trip indicator
Minimum operating voltage for trip indicator	20 V
Weight (approx.)	170 g

Download J080945 Datasheet

J080945 PDF Datasheet