EATON ELECTRONICS / BUSSMANN part MCR-3 is a high-quality subminiature fuse designed for fast acting protection in electronic circuits. With a current rating of 3A and voltage rating of 125V, this axial fuse features a compact 3.1 x 7.54mm size, making it ideal for compact electronic applications. Constructed from durable thermoplastic material, this fuse ensures reliable performance and protection for your electronic components.