BK1/GMA-15-R is a 5×20mm fast-acting glass tube fuse from the GMA Series, rated at 15A with a 125Vac voltage rating and 150A interrupting rating at 125Vac. The fuse features a typical DC cold resistance of 0.004O and a maximum voltage drop of 100mV at rated current, with a typical pre-arc voltage of 280V. It exhibits fast-acting characteristics with an opening time of 2 minutes maximum at 200% of rated current and 60 minutes maximum at 135% of rated current. The fuse is UL Recognized (Guide JDYX2, File E19180) and PSE Approved for 1A-15A ratings, making it suitable for industrial and consumer electronics requiring reliable overcurrent protection. The BK1 packaging code indicates 1000 fuses packed in a poly bag, and the fuse complies with RoHS 2002/95/EC standards.