612 series is slow low ability to fuse, suitable for ac voltage 250 v, in less than 200a protection circuit breaking capacity.
The 612 series fuse is mainly used in electronic equipment and protection circuits.
Time - current features: Storage conditions:+10℃—+60℃
Time-delay(T) On average relative humidity a year≤75%
Standard:UL-248-14 Dry, 30 days maximum 95%
Material Vibration Resistance: 24 cycle /15min(EN 60068-6)
Enclosure:glass tube Amplitude: 10 to 60 HZ in the amplitude of 0.75 mm
Acceleration: 60-2000 hz in 10 g acceleration
Solderability: 260℃,≤10s,(Wave) 350℃,≤3s, (manual)
Metal cap: nickel plated brass amplitude
Axial lead:nickel plating, copper wire of tin plating
Working temperature::-55℃—+125℃
Soldering Heat Resistance:260℃,10s