| Opening | Very Fast-Acting (FF) |
| Voltage DC | 125 VDC |
| Package Size | 6.10 x 2.69mm |
| Nominal Cold Resistance | 1.05 Ω |
| Nominal Melting I2T | 0.0158 A²sec |
| Interrupt Rating | 300A@32VDC |
| Interrupt Rating | 50A@125VAC |
| Interrupt Rating | 50A@125VDC |
| Marking Code | 250mA LF |
| Voltage AC | 125 VAC |
| Ampere Rating | 0.25 A |