The Littelfuse 251 Series part 02511.25MRT1L provides a 1.25A rating for very fast-acting secondary protection in space-constrained electronic equipment. PICO® II subminiature fuse, 125 V maximum; nominal melting I²t 0.39 A²s; operating temperature -55°C to +125°C. This listing retains the manufacturer-specific configuration: 1000 pcs, tape and reel, T1 lead length 52.4 mm, RoHS + halogen-free option. Confirm application conditions and current manufacturer documentation before final selection.
Technical Specifications
- Part Number
- 02511.25MRT1L
- Manufacturer Part Number
- 02511.25MRT1L
- Series
- 251 Series
- Fuse Type
- Subminiature Fuse
- Current Rating
- 1.25A
- Voltage Rating
- 125 V AC/DC
- AC / DC
- AC/DC
- Breaking Capacity
- 300 A DC / 50 A AC
- I²t
- 0.39 A²s
- Pre-arcing I²t
- 0.39
- Operating Temperature
- -55°C to +125°C
- Package / Dimensions
- Subminiature Axial
- Mounting
- PCB Axial Lead · PCB Through-Hole
- Application
- Audio/video · Displays · Lighting · Medical and office equipment · Power supplies
- Standard
- UL/CSA supplemental fuse standards by rating
- Terminal Type
- Tin-coated copper wire leads
- Fuse Speed
- Very Fast Acting
- Approvals
- Agency approvals vary by rating · CSA · UL
- Certifications
- UL Recognized; CSA; PSE and other approvals by rating