Littelfuse 37011250000 1.25A 250V TR5 Fast-Acting PCB Fuse
● Contact for AvailabilityOrder code 37011250000: 1.25A fast-acting Littelfuse 370 Series TR5 radial PCB fuse, supplied as the standard long-lead tape/ammopack configuration.
Rated Current1.25A
Rated Voltage250 V AC/DC
Breaking Capacity35 A @ 250 VAC; 35 A @ 125 VDC
PackageTR5 Radial
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Part Number37011250000BrandLittelfuseRequested Qty100
37011250000 is a Littelfuse 370 Series TR5 radial PCB fuse rated 1.25 A at 250 V AC/DC. It uses fast-acting characteristics and the standard long-lead tape/ammopack configuration. Published interrupting capability is 35 A @ 250 VAC; 35 A @ 125 VDC, while nominal melting I²t is 0.31 A²s. The ordering code preserves the specified package/lead format; verify coordination and derating against the current Littelfuse datasheet before design-in.
Technical Specifications
- Part Number
- 37011250000
- Manufacturer Part Number
- 37011250000
- Series
- 370 Series
- Fuse Type
- TR5 Radial PCB Fuse
- Current Rating
- 1.25A
- Voltage Rating
- 250 V AC/DC
- AC / DC
- AC/DC
- Breaking Capacity
- 35 A @ 250 VAC; 35 A @ 125 VDC
- I²t
- 0.31 A²s nominal melting I²t
- Pre-arcing I²t
- 0.31
- Operating Temperature
- -40°C to +85°C
- Package / Dimensions
- TR5 Radial
- Mounting
- PCB Through-Hole
- Application
- Power Electronics
- Standard
- IEC 60127-3 · UL 248-14
- Terminal Type
- Tin-plated copper long radial leads
- Fuse Speed
- Fast Acting (F)
- Approvals
- CE · RoHS · UL Recognized
- Certifications
- UL Recognized; CE; RoHS; additional agency approvals vary by rating
- Package/configuration
- Tape/Ammopack. Nominal melting I²t: 0.31 A²s. Radial subminiature body; 5.08 mm lead pitch. Verify exact lead dimensions in the official datasheet.
