The Littelfuse 400 Series is a TE5® Time Lag Fuse with High Breaking Capacity. Operating temperature: -40°C to 125°C Higher nominal melting I2T Higher interrupt rating Broad current rating 500mA to 6.3A Lead-Free, Halogen-Free, Compliance with RoHS Shock safe casing
Manufacturer: Littelfuse Inc.
Win Source Part Number: 1128521-40011250440
Packaging: Bulk
Mounting Style: Through Hole
Fuse Type: Board Mount (Cartridge Style Excluded)
Voltage Rating - AC: 250V
Response Time: Slow Blow
Melting I2t: 14.44
Approvals: CQC, cURus, KC, PSE/JET, VDE
DC Cold Resistance: 0.0562 Ohms
Categories: Circuit Protection
Temperature Range - Operating: -40°C ~ 85°C
Manufacturer Homepage: www.littelfuse.com
Manufacturer Package: Radial, Box
Popularity: Medium
Fake Threat In the Open Market: 52 pct.
Supply and Demand Status: Limited
Manufacturer Pack Quantity: 1,400
MSL Level: 1 (Unlimited)
Parts Dimension: 0.335" L x 0.158" W x 0.315" H (8.50mm x 4.00mm x 8.00mm)
Current Rating (Amps): 1.25A
Breaking Capacity at Rated Voltage: 130A
Fuse Subminiature Slow Blow Acting 1.25A 250V Radial 8.5 X 4 X 8mm Thermoplastic Bulk CQC/KC/UL/VDE Product overview: 40011250440 from Littelfuse is a Circuit Protection Fuse for overcurrent protection, power input protection, equipment safety, automotive electronics, and industrial control panels. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 1.25A, 250V. Search-friendly keywords include fuse, circuit protection, overcurrent protection, equipment safety, 1.25A, 250V, Circuit Protection Fuse, Fuses. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 139-40011250440 can be used for catalog matching and distributor lookup.
1.25A 250V AC DC Fuse Board Mount (Cartridge Style Excluded) Through Hole Radial, Box
FUSE, PCB, 1.25A, 250V, TIME DELAY; Fuse Current:1.25A; Voltage Rating VAC:250V; Product Range:TE5 400 Series; Voltage Rating VDC:-; Blow Characteristic:Time Delay; Fuse Case Style:Radial Leaded; Breaking Capacity Current AC:130A RoHS Compliant: Yes
FUSE BRD MNT 1.25A 250VAC RADIAL
| Littelfuse, Inc. | Win Source Electronics | ERSAELECTRONICS PTE. LTD. | DigiKey | Newark, An Avnet Company | Shenzhen Shengyu Electronics Technology Limited | |
|---|---|---|---|---|---|---|
| Product Category | Fuses | Fuses | Fuses | Fuses | Fuses | Fuses |
| Product Number | 40011250440 | 1128521-40011250440 | 139-40011250440 | F10840-ND | 10R0011 | 40011250440 |
| Product Name | TE5 Time Lag Subminiature Fuse | Fuses - 40011250440 | 1.25A 250V Circuit Protection Fuse | Fuses | Fuse, Pcb, 1.25A, 250V, Time Delay; Fuse Current Littelfuse | Circuit Protection - Fuses |
| Fuse Type | Miniature; Subminiature | |||||
| Approvals / Standards | RoHS | RoHS | VDE | RoHS | ||
| Features | Time Lag | Time Lag | ||||
| Rated Voltage | 250 volts | 250 volts | 250 volts | 250 volts | 250 volts |