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Littelfuse 80411000440 1 A TT Time-Lag TE UMF 804 – Bulk 0440
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pLittelfuse 80411000440 — integrated circuit, TE Universal Modular Fuse (UMF), radial; Short leads; Bulk, 250 V./p
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Littelfuse 80411000440 1 A TT Time-Lag TE UMF 804 – Bulk 0440
Littelfuse 80411000440 1 A TT Time-Lag TE UMF 804 – Bulk 0440 belongs to the Littelfuse range. It carries 1 A, rated 250 VAC, uses a time-delay element.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Manufacturer / Series | Littelfuse / TE UMF 804 |
| Part number | 80411000440 |
| Fuse characteristic | TT Time-Lag |
| Rated current | 1 A |
| Rated voltage | 250 VAC |
| Interrupting capability | 150 A @ 250 VAC |
| Package | TE Universal Modular Fuse (UMF), radial; Short leads; Bulk |
| Mounting method | Through Hole, Radial |
| Dimensions | TE5-class subminiature radial body; lead Ø0.6 mm |
| Lead pitch | 5.08 mm |
| Operating temperature | -40°C to +125°C |
| Approvals | UL E242325; VDE 40029388; CQC; KC; CE/UKCA; PSE |
| Standards / compliance | IEC 60127-1 & 60127-4; EN 60127-1 & 60127-7; GB 9364.1/.4; J/K 60127; UL E242325; VDE; CQC; PSE/KC |
| Environmental | RoHS; lead-free; halogen-free |
| Nominal cold resistance | 0.1166 Ω |
| Nominal melting I²t | 20 A²s |
| Packaging / order code | 0440: Bulk, 1,000 pcs; Short leads; lead length 4.3 mm |
| Product status | Verify current orderability with Littelfuse / authorized distribution |
Design Notes
- Interrupting capability is 150 A @ 250 VAC — confirm the circuit's prospective fault current stays below this.
- Time-delay element rides through motor starting and capacitive inrush without nuisance opening.
- Startup surges of several times rated current are tolerated for a short window.
- Working voltage must stay at or below 250 VAC; a lower-rated part is not a safe substitute.
- Do not upsize beyond 1 A to stop nuisance trips — fix the cause instead.
Where It Is Used
Typical places this fuse turns up:
- battery
- EV
- industrial control
- charger
Ordering Details
Order code 80411000440 from Littelfuse, supplied in TE Universal Modular Fuse (UMF), radial; Short leads; Bulk. Confirm the exact suffix before release.
Common Questions
What are the ratings of the 80411000440?
1 A continuous at 250 VAC, interrupting rating 150 A @ 250 VAC.
Is the 80411000440 fast-acting or time-delay?
It is time-delay. It tolerates short inrush surges.
Can the 80411000440 be used on a higher fault-current circuit?
No — its interrupting rating is 150 A @ 250 VAC. Choose a part whose breaking capacity exceeds the prospective fault current.
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