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Littelfuse 39212000440 TE5® 392 2 A 250 VAC Slo-Blo® / Time-Lag (T) Fuse – 0440 Bulk 1,400 pcs
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pLittelfuse 39212000440 — 2 A, 250 V, time-delay fuse, 35 A @ 250 VAC (IEC); 130 A @ 250 VAC (UL) interrupting./p
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Littelfuse 39212000440 TE5® 392 2 A 250 VAC Slo-Blo® / Time-Lag (T) Fuse – 0440 Bulk 1,400 pcs
The 39212000440 from Littelfuse carries 2 A, rated 250 VAC, uses a time-delay element.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Manufacturer / Series | Littelfuse / TE5® 392 |
| Part number | 39212000440 |
| Fuse characteristic | Slo-Blo® / Time-Lag (T) |
| Rated current | 2 A |
| Rated voltage | 250 VAC |
| Interrupting capability | 35 A @ 250 VAC (IEC); 130 A @ 250 VAC (UL) |
| Package | TE5® radial box fuse; Short leads; Bulk |
| Mounting method | Through Hole, Radial |
| Dimensions | 8.5 × 4.0 × 8.0 mm max; lead Ø0.6 mm |
| Lead pitch | 5.08 mm |
| Operating temperature | -40°C to +125°C |
| Approvals | VDE 126983; cRUus E67006; CE; CCC; KC; PSE |
| Standards / compliance | IEC/EN/J/K 60127-1 & 60127-3; UL/CSA/NMX 248-1 & 248-14; VDE; cRUus; CE; CCC/KC/PSE (rating-dependent) |
| Environmental | RoHS; lead-free; halogen-free; red-phosphorus-free |
| Nominal cold resistance | 0.0298 Ω |
| Nominal melting I²t | 29 A²s |
| Packaging / order code | 0440: Bulk, 1,400 pcs; Short leads; lead length 4.3 mm |
| Product status | Verify current orderability with Littelfuse / authorized distribution |
Practical Notes
- Interrupting capability is 35 A @ 250 VAC (IEC); 130 A @ 250 VAC (UL) — 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 2 A to stop nuisance trips — fix the cause instead.
Application Scenarios
Common installation contexts include:
- EV
Buying Notes
Order code 39212000440 from Littelfuse, supplied in TE5® radial box fuse; Short leads; Bulk. Confirm the exact suffix before release.
Questions and Answers
What are the ratings of the 39212000440?
2 A continuous at 250 VAC, interrupting rating 35 A @ 250 VAC (IEC); 130 A @ 250 VAC (UL).
Is the 39212000440 fast-acting or time-delay?
It is time-delay. It tolerates short inrush surges.
Can the 39212000440 be used on a higher fault-current circuit?
No — its interrupting rating is 35 A @ 250 VAC (IEC); 130 A @ 250 VAC (UL). Choose a part whose breaking capacity exceeds the prospective fault current.
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