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Littelfuse 37304000410 400 mA TR5® 373 Fuse, 250 VAC, Short leads, 0410
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pLittelfuse 37304000410 — 400 mA, 250 V, fuse, 50 A @ 250 VAC interrupting./p
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Littelfuse 37304000410 400 mA TR5® 373 Fuse, 250 VAC, Short leads, 0410
The 37304000410 from Littelfuse carries 400 mA, rated 250 VAC.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Manufacturer / Series | Littelfuse / TR5® 373 |
| Part number | 37304000410 |
| Fuse characteristic | Fast-Acting (F) |
| Rated current | 400 mA |
| Rated voltage | 250 VAC |
| Interrupting capability | 50 A @ 250 VAC |
| Package | TR5® radial lead fuse; Short leads; Bulk |
| Mounting method | Through Hole, Radial |
| Dimensions | Ø8.5 mm × 8.0 mm max; lead Ø0.6 mm |
| Lead pitch | 5.08 mm |
| Operating temperature | -40°C to +85°C |
| Approvals | cULus E67006; CSA 51378 |
| Standards / compliance | Designed to UL 248-14; cULus E67006; CSA 51378 up to 6.3A |
| Environmental | RoHS; lead-free; halogen-free |
| Packaging / order code | 0410: Bulk, 1,000 pcs; Short leads; lead length 4.3 mm |
| Product status | Verify current orderability with Littelfuse / authorized distribution |
Practical Notes
- Interrupting capability is 50 A @ 250 VAC — confirm the circuit's prospective fault current stays below this.
- Working voltage must stay at or below 250 VAC; a lower-rated part is not a safe substitute.
- Do not upsize beyond 400 mA to stop nuisance trips — fix the cause instead.
Application Scenarios
Common installation contexts include:
- EV
- industrial control
Buying Notes
Order code 37304000410 from Littelfuse, supplied in TR5® radial lead fuse; Short leads; Bulk. Confirm the exact suffix before release.
Questions and Answers
What are the ratings of the 37304000410?
400 mA continuous at 250 VAC, interrupting rating 50 A @ 250 VAC.
Can the 37304000410 be used on a higher fault-current circuit?
No — its interrupting rating is 50 A @ 250 VAC. Choose a part whose breaking capacity exceeds the prospective fault current.
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