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Littelfuse 37402500430 250 mA TR5® 374 Fuse, 250 VAC, Short leads, 0430
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pLittelfuse 37402500430 — 250 mA, 250 V, fuse, 50 A @ 250 VAC interrupting./p
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Littelfuse 37402500430 250 mA TR5® 374 Fuse, 250 VAC, Short leads, 0430
Littelfuse 37402500430 250 mA TR5® 374 Fuse, 250 VAC, Short leads, 0430 belongs to the Littelfuse range. It carries 250 mA, rated 250 VAC.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Manufacturer / Series | Littelfuse / TR5® 374 |
| Part number | 37402500430 |
| Fuse characteristic | Slo-Blo® / Time-Lag (T) |
| Rated current | 250 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 | 0430: Bulk, 200 pcs; Short leads; lead length 4.3 mm |
| Product status | Verify current orderability with Littelfuse / authorized distribution |
Design 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 250 mA 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 37402500430 from Littelfuse, supplied in TR5® radial lead fuse; Short leads; Bulk. Confirm the exact suffix before release.
Common Questions
What are the ratings of the 37402500430?
250 mA continuous at 250 VAC, interrupting rating 50 A @ 250 VAC.
Can the 37402500430 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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