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Littelfuse 046502.5DR | 2.5 A 250 VAC SMD Fuse
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pLittelfuse 046502.5DR — 2.5 A, 250 V, SMD fuse, 100 A @ 250 VAC interrupting./p
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Littelfuse 046502.5DR | 2.5 A 250 VAC SMD Fuse
Littelfuse 046502.5DR | 2.5 A 250 VAC SMD Fuse belongs to the Littelfuse range. It carries 2.5 A, rated 250 VAC.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Manufacturer / Series | Littelfuse / 465 Series |
| Part number | 046502.5DR |
| Fuse characteristic | time-lag |
| Rated current | 2.5 A |
| Voltage rating | 250 VAC |
| Interrupting rating | 100 A @ 250 VAC |
| Nominal cold resistance | 0.0260 Ω |
| Nominal melting I²t | 19.6 A²s |
| Package | 12.1 × 4.5 mm NANO2 UMF |
| Operating temperature | -55 °C to +125 °C |
| Agency / environmental | IEC 60127-4 UMF, UL/PSE approvals by rating, RoHS compliant and halogen-free |
Design Notes
- Interrupting capability is 100 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 2.5 A to stop nuisance trips — fix the cause instead.
Where It Is Used
Typical places this fuse turns up:
- EV
- lighting
Ordering Details
Order code 046502.5DR from Littelfuse, supplied in 12.1 × 4.5 mm NANO2 UMF. Confirm the exact suffix before release.
Common Questions
What are the ratings of the 046502.5DR?
2.5 A continuous at 250 VAC, interrupting rating 100 A @ 250 VAC.
Can the 046502.5DR be used on a higher fault-current circuit?
No — its interrupting rating is 100 A @ 250 VAC. Choose a part whose breaking capacity exceeds the prospective fault current.
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