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Littelfuse 04671.75NR | 1.75A 0603 very fast-acting ceramic chip fuse
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pLittelfuse 04671.75NR — 1.75 A, 32 V, fast-acting SMD fuse, 35 A @ 32 V AC/DC interrupting./p
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Littelfuse 04671.75NR | 1.75A 0603 very fast-acting ceramic chip fuse
Littelfuse 04671.75NR | 1.75A 0603 very fast-acting ceramic chip fuse belongs to the Littelfuse range. It carries 1.75 A, rated 32 V, uses a fast-acting element, in a ceramic body.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Manufacturer / Series | Littelfuse / 467 Series |
| Part number | 04671.75NR |
| Fuse characteristic | Fast-acting thin-film surface-mount fuse |
| Rated current | 1.75 A |
| Maximum voltage rating | 32 V |
| Interrupting capability | 35 A @ 32 V AC/DC |
| Package | 0603 (approx. 1.6 × 0.8 mm) |
| Body / construction | Advanced high-temperature substrate |
| Operating temperature | -55 °C to +90 °C |
| Environmental / approvals | Lead-free and RoHS compliant; NRHF identifies the halogen-free ordering option. |
| Product status | Active / verify current orderability |
Design Notes
- Interrupting capability is 35 A @ 32 V AC/DC — confirm the circuit's prospective fault current stays below this.
- Fast element suits resistive and semiconductor loads rather than motors with high inrush.
- Because it opens within milliseconds, downstream semiconductors see less let-through energy.
- Ceramic body holds higher breaking capacity than glass at the same footprint.
- It is the usual choice where prospective fault current is high.
- Working voltage must stay at or below 32 V; a lower-rated part is not a safe substitute.
- Do not upsize beyond 1.75 A to stop nuisance trips — fix the cause instead.
Where It Is Used
Typical places this fuse turns up:
- EV
Ordering Details
Order code 04671.75NR from Littelfuse, supplied in 0603 (approx. 1.6 × 0.8 mm). Confirm the exact suffix before release.
Common Questions
What are the ratings of the 04671.75NR?
1.75 A continuous at 32 V, interrupting rating 35 A @ 32 V AC/DC.
Is the 04671.75NR fast-acting or time-delay?
It is fast-acting. Expect it to open quickly on overload.
Can the 04671.75NR be used on a higher fault-current circuit?
No — its interrupting rating is 35 A @ 32 V AC/DC. Choose a part whose breaking capacity exceeds the prospective fault current.
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