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Littelfuse 046702.5NR 2.5A 0603 Very Fast Ceramic Chip Fuse
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pLittelfuse 046702.5NR — 2.5 A, 32 V, SMD fuse, 35 A @ 32 V AC/DC interrupting./p
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Littelfuse 046702.5NR 2.5A 0603 Very Fast Ceramic Chip Fuse
Littelfuse 046702.5NR 2.5A 0603 Very Fast Ceramic Chip Fuse belongs to the Littelfuse range. It carries 2.5 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 | 046702.5NR |
| Fuse characteristic | Fast-acting thin-film surface-mount fuse |
| Rated current | 2.5 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 2.5 A to stop nuisance trips — fix the cause instead.
Where It Is Used
Typical places this fuse turns up:
- battery
- EV
Ordering Details
Order code 046702.5NR 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 046702.5NR?
2.5 A continuous at 32 V, interrupting rating 35 A @ 32 V AC/DC.
Is the 046702.5NR fast-acting or time-delay?
It is fast-acting. Expect it to open quickly on overload.
Can the 046702.5NR 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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