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Littelfuse 0453001.NR | 1 A 125 VAC/VDC SMD Fuse
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pLittelfuse 0453001.NR — 1 A, 125 V, SMD fuse, 50 A @ 125 VAC/VDC; 300 A @ 32 VDC interrupting./p
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Littelfuse 0453001.NR | 1 A 125 VAC/VDC SMD Fuse
Littelfuse 0453001.NR | 1 A 125 VAC/VDC SMD Fuse belongs to the Littelfuse range. It carries 1 A, rated 125 VAC/VDC.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Manufacturer / Series | Littelfuse / 453 Series |
| Part number | 0453001.NR |
| Fuse characteristic | very fast-acting |
| Rated current | 1 A |
| Voltage rating | 125 VAC/VDC |
| Interrupting rating | 50 A @ 125 VAC/VDC; 300 A @ 32 VDC |
| Nominal cold resistance | 0.0780 Ω |
| Nominal melting I²t | 0.6029 A²s |
| Package | 2410 / 6125 NANO2 |
| Operating temperature | -55 °C to +125 °C |
| Agency / environmental | UL/CSA approvals by rating, IEC/EN 60127 compliant, RoHS compliant and halogen-free |
Design Notes
- Interrupting capability is 50 A @ 125 VAC/VDC; 300 A @ 32 VDC — confirm the circuit's prospective fault current stays below this.
- Working voltage must stay at or below 125 VAC/VDC; a lower-rated part is not a safe substitute.
- Do not upsize beyond 1 A to stop nuisance trips — fix the cause instead.
Where It Is Used
Typical places this fuse turns up:
- EV
- telecom
Ordering Details
Order code 0453001.NR from Littelfuse, supplied in 2410 / 6125 NANO2. Confirm the exact suffix before release.
Common Questions
What are the ratings of the 0453001.NR?
1 A continuous at 125 VAC/VDC, interrupting rating 50 A @ 125 VAC/VDC; 300 A @ 32 VDC.
Can the 0453001.NR be used on a higher fault-current circuit?
No — its interrupting rating is 50 A @ 125 VAC/VDC; 300 A @ 32 VDC. Choose a part whose breaking capacity exceeds the prospective fault current.
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