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Littelfuse 0485001.DR | 1 A 600 VDC / 250 VAC SMD Fuse
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pLittelfuse 0485001.DR — 1 A, 600 V, SMD fuse, 100 A @ 600 VDC; 100 A @ 250 VAC interrupting./p
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Littelfuse 0485001.DR | 1 A 600 VDC / 250 VAC SMD Fuse
The 0485001.DR from Littelfuse carries 1 A, rated 600 VDC / 250 VAC.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Manufacturer / Series | Littelfuse / 485 Series |
| Part number | 0485001.DR |
| Fuse characteristic | fast-acting |
| Rated current | 1 A |
| Voltage rating | 600 VDC / 250 VAC |
| Interrupting rating | 100 A @ 600 VDC; 100 A @ 250 VAC |
| Nominal cold resistance | 0.264 Ω |
| Nominal melting I²t | 0.3044 A²s |
| Package | 12.1 × 4.5 mm NANO2 high-voltage SMD |
| Operating temperature | -55 °C to +125 °C |
| Agency / environmental | UL Recognized, CSA Certified, RoHS compliant and halogen-free |
Practical Notes
- Interrupting capability is 100 A @ 600 VDC; 100 A @ 250 VAC — confirm the circuit's prospective fault current stays below this.
- Working voltage must stay at or below 600 VDC / 250 VAC; a lower-rated part is not a safe substitute.
- Do not upsize beyond 1 A to stop nuisance trips — fix the cause instead.
Application Scenarios
Common installation contexts include:
- UPS
- EV
- telecom
- lighting
Buying Notes
Order code 0485001.DR from Littelfuse, supplied in 12.1 × 4.5 mm NANO2 high-voltage SMD. Confirm the exact suffix before release.
Questions and Answers
What are the ratings of the 0485001.DR?
1 A continuous at 600 VDC / 250 VAC, interrupting rating 100 A @ 600 VDC; 100 A @ 250 VAC.
Can the 0485001.DR be used on a higher fault-current circuit?
No — its interrupting rating is 100 A @ 600 VDC; 100 A @ 250 VAC. Choose a part whose breaking capacity exceeds the prospective fault current.
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