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Littelfuse 0464.500DR | 500 mA 250 VAC SMD Fuse
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pLittelfuse 0464.500DR — 500 mA, 250 V, SMD fuse, 100 A @ 250 VAC interrupting./p
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Littelfuse 0464.500DR | 500 mA 250 VAC SMD Fuse
The 0464.500DR from Littelfuse carries 500 mA, rated 250 VAC.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Manufacturer / Series | Littelfuse / 464 Series |
| Part number | 0464.500DR |
| Fuse characteristic | fast-acting |
| Rated current | 500 mA |
| Voltage rating | 250 VAC |
| Interrupting rating | 100 A @ 250 VAC |
| Nominal cold resistance | 0.2373 Ω |
| Nominal melting I²t | 0.22 A²s |
| Package | 12.1 × 4.5 mm NANO2 UMF |
| Operating temperature | -55 °C to +125 °C |
| Agency / environmental | IEC 60127-4 UMF, PSE/UL approvals by rating, RoHS compliant and halogen-free |
Practical 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 500 mA to stop nuisance trips — fix the cause instead.
Application Scenarios
Common installation contexts include:
- EV
- lighting
Buying Notes
Order code 0464.500DR from Littelfuse, supplied in 12.1 × 4.5 mm NANO2 UMF. Confirm the exact suffix before release.
Questions and Answers
What are the ratings of the 0464.500DR?
500 mA continuous at 250 VAC, interrupting rating 100 A @ 250 VAC.
Can the 0464.500DR 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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