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Littelfuse 46213150000 3.15 A 462 time-lag SMD Fuse
Littelfuse 46213150000 3.15 A 462 time-lag SMD Fuse

Littelfuse 46213150000 3.15 A 462 time-lag SMD Fuse

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pLittelfuse 46213150000 — 3.15 A, 250 V, time-delay SMD fuse, 100 A @ 350 VAC/VDC; 150 A @ 250 VAC/VDC interrupting./p
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    Littelfuse 46212000000 | 2 A 250 VAC/VDC IEC; 350 VAC/VDC UL SMD Fuse
    Littelfuse250V FuseFuse3.15A FuseSurface Mount Fuse
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    Littelfuse 46213150000 3.15 A 462 time-lag SMD Fuse

    The 46213150000 from Littelfuse carries 3.15 A, rated 250 VAC/VDC IEC; 350 VAC/VDC UL, uses a time-delay element.

    Technical Data

    ParameterRating
    ParameterValue
    Manufacturer / SeriesLittelfuse / 462 Series
    Part number46213150000
    Fuse characteristictime-lag
    Rated current3.15 A
    Voltage rating250 VAC/VDC IEC; 350 VAC/VDC UL
    Interrupting rating100 A @ 350 VAC/VDC; 150 A @ 250 VAC/VDC
    Nominal cold resistance0.0204 Ω
    Nominal melting I²t14.0 A²s
    Package10.5 × 4.5 mm NANO2 UMF
    Operating temperature-40 °C to +85 °C
    Agency / environmentalUL Recognized, IEC 60127-4 UMF approvals, RoHS compliant, halogen-free and lead-free

    Practical Notes

    • Interrupting capability is 100 A @ 350 VAC/VDC; 150 A @ 250 VAC/VDC — confirm the circuit's prospective fault current stays below this.
    • Time-delay element rides through motor starting and capacitive inrush without nuisance opening.
    • Startup surges of several times rated current are tolerated for a short window.
    • Working voltage must stay at or below 250 VAC/VDC IEC; 350 VAC/VDC UL; a lower-rated part is not a safe substitute.
    • Do not upsize beyond 3.15 A to stop nuisance trips — fix the cause instead.

    Application Scenarios

    Common installation contexts include:

    • EV
    • adapter
    • lighting

    Buying Notes

    Order code 46213150000 from Littelfuse, supplied in 10.5 × 4.5 mm NANO2 UMF. Confirm the exact suffix before release.

    Questions and Answers

    What are the ratings of the 46213150000?

    3.15 A continuous at 250 VAC/VDC IEC; 350 VAC/VDC UL, interrupting rating 100 A @ 350 VAC/VDC; 150 A @ 250 VAC/VDC.

    Is the 46213150000 fast-acting or time-delay?

    It is time-delay. It tolerates short inrush surges.

    Can the 46213150000 be used on a higher fault-current circuit?

    No — its interrupting rating is 100 A @ 350 VAC/VDC; 150 A @ 250 VAC/VDC. Choose a part whose breaking capacity exceeds the prospective fault current.

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