GRX Technology Co, Ltd
Littelfuse 0312.200 312 Series 200 mA 3AG Glass Tube Through-Hole Fuse
Littelfuse 0312.200 312 Series 200 mA 3AG Glass Tube Through-Hole Fuse

Littelfuse 0312.200 312 Series 200 mA 3AG Glass Tube Through-Hole Fuse

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pLittelfuse 0312.200 — 200 mA, 250 V, glass cartridge fuse, 10000A@125VAC interrupting./p
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    Littelfuse 0312.200 312 Series 200 mA 3AG Glass Tube Through-Hole Fuse

    Littelfuse 0312.200 312 Series 200 mA 3AG Glass Tube Through-Hole Fuse belongs to the Littelfuse range. It carries 200 mA, rated 250 VAC, in a glass body.

    Technical Data

    ParameterRating
    ParameterValue
    Manufacturer / SeriesLittelfuse / 312 Series
    Part number0312.200
    Fuse characteristicfast-acting
    Rated current200 mA
    Voltage rating250 VAC
    Interrupting rating10000A@125VAC
    Nominal cold resistance3.02 Ω
    Nominal melting I²t0.0165 A²·s
    Package / mounting3AG glass tube (6.3 × 32 mm)
    Operating temperature4 °C
    Agency / environmentalUL 248-14 / IEC 60127-2 compliant, RoHS compliant and lead-free

    Design Notes

    • Interrupting capability is 10000A@125VAC — confirm the circuit's prospective fault current stays below this.
    • Glass body lets you inspect the element after a fault.
    • Best kept for lower fault-current circuits where visual diagnosis matters.
    • Working voltage must stay at or below 250 VAC; a lower-rated part is not a safe substitute.
    • Do not upsize beyond 200 mA to stop nuisance trips — fix the cause instead.

    Where It Is Used

    Typical places this fuse turns up:

    • UPS
    • EV
    • adapter
    • industrial control
    • PLC
    • appliance

    Ordering Details

    Order code 0312.200 from Littelfuse, supplied in 3AG glass tube (6.3 × 32 mm). Confirm the exact suffix before release.

    Common Questions

    What are the ratings of the 0312.200?

    200 mA continuous at 250 VAC, interrupting rating 10000A@125VAC.

    Can the 0312.200 be used on a higher fault-current circuit?

    No — its interrupting rating is 10000A@125VAC. Choose a part whose breaking capacity exceeds the prospective fault current.

    Shenzhen Gaorunxin Technology Co., Ltd

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    Shenzhen Gaorunxin Technology Co., Ltd

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