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Eaton ICL301D20 30 Ohm 20 mm NTC Inrush Current Limiter
Eaton ICL301D20 30 Ohm 20 mm NTC Inrush Current Limiter

Eaton ICL301D20 30 Ohm 20 mm NTC Inrush Current Limiter

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pEaton ICL301D20 — NTC inrush current limiter, 30 Ω at 25 °C, 4 A steady./p
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    Eaton ICL301D20 30 Ohm 20 mm NTC Inrush Current Limiter

    Eaton ICL301D20 30 Ohm 20 mm NTC Inrush Current Limiter belongs to the Eaton range. It holds 30 ohm at 25 °C, passes up to 4 A steady, on a 20 mm disk.

    Technical Data

    ParameterRating
    ParameterValue
    Orderable part numberICL301D20BIM (5.0 mm pitch) / ICL301D20CIM (7.5 mm pitch)
    Zero-power resistance R2530 Ohm at +25 C
    ToleranceM = plus/minus 20 %
    Max steady current4 A
    Beta (25/50)3400 K
    Max capacitance at 240 Vac1,200 uF
    Dissipation factor30 mW/C
    Thermal time constant100 s
    BodyD20 disk, epoxy sealed radial
    Operating temperature-40 C to +200 C
    EnvironmentalHalogen free, Pb-free

    Design Notes

    • Limits capacitor and transformer inrush by dropping resistance as it heats.
    • It does not interrupt a fault — pair it with a fuse or breaker upstream.
    • Leave cooling time between power cycles so the disk returns to high resistance.
    • Resistance at 25 °C sets the cold-start limiting; the hot value is far lower.
    • A disk rated for a higher steady current runs cooler at the same load.
    • Beta value 3400 K describes how sharply resistance falls with temperature.
    • Continuous current must stay at or below 4 A or the disk self-heats.

    Where It Is Used

    Typical places this thermistor turns up:

    • EV
    • charging

    Shenzhen Gaorunxin Technology Co., Ltd

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    Shenzhen Gaorunxin Technology Co., Ltd

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