LBC3225T3R3MR

Taiyo Yuden

Taiyo Yuden LB, C Type wirewound inductor, LBC3225T3R3MR, 3.3 µH ±20%, 820 mA, 95 mOhm DCR, 1210 (3225 Metric) unshielded, -40°C to 105°C.

Taiyo Yuden LBC3225T3R3MR
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[IN STOCK] In Stock: 300 pcs
$0.17/ pc

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MOQ 5 · Tape & Reel (TR) Cut Tape (CT) · RoHS · EIA-481 · DAP/DDP · T/T

Technical specifications

LBC3225T3R3MR specifications
Parameter / AttributeSpecification / Value
TypeWirewound
SeriesLB, C Type
MountingSurface Mount
Current rating820 mA
Frequency - self resonant160MHz
Inductance frequency - test100 kHz
Operating temperature-40°C ~ 105°C
Size (Dimension)0.126\" L x 0.098\" W (3.20mm x 2.50mm)
Height - seated0.106\" (2.70mm)
PackageTape & Reel (TR) Cut Tape (CT)
ShieldingUnshielded
Tolerance±20%
Inductance3.3 µH
Case1210 (3225 Metric)
DC resistance95mOhm

Technical details

NRND — plan the BOM migration now

The LBC3225T3R3MR: That means it is still available for existing production BOMs, but the manufacturer will not support new design-ins. Any new board layout should target a replacement inductor; for current builds, the part remains orderable through independent distribution while inventory lasts.

3.3 µH, 820 mA — the DC bias and loss budget

Rated 3.3 µH ±20% at 100 kHz test frequency. The 820 mA current rating is the DC current at which the inductance typically drops by 10% due to core saturation — the nominal is not the absolute-max. With a DCR of 95 mOhm, the I²R loss at 820 mA is about 64 mW; the 105°C temperature ceiling leaves headroom for self-heating in a 85°C ambient if the trace copper and via count around the pad are adequate.

160 MHz SRF — where the inductor stops being an inductor

Self-resonant frequency is 160 MHz. Above that point the parasitic capacitance between windings dominates and the impedance becomes capacitive. For a DC-DC converter switching at 2–4 MHz, the SRF is well clear of the fundamental and the first few harmonics; for RF bias-tee or filter applications, verify the operating band stays below 160 MHz with margin.

1210 footprint, unshielded — layout considerations

Being unshielded, the magnetic field extends beyond the component body — keep sensitive traces or other magnetics at least one part-width away to avoid coupling.

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