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BLM15KD121SN1D11

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Murata Electronics Ferrite Beads, 0402. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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Made with kicad-footprint-generator 10.0 · KiCad file format 20260206
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blm15kd121sn1d11-etched.step blm15kd121sn1d11: factory component page (tier=lcsc) · Ray 24d ago
blm15kd121sn1d11-hero.glb blm15kd121sn1d11: hero GLB from the etched model (keeps the MPN mark) · Ray 24d ago
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blm15kd121sn1d11.kicad_sym blm15kd121sn1d11: KiCad Device:FerriteBead symbol instead of a box (two-terminal passive) · Ray 12d ago
blm15kd121sn1d11.lbr blm15kd121sn1d11: KiCad Device:FerriteBead symbol instead of a box (two-terminal passive) · Ray 12d ago
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BLM15KD121SN1D11

Murata Electronics · Ferrite Beads · 0402

BLM15KD121SN1D11 from Murata Electronics, in a 0402. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1 passive Terminal 1 of an unpolarised inductor or ferrite bead; either orientation.
2 2 passive Terminal 2 of an unpolarised inductor or ferrite bead; either orientation.

Key specifications

Parameter Value
Manufacturer Murata Electronics
Package 0402
Category Filters
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Impedance tolerance at 100MHz -25 25 % Impedance 120±25% at 100MHz 3
DC resistance (initial values) 0.07 Ω Initial values, max. 3
DC resistance (after testing) 0.085 Ω After testing, max. 3
Rated current at 85°C 1500 mA at 85°C; derated per note *1 above 85°C 3
Rated current at 125°C 930 mA at 125°C 3
Impedance change at 100MHz -30 30 % After mechanical and environmental tests (BLM15PD excepted) 4
Operating temperature -55 125 °C 3
Storage temperature -55 125 °C 3
Impedance (nominal) 120 Ω at 100MHz, standard testing condition 3

CAD (KiCad official)

  • Symbol: BLM15KD121SN1D11
  • Footprint: Inductor_SMD:L_0402_1005Metric
  • 3D model: 0402 (KiCad packages3D, STEP)
  • 3D model files: blm15kd121sn1d11-etched.step / blm15kd121sn1d11-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); blm15kd121sn1d11.step / blm15kd121sn1d11.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Murata Electronics datasheet (11 pp, sha256 f97878af8b79f2dc, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal convention (convention), consensus off (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF