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BLM15AX221SZ1D

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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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blm15ax221sz1d-etched.glb Publish 0.1.0 · Ray 23d ago
blm15ax221sz1d-etched.step blm15ax221sz1d: factory component page (tier=lcsc) · Ray 23d ago
blm15ax221sz1d-hero.glb blm15ax221sz1d: hero GLB from the etched model (keeps the MPN mark) · Ray 23d ago
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blm15ax221sz1d.kicad_sym blm15ax221sz1d: KiCad Device:FerriteBead symbol instead of a box (two-terminal passive) · Ray 12d ago
blm15ax221sz1d.lbr blm15ax221sz1d: KiCad Device:FerriteBead symbol instead of a box (two-terminal passive) · Ray 12d ago
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BLM15AX221SZ1D

Murata Electronics · Ferrite Beads · 0402

BLM15AX221SZ1D 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 at 100 MHz (nominal, BLM15AX221SZ1D) 220 Ω at 100 MHz; measuring frequency 100 MHz±1 MHz 1
Impedance tolerance -25 25 % Printed as 220±25% 1
Impedance change after AEC-Q200 tests (Table A) -30 30 % Table A after testing; impedance at 100 MHz 4
Rated current (as printed in row) 220 600 mA Printed as '220 - 600' in the rated current column; 85°C and 125°C ambient sub-columns not separable in this text 1
DC resistance, initial values 0.18 Ω Initial values 1
DC resistance, values after testing 0.23 Ω Values after testing 1
ESD rank 2 kV ESD rank 2 (2 kV), per AEC-Q200-002 1
Operating temperature range -55 125 °C Operating temperature range 1
Storage temperature range -55 125 °C Storage temperature range 1
Standard reflow peak temperature tolerance -3 3 °C Standard profile peak temperature 245°C±3°C 8
Limit reflow peak temperature 260 °C Limit profile: 260°C/10 s; 2 reflow cycles 8

CAD (KiCad official)

  • Symbol: BLM15AX221SZ1D
  • Footprint: Inductor_SMD:L_0402_1005Metric
  • 3D model: 0402 (KiCad packages3D, STEP)
  • 3D model files: blm15ax221sz1d-etched.step / blm15ax221sz1d-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); blm15ax221sz1d.step / blm15ax221sz1d.glb are the bare package body.

Provenance

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

  • Datasheet: Murata Electronics datasheet (11 pp, sha256 2bf6dac775a7741c, retrieved 2026-10-18, 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