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BLM21BD222TZ1D

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Murata Electronics Ferrite Beads, 0805. 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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blm21bd222tz1d-etched.step blm21bd222tz1d: factory component page (tier=lcsc) · Ray 24d ago
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blm21bd222tz1d.lbr blm21bd222tz1d: KiCad Device:FerriteBead symbol instead of a box (two-terminal passive) · Ray 13d ago
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BLM21BD222TZ1D

Murata Electronics · Ferrite Beads · 0805

BLM21BD222TZ1D from Murata Electronics, in a 0805. 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 0805
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 % At 100MHz; printed as ±25% for BLM21BD222TZ1D in the rating table 2
Impedance change after AEC-Q200 stress tests (at 100MHz) -30 30 % At 100MHz, after AEC-Q200 tests (Table A/B); printed as within ±30% (±50% applies only to BLM21SN, not this part) 3
DC resistance (max, first value column) 0.6 Ω Standard testing conditions (*1) 2
DC resistance (max, second value column) 0.7 Ω Second DC resistance value column as printed; column header unclear in text extraction 2
Rated current 200 mA Row is not marked *2, so no temperature derating footnote is printed for this part 2
Operating temperature -55 125 °C Operating temperature range as printed for the chip ferrite bead series 2
Storage temperature -55 125 °C Storage temperature as printed in the bullet list; this is not classified as an absolute maximum in the datasheet 2
Impedance (nominal, at 100MHz) 2200 Ω At 100MHz, standard testing conditions (*1); tolerance ±25% listed separately 2

CAD (KiCad official)

  • Symbol: BLM21BD222TZ1D
  • Footprint: Inductor_SMD:L_0805_2012Metric
  • 3D model: 0805 (KiCad packages3D, STEP)
  • 3D model files: blm21bd222tz1d-etched.step / blm21bd222tz1d-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); blm21bd222tz1d.step / blm21bd222tz1d.glb are the bare package body.

Provenance

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

  • Datasheet: Murata Electronics datasheet (10 pp, sha256 a503de16f4e7f576, 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