component
BLM21BD222TH1D
Public Made by Adomby adom
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.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownBLM21BD222TH1D
Murata Electronics · Ferrite Beads · 0805
BLM21BD222TH1D 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 |
|---|---|---|---|---|---|---|---|
| DC resistance max (first printed max column; column header not resolvable in extracted text) | 0.6 | Ω | DC resistance measured with digital multimeter; except resistance of substrate and wire electrode (item 6-1-2) | 1 | |||
| DC resistance max (second printed max column; column header not resolvable in extracted text) | 0.7 | Ω | DC resistance measured with digital multimeter; except resistance of substrate and wire electrode (item 6-1-2) | 1 | |||
| Rated current | 200 | mA | 1 | ||||
| Impedance tolerance | Z | -25 | 25 | % | at 100MHz | 1 | |
| Impedance change after mechanical shock/vibration (Table B) | Z | -30 | 30 | % | Table B after mechanical shock (item 13) and vibration (item 14); impedance at 100MHz | 3 | |
| Impedance change after electrical characterization (item 19) | Z | -30 | 30 | % | Electrical characterization, measured impedance at 100MHz (item 19; ±50% applies only to BLM21SN) | 3 | |
| Operating temperature | -55 | 125 | °C | 2 | |||
| Storage temperature | -55 | 125 | °C | 2 | |||
| ESD rank (2 = 2 kV) | 2 | kV | ESD rank per AEC-Q200-002 (item 17) | 2 | |||
| Impedance (nominal) | Z | 2200 | Ω | at 100MHz | 1 |
CAD (KiCad official)
- Symbol:
BLM21BD222TH1D - Footprint:
Inductor_SMD:L_0805_2012Metric - 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files:
blm21bd222th1d-etched.step/blm21bd222th1d-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);blm21bd222th1d.step/blm21bd222th1d.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Murata Electronics datasheet (9 pp, sha256
d8157e60db966f09, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal convention(convention), consensusoff(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).