component
BLM21AG471SZ1D
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
markdownBLM21AG471SZ1D
Murata Electronics · Ferrite Beads · 0805
BLM21AG471SZ1D 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 (initial values) | 0.18 | Ω | Initial values, BLM21AG471SZ1D row | 2 | |||
| DC Resistance (after testing) | 0.28 | Ω | After testing, BLM21AG471SZ1D row | 2 | |||
| Rated Current | 700 | mA | Rated current for BLM21AG471SZ1D; no *2 derating marker on this row | 2 | |||
| Impedance at 100MHz (nominal) | Z | 470 | Ω | Measured at 100MHz±1MHz | 2 | ||
| Impedance tolerance | Z | -25 | 25 | % | Printed ±25% on 470 Ω at 100MHz | 2 | |
| Impedance change after AEC-Q200 tests | Z | -30 | 30 | % | At 100MHz after AEC-Q200 stress tests (Table A/B); ±50% applies only to BLM21SN | 3 | |
| Operating Temperature | -55 | 125 | °C | Operating temperature range | 2 | ||
| Storage Temperature | -55 | 125 | °C | Storage temperature range | 2 | ||
| Reflow soldering peak temperature (limit profile) | 260 | °C | Limit reflow profile: 260°C, 10 s, 2 cycles | 8 | |||
| Rework soldering iron tip temperature | 350 | °C | Soldering iron tip, 3 s, 2 times max | 9 |
CAD (KiCad official)
- Symbol:
BLM21AG471SZ1D - Footprint:
Inductor_SMD:L_0805_2012Metric - 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files:
blm21ag471sz1d-etched.step/blm21ag471sz1d-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);blm21ag471sz1d.step/blm21ag471sz1d.glbare 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, 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).