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Contents

README

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BLM15PX221BH1D

Murata Electronics · Ferrite Beads · 0402

BLM15PX221BH1D 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 One end electrode of the single-line ferrite bead (220 Ω ±25% at 100 MHz, 0.100 Ω max initial DC resistance, 1400 mA rated at 85°C); the part has no polarity.
2 2 passive Other end electrode of the single-line ferrite bead (220 Ω ±25% at 100 MHz, 0.100 Ω max initial DC resistance, 1400 mA rated at 85°C); the part has no polarity.

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) Z 220 Ω Measured at 100 MHz; printed as 220±25% 1
Impedance tolerance -25 25 % Printed 220±25% at 100 MHz 1
DC resistance, initial value 0.1 Ω Initial value, max; per chapter 3 ratings 1
DC resistance, value after testing 0.115 Ω Value after testing, max 1
Rated current, ambient temperature 85°C 1400 mA Ambient temperature 85°C; derated above this per diagram (not reproduced) 1
Rated current, ambient temperature 125°C 800 mA Ambient temperature 125°C 1
ESD withstand voltage (ESD rank 5A) 8000 12000 V ESD rank 5A; 8000 V (DC) to < 12,000 V (AD) 1
Operating temperature range -55 150 °C Operating temperature range 1
Storage temperature range -55 150 °C Storage temperature range 1
Impedance change, high temperature exposure -30 30 % 1000 h at 150°C; measured after 24 h at room condition 3
Impedance change, temperature cycling -50 50 % 1000 cycles, -55°C to +150°C 3
Impedance change, biased humidity -50 50 % 1000 h at 85°C, 85% RH; max rated voltage and rated current applied 3
Impedance change, operational life -50 50 % Apply 150°C 1000 h 3
Impedance change, mechanical shock -30 30 % Condition F: 1500 g's, 0.5 ms, half sine 3
Impedance change, vibration -30 30 % 5 g's for 20 min, 12 cycles each of 3 orientations, 10 Hz to 2000 Hz 3
Impedance change, resistance to soldering heat -30 30 % Solder temperature 260°C±5°C, immersion 10 s 3
Impedance change, ESD -30 30 % Per AEC-Q200-002; ESD rank 5A 3
Impedance change, board flex -30 30 % Epoxy-PCB 1.6 mm, deflection 2 mm (min.), 60 s minimum holding time 4
Reflow limit profile peak temperature 260 °C Limit profile, 10 s; 2 reflow cycles 7
Standard reflow peak temperature 245 °C Standard profile, printed 245°C±3°C 7
Standard reflow peak temperature tolerance -3 3 °C Standard profile, printed 245°C±3°C 7
Reflow preheating temperature 150 180 °C Standard and limit profile, 90 s ±30 s 7
Solder-to-product temperature difference during preheat and cooling 100 °C Pre-heating and cooling after soldering 7
Soldering iron tip temperature (rework) 350 °C Rework with soldering iron; soldering time 3 s 8
Cleaning temperature 60 °C Cleaning; IPA cleaning max 40°C 9
Recommended storage temperature -10 40 °C Storage of products before use; within 12 months after delivery 9
Recommended storage relative humidity 15 85 %RH Storage of products before use 9

CAD (KiCad official)

  • Symbol: BLM15PX221BH1D
  • Footprint: Inductor_SMD:L_0402_1005Metric
  • 3D model: 0402 (KiCad packages3D, STEP)
  • 3D model files: blm15px221bh1d-etched.step / blm15px221bh1d-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); blm15px221bh1d.step / blm15px221bh1d.glb are the bare package body.

Provenance

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

  • Datasheet: Murata Electronics datasheet (10 pp, sha256 f91d50575531bfba, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (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