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Contents

README

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CM4532270KSB

ABC(千如) · Power Inductors · 1812

CM4532270KSB from ABC(千如), in a 1812. 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 ABC(千如)
Package 1812
Category Inductors, Coils, Chokes
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
Inductance tolerance L -10 10 % Tolerance code K (±10%) per MPN position 10 2
Inductance (nominal) L 27 µH 2
DC resistance RDC 3.6 Ω 2
Rated current (DC) IDC 170 mA 2
Inductance drop at saturation current 10 % Applied rated current for 5 seconds; inductance shall not drop more than 10% max 6
Temperature rise at rated current 20 ℃ Applied rated current for 10 minutes 6
Operating temperature -40 125 ℃ Operating temperature 1
Ambient temperature (rated current) 100 ℃ Ambient temperature at which rated current applies 1
Insulation resistance IR 1000 MΩ 100 V DC applied between inductor terminal and coating for 1 minute 6
Solder heat resistance peak temperature 260 ℃ 10 seconds 1
Terminal pull strength 1.5 kg Minimum terminal pull strength 1
Reflow peak temperature 250 ℃ Reflow profile peak temperature 1
Time above 217 ℃ 60 150 s Reflow profile, max time above 217 ℃ 1
Time above 245 ℃ 20 40 s Reflow profile, max time above 245 ℃ 1
Average ramp-up rate (200-250 ℃) 3 ℃/second Reflow profile, 200 ℃ to 250 ℃ average ramp-up rate 1
Storage temperature 5 30 ℃ Storage conditions; storage period less than 12 months 7
Storage humidity 10 60 %RH Storage conditions; storage period less than 12 months 7

CAD (KiCad official)

  • Symbol: CM4532270KSB
  • Footprint: Inductor_SMD:L_1812_4532Metric
  • 3D model: 1812 (KiCad packages3D, STEP)
  • 3D model files: cm4532270ksb-etched.step / cm4532270ksb-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cm4532270ksb.step / cm4532270ksb.glb are the bare package body.

Provenance

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

  • Datasheet: ABC(千如) datasheet (7 pp, sha256 c6acc6e6b144325a, 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