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Samsung CL21A X5R MLCC (0805)

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Samsung Electro-Mechanics x5r bulk multilayer ceramic capacitors, 0805 (2012 metric). Ordering table, KiCad, Fusion and Altium libraries and a 3D model.

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altium samsung-cl21a-x5r-0805: one symbol per page (all values in -values.kicad_sym), part numbers first, readable symbol labels (review feedback) · noah 1d ago
docs samsung-cl21a-x5r-0805: library, CAD, datasheets and docs (2/2) · noah 1d ago
viewers samsung-cl21a-x5r-0805: one symbol per page (all values in -values.kicad_sym), part numbers first, readable symbol labels (review feedback) · noah 1d ago
LICENSE samsung-cl21a-x5r-0805: library, CAD, datasheets and docs (2/2) · noah 1d ago
package.json samsung-cl21a-x5r-0805: one symbol per page (all values in -values.kicad_sym), part numbers first, readable symbol labels (review feedback) · noah 1d ago
page.json samsung-cl21a-x5r-0805: page.json after publish 0.1.1 · noah 1d ago
README.md samsung-cl21a-x5r-0805: one symbol per page (all values in -values.kicad_sym), part numbers first, readable symbol labels (review feedback) · noah 1d ago
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samsung-cl21a-x5r-0805-values.kicad_sym samsung-cl21a-x5r-0805: one symbol per page (all values in -values.kicad_sym), part numbers first, readable symbol labels (review feedback) · noah 1d ago
samsung-cl21a-x5r-0805.glb samsung-cl21a-x5r-0805: library, CAD, datasheets and docs (2/2) · noah 1d ago
samsung-cl21a-x5r-0805.kicad_mod samsung-cl21a-x5r-0805: library, CAD, datasheets and docs (2/2) · noah 1d ago
samsung-cl21a-x5r-0805.kicad_sym samsung-cl21a-x5r-0805: one symbol per page (all values in -values.kicad_sym), part numbers first, readable symbol labels (review feedback) · noah 1d ago
samsung-cl21a-x5r-0805.lbr samsung-cl21a-x5r-0805: library, CAD, datasheets and docs (2/2) · noah 1d ago
samsung-cl21a-x5r-0805.step samsung-cl21a-x5r-0805: library, CAD, datasheets and docs (2/2) · noah 1d ago
verification.json samsung-cl21a-x5r-0805: verified by Noah (2026-10-08 19:48 UTC) · noah 23h ago

Samsung CL21A X5R MLCC (0805)

Samsung Electro-Mechanics · Multilayer ceramic capacitor, X5R · 0805 (2012 metric)

Samsung CL21A multilayer ceramic capacitors in 0805 with X5R dielectric: the bulk decoupling values. As with every class II ceramic, the effective capacitance falls with DC bias, so derate by the bias curve in the datasheet.

Part numbers: every value's LCSC, Mouser and DigiKey number is in the table below ("not listed" means that distributor has no listing for it). The symbol, the 3D model and the sidebar show one of them, CL21A106KAYNNNE (10 µF), the value used most on the AM/FM board. samsung-cl21a-x5r-0805-values.kicad_sym has a symbol for every value with its part numbers as properties.

Part numbers

Every row uses the same footprint, symbol and 3D model (same case size and land pattern). Values and ratings are from the LCSC parametric listing (2026-10-08); the linked datasheet is the source of truth.

Part number Capacitance Tolerance Voltage Rating Dielectric / TC LCSC Mouser DigiKey Datasheet
CL21A106KAYNNNE 10uF ±10% 25V X5R C15850 187-CL21A106KAYNNNE 1276-2891-2-ND PDF
CL21A226MAQNNNE 22uF ±20% 25V X5R C45783 187-CL21A226MAQNNNE 1276-2908-2-ND PDF

Other values used on the AM/FM board already had their own pages: CL21A475KAQNNNE (4.7 µF).

Verification

A person checks each page against its datasheet and signs it off here; the badge turns amber if a checked file changes.

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CAD

File What it is
samsung-cl21a-x5r-0805.kicad_sym KiCad symbol for CL21A106KAYNNNE, the representative value, with MPN, manufacturer and distributor numbers as properties
samsung-cl21a-x5r-0805-values.kicad_sym KiCad symbols for all 2 values, one per part number, each with its own MPN, LCSC, Mouser and DigiKey properties
samsung-cl21a-x5r-0805.kicad_mod KiCad footprint: Capacitor_SMD:C_0805_2012Metric, KiCad official, CC-BY-SA 4.0
samsung-cl21a-x5r-0805.step / samsung-cl21a-x5r-0805.glb 3D model, Z-up, seated on z = 0: KiCad packages3D (tag 10.0.6), C_0805_2012Metric.step
samsung-cl21a-x5r-0805.lbr Fusion 360 / EAGLE library: one deviceset per part (2), each with its own MPN, manufacturer and LCSC / Mouser / DigiKey attributes
altium/Adom_samsung_cl21a_x5r_0805.SchLib / .PcbLib Altium library pair (adom-lbr, no Altium needed): 2 components, parameters carry the part numbers; altium/*.adom-lbr.json is the canonical hub each was built from

Provenance

  • Datasheet (CL21A106KAYNNNE): docs/datasheets/CL21A106KAYNNNE.pdf, sha256 96baebe4bd0ce363, retrieved 2026-10-08 from LCSC
  • Specs: each row names its source: the manufacturer datasheet (with page) or the LCSC parametric listing (retrieved 2026-10-08).
  • Distributor numbers: looked up 2026-10-08 with adom-parts-search (Mouser, DigiKey, JLCPCB), exact part number and manufacturer only.
  • CAD: footprint Capacitor_SMD:C_0805_2012Metric; 3D: KiCad packages3D (tag 10.0.6), C_0805_2012Metric.step.