component

03EC2256

Public Made by Adom

by adom

KNSCHA Aluminum Electrolytic Capacitors - Leaded, 插件,D18xL30mm. Polarised capacitor: the anode is not yet recorded on this page; see the maker's datasheet.

componentcapacitors03ec2256factory-2.0.0extractor-text

Not verified yet 03EC2256

no verified record on this page yet

Verification log 1 record

6 Nov 2026RayPublished by the parts factory: tier lcsc, 2 pinssuperseded
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: 03EC2256 · CP_Radial_D18.0mm_P7.50mm · 2 pins
  • ✓copper: 2 copper pads, none touching another net
  • ✓datasheet: unpolarised two-terminal part: pins 1 and 2 by library convention, no names to check
  • •distributor (warn): no ['digikey', 'mouser'] number
  • ✓family: CP_Radial_D18.0mm_P7.50mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-nr8a26rp/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): the datasheet dimensions give no height or body size to compare (datasheet p.4)
  • ✓pads: 2 pins = 2 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 2 pins agree
  • ✓symbol_text: no pin names collide
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ 03ec2256.kicad_sym✓ 03ec2256.kicad_mod✓ 03ec2256.step
Retired by Ray on 11 Nov 2026: Retired: this check called a polarised capacitor an unpolarised two-terminal part. Fixed in component-page-verify 0.5.13 (an unrecorded polarity now fails) and 0.5.14 (the datasheet row no longer says unpolarised).
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Made with kicad-footprint-generator 10.0 · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray
viewers 03ec2256: viewers · Ray
03ec2256-etched.glb Publish 0.1.0 · Ray
03ec2256-etched.step 03ec2256: factory component page (tier=lcsc) · Ray
03ec2256-hero.glb 03ec2256: hero GLB from the etched model (keeps the MPN mark) · Ray
03ec2256-hero.overlay.json Publish 0.1.0 · Ray
03ec2256.glb Publish 0.1.0 · Ray
03ec2256.kicad_mod Publish 0.1.0 · Ray
03ec2256.kicad_sym Publish 0.1.0 · Ray
03ec2256.lbr Publish 0.1.0 · Ray
03ec2256.step Publish 0.1.0 · Ray
package.json Publish 0.1.2 · Ray
page.json Publish 0.1.2 · Ray
README.md 03ec2256: polarised capacitor; the false "unpolarised, either orientation" pin text removed (anode not yet recorded) · Ray
verification.json Retire verification record #0 · Ray

03EC2256

KNSCHA · Aluminum Electrolytic Capacitors - Leaded · CP_Radial_D18.0mm_P7.50mm

03EC2256 from KNSCHA, in a CP_Radial_D18.0mm_P7.50mm. 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 a POLARISED capacitor (Capacitors / Aluminum Electrolytic Capacitors - Leaded). Which terminal is the anode (+) is not yet recorded on this page: read it from the maker's datasheet before placing.
2 2 passive Terminal 2 of a POLARISED capacitor (Capacitors / Aluminum Electrolytic Capacitors - Leaded). Which terminal is the anode (+) is not yet recorded on this page: read it from the maker's datasheet before placing.

Key specifications

Parameter Value
Manufacturer KNSCHA
Package CP_Radial_D18.0mm_P7.50mm
Category Capacitors
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
Capacitance tolerance C -20 20 % 120Hz, 0.5Vrms or less, DC bias +1.5~2.0V; printed +20%-20% 6
Operating temperature range Top -25 105 °C 160~450WV range applies to 200WV; page 2 product table prints -40～105 3
Surge voltage 250 V For 200 WV rated voltage 3
Dissipation factor (tan δ) max tanδ 12 % 25℃, 120Hz; D.F.(Tan%) Max at 200 WV 3
Leakage current IL 660 μA 2 min after rated voltage applied (LC 2min, product table) 2
Maximum permissible ripple current IR 2100 mA 105℃, 120Hz 2
Capacitance change after endurance ΔC -20 20 % 105±2℃, 2000 +24 h, rated voltage + ripple; relative to initial value 10
Dissipation factor after endurance tanδ 200 % 105±2℃, 2000 +24 h; ≤200% of initial specified value 10
Capacitance change after shelf life ΔC -20 20 % 105±2℃, 1000 +36 h, then 24-48 h at standard conditions; relative to initial value 10
Dissipation factor after shelf life tanδ 200 % 105±2℃, 1000 +36 h; ≤200% of initial specified value 10
Leakage current after shelf life IL 2 x specified value 105±2℃, 1000 h; rated voltage 1 min, measured at 25℃ 10
Capacitance change after surge test ΔC -15 15 % 1000 cycles, charge 30±5 s, discharge approx. 5 min 30 s; relative to initial value 6
Capacitance change, low/high temperature step 2 ΔC -20 20 % Step 2: 9-40(-25)℃ for 2 h, relative to step 1 8
Capacitance change, low/high temperature step 4 ΔC -20 20 % Step 4: 105℃ for 2 h, relative to step 1 8
Leakage current, low/high temperature step 4 IL 500 % Step 4: 105℃ for 2 h; less than 500% of specified value 8
Capacitance change after soldering heat ΔC -10 10 % 350±10℃, 3.5±0.5 s 11
Capacitance change after damp heat ΔC -10 10 % 40±2℃, 90-95%RH, 240±8 h 11
Capacitance change after vibration ΔC -5 5 % 10-55-10 Hz, 1.5 mm total amplitude, X/Y/Z 2 h each 11
Rated voltage WV 200 V DC rated working voltage 2
Nominal capacitance C 330 μF 120Hz 2
Useful life 2000 h 105℃, max ripple current, rated voltage applied 2

CAD (KiCad official)

  • Symbol: 03EC2256
  • Footprint: Capacitor_THT:CP_Radial_D18.0mm_P7.50mm
  • 3D model: CP_Radial_D18.0mm_P7.50mm (KiCad packages3D, STEP)
  • 3D model files: 03ec2256-etched.step / 03ec2256-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 03ec2256.step / 03ec2256.glb are the bare package body.

Provenance

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

  • Datasheet: KNSCHA datasheet (12 pp, sha256 5f8067b032b4a69f, retrieved 2026-11-06, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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