component

BZX85B18V

Public Made by Adom

by adom

LGE Zener Diodes, DO-41. Diode: pin 1 is the cathode (the banded end) by the KiCad diode-footprint convention, KiCad symbol/footprint/3D.

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Made with kicad-footprint-generator 10.0 · KiCad file format 20260206
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docs Publish 0.1.0 · Ray
viewers bzx85b18v: symbol repaired (D_Zener, cathode pad 1) · Ray
bzx85b18v-hero.glb Publish 0.1.0 · Ray
bzx85b18v-hero.overlay.json Publish 0.1.0 · Ray
bzx85b18v.glb Publish 0.1.0 · Ray
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bzx85b18v.kicad_sym bzx85b18v: symbol repaired (D_Zener, cathode pad 1) · Ray
bzx85b18v.lbr bzx85b18v: symbol repaired (D_Zener, cathode pad 1) · Ray
bzx85b18v.step Publish 0.1.0 · Ray
package.json Brief: a diode is polarised (pin 1 = cathode); the "Unpolarised two-terminal part" sentence was wrong · Ray
page.json brief: polarity sentence corrected · Ray
README.md Publish 0.1.0 · Ray

BZX85B18V

LGE · Zener Diodes · DO-41

BZX85B18V from LGE, in a DO-41. 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 K passive Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint.
2 A passive Anode.

Key specifications

Parameter Value
Manufacturer LGE
Package DO-41
Category Diodes
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
Maximum Zener Impedance (at IZT) ZZT 20 Ω @ IZT 15 mA 2
Maximum Zener Impedance (at IZK) ZZK 500 Ω @ IZK 0.5 mA 2
Maximum Reverse Leakage Current IR 0.5 µA @ VR 13 V 2
Maximum DC Zener Current IZM 62 mA 2
Maximum Forward Voltage VF 1.2 V @ IF = 200 mA 1
DC Power Dissipation PD 1.3 W at TL = 50 °C (Note 1) 1
Maximum Thermal Resistance Junction to Ambient Air RӨJA 130 K / W Leads kept at ambient at 10 mm from case (Note 2) 1
Zener voltage tolerance -2 2 % Standard tolerance on nominal zener voltage (Note 1) 2
Junction Temperature Range TJ -65 200 °C 1
Storage Temperature Range TSTG -65 200 °C 1
Nominal Zener Voltage VZ 18 V @ IZT 15 mA 2

CAD (KiCad official)

  • Symbol: BZX85B18V
  • Footprint: Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal
  • 3D model: DO-41 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: LGE datasheet (2 pp, sha256 fe1727ab0590c935, retrieved 2026-10-16, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary cathode-band 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