component

BZX85B120

Public Made by Adom

by adom

LGE Zener Diodes, DO-41. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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BZX85B120

LGE · Zener Diodes · DO-41

BZX85B120 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
Nominal zener voltage tolerance VZ -2 2 % Standard tolerance on nominal zener voltage (Note 1) 2
Maximum Zener Impedance ZZT 550 Ω @ IZT 2.0 mA 2
Maximum Zener Impedance ZZK 4500 Ω @ IZK 0.25 mA 2
Maximum Reverse Leakage Current IR 0.5 µA @ VR 91 V 2
Maximum DC Zener Current IZM 7.8 mA 2
Maximum Forward Voltage VF 1.2 V @ IF = 200 mA 1
DC Power Dissipation PD 1.3 W TL = 50 °C (Note 1) 1
Junction Temperature Range TJ -65 200 °C 1
Storage Temperature Range TSTG -65 200 °C 1
Maximum Thermal Resistance Junction to Ambient Air RӨJA 130 K / W Leads kept at ambient temperature at 10 mm from case (Note 2) 1
Nominal Zener Voltage VZ 120 V @ IZT 2.0 mA 2

CAD (KiCad official)

  • Symbol: BZX85B120
  • 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 a9c5541aed8e5a62, retrieved 2026-10-21, 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