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BZX85B180

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LGE Zener Diodes, DO-41. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BZX85B180

LGE · Zener Diodes · DO-41

BZX85B180 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 CATHODE passive Cathode lead, identified by the color band at one end of the DO-41 molded body, which the datasheet states denotes the cathode end.
2 A passive Anode lead, at the end of the body opposite the cathode color band; the axial leads are solderable per MIL-STD-202 method 208.

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 (dynamic, at IZT) ZZT 1200 Ω @ IZT = 1.5 mA 2
Maximum Zener Impedance (dynamic, at IZK) ZZK 7000 Ω @ IZK = 0.25 mA 2
Maximum Reverse Leakage Current IR 0.5 µA @ VR = 130 V 2
Maximum DC Zener Current IZM 5.2 mA 2
Nominal Zener Voltage VZ 180 V @ IZT = 1.5 mA 2
Zener voltage tolerance (standard type tolerance on nominal VZ) -2 2 % Standard tolerance on nominal zener voltage per Note 1 2
DC Power Dissipation PD 1.3 W TL = 50 °C (Note 1) 1
Maximum Forward Voltage VF 1.2 V IF = 200 mA 1
Maximum Thermal Resistance Junction to Ambient Air RӨJA 130 K / W Note 2: leads kept at ambient temperature at 10 mm from case 1
Junction Temperature Range TJ -65 200 °C 1
Storage Temperature Range TSTG -65 200 °C 1

CAD (KiCad official)

  • Symbol: BZX85B180
  • 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 afb1af3763f3d307, retrieved 2026-10-21, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (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