component

BZX55C51

Public Made by Adom

by adom

LGE Zener Diodes, DO-35. 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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BZX55C51

LGE · Zener Diodes · DO-35

BZX55C51 from LGE, in a DO-35. 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-35
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
Zener voltage (min) VZ 48 V IZT = 2.5 mA; TA = 25°C 2
Zener voltage (max) VZ 54 V IZT = 2.5 mA; TA = 25°C 2
Zener impedance (max) ZZT 125 Ohms IZT = 2.5 mA 2
Zener impedance at knee (max) ZZK 700 Ohms IZK = 0.5 mA 2
Reverse leakage current (max) IR 0.1 uA VR = 38 V 2
Power dissipation Pd 500 mW 1
Maximum forward voltage VF 1 V IF = 100mA 1
Storage temperature range TSTG -65 200 °C 1
Operating junction temperature TJ 200 °C 1

CAD (KiCad official)

  • Symbol: BZX55C51
  • Footprint: Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal
  • 3D model: DO-35 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: LGE datasheet (2 pp, sha256 73b78e0d5a45a2c3, retrieved 2026-10-14, 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