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1N4733

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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1N4733

LGE · Zener Diodes · DO-41

1N4733 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
Zener voltage tolerance -10 10 % Standard tolerance; suffix A (±5%) not applicable to 1N4733 1
Zener voltage (nominal) VZ 5.1 V @ IZT 2
Maximum dynamic impedance ZZT 7 Ω @ IZT 2
Maximum dynamic impedance (knee) ZZK 550 Ω @ IZK 2
Maximum regulator current IZM 178 mA @ Tamb=50°C 2
Test current (nominal) IZT 49 mA Vz test current 2
Forward voltage VF 1.2 V @ IF=200mA 1
Power dissipation PDiss 1 W @ Tamb 50°C 1
Junction temperature TJ 200 °C 1
Storage temperature range Ts -55 200 °C 1
Junction to ambient thermal resistance RThJA 100 K/W I=9.5mm(3/8"), TL=constant 1

CAD (KiCad official)

  • Symbol: 1N4733
  • 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 (3 pp, sha256 bfb394462583ad49, 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