component

1N4739A

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.

componentdiodes1n4739afactory-2.0.0extractor-text
Overview Files Discover Packages Releases Dependencies Issues Breadcrumbs Pull Requests Activity
main
Download ZIP Propose a change
Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 1d ago
viewers 1n4739a: viewers · Ray 1d ago
1n4739a-hero.glb Publish 0.1.0 · Ray 1d ago
1n4739a-hero.overlay.json Publish 0.1.0 · Ray 1d ago
1n4739a.glb Publish 0.1.0 · Ray 1d ago
1n4739a.kicad_mod Publish 0.1.0 · Ray 1d ago
1n4739a.kicad_sym Publish 0.1.0 · Ray 1d ago
1n4739a.lbr Publish 0.1.0 · Ray 1d ago
1n4739a.step Publish 0.1.0 · Ray 1d ago
package.json Publish 0.1.0 · Ray 1d ago
page.json Set visibility: public · Ray 1d ago
README.md Publish 0.1.0 · Ray 1d ago

1N4739A

LGE · Zener Diodes · DO-41

1N4739A 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 (min) Vz 8.92 9.1 9.28 V Iz=28.0 mA (Vz test current) 2
Zener voltage tolerance (A suffix) -5 5 % On nominal Vz value 3
Reverse current IR 10 uA VR=7.0 V 2
Dynamic resistance rd 5 Ω Iz=28.0 mA 2
Forward voltage VF 1.2 V IF=200 mA 3
Peak power dissipation PD 1 Watts TA=50°C (Note 1: mounted on 5.0 mm² land areas) 1
Power derating above 50°C PD 6.67 mW/°C Derate above TA=50°C 1
Peak forward surge current IFSM 10 Amps 8.3 ms single half sine-wave superimposed on rated load (JEDEC method) 1
Operating and storage temperature range TJ, TSTG -55 200 °C 1

CAD (KiCad official)

  • Symbol: 1N4739A
  • 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 (4 pp, sha256 c90b657b670da4f4, 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