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1N4746A

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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1N4746A

LGE · Zener Diodes · DO-41

1N4746A 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 (A suffix, standard VZ tolerance) VZ -5 5 % Standard VZ tolerance is 5%; A suffix 1
Maximum zener impedance ZZT 20 Ω @ IZT = 14 mA 2
Maximum zener impedance at knee ZZK 750 Ω @ IZK = 0.25 mA 2
Maximum reverse leakage current IR 5 µA @ VR = 13.7 V 2
Max surge current (8.3 ms) IZS 250 mA 8.3 ms surge 2
Temperature coefficient 0.06 0.09 %/°C Printed range 0.06 to 0.09 %/°C for 1N4746A 2
Power dissipation Pd 1 W Maximum Ratings @ TA = 25°C 1
Power dissipation derating Pd 6.67 mW/°C Derate above 50°C; leads kept at TL with lead length 9.5 mm (3/8 in) from case 1
Thermal resistance, junction to ambient air RJA 175 °C/W Junction to ambient air 1
Operating and storage temperature range Tj,TSTG -65 200 °C Operating and storage temperature range 1
Forward voltage VF 1.2 V @ IF = 200 mA 1
Nominal zener voltage VZ 18 V @ IZT = 14 mA (test current) 2

CAD (KiCad official)

  • Symbol: 1N4746A
  • 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 cdb24074eada70f7, 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