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Contents

README

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1N4751A

LGE · Zener Diodes · DO-41

1N4751A 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) VZ -5 5 % A suffix; standard VZ tolerance 1
Maximum Zener impedance ZZT 40 Ω @ IZT 8.5 mA, 60 Hz ac at 10% of IZT 2
Maximum Zener impedance at knee ZZK 1000 Ω @ IZK 0.25 mA 2
Maximum reverse leakage current IR 5 µA @ VR 22.8 V 2
Maximum surge current IZS 150 mA 8.3 ms 2
Temperature coefficient 0.06 0.095 %/°C 2
Maximum power dissipation Pd 1 W Leads at TL @ 50°C, lead length 9.5 mm 1
Power derating above 50°C 6.67 mW/°C Above 50°C 1
Thermal resistance, junction to ambient air RJA 175 °C/W 1
Operating and storage temperature range Tj,TSTG -65 200 °C 1
Forward voltage VF 1.2 V @ IF 200 mA 1
Nominal Zener voltage VZ 30 V Nominal 2
Test current IZT 8.5 mA 2

CAD (KiCad official)

  • Symbol: 1N4751A
  • 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 ae017783caff0044, 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