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1N4744A_AY_10001

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PANJIT International Zener Diodes, DO-41. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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1N4744A_AY_10001

PANJIT International · Zener Diodes · DO-41

1N4744A_AY_10001 from PANJIT International, 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 end marked by the color band; the zener diode is operated reverse-biased with this terminal positive (1N4744A nominal VZ 15 V at IZT 17 mA).
2 A passive Anode, the axial lead opposite the color band; 1 W power dissipation at Tamb = 25 °C with leads at 10 mm kept at ambient temperature.

Key specifications

Parameter Value
Manufacturer PANJIT International
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 VZ 14.25 15 15.75 V @IZT = 17 mA 2
Maximum Zener Impedance ZZT 14 Ω @IZT = 17 mA 2
Maximum Zener Impedance (knee) ZZK 700 Ω @IZK = 0.25 mA 2
Maximum Leakage Current IR 0.1 uA @VR = 11.4 V 2
Power Dissipation PTOT 1 W Tamb = 25 °C; leads at 10mm from case kept at ambient temperature 1
Junction Temperature TJ -55 150 °C 1
Storage Temperature Range TSTG -55 150 °C 1
Test Current IZT 17 mA Zener test current 2

CAD (KiCad official)

  • Symbol: 1N4744A_AY_10001
  • 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: PANJIT International datasheet (6 pp, sha256 d334e0e5d234bf74, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (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