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1N751APF

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ST Semtech Zener Diodes, DO-35. 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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1N751APF

ST Semtech · Zener Diodes · DO-35

1N751APF from ST Semtech, in a DO-35. 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 ST Semtech
Package DO-35
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 range (VZT), 5% suffix A VZT 4.85 5.36 V Tested with pulses tp = 20 ms; IZT = 20 mA; Ta = 25℃ 2
Zener voltage tolerance (suffix A) -5 5 % Suffix A = ±5%; standard part without suffix is ±10% 1
Maximum Zener impedance ZZT 17 Ω at IZT = 20 mA 2
Maximum reverse leakage current at Ta = 25℃ IR 1 µA at VR = 1 V; Ta = 25℃ 2
Maximum reverse leakage current at Ta = 150℃ IR 20 µA at VR = 1 V; Ta = 150℃ 2
Maximum regulator current IZM 70 mA 2
Maximum forward voltage VF 1.2 V at IF = 200 mA 2
Power dissipation Ptot 500 mW Ta = 25℃ 1
Junction temperature Tj 175 ℃ 1
Storage temperature range TStg -65 175 ℃ 1
Thermal resistance junction to ambient RθJA 300 ℃/W Leads kept at ambient temperature at a distance of 8 mm from case 1
Nominal Zener voltage Vznom 5.1 V 2

CAD (KiCad official)

  • Symbol: 1N751APF
  • Footprint: Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal
  • 3D model: DO-35 (KiCad packages3D, STEP)

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: ST Semtech datasheet (3 pp, sha256 a314ca6afe609f50, retrieved 2026-10-15, 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