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1N4738AP-AP

Public Made by Adom

by adom

MCC(Micro Commercial Components) 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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1N4738AP-AP

MCC(Micro Commercial Components) · Zener Diodes · DO-41

1N4738AP-AP from MCC(Micro Commercial Components), 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 MCC(Micro Commercial Components)
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, 5%) VZ -5 5 % JEDEC type with A suffix has 5% tolerance 2
Maximum Zener impedance ZZT 4.5 Ω @ IZT = 31.0 mA 2
Maximum Zener impedance (knee) ZZK 700 Ω @ IZK = 0.5 mA 2
Maximum reverse leakage current IR 10 µA VR = 6.0 V 2
Maximum Zener current IZM 110 mA 2
Maximum surge current IRM 550 mA 2
Power dissipation PD 1 W TA≤50°C 1
Maximum forward voltage VF 1.2 V IF=200mA 1
Operating junction temperature range TJ -65 150 °C 1
Storage temperature range TSTG -65 150 °C 1
Thermal resistance, junction to ambient 100 °C/W Junction to Ambient 1
Nominal Zener voltage VZ 8.2 V @ IZT = 31.0 mA 2
Zener test current IZT 31 mA 2
Knee test current IZK 0.5 mA 2

CAD (KiCad official)

  • Symbol: 1N4738AP-AP
  • 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: MCC(Micro Commercial Components) datasheet (4 pp, sha256 4c2301fd8174a36f, 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