component

SMAJ4746A-TP

Public Made by Adom

by adom

MCC(Micro Commercial Components) Zener Diodes, SMA(DO-214AC). 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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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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SMAJ4746A-TP

MCC(Micro Commercial Components) · Zener Diodes · SMA(DO-214AC)

SMAJ4746A-TP from MCC(Micro Commercial Components), in a SMA(DO-214AC). 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 SMA(DO-214AC)
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 VZ -5 5 % Suffix A part; VZ tolerance ±5% 1
Maximum Forward Voltage VF 1.2 V IF=100mA 1
Maximum Dynamic Impedance ZZT 20 Ω @ IZT = 14 mA 2
Maximum Knee Impedance ZZK 750 Ω @ IZK = 0.25 mA 2
Maximum Reverse Current IR 5 µA VR = 13.7 V 2
Power Dissipation PD 1 W TA≤50°C 1
Operating Junction Temperature Range TJ -65 150 °C 1
Storage Temperature Range TSTG -65 150 °C 1
Thermal Resistance Junction to Ambient RθJA 100 °C/W Junction to ambient 1
Thermal Resistance Junction to Lead RθJL 75 °C/W Junction to lead 1
Zener Voltage (nominal) VZ 18 V @ IZT = 14 mA 2

CAD (KiCad official)

  • Symbol: SMAJ4746A-TP
  • Footprint: Diode_SMD:D_SMA
  • 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
  • 3D model files: smaj4746a-tp-etched.step / smaj4746a-tp-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smaj4746a-tp.step / smaj4746a-tp.glb are the bare package body.

Provenance

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

  • Datasheet: MCC(Micro Commercial Components) datasheet (4 pp, sha256 e9acf320d7774b6a, 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