component

SMBJ5346B-TP

Public Made by Adom

by adom

MCC(Micro Commercial Components) Zener Diodes, SMB(DO-214AA). 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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SMBJ5346B-TP

MCC(Micro Commercial Components) · Zener Diodes · SMB(DO-214AA)

SMBJ5346B-TP from MCC(Micro Commercial Components), in a SMB(DO-214AA). 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 SMB(DO-214AA)
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 % Devices listed have ± 5% tolerance on nominal VZ 3
Maximum dynamic impedance ZZT 2 OHMS @ IZT = 150 mA 2
Maximum reverse current IR 7.5 µA VR = 6.9 V 2
Maximum regulator current IZM 520 mA 2
Maximum dynamic knee impedance ZZK 150 OHMS @ 1.0 mA 2
Maximum surge current IZSM 9.2 A Nonrecurring sine wave, 8.3 ms 2
Maximum voltage regulation ΔVZ 0.22 VOLTS Difference between voltage at 10% and 50% IZM 2
Forward voltage VF 1.2 Volts IF = 1.0A 1
Steady state power dissipation P(AV) 5 Watts Lead temperature 75°C at mounting plane; derate linearly above 75°C to zero at 150°C 1
Operating and storage temperature TJ, TSTG -55 150 °C 1
Thermal resistance junction to lead RθJL 15 °C/W 1
Thermal resistance junction to ambient RθJA 90 °C/W 1
Maximum soldering temperature 260 °C 10 seconds 1
Regulator (Zener) voltage VZ 9.1 VOLTS IZT = 150 mA 2
Test current IZT 150 mA 2

CAD (KiCad official)

  • Symbol: SMBJ5346B-TP
  • Footprint: Diode_SMD:D_SMB
  • 3D model: SMB(DO-214AA) (KiCad packages3D, STEP)
  • 3D model files: smbj5346b-tp-etched.step / smbj5346b-tp-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smbj5346b-tp.step / smbj5346b-tp.glb are the bare package body.

Provenance

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

  • Datasheet: MCC(Micro Commercial Components) datasheet (5 pp, sha256 64cba779e9296de3, retrieved 2026-10-22, 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