component

ZMM3B6

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by adom

MSKSEMI Zener Diodes, LL-34. 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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ZMM3B6

MSKSEMI · Zener Diodes · LL-34

ZMM3B6 from MSKSEMI, in a LL-34. 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 MSKSEMI
Package LL-34
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 VZT 3.53 3.6 3.67 V at IZT = 5 mA 3
Dynamic resistance ZZT 85 Ω at IZT = 5 mA 3
Dynamic resistance ZZK 600 Ω at IZK = 1 mA 3
Reverse leakage current IR 2 µA Ta = 25 °C at VR = 1 V 3
Reverse leakage current IR 40 µA Ta = 125 °C at VR = 1 V 3
Temperature coefficient of Zener voltage TKvz -0.08 -0.05 %/K 3
Power dissipation Ptot 500 mW valid provided that electrodes are kept at ambient temperature 2
Junction temperature Tj 175 °C 2
Storage temperature range Tstg -55 175 °C 2
Thermal resistance junction to ambient air RθJA 0.3 K/mW valid provided that electrodes are kept at ambient temperature 2
Forward voltage VF 1 V at IF = 100 mA 2

CAD (KiCad official)

  • Symbol: ZMM3B6
  • Footprint: Diode_SMD:D_MiniMELF
  • 3D model: LL-34 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: MSKSEMI datasheet (4 pp, sha256 1bfe640430f80bfb, retrieved 2026-10-14, 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