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ZMM22V

JSMSEMI · Zener Diodes · LL-34

ZMM22V from JSMSEMI, 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 JSMSEMI
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
Power Dissipation Ptot 500 mW Valid provided that electrodes are kept at ambient temperature 1
Junction Temperature Tj 175 °C 1
Storage Temperature Range Tstg -55 175 °C 1
Forward Voltage VF 1 V at IF = 100 mA 1
Thermal Resistance Junction to Ambient Air RθJA 0.3 K/mW Valid provided that electrodes are kept at ambient temperature 1

CAD (KiCad official)

  • Symbol: ZMM22V
  • Footprint: Diode_SMD:D_MiniMELF
  • 3D model: LL-34 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: JSMSEMI datasheet (8 pp, sha256 ca35674aa316c21f, 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