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ZMM5242BPF

ST Semtech · Zener Diodes · LL-34

ZMM5242BPF from ST Semtech, 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 end identified by the cathode mark band on the LL-34 glass case; the zener voltage of the ZMM5242BPF is 11.4 V min to 12.6 V max at IZT = 20 mA.
2 A passive Anode, the end opposite the cathode mark band; forward voltage is 1.1 V max at IF = 200 mA.

Key specifications

Parameter Value
Manufacturer ST Semtech
Package LL-34
Category Diodes
Pins 2

CAD (KiCad official)

  • Symbol: ZMM5242BPF
  • Footprint: Diode_SMD:D_MiniMELF
  • 3D model: LL-34 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: ST Semtech datasheet (6 pp, sha256 5df6bcb26720183b, retrieved 2026-10-13, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (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