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MMSZ5258BS_R1_00001

PANJIT International · Zener Diodes · SOD-323

MMSZ5258BS_R1_00001 from PANJIT International, in a SOD-323. 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 Cathode passive Cathode end of the zener diode, identified by the color band on the package; the datasheet rates the device at 200 mW power dissipation at TA=25°C (Note A) with a junction and storage range of -55 to +150°C.
2 Anode passive Anode end of the zener diode, the terminal opposite the color-banded cathode end.

Key specifications

Parameter Value
Manufacturer PANJIT International
Package SOD-323
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 (nominal 36 V) VZ 34.2 36 37.8 V IZT = 3.4 mA 2
Max zener impedance at IZT ZZT 70 IZT = 3.4 mA 2
Max zener impedance at IZK (knee) ZZK 700 IZK = 0.25 mA 2
Max reverse leakage current IR 0.1 A VR = 27.0 V 2
Power dissipation PD 200 mW TA=25°C (Note A), mounted on 5 mm² land areas 1
Operating junction and storage temperature range TJ -55 150 °C 1

CAD (KiCad official)

  • Symbol: MMSZ5258BS_R1_00001
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: mmsz5258bs-r1-00001-etched.step / mmsz5258bs-r1-00001-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmsz5258bs-r1-00001.step / mmsz5258bs-r1-00001.glb are the bare package body.

Provenance

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

  • Datasheet: PANJIT International datasheet (6 pp, sha256 ada2667a4ef83908, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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