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MMSZ5250BS_R1_00001

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PANJIT International Zener Diodes, SOD-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MMSZ5250BS_R1_00001

PANJIT International · Zener Diodes · SOD-323

MMSZ5250BS_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 The cathode is the end marked by the color band on the SOD-323 package, per the datasheet's polarity note.
2 Anode passive The anode is the unbanded end of the SOD-323 package opposite the cathode band, and the datasheet gives no separate electrical limit for this pin.

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
Nominal Zener voltage VZ (Nom. 20 V; min 19.00 V, max 21.00 V) VZ 19 20 21 V @ IZT 25 mA 2
Max. Zener impedance ZZT ZZT 6.2 Ω @ IZT 25 mA 2
Max. Zener impedance ZZK ZZK 600 Ω @ IZK 0.25 mA 2
Max. reverse leakage current IR IR 0.1 uA @ VR 15.0 V 2
Power dissipation PD PD 200 mW @ TA=25°C (Note A) 1
Operating junction and storage temperature range TJ TJ -55 150 °C 1

CAD (KiCad official)

  • Symbol: MMSZ5250BS_R1_00001
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323 (KiCad packages3D, STEP)
  • 3D model files: mmsz5250bs-r1-00001-etched.step / mmsz5250bs-r1-00001-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmsz5250bs-r1-00001.step / mmsz5250bs-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 1e63c54ca6243b4a, 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