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MMSZ5235B-7-F

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Diodes Incorporated Zener Diodes, SOD-123. 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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MMSZ5235B-7-F

Diodes Incorporated · Zener Diodes · SOD-123

MMSZ5235B-7-F from Diodes Incorporated, in a SOD-123. 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 Diodes Incorporated
Package SOD-123
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 6.8 V, VZ range) VZ 6.46 6.8 7.14 V Test current IZT = 20 mA 2
Maximum Zener impedance ZZT 5 Ω f = 1 kHz, IZT = 20 mA 2
Maximum Zener impedance ZZK 750 Ω f = 1 kHz, IZK = 0.25 mA 2
Maximum reverse leakage current IR 3 µA VR = 5.0 V 2
Power dissipation PD 500 mW TL = +75°C (Note 4) 2
Power dissipation PD 370 mW TA = +25°C (Note 5) 2
Operating and storage temperature range TJ, TSTG -65 150 °C 2
Forward voltage VF 0.9 V IF = 10 mA 2
Thermal resistance, junction to ambient air RθJA 338 °C/W Device mounted on FR-4 PCB with 1 inch copper pad layout (Note 5) 2
Thermal resistance, junction to lead RΘJL 132 °C/W Note 4 2

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin  Terminals: Matte Tin Finish Annealed over Alloy 42 Leadframe (Lead Free Plating). Solderable per MIL-STD-202, Method 208 1

CAD (KiCad official)

  • Symbol: MMSZ5235B-7-F
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: mmsz5235b-7-f-etched.step / mmsz5235b-7-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmsz5235b-7-f.step / mmsz5235b-7-f.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (5 pp, sha256 7c7ac7a58521db27, retrieved 2026-10-18, 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