main
Ray Publish 0.1.0 1ac81ad 9d ago

MMSZ5245BQ-7-F

Diodes Incorporated · Zener Diodes · SOD-123

MMSZ5245BQ-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 15 V, ±5%) VZ 14.25 15 15.75 V IZT = 8.5 mA; short duration pulse test (Note 6) 2
Maximum Zener Impedance ZZT 16 Ω IZT = 8.5 mA, f = 1 kHz 2
Maximum Zener Impedance (knee) ZZK 600 Ω IZK = 0.25 mA, f = 1 kHz 2
Maximum Reverse Leakage Current IR 0.1 µA VR = 11 V 2
Power Dissipation PD 500 mW @ TL = +75°C (Note 4) 2
Power Dissipation PD 370 mW @ TA = +25°C (Note 5) 2
Thermal Resistance, Junction to Ambient Air RθJA 338 °C/W Note 5 (device on FR-4 PCB, 1 inch copper pad) 2
Thermal Resistance, Junction to Lead RθJL 132 °C/W Note 4 2
Operating and Storage Temperature Range TJ, TSTG -65 150 °C 2
Forward Voltage VF 0.9 V IF = 10 mA 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: MMSZ5245BQ-7-F
  • Footprint: Diode_SMD:D_SOD-123F
  • 3D model: SOD-123 (KiCad packages3D, STEP)
  • 3D model files: mmsz5245bq-7-f-etched.step / mmsz5245bq-7-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmsz5245bq-7-f.step / mmsz5245bq-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