component

DDZX12C-7

Public Made by Adom

by adom

Diodes Incorporated Zener Diodes, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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DDZX12C-7

Diodes Incorporated · Zener Diodes · SOT-23

DDZX12C-7 from Diodes Incorporated, in a SOT-23. 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 A passive Anode of the zener diode (bottom-left pin in the top-view schematic); DDZX12C has VZ 11.74 to 12.35 V at IZT = 10 mA.
2 NC unconnected Not connected internally; the bottom-right pin is shown with no connection in the device schematic.
3 K passive Cathode of the zener diode (single top pin in the top-view schematic); power dissipation is 300 mW on FR-4 PCB.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-23
Category Diodes
Pins 3

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 (min) VZ 11.74 V IZT = 10 mA 2
Zener voltage (max) VZ 12.35 V IZT = 10 mA 2
Operating and storage temperature range TJ, TSTG -65 150 °C Operating and storage 2
Maximum Zener impedance ZZT 12 Ω IZT = 10 mA; f = 1 kHz (column header) 2
Maximum Zener impedance (knee) ZZK 110 Ω IZK = 0.5 mA; f = 1 kHz (column header) 2
Maximum reverse current IR 0.1 µA VR = 9.1 V 2
Forward voltage VF 0.9 V IF = 10 mA 2
Power dissipation PD 300 mW Device mounted on FR-4 PCB with recommended pad layout (Note 7) 2
Thermal resistance, junction to ambient air RθJA 417 °C/W Device mounted on FR-4 PCB with recommended pad layout (Note 7) 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: Finish - Matte Tin Annealed over Alloy 42 Leadframe. Solderable per MIL-STD-202, Method 208 1

CAD (KiCad official)

  • Symbol: DDZX12C-7
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: ddzx12c-7-etched.step / ddzx12c-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ddzx12c-7.step / ddzx12c-7.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (8 pp, sha256 f1abaaad1d27cb30, retrieved 2026-10-18, 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