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MMBZ5232BW-7-F

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

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MMBZ5232BW-7-F

Diodes Incorporated · Zener Diodes · SOT-323

MMBZ5232BW-7-F from Diodes Incorporated, in a SOT-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 A passive Zener anode, the bottom-left terminal in the device schematic.
2 NC unconnected No internal connection; the bottom-right terminal in the device schematic is drawn without a connection to the diode.
3 K passive Zener cathode, the single top terminal in the device schematic; the 5.6V Zener (MMBZ5232BW, marking KE2) has a Zener voltage of 5.32V to 5.88V at 20mA.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-323
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 (nominal 5.6 V) VZ 5.32 5.6 5.88 V @ IZT = 20mA 2
Maximum Zener impedance ZZT 11 Ω @ IZT = 20mA, f = 1kHz (Note 8) 2
Maximum Zener impedance (knee) ZZK 1600 Ω @ IZK = 0.25mA 2
Maximum reverse leakage current IR 5 µA @ VR = 3.0 V 2
Forward voltage VF 0.9 V @ IF = 10mA 2
Power dissipation PD 200 mW Note 6: FR4 PC board with recommended pad layout 2
Thermal resistance, junction to ambient air RθJA 625 °C/W Note 6: FR4 PC board with recommended pad layout 2
Operating and storage temperature range TJ, TSTG -65 150 °C 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: MMBZ5232BW-7-F
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: mmbz5232bw-7-f-etched.step / mmbz5232bw-7-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmbz5232bw-7-f.step / mmbz5232bw-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 e002c9bed5a34a64, retrieved 2026-10-17, 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