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BZX84C30W-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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BZX84C30W-7-F

Diodes Incorporated · Zener Diodes · SOT-323

BZX84C30W-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 Anode, the bottom-left terminal in the device schematic, which connects to the Zener diode anode.
2 NC unconnected Bottom-right terminal in the device schematic, which is drawn with no internal connection.
3 K passive Cathode, the single top terminal in the device schematic; the BZX84C30W Zener voltage is 30V nominal (28V to 32V) at IZT = 2.0mA.

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 (BZX84C30W) VZ 28 30 32 V @ IZT = 2.0 mA 2
Maximum Zener Impedance ZZT 80 Ω @ IZT = 2.0 mA, f = 1 kHz (Note 6) 2
Maximum Zener Impedance ZZK 300 Ω @ IZK = 0.5 mA 2
Maximum Reverse Current IR 0.1 uA @ VR = 21.0 V (Note 5) 2
Temperature Coefficient of Zener Voltage 24.4 29.4 mV/°C @ IZT = 5 mA 2
Forward Voltage VF 0.9 V @ IF = 10 mA 1
Power Dissipation PD 200 mW Note 3: FR4 PC board with recommended pad layout 1
Thermal Resistance, Junction to Ambient Air RθJA 625 K/W Note 3: FR4 PC board with recommended pad layout 1
Operating and Storage Temperature Range TJ, TSTG -65 125 °C 1

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: Solderable per MIL-STD-202, Method 208 • Lead Free Plating (Matte Tin Finish annealed over Alloy 42 1

CAD (KiCad official)

  • Symbol: BZX84C30W-7-F
  • Footprint: Package_TO_SOT_SMD:SOT-323_SC-70
  • 3D model: SOT-323 (KiCad packages3D, STEP)
  • 3D model files: bzx84c30w-7-f-etched.step / bzx84c30w-7-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzx84c30w-7-f.step / bzx84c30w-7-f.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (4 pp, sha256 d9219bc3aedc6fa2, retrieved 2026-10-20, 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