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BZX84C9V1-7-F

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

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BZX84C9V1-7-F

Diodes Incorporated · Zener Diodes · SOT-23-3

BZX84C9V1-7-F from Diodes Incorporated, in a SOT-23-3. 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 lower-left terminal in the top-view device schematic; the 9.1V nominal Zener (8.5V to 9.6V at IZT = 5.0mA) conducts in reverse from pin 3 to pin 1.
2 NC unconnected Lower-right terminal in the top-view schematic, drawn with no internal connection to the diode.
3 K passive Zener cathode, the single top terminal in the device schematic; it goes positive relative to pin 1 in Zener breakdown, and the part is rated 350mW maximum power dissipation.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-23-3
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 VZ 8.5 9.1 9.6 V @ IZT = 5.0 mA, TA = +25°C 2
Maximum Zener Impedance ZZT 15 Ω @ IZT = 5.0 mA, f = 1kHz 2
Maximum Zener Impedance (knee) ZZK 100 Ω @ IZK = 1.0 mA, f = 1kHz 2
Maximum Reverse Current IR 0.5 µA @ VR = 6.0 V 2
Temperature Coefficient 3.8 7 mV/C @ IZT = 5.0 mA 2
Forward Voltage VF 0.9 V IF = 10mA, TA = +25°C 2
Power Dissipation (Note 6) PD 300 mW Note 6: FR-4 PC board with recommended pad layout 2
Power Dissipation (Note 7) PD 350 mW Note 7: terminals kept at ambient temperature 2
Operating and Storage Temperature Range TJ, TSTG -65 150 °C 2
Thermal Resistance, Junction to Ambient Air (Note 6) RθJA 417 °C/W Note 6: FR-4 PC board with recommended pad layout 2
Thermal Resistance, Junction to Ambient Air (Note 7) RθJA 357 °C/W Note 7: terminals kept at ambient temperature 2
Test Current IZT 5 mA 2
Knee Test Current IZK 1 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: BZX84C9V1-7-F
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: bzx84c9v1-7-f-etched.step / bzx84c9v1-7-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzx84c9v1-7-f.step / bzx84c9v1-7-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 70c346b571aa2f8b, retrieved 2026-10-22, tier: manufacturer)
  • 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