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Ray Publish 0.1.0 7181331 9d ago

BZX84C9V1LT3G

onsemi · Zener Diodes · SOT-23

BZX84C9V1LT3G from onsemi, 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 ANODE passive Anode terminal of the Zener diode; the datasheet pinout for this package is 1-Anode, 2-No Connection, 3-Cathode.
2 NC unconnected No internal connection; the datasheet specifies this pin as no connection.
3 CATHODE passive Cathode terminal of the Zener diode, identified on the package by the polarity band; the datasheet pinout for this package is 1-Anode, 2-No Connection, 3-Cathode.

Key specifications

Parameter Value
Manufacturer onsemi
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
Reverse Zener Voltage @ IZT1 VZ1 8.5 9.1 9.6 V @ IZT1 = 5 mA 3
Reverse Zener Voltage @ IZT2 VZ2 8.4 9.6 V @ IZT2 = 1 mA 3
Reverse Zener Voltage @ IZT3 VZ3 8.5 9.7 V @ IZT3 = 20 mA 3
Maximum Zener Impedance @ IZT1 ZZT1 15 Ω @ IZT1 = 5 mA 3
Maximum Zener Impedance @ IZT2 ZZT2 100 Ω @ IZT2 = 1 mA 3
Maximum Zener Impedance @ IZT3 ZZT3 8 Ω @ IZT3 = 20 mA 3
Reverse Leakage Current @ VR IR 0.5 µA @ VR = 6 V 3
Maximum Temperature Coefficient of VZ VZ 3.8 7 mV/k @ IZT1 = 5 mA 3
Max. Capacitance C 130 pF @ VR = 0 and f = 1 MHz 3
Forward Voltage VF 0.9 V @ IF = 10 mA 3
Total Power Dissipation on FR-5 Board @ TA = 25°C PD 250 mW FR-5 board (Note 1), TA = 25°C 2
Derating above 25°C, FR-5 Board PD 2 mW/°C derated above 25°C, FR-5 board 2
Thermal Resistance, Junction-to-Ambient, FR-5 Board RJA 500 °C/W FR-5 board (Note 1) 2
Total Power Dissipation on Alumina Substrate @ TA = 25°C PD 300 mW alumina substrate (Note 2), TA = 25°C 2
Derating above 25°C, Alumina Substrate PD 2.4 mW/°C derated above 25°C, alumina substrate 2
Thermal Resistance, Junction-to-Ambient, Alumina Substrate RJA 417 °C/W alumina substrate (Note 2) 2
Junction and Storage Temperature Range TJ, Tstg -65 150 °C 2

CAD (KiCad official)

  • Symbol: BZX84C9V1LT3G
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: bzx84c9v1lt3g-etched.step / bzx84c9v1lt3g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzx84c9v1lt3g.step / bzx84c9v1lt3g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (8 pp, sha256 5202fb7dde136c8b, retrieved 2026-10-19, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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