component

BZX84C3V3-E3-08

Public Made by Adom

by adom

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

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BZX84C3V3-E3-08

Vishay Intertech · Zener Diodes · SOT-23

BZX84C3V3-E3-08 from Vishay Intertech, 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 single Zener diode, per the internal circuit diagram on the first page (VZ 3.3 V nominal for BZX84C3V3, 3.14 to 3.47 V at IZT1 = 5 mA).
2 NC unconnected Pin 2 has no internal connection to the diode in the circuit diagram of this single-diode SOT-23 part.
3 K passive Cathode of the single Zener diode, per the internal circuit diagram; power dissipation is limited to 300 mW on FR-4 board (Ptot) and junction temperature to 150 °C.

Key specifications

Parameter Value
Manufacturer Vishay Intertech
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 (at IZT1) VZ 3.14 3.3 3.47 V at IZT1 = 5 mA, Tamb = 25 °C 2
Zener voltage tolerance (C suffix) -5 5 % C suffix in ordering code (BZX84C series); B suffix = ±2 % 1
Temperature coefficient of VZ (at IZT1) αVZ -8 -3 10-4/°C at IZT1 = 5 mA 2
Reverse leakage current IR 5 μA at VR = 1 V 2
Dynamic resistance (at IZT1) ZZ 95 Ω at IZT1 = 5 mA, f = 1 kHz 2
Dynamic resistance (at IZT2) ZZK 600 Ω at IZT2 = 1 mA, f = 1 kHz 2
Power dissipation Ptot 500 mW RthJL = 250 K/W 2
Power dissipation Ptot 300 mW On FR-4 board with recommended soldering footprint 2
Thermal resistance junction to lead RthJL 250 K/W 2
Thermal resistance junction to ambient RthJA 420 K/W According to JEDEC 51-3 on FR-4 board with recommended soldering footprint 2
Junction temperature Tj 150 °C 2
Storage temperature range Tstg -65 150 °C 2
Operating temperature range Top -55 150 °C 2

CAD (KiCad official)

  • Symbol: BZX84C3V3-E3-08
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: bzx84c3v3-e3-08-etched.step / bzx84c3v3-e3-08-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzx84c3v3-e3-08.step / bzx84c3v3-e3-08.glb are the bare package body.

Provenance

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

  • Datasheet: Vishay Intertech datasheet (6 pp, sha256 d7d519b8048ee97c, 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