component

BZX384-B3V3

Public Made by Adom

by adom

Nexperia Zener Diodes, SOD-323(SC-76). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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bzx384-b3v3-etched.glb Publish 0.1.0 · Ray 2d ago
bzx384-b3v3-etched.step bzx384-b3v3: factory component page (tier=mfr) · Ray 2d ago
bzx384-b3v3-hero.glb bzx384-b3v3: hero GLB from the etched model (keeps the MPN mark) · Ray 2d ago
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bzx384-b3v3.glb Publish 0.1.0 · Ray 2d ago
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bzx384-b3v3.step Publish 0.1.0 · Ray 2d ago
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BZX384-B3V3

Nexperia · Zener Diodes · SOD-323(SC-76)

BZX384-B3V3 from Nexperia, in a SOD-323(SC-76). 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 K passive Cathode of the voltage regulator diode, identified by the marking bar on the package.
2 A passive Anode of the voltage regulator diode.

Key specifications

Parameter Value
Manufacturer Nexperia
Package SOD-323(SC-76)
Category Diodes
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Working voltage (B3V3) VZ 3.23 3.37 V IZ = 5 mA, Tj = 25 °C 5
Maximum differential resistance rdif 600 Ω IZ = 1 mA 5
Maximum differential resistance rdif 95 Ω IZ = 5 mA 5
Reverse current IR 5 μA VR = 1 V 5
Temperature coefficient SZ -3.5 0 mV/K IZ = 5 mA 5
Diode capacitance Cd 450 pF f = 1 MHz; VR = 0 V 5
Non-repetitive peak reverse current IZSM 6 A tp = 100 μs; square wave; Tj = 25 °C 5
Forward voltage VF 0.9 V IF = 10 mA; pulse test tp ≤ 100 μs; δ ≤ 0.02 4
Forward voltage VF 1.1 V IF = 100 mA; pulse test tp ≤ 100 μs; δ ≤ 0.02 4
Forward current IF 250 mA 4
Non-repetitive peak reverse power dissipation PZSM 40 W tp = 100 μs; square wave; Tj = 25 °C prior to surge 4
Total power dissipation Ptot 300 mW Tamb ≤ 25 °C 4
Junction temperature Tj 150 °C 4
Ambient temperature Tamb -65 150 °C 4
Storage temperature Tstg -65 150 °C 4
Thermal resistance junction to ambient Rth(j-a) 415 K/W in free air 4
Thermal resistance junction to solder point Rth(j-sp) 110 K/W 4

CAD (KiCad official)

  • Symbol: BZX384-B3V3
  • Footprint: Diode_SMD:D_SOD-323
  • 3D model: SOD-323(SC-76) (KiCad packages3D, STEP)
  • 3D model files: bzx384-b3v3-etched.step / bzx384-b3v3-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); bzx384-b3v3.step / bzx384-b3v3.glb are the bare package body.

Provenance

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

  • Datasheet: Nexperia datasheet (14 pp, sha256 a381ee1ec1ad5a2b, retrieved 2026-10-22, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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