component
BZX384-B24
Public Made by Adomby adom
Nexperia Zener Diodes, SOD-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownBZX384-B24
Nexperia · Zener Diodes · SOD-323
BZX384-B24 from Nexperia, in a SOD-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 | K | passive | Cathode of the voltage regulator diode; the marking bar on the package indicates the cathode. |
| 2 | A | passive | Anode of the voltage regulator diode; forward current is rated at 250 mA maximum (IF). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOD-323 |
| 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 (B grade, BZX384-B24) | VZ | 23.5 | 24.5 | V | IZ = 5 mA | 6 | |
| Working voltage tolerance (B suffix) | -2 | 2 | % | 1 | |||
| Differential resistance | rdif | 250 | Ω | IZ = 1 mA | 6 | ||
| Differential resistance | rdif | 70 | Ω | IZ = 5 mA | 6 | ||
| Reverse current | IR | 0.05 | μA | VR = 16.8 V | 6 | ||
| Temperature coefficient | SZ | 18.4 | 22 | mV/K | IZ = 5 mA | 6 | |
| Diode capacitance | Cd | 55 | pF | f = 1 MHz; VR = 0 V | 6 | ||
| Non-repetitive peak reverse current | IZSM | 1.25 | A | tp = 100 μs; square wave | 6 | ||
| Total power dissipation | Ptot | 300 | mW | Tamb ≤ 25 °C; device mounted on FR4 PCB | 4 | ||
| Non-repetitive peak reverse power dissipation | PZSM | 40 | W | tp = 100 μs; square wave | 4 | ||
| Forward current | IF | 250 | mA | 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; FR4 PCB, standard footprint | 4 | ||
| Thermal resistance, junction to solder point | Rth(j-sp) | 110 | K/W | soldering point of cathode tab | 4 | ||
| Forward voltage | VF | 0.9 | V | IF = 10 mA; pulse test | 4 | ||
| Forward voltage | VF | 1.1 | V | IF = 100 mA; pulse test | 4 | ||
| Nominal working voltage | VZ | 24 | V | 6 |
CAD (KiCad official)
- Symbol:
BZX384-B24 - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
bzx384-b24-etched.step/bzx384-b24-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bzx384-b24.step/bzx384-b24.glbare 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: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).