component
BZX384-C20
Public Made by Adomby adom
Nexperia Zener Diodes, SOD-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 1d ago |
| viewers | 1d ago |
| bzx384-c20-etched.glb | 1d ago |
| bzx384-c20-etched.step | 1d ago |
| bzx384-c20-hero.glb | 1d ago |
| bzx384-c20-hero.overlay.json | 1d ago |
| bzx384-c20.glb | 1d ago |
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| bzx384-c20.lbr | 1d ago |
| bzx384-c20.step | 1d ago |
| package.json | 1d ago |
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| README.md | 1d ago |
BZX384-C20
Nexperia · Zener Diodes · SOD-323
BZX384-C20 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; the datasheet gives no separate pin-level limits for this lead. |
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 (nominal) | VZ | 20 | V | Nominal type voltage BZX384-C20 | 5 | ||
| Working voltage tolerance (approximate) | VZ | -5 | 5 | % | BZX384-C series, approximately ±5 % | 1 | |
| Working voltage (C selection) | VZ | 18.8 | 21.2 | V | IZ = 5 mA; Tj = 25 °C; BZX384-C20 | 6 | |
| Maximum differential resistance | rdif | 225 | Ω | IZ = 1 mA | 6 | ||
| Maximum differential resistance | rdif | 55 | Ω | IZ = 5 mA | 6 | ||
| Reverse current | IR | 0.05 | μA | VR = 14 V | 6 | ||
| Temperature coefficient | SZ | 14.4 | 18 | mV/K | IZ = 5 mA | 6 | |
| Diode capacitance | Cd | 60 | pF | f = 1 MHz; VR = 0 V | 6 | ||
| Non-repetitive peak reverse current | IZSM | 1.5 | A | tp = 100 μs; square wave; Tj = 25 °C | 6 | ||
| 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; device on FR4 PCB, single-sided copper, standard footprint | 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, single-sided copper, standard footprint | 4 | ||
| Thermal resistance junction to solder point | Rth(j-sp) | 110 | K/W | soldering point of cathode tab | 4 |
CAD (KiCad official)
- Symbol:
BZX384-C20 - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
bzx384-c20-etched.step/bzx384-c20-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bzx384-c20.step/bzx384-c20.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (14 pp, sha256
a381ee1ec1ad5a2b, retrieved 2026-10-23, 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).