component
PLVA668A
Public Made by Adomby adom
Nexperia Zener Diodes, SOT-23. 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
markdownPLVA668A
Nexperia · Zener Diodes · SOT-23
PLVA668A from Nexperia, 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 avalanche regulator diode. |
| 2 | n.c. | unconnected | Not connected. |
| 3 | K | passive | Cathode of the avalanche regulator diode; PLVA668A has VZ of 6.60 to 7.00 V (6.80 V typ) at IZ = 250 µA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| 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 |
|---|---|---|---|---|---|---|---|
| Working voltage | VZ | 6.6 | 6.8 | 7 | V | IZ = 250 µA | 4 |
| Forward voltage | VF | 0.9 | V | IF = 10 mA | 4 | ||
| Dynamic resistance | RZ | 100 | Ω | 1 kHz superimposed; IZAC is 10 % of IZDC; IZ = 250 µA | 4 | ||
| Reverse current | IR | 10 | nA | VR = 80 % VZ nominal | 5 | ||
| Line regulation | ΔVZ | 0.1 | V | ILO = 10 µA; IHI = 1 mA | 5 | ||
| Noise voltage density | Vn | 1 | f = 1 kHz; B = 1 kHz; IZ = 250 µA | 5 | |||
| Continuous forward current | IF | 250 | mA | 3 | |||
| Repetitive peak working current | IZRM | 250 | mA | tp = 100 µs; δ = 10 % | 3 | ||
| Non-repetitive peak reverse power dissipation | PZSM | 30 | W | tp = 100 µs; Tj = 150 °C | 3 | ||
| Total power dissipation | Ptot | 250 | mW | Tamb = 25 °C | 3 | ||
| Junction temperature | Tj | 150 | °C | 3 | |||
| Storage temperature | Tstg | -65 | 150 | °C | 3 | ||
| Thermal resistance junction to ambient | Rth(j-a) | 500 | K/W | in free air | 4 | ||
| Thermal resistance junction to solder point | Rth(j-sp) | 330 | K/W | 4 | |||
| Working voltage | VZ | 6.8 | V | IZ = 10 µA | 4 | ||
| Temperature coefficient | SZ | 3.4 | mv/K | IZ = 250 µA | 4 | ||
| Reverse current | IR | 0.8 | nA | VR = 50 % VZ nominal | 5 | ||
| Reverse current | IR | 0.006 | µA | VR = 90 % VZ nominal | 5 |
CAD (KiCad official)
- Symbol:
PLVA668A - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
plva668a-etched.step/plva668a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);plva668a.step/plva668a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (10 pp, sha256
fae75a6c54d92473, retrieved 2026-10-24, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-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).