component
ESDZV18-1BF4
Public Made by Adomby adom
STMicroelectronics ESD And Surge Protection (TVS/ESD), 0201. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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ESDZV18-1BF4
STMicroelectronics · ESD And Surge Protection (TVS/ESD) · 0201
ESDZV18-1BF4 from STMicroelectronics, in a 0201. 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 | IO1 | passive | Bidirectional TVS terminal marked by the dot (pin 1) that connects to the protected line; the device triggers above 18 V min VTrig and has 3 pF typical line capacitance. |
| 2 | IO2 | passive | Second bidirectional TVS terminal, connected to ground or the opposite side of the protected line, with stand-off IRM of 100 nA max at VRM = 16 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | 0201 |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| Trigger voltage | VTrig | 18 | 24 | V | Higher voltage than VTrig guarantees the protection turn-on | 2 | |
| Holding voltage | VH | 16 | 17.3 | V | Lower voltage than VH guarantees the protection turn-off | 2 | |
| Leakage current | IRM | 100 | nA | VRM = 16 V(1) | 2 | ||
| Clamping voltage (ESD contact discharge) | VCL | 21.5 | V | 8 kV contact discharge after 30 ns, IEC 61000-4-2 | 2 | ||
| Clamping voltage (8/20 µs waveform) | VCL | 18 | V | 8/20 µs waveform, IPP = 1 A | 2 | ||
| Input capacitance per line | CLINE | 3 | 4 | pF | F = 1 MHz, VLINE = 0 V, VOSC = 30 mV | 2 | |
| Dynamic resistance | RD | 0.2 | Ω | Pulse duration 100 ns | 2 | ||
| Peak pulse voltage (IEC 61000-4-2 contact discharge) | VPP | 30 | kV | IEC 61000-4-2 contact discharge | 2 | ||
| Peak pulse voltage (IEC 61000-4-2 air discharge) | VPP | 30 | kV | IEC 61000-4-2 air discharge | 2 | ||
| Peak pulse power dissipation | PPP | 140 | W | 8/20 µs | 2 | ||
| Peak pulse current | IPP | 6 | A | 8/20 µs | 2 | ||
| Operating junction temperature range | Tj | -55 | 150 | °C | 2 | ||
| Storage temperature range | Tstg | -65 | 150 | °C | 2 | ||
| Maximum lead temperature for soldering | TL | 260 | °C | during 10 s | 2 |
CAD (KiCad official)
- Symbol:
ESDZV18-1BF4 - Footprint:
Diode_SMD:D_0201_0603Metric - 3D model: 0201, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.3 mm nominal 01005 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files:
esdzv18-1bf4-etched.step/esdzv18-1bf4-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);esdzv18-1bf4.step/esdzv18-1bf4.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (10 pp, sha256
e4b779e6a07f79fc, retrieved 2026-10-20, tier: manufacturer) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).
# ESDZV18-1BF4
**STMicroelectronics** · ESD And Surge Protection (TVS/ESD) · 0201
ESDZV18-1BF4 from STMicroelectronics, in a 0201. 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 | IO1 | passive | Bidirectional TVS terminal marked by the dot (pin 1) that connects to the protected line; the device triggers above 18 V min VTrig and has 3 pF typical line capacitance. |
| 2 | IO2 | passive | Second bidirectional TVS terminal, connected to ground or the opposite side of the protected line, with stand-off IRM of 100 nA max at VRM = 16 V. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | 0201 |
| Category | Circuit Protection |
| 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 |
|---|---|---|---|---|---|---|---|
| Trigger voltage | VTrig | 18 | | 24 | V | Higher voltage than VTrig guarantees the protection turn-on | 2 |
| Holding voltage | VH | 16 | | 17.3 | V | Lower voltage than VH guarantees the protection turn-off | 2 |
| Leakage current | IRM | | | 100 | nA | VRM = 16 V(1) | 2 |
| Clamping voltage (ESD contact discharge) | VCL | | | 21.5 | V | 8 kV contact discharge after 30 ns, IEC 61000-4-2 | 2 |
| Clamping voltage (8/20 µs waveform) | VCL | | | 18 | V | 8/20 µs waveform, IPP = 1 A | 2 |
| Input capacitance per line | CLINE | | 3 | 4 | pF | F = 1 MHz, VLINE = 0 V, VOSC = 30 mV | 2 |
| Dynamic resistance | RD | | | 0.2 | Ω | Pulse duration 100 ns | 2 |
| Peak pulse voltage (IEC 61000-4-2 contact discharge) | VPP | | | 30 | kV | IEC 61000-4-2 contact discharge | 2 |
| Peak pulse voltage (IEC 61000-4-2 air discharge) | VPP | | | 30 | kV | IEC 61000-4-2 air discharge | 2 |
| Peak pulse power dissipation | PPP | | | 140 | W | 8/20 µs | 2 |
| Peak pulse current | IPP | | | 6 | A | 8/20 µs | 2 |
| Operating junction temperature range | Tj | -55 | | 150 | °C | | 2 |
| Storage temperature range | Tstg | -65 | | 150 | °C | | 2 |
| Maximum lead temperature for soldering | TL | | | 260 | °C | during 10 s | 2 |
## CAD (KiCad official)
- Symbol: `ESDZV18-1BF4`
- Footprint: `Diode_SMD:D_0201_0603Metric`
- 3D model: 0201, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.3 mm nominal _01005_ height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
- 3D model files: `esdzv18-1bf4-etched.step` / `esdzv18-1bf4-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esdzv18-1bf4.step` / `esdzv18-1bf4.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/esdzv18-1bf4.pdf) (10 pp, sha256 `e4b779e6a07f79fc`, retrieved 2026-10-20, tier: manufacturer)
- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).
[Datasheet PDF](docs/esdzv18-1bf4-datasheet.pdf)