component
P4SMA30A-E3
Public Made by Adomby adom
Vishay Intertech TVS, SMA(DO-214AC). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
P4SMA30A-E3
Vishay Intertech · TVS · SMA(DO-214AC)
P4SMA30A-E3 from Vishay Intertech, in a SMA(DO-214AC). 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 terminal, marked by the band on the uni-directional P4SMA30A (VWM 25.6 V, VBR 28.5 V to 31.5 V at 1.0 mA, VC 41.4 V at 9.7 A), connected to the positive side of the line being protected. |
| 2 | A | passive | Anode terminal at the end opposite the cathode band, connected to the return/ground side of the protected line. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Vishay Intertech |
| Package | SMA(DO-214AC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown voltage | VBR | 28.5 | 31.5 | V | at IT = 1.0 mA | 2 | |
| Test current | IT | 1 | mA | 2 | |||
| Stand-off voltage | VWM | 25.6 | V | 2 | |||
| Maximum reverse leakage | ID | 1 | μA | at VWM, TA = 25 °C | 2 | ||
| Maximum peak pulse current | IPPM | 9.7 | A | 10/1000 μs waveform | 2 | ||
| Maximum clamping voltage | VC | 41.4 | V | at IPPM | 2 | ||
| Maximum temperature coefficient of VBR | 0.097 | %/°C | 2 | ||||
| Peak power dissipation | PPPM | 400 | W | 10/1000 μs waveform, TA = 25 °C | 1 | ||
| Power dissipation on infinite heatsink | PD | 3.3 | W | TA = 50 °C | 1 | ||
| Peak forward surge current | IFSM | 40 | A | 8.3 ms single half sine-wave, uni-directional only | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -65 | 150 | °C | 1 | ||
| Thermal resistance, junction to ambient | RθJA | 120 | °C/W | Mounted on minimum recommended pad layout | 3 | ||
| Thermal resistance, junction to lead | RθJL | 30 | °C/W | 3 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | Terminals: matte tin plated leads, solderable per J-STD-002 and JESD 22-B102 | 1 |
CAD (KiCad official)
- Symbol:
P4SMA30A-E3 - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
p4sma30a-e3-etched.step/p4sma30a-e3-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);p4sma30a-e3.step/p4sma30a-e3.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Vishay Intertech datasheet (6 pp, sha256
63e69aece4f8bff0, retrieved 2026-10-27, 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).
# P4SMA30A-E3
**Vishay Intertech** · TVS · SMA(DO-214AC)
P4SMA30A-E3 from Vishay Intertech, in a SMA(DO-214AC). 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 terminal, marked by the band on the uni-directional P4SMA30A (VWM 25.6 V, VBR 28.5 V to 31.5 V at 1.0 mA, VC 41.4 V at 9.7 A), connected to the positive side of the line being protected. |
| 2 | A | passive | Anode terminal at the end opposite the cathode band, connected to the return/ground side of the protected line. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Vishay Intertech |
| Package | SMA(DO-214AC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown voltage | VBR | 28.5 | | 31.5 | V | at IT = 1.0 mA | 2 |
| Test current | IT | | 1 | | mA | | 2 |
| Stand-off voltage | VWM | | 25.6 | | V | | 2 |
| Maximum reverse leakage | ID | | | 1 | μA | at VWM, TA = 25 °C | 2 |
| Maximum peak pulse current | IPPM | | | 9.7 | A | 10/1000 μs waveform | 2 |
| Maximum clamping voltage | VC | | | 41.4 | V | at IPPM | 2 |
| Maximum temperature coefficient of VBR | | | | 0.097 | %/°C | | 2 |
| Peak power dissipation | PPPM | | | 400 | W | 10/1000 μs waveform, TA = 25 °C | 1 |
| Power dissipation on infinite heatsink | PD | | | 3.3 | W | TA = 50 °C | 1 |
| Peak forward surge current | IFSM | | | 40 | A | 8.3 ms single half sine-wave, uni-directional only | 1 |
| Operating junction and storage temperature range | TJ, TSTG | -65 | | 150 | °C | | 1 |
| Thermal resistance, junction to ambient | RθJA | | 120 | | °C/W | Mounted on minimum recommended pad layout | 3 |
| Thermal resistance, junction to lead | RθJL | | 30 | | °C/W | | 3 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | | tin | Terminals: matte tin plated leads, solderable per J-STD-002 and JESD 22-B102 | 1 |
## CAD (KiCad official)
- Symbol: `P4SMA30A-E3`
- Footprint: `Diode_SMD:D_SMA`
- 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files: `p4sma30a-e3-etched.step` / `p4sma30a-e3-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `p4sma30a-e3.step` / `p4sma30a-e3.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Vishay Intertech datasheet](docs/p4sma30a-e3-datasheet.pdf) (6 pp, sha256 `63e69aece4f8bff0`, retrieved 2026-10-27, 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](docs/p4sma30a-e3-datasheet.pdf)