component
SMAJ300CA-TP
Public Made by Adomby adom
MCC(Micro Commercial Components) TVS, SMA(DO-214AC). 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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SMAJ300CA-TP
MCC(Micro Commercial Components) · TVS · SMA(DO-214AC)
SMAJ300CA-TP from MCC(Micro Commercial Components), 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MCC(Micro Commercial Components) |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak Pulse Power Dissipation | PPPM | 400 | W | Note 2, 6 | 1 | ||
| Breakdown Voltage (bidirectional CA, 300 V) | V(BR) | 335 | V | @ IT = 1 mA | 3 | ||
| Breakdown Voltage (bidirectional CA, 300 V) | V(BR) | 371 | V | @ IT = 1 mA | 3 | ||
| Maximum Clamping Voltage | 486 | V | @ IPP | 3 | |||
| Maximum Reverse Leakage Current | ID | 1 | PA | @ VWM | 3 | ||
| Steady State Power Dissipation | PM(AV) | 1.5 | W | Note 2, 5 | 1 | ||
| Operating Temperature | -55 | 175 | °C | 1 | |||
| Storage Temperature | -55 | 175 | °C | 1 | |||
| Typical Thermal Resistance, Junction to Ambient | 100 | /W | Junction to ambient | 1 |
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 | copper | 3. Mounted on 5.0mm2 copper pads to each terminal. | 1 |
CAD (KiCad official)
- Symbol:
SMAJ300CA-TP - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
smaj300ca-tp-etched.step/smaj300ca-tp-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj300ca-tp.step/smaj300ca-tp.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MCC(Micro Commercial Components) datasheet (4 pp, sha256
a1c9bc8383c7a448, retrieved 2026-10-21, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(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).
# SMAJ300CA-TP
**MCC(Micro Commercial Components)** · TVS · SMA(DO-214AC)
SMAJ300CA-TP from MCC(Micro Commercial Components), 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MCC(Micro Commercial Components) |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak Pulse Power Dissipation | PPPM | 400 | | | W | Note 2, 6 | 1 |
| Breakdown Voltage (bidirectional CA, 300 V) | V(BR) | 335 | | | V | @ IT = 1 mA | 3 |
| Breakdown Voltage (bidirectional CA, 300 V) | V(BR) | | | 371 | V | @ IT = 1 mA | 3 |
| Maximum Clamping Voltage | | | | 486 | V | @ IPP | 3 |
| Maximum Reverse Leakage Current | ID | | | 1 | PA | @ VWM | 3 |
| Steady State Power Dissipation | PM(AV) | | | 1.5 | W | Note 2, 5 | 1 |
| Operating Temperature | | -55 | | 175 | °C | | 1 |
| Storage Temperature | | -55 | | 175 | °C | | 1 |
| Typical Thermal Resistance, Junction to Ambient | | | 100 | | /W | Junction to ambient | 1 |
## 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 | copper | | 3. Mounted on 5.0mm2 copper pads to each terminal. | 1 |
## CAD (KiCad official)
- Symbol: `SMAJ300CA-TP`
- Footprint: `Diode_SMD:D_SMA`
- 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files: `smaj300ca-tp-etched.step` / `smaj300ca-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smaj300ca-tp.step` / `smaj300ca-tp.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [MCC(Micro Commercial Components) datasheet](docs/smaj300ca-tp-datasheet.pdf) (4 pp, sha256 `a1c9bc8383c7a448`, retrieved 2026-10-21, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band convention` (convention), consensus `off` (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/smaj300ca-tp-datasheet.pdf)