component
SMAJ33CAHM2G
Public Made by Adomby adom
Taiwan Semiconductor ESD And Surge Protection (TVS/ESD), 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.
main
SMAJ33CAHM2G
Taiwan Semiconductor · ESD And Surge Protection (TVS/ESD) · SMA(DO-214AC)
SMAJ33CAHM2G from Taiwan Semiconductor, 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 | Taiwan Semiconductor |
| 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 | 36.7 | 40.6 | V | IT = 1 mA | 2 | |
| Maximum reverse leakage current | IR | 1 | µA | @ VWM = 33 V | 2 | ||
| Maximum peak impulse current | IPPM | 7.5 | A | 10/1000 µs waveform | 2 | ||
| Maximum clamping voltage | VC | 53.3 | V | @ IPPM = 7.5 A | 2 | ||
| Peak power dissipation | PPK | 400 | W | TA=25°C, Tp=1ms (Note 1) | 1 | ||
| Steady state power dissipation | PD | 1 | W | 1 | |||
| Peak forward surge current | IFSM | 40 | A | 8.3 ms single half sine-wave superimposed on rated load | 1 | ||
| Operating junction temperature range | TJ | -55 | 150 | °C | 1 | ||
| Storage temperature range | TSTG | -55 | 150 | °C | 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 | tin | ● Matte tin plated leads, solderable per J-STD-002 ● Meet JESD 201 class 2 whisker test | 1 |
CAD (KiCad official)
- Symbol:
SMAJ33CAHM2G - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
smaj33cahm2g-etched.step/smaj33cahm2g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj33cahm2g.step/smaj33cahm2g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Taiwan Semiconductor datasheet (8 pp, sha256
0790b890e8eabb7c, 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).
# SMAJ33CAHM2G
**Taiwan Semiconductor** · ESD And Surge Protection (TVS/ESD) · SMA(DO-214AC)
SMAJ33CAHM2G from Taiwan Semiconductor, 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 | Taiwan Semiconductor |
| 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 | 36.7 | | 40.6 | V | IT = 1 mA | 2 |
| Maximum reverse leakage current | IR | | | 1 | µA | @ VWM = 33 V | 2 |
| Maximum peak impulse current | IPPM | | | 7.5 | A | 10/1000 µs waveform | 2 |
| Maximum clamping voltage | VC | | | 53.3 | V | @ IPPM = 7.5 A | 2 |
| Peak power dissipation | PPK | | | 400 | W | TA=25°C, Tp=1ms (Note 1) | 1 |
| Steady state power dissipation | PD | | | 1 | W | | 1 |
| Peak forward surge current | IFSM | | | 40 | A | 8.3 ms single half sine-wave superimposed on rated load | 1 |
| Operating junction temperature range | TJ | -55 | | 150 | °C | | 1 |
| Storage temperature range | TSTG | -55 | | 150 | °C | | 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 | | tin | ● Matte tin plated leads, solderable per J-STD-002 ● Meet JESD 201 class 2 whisker test | 1 |
## CAD (KiCad official)
- Symbol: `SMAJ33CAHM2G`
- Footprint: `Diode_SMD:D_SMA`
- 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files: `smaj33cahm2g-etched.step` / `smaj33cahm2g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smaj33cahm2g.step` / `smaj33cahm2g.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Taiwan Semiconductor datasheet](docs/smaj33cahm2g-datasheet.pdf) (8 pp, sha256 `0790b890e8eabb7c`, 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/smaj33cahm2g-datasheet.pdf)