# TPSMB36CA

**Littelfuse** · ESD And Surge Protection (TVS/ESD) · DO-214AA

TPSMB36CA from Littelfuse, in a DO-214AA. 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 | A1 | passive | Bi-directional TVS terminal with no polarity (TPSMB36CA: VR 30.8V, VBR 34.2V typ at 1mA, VC 49.9V at 12.2A Ipp), connected to the protected line or to the other side of the protected circuit. |
| 2 | A2 | passive | Bi-directional TVS terminal with no polarity (TPSMB36CA: VR 30.8V, VBR 34.2V typ at 1mA, VC 49.9V at 12.2A Ipp), connected to the protected line or to the other side of the protected circuit. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Littelfuse |
| Package | DO-214AA |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `TPSMB36CA`
- Footprint: `Diode_SMD:D_SMB`
- 3D model: DO-214AA (KiCad packages3D, STEP)
- 3D model files: `tpsmb36ca-etched.step` / `tpsmb36ca-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tpsmb36ca.step` / `tpsmb36ca.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Littelfuse datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588911469249368064) (6 pp, sha256 `11f500633484b187`, retrieved 2026-10-13, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/tpsmb36ca-datasheet.pdf)